{"id":223,"date":"2020-02-29T15:55:00","date_gmt":"2020-02-29T14:55:00","guid":{"rendered":"https:\/\/geopard.tech\/?p=223"},"modified":"2024-11-30T22:33:24","modified_gmt":"2024-11-30T21:33:24","slug":"pollumajanduspoldude-topograafia-ja-reljeefianaluus","status":"publish","type":"post","link":"https:\/\/geopard.tech\/est\/blog\/topography-and-relief-analytics-for-agricultural-fields\/","title":{"rendered":"P\u00f5llumajandusp\u00f5ldude topograafia ja reljeefianal\u00fc\u00fcs"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Topograafia on \u00fcks peamisi tegureid, mis m\u00f5jutavad saagikust ja mulla toitainesisaldust. Seega v\u00f5ib kalle olla peamine saagikust piirav tegur, eriti kuivendamata v\u00f5i erodeerunud k\u00f5rgemate kohtade puhul, vooluhulga akumuleerumine v\u00f5ib saagikust oluliselt m\u00f5jutada, olenevalt sellest, kas aasta on kuiv v\u00f5i m\u00e4rg.<\/p>\r\n<p>M\u00f5nes piirkonnas v\u00f5ivad topograafilised maastikuomadused selgitada isegi keskmise kahekohalise protsendi saagikuse varieeruvusest.<\/p>\r\n\t\t<div data-elementor-type=\"section\" data-elementor-id=\"11005\" class=\"elementor elementor-11005\" data-elementor-post-type=\"elementor_library\">\n\t\t\t<div class=\"elementor-element elementor-element-6172d83 e-flex e-con-boxed e-con e-parent\" data-id=\"6172d83\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a6f76df elementor-arrows-position-inside elementor-pagination-position-outside elementor-widget elementor-widget-image-carousel\" data-id=\"a6f76df\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;slides_to_show&quot;:&quot;1&quot;,&quot;navigation&quot;:&quot;both&quot;,&quot;autoplay&quot;:&quot;yes&quot;,&quot;pause_on_hover&quot;:&quot;yes&quot;,&quot;pause_on_interaction&quot;:&quot;yes&quot;,&quot;autoplay_speed&quot;:5000,&quot;infinite&quot;:&quot;yes&quot;,&quot;effect&quot;:&quot;slide&quot;,&quot;speed&quot;:500}\" data-widget_type=\"image-carousel.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-image-carousel-wrapper swiper\" role=\"region\" aria-roledescription=\"carousel\" aria-label=\"Vaizd\u0173 karusel\u0117\" dir=\"ltr\" data-no-translation-aria-label=\"\">\n\t\t\t<div class=\"elementor-image-carousel swiper-wrapper swiper-image-stretch\" aria-live=\"off\">\n\t\t\t\t\t\t\t\t<div class=\"swiper-slide\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"1 i\u0161 3\" data-no-translation-aria-label=\"\"><figure class=\"swiper-slide-inner\"><img decoding=\"async\" class=\"swiper-slide-image\" src=\"https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2021\/11\/AnyConv.com__image-4-2-1.webp?fit=1523%2C1600&amp;ssl=1\" alt=\"k\u00f5rguse ja m\u00e4en\u00f5lva varju omadused\" \/><\/figure><\/div><div class=\"swiper-slide\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"2 i\u0161 3\" data-no-translation-aria-label=\"\"><figure class=\"swiper-slide-inner\"><img decoding=\"async\" class=\"swiper-slide-image\" src=\"https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2021\/11\/AnyConv.com__image-10-1.webp?fit=1527%2C1600&amp;ssl=1\" alt=\"Aspekti ja kalde omadused\" \/><\/figure><\/div><div class=\"swiper-slide\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"3 i\u0161 3\" data-no-translation-aria-label=\"\"><figure class=\"swiper-slide-inner\"><img decoding=\"async\" class=\"swiper-slide-image\" src=\"https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2021\/11\/AnyConv.com__image-1-5-1.webp?fit=1517%2C1600&amp;ssl=1\" alt=\"p\u00f5llu erinev tootlikkuse tase\" \/><\/figure><\/div>\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-swiper-button elementor-swiper-button-prev\" role=\"button\" tabindex=\"0\">\n\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-arrow-circle-left\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M256 504C119 504 8 393 8 256S119 8 256 8s248 111 248 248-111 248-248 248zm28.9-143.6L209.4 288H392c13.3 0 24-10.7 24-24v-16c0-13.3-10.7-24-24-24H209.4l75.5-72.4c9.7-9.3 9.9-24.8.4-34.3l-11-10.9c-9.4-9.4-24.6-9.4-33.9 0L107.7 239c-9.4 9.4-9.4 24.6 0 33.9l132.7 132.7c9.4 9.4 24.6 9.4 33.9 0l11-10.9c9.5-9.5 9.3-25-.4-34.3z\"><\/path><\/svg>\t\t\t\t\t<\/div>\n\t\t\t\t\t<div class=\"elementor-swiper-button elementor-swiper-button-next\" role=\"button\" tabindex=\"0\">\n\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-arrow-circle-right\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M256 8c137 0 248 111 248 248S393 504 256 504 8 393 8 256 119 8 256 8zm-28.9 143.6l75.5 72.4H120c-13.3 0-24 10.7-24 24v16c0 13.3 10.7 24 24 24h182.6l-75.5 72.4c-9.7 9.3-9.9 24.8-.4 34.3l11 10.9c9.4 9.4 24.6 9.4 33.9 0L404.3 273c9.4-9.4 9.4-24.6 0-33.9L271.6 106.3c-9.4-9.4-24.6-9.4-33.9 0l-11 10.9c-9.5 9.6-9.3 25.1.4 34.4z\"><\/path><\/svg>\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<div class=\"swiper-pagination\"><\/div>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\r\n\r\n\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">Kuna GeoPard on saamas p\u00f5llumajandusandmete anal\u00fc\u00fcsi suurtootjaks, oleme s\u00fcsteemi lisanud t\u00e4iustatud topograafilise anal\u00fc\u00fcsi.<\/p>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">Teil on vaja vaid luua p\u00f5llupiir (joonistada, importida v\u00f5i partii importida). GeoPard loob automaatselt teie p\u00f5llu digitaalse k\u00f5rgusmudeli (DEM) ja arvutab v\u00e4lja j\u00e4rgmised topograafilised mudelid ja kombineeritud kaardid:<\/p>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li>k\u00f5rgus \u2013 absoluutarvud;<\/li>\r\n<li>kalle \u2013 j\u00e4rsuse m\u00f5\u00f5t v\u00f5i objekti kalde aste horisontaaltasapinna suhtes;<\/li>\r\n<li>aspekt \u2013 kompassi suund, millega n\u00f5lv on silmitsi;<\/li>\r\n<li>m\u00e4estikuvarjutus \u2013 varjutatud reljeefiefekt maastiku visualiseerimiseks;<\/li>\r\n<li>k\u00f5rgus ja k\u00fcnkavarjud;<\/li>\r\n<li>kalle ja aspekt.<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">Me arvutame k\u00f5iki neid mudeleid, kuna ainult DEM-ist ei piisa p\u00f5llu topograafia t\u00e4pseks m\u00e4\u00e4ramiseks. N\u00e4iteks madalikul v\u00f5ib olla k\u00fcngas, mille mullaomadused ja produktiivsus absoluutv\u00e4\u00e4rtustes erinevad p\u00f5llu teistest sama k\u00f5rgusega osadest \u2013 nt. n\u00f5lv, lohk.\u00a0<\/p>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">Need on ekraanipildid, mis kajastavad topograafia ja mitmeaastase saagi arengumustri seost:\u00a0<\/p>\r\n\r\n\r\n\r\n<figure class=\"wp-block-image size-large\"><img data-recalc-dims=\"1\" fetchpriority=\"high\" decoding=\"async\" data-attachment-id=\"226\" data-permalink=\"https:\/\/geopard.tech\/est\/blog\/topography-and-relief-analytics-for-agricultural-fields\/image-14\/\" data-orig-file=\"https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2021\/09\/image-14.png?fit=1600%2C704&amp;ssl=1\" data-orig-size=\"1600,704\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"the correlation of topography and multi-year crop development pattern\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2021\/09\/image-14.png?fit=1024%2C451&amp;ssl=1\" class=\"alignnone wp-image-226\" src=\"https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2021\/09\/image-14.png?resize=810%2C357&#038;ssl=1\" alt=\"topograafia ja mitmeaastase p\u00f5llukultuuri arengumustri seos\" width=\"810\" height=\"357\" srcset=\"https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2021\/09\/image-14.png?resize=1024%2C451&amp;ssl=1 1024w, https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2021\/09\/image-14.png?resize=300%2C132&amp;ssl=1 300w, https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2021\/09\/image-14.png?resize=768%2C338&amp;ssl=1 768w, https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2021\/09\/image-14.png?resize=1536%2C676&amp;ssl=1 1536w, https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2021\/09\/image-14.png?resize=1200%2C528&amp;ssl=1 1200w, https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2021\/09\/image-14.png?w=1600&amp;ssl=1 1600w\" sizes=\"(max-width: 810px) 100vw, 810px\" \/><\/figure>\r\n\r\n\r\n\r\n<figure class=\"wp-block-image size-large\"><img data-recalc-dims=\"1\" decoding=\"async\" width=\"810\" height=\"407\" data-attachment-id=\"227\" data-permalink=\"https:\/\/geopard.tech\/est\/blog\/topography-and-relief-analytics-for-agricultural-fields\/image-15\/\" data-orig-file=\"https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2021\/09\/image-15.png?fit=1600%2C803&amp;ssl=1\" data-orig-size=\"1600,803\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"the correlation of topography and multi-year crop development pattern 2\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2021\/09\/image-15.png?fit=1024%2C514&amp;ssl=1\" class=\"wp-image-227\" src=\"https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2021\/09\/image-15.png?resize=810%2C407&#038;ssl=1\" alt=\"topograafia ja mitmeaastase p\u00f5llukultuuri arengumustri korrelatsioon 2\" srcset=\"https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2021\/09\/image-15.png?resize=1024%2C514&amp;ssl=1 1024w, https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2021\/09\/image-15.png?resize=300%2C151&amp;ssl=1 300w, https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2021\/09\/image-15.png?resize=768%2C385&amp;ssl=1 768w, https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2021\/09\/image-15.png?resize=1536%2C771&amp;ssl=1 1536w, https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2021\/09\/image-15.png?resize=1200%2C602&amp;ssl=1 1200w, https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2021\/09\/image-15.png?w=1600&amp;ssl=1 1600w\" sizes=\"(max-width: 810px) 100vw, 810px\" \/><\/figure>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">GeoPard kaasas parima v\u00f5imaliku topograafilise anal\u00fc\u00fcsi pakkumiseks mitmesuguseid digitaalseid k\u00f5rgusandmeid \u00fcle maailma, alates 2-meetrise ruumilise resolutsiooniga LIDARist \u00dchendkuningriigis kuni 30-meetrise SRTM-ini.\u00a0<\/p>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">Andke meile teada, milliseid muid p\u00f5llumajandusandmete anal\u00fc\u00fctikaid v\u00f5i muid k\u00f5rgustuletisi te GeoPard Agriculture&#039;is n\u00e4ha sooviksite, et see aitaks teil saagikust paremini m\u00f5ista!<\/p>\r\n<h2>Mis on topograafilised tegurid?<\/h2>\r\n<p>P\u00f5llumajanduses esinevad topograafilised tegurid viitavad maapinna omadustele ja selle m\u00f5jule p\u00f5llumajandustavadele. Need tegurid m\u00e4ngivad olulist rolli piirkonna sobivuse m\u00e4\u00e4ramisel p\u00f5llumajanduseks ja mitmesuguste juhtimisotsuste m\u00f5jutamisel. Siin on m\u00f5ned topograafilised tegurid p\u00f5llumajanduses:<\/p>\r\n<p><strong>Kalle<\/strong><\/p>\r\n<p>Kallakul on oluline topograafiline tegur, mis m\u00f5jutab vee \u00e4ravoolu, erosiooni ja p\u00f5llumajandustehnika ligip\u00e4\u00e4setavust. J\u00e4rsud n\u00f5lvad suurendavad pinnaseerosiooni ja vee \u00e4ravoolu ohtu, mist\u00f5ttu on vaja erosiooni kontrollimeetmeid, n\u00e4iteks kontuurk\u00fcndmist v\u00f5i terrassimist.<\/p>\r\n<p>Kallakul on oluline roll ka p\u00e4ikesevalguse k\u00e4ttesaadavusel, kuna j\u00e4rsemad n\u00f5lvad v\u00f5ivad heita varje ja m\u00f5jutada p\u00f5llu mikrokliimat.<\/p>\r\n<p><strong>K\u00f5rgus<\/strong><\/p>\r\n<p>K\u00f5rgus merepinnast on punkti v\u00f5i asukoha vertikaalne kaugus v\u00f5rdluspunktist, sageli keskmisest merepinnast. See m\u00f5jutab temperatuuri, \u00f5hur\u00f5hku ja p\u00f5llukultuuride liike, mida piirkonnas kasvatada saab.<\/p>\r\n<p>K\u00f5rgemal merepinnast on temperatuur \u00fcldiselt jahedam, mis v\u00f5ib piirata \u00f5itsenguks sobivate p\u00f5llukultuuride valikut. K\u00f5rgus merepinnast m\u00f5jutab ka kasvuperioodi pikkust ja sobivate p\u00f5llukultuuride sortide valikut.<\/p>\r\n<p><strong>Drenaa\u017e<\/strong><\/p>\r\n<p>Piirkonna topograafiline reljeef m\u00e4\u00e4rab selle loodusliku \u00e4ravoolu. N\u00f5uetekohane drenaa\u017e on oluline pinnase \u00f5hustamiseks, toitainete k\u00e4ttesaadavuse tagamiseks ja veepeetuse v\u00e4ltimiseks.<\/p>\r\n<p>Madalatel aladel v\u00f5i lohkudes v\u00f5ib esineda liigset vett, mis v\u00f5ib p\u00f5hjustada vettimist ja kahjustada p\u00f5llukultuuride kasvu.<\/p>\r\n<p>Maa drenaa\u017eiomaduste m\u00f5istmine aitab p\u00f5llumeestel rakendada t\u00f5husaid drenaa\u017eis\u00fcsteeme, et optimeerida vee liikumist ja ennetada veega seotud probleeme.<\/p>\r\n<p><strong>Aspekt<\/strong><\/p>\r\n<p>Aspekt viitab n\u00f5lva orientatsioonile ilmakaarte (p\u00f5hi, l\u00f5una, ida, l\u00e4\u00e4s) suhtes. See m\u00f5jutab p\u00e4ikesevalguse jaotumist, tuulemustreid ja temperatuurigradiente p\u00f5llul.<\/p>\r\n<p>L\u00f5unapoolsed n\u00f5lvad saavad rohkem p\u00e4ikesevalgust ja soojust, luues soojema mikrokliima ja potentsiaalselt m\u00f5jutades p\u00f5llukultuuride valikut v\u00f5i istutusstrateegiaid. Samuti v\u00f5ib maastiku asend m\u00f5jutada k\u00fclma v\u00f5i k\u00fclma \u00f5hu \u00e4ravoolu ohtu teatud piirkondades.<\/p>\r\n<p><strong>Pinnase s\u00fcgavus ja tekstuur<\/strong><\/p>\r\n<p>Topograafia v\u00f5ib p\u00f5llumajanduspiirkonnas m\u00f5jutada mulla s\u00fcgavust ja tekstuuri. N\u00f5lvad v\u00f5ivad p\u00f5hjustada mulla s\u00fcgavuse varieerumist, kusjuures j\u00e4rsematel n\u00f5lvadel leidub \u00f5hemat mulda. Mulla tekstuur, n\u00e4iteks liiva, muda ja savi osakaal, v\u00f5ib samuti topograafilisest reljeefist olenevalt erineda.<\/p>\r\n<p>Nende erinevuste m\u00f5istmine aitab p\u00f5llumeestel teha teadlikke otsuseid mullaharimise tavade, n\u00e4iteks niisutamise, v\u00e4etamise v\u00f5i mullaharimise kohta.<\/p>\r\n<p>Need p\u00f5llumajanduse topograafilised tegurid n\u00e4itavad, kui oluline on p\u00f5llumajanduslike otsuste tegemisel arvestada maapinna omadustega.<\/p>\r\n<p>Neid tegureid m\u00f5istes ja hallates saavad p\u00f5llumehed optimeerida p\u00f5llukultuuride kasvu, ennetada mullaerosiooni ja rakendada sobivaid p\u00f5llumajandustavasid, et tagada j\u00e4tkusuutlikud ja produktiivsed p\u00f5llumajanduss\u00fcsteemid.<\/p>\r\n<h2>Mis on topograafiline ehk kohalik reljeef?<\/h2>\r\n<p>Topograafiline reljeef v\u00f5i kohalik reljeef p\u00f5llumajanduse kontekstis viitab maat\u00fcki k\u00f5rguse v\u00f5i kalde varieerumisele. See on vertikaalse erinevuse m\u00f5\u00f5t antud piirkonna k\u00f5rgeima ja madalaima punkti vahel. Lihtsamalt \u00f6eldes esindab see maa topograafilisi ise\u00e4rasusi ja kontuure.<\/p>\r\n<p><img data-recalc-dims=\"1\" decoding=\"async\" data-attachment-id=\"6821\" data-permalink=\"https:\/\/geopard.tech\/est\/blog\/topography-and-relief-analytics-for-agricultural-fields\/what-is-topographic-relief\/\" data-orig-file=\"https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2020\/02\/What-is-topographic-relief.jpg?fit=1365%2C767&amp;ssl=1\" data-orig-size=\"1365,767\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"What is topographic relief\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2020\/02\/What-is-topographic-relief.jpg?fit=1024%2C575&amp;ssl=1\" class=\"aligncenter wp-image-6821 size-full\" src=\"https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2020\/02\/What-is-topographic-relief.jpg?resize=810%2C455&#038;ssl=1\" alt=\"Mis on topograafiline reljeef\" width=\"810\" height=\"455\" srcset=\"https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2020\/02\/What-is-topographic-relief.jpg?w=1365&amp;ssl=1 1365w, https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2020\/02\/What-is-topographic-relief.jpg?resize=300%2C169&amp;ssl=1 300w, https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2020\/02\/What-is-topographic-relief.jpg?resize=1024%2C575&amp;ssl=1 1024w, https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2020\/02\/What-is-topographic-relief.jpg?resize=768%2C432&amp;ssl=1 768w, https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2020\/02\/What-is-topographic-relief.jpg?resize=1200%2C674&amp;ssl=1 1200w\" sizes=\"(max-width: 810px) 100vw, 810px\" \/><\/p>\r\n<p>P\u00f5llumajanduses on topograafilise ehk kohaliku reljeefi m\u00f5istmine \u00fclioluline, kuna see m\u00f5jutab otseselt mitmesuguseid p\u00f5llumajandustavasid ja juhtimisotsuseid. Siin on m\u00f5ned olulised punktid, mida kaaluda:<\/p>\r\n<ul>\r\n<li><strong>Pinnase erosioon:<\/strong> See m\u00e4ngib olulist rolli mullaerosiooni ohu m\u00e4\u00e4ramisel. J\u00e4rsud n\u00f5lvad on erosioonile vastuv\u00f5tlikumad, kuna vee \u00e4ravool v\u00f5ib viljaka pealmise mulla ja toitained kiiresti minema kanda. P\u00f5llumajandustootjad peavad mullaerosiooni minimeerimiseks v\u00f5tma kasutusele sobivaid erosioonikontrolli meetmeid, n\u00e4iteks kontuurk\u00fcndmine, terrassimine v\u00f5i puhverribade rajamine.<\/li>\r\n<li><strong>Veemajandus:<\/strong> P\u00f5llu topograafiline reljeef m\u00f5jutab vee \u00e4ravoolu ja jaotumist. See m\u00e4\u00e4rab, kuidas vesi maal voolab, mis v\u00f5ib p\u00f5hjustada madalatel aladel liigniiskust v\u00f5i j\u00e4rskudel n\u00f5lvadel liigset \u00e4ravoolu. Seda m\u00f5istes saavad p\u00f5llumehed rakendada sobivaid drenaa\u017eis\u00fcsteeme, n\u00e4iteks kraave, paiskeid v\u00f5i kividrenaa\u017ei, et vett t\u00f5husalt hallata ja veega seotud probleeme ennetada.<\/li>\r\n<li><strong>Saagi valik:<\/strong> Erinevatel p\u00f5llukultuuridel on erinev taluvus n\u00f5lvade ja k\u00f5rguste suhtes. P\u00f5llu reljeef v\u00f5ib dikteerida, millised p\u00f5llukultuurid sobivad kasvatamiseks. N\u00e4iteks j\u00e4rskudel n\u00f5lvadel v\u00f5ivad erosioonioht ja vee \u00e4ravool piirata p\u00f5llukultuuride valikut nendega, mis suudavad mulda t\u00f5husalt siduda. Teisest k\u00fcljest sobivad tasased v\u00f5i laugjad alad laiemale p\u00f5llukultuuride valikule.<\/li>\r\n<li><strong>Masinate operatsioon:<\/strong> Kohalik reljeef m\u00f5jutab ka masinate t\u00f6\u00f6d ja p\u00f5ldude ligip\u00e4\u00e4setavust. J\u00e4rsud n\u00f5lvad v\u00f5ivad teatud masinate jaoks olla keerulised v\u00f5i ohtlikud, mis piirab mehhaniseerimise ulatust. Sellistel juhtudel v\u00f5ivad p\u00f5llumehed pidada vajalikuks kaaluda alternatiivseid p\u00f5llumajandustehnikaid, n\u00e4iteks k\u00e4sitsit\u00f6\u00f6d v\u00f5i j\u00e4rskude n\u00f5lvade jaoks m\u00f5eldud spetsiaalseid seadmeid.<\/li>\r\n<\/ul>\r\n<h2>K\u00f5rguse ja reljeefi erinevus<\/h2>\r\n<p>K\u00f5rgus ja reljeef on kaks erinevat p\u00f5llumajandusmaa topograafiaga seotud m\u00f5istet. Nende kahe erinevus on j\u00e4rgmine:<\/p>\r\n<p><strong>K\u00f5rgus<\/strong><\/p>\r\n<p>K\u00f5rgus viitab punkti v\u00f5i asukoha k\u00f5rgusele v\u00f5i vertikaalsele kaugusele v\u00f5rdluspunktist, tavaliselt keskmisest merepinnast (MSL). See on absoluutne m\u00f5\u00f5t, mis annab teavet konkreetse punkti vertikaalse asukoha kohta Maa pinnal.<\/p>\r\n<p>K\u00f5rgust m\u00f5\u00f5detakse tavaliselt meetrites v\u00f5i jalgades. P\u00f5llumajanduses on k\u00f5rgusandmed olulised maa koguk\u00f5rguse m\u00f5istmiseks, mis v\u00f5ib m\u00f5jutada selliseid tegureid nagu temperatuur, \u00f5hur\u00f5hk ja vee liikumine.<\/p>\r\n<p><strong>Reljeef: Milline see topograafilisel kaardil on?<\/strong><\/p>\r\n<p>Reljeef seevastu viitab kaardi eri punktide k\u00f5rguse varieerumisele. See esindab erinevust selle piirkonna k\u00f5rgeima ja madalaima punkti vahel.<\/p>\r\n<p>See on suhteline m\u00f5\u00f5t, mis annab teavet vertikaalsete erinevuste v\u00f5i k\u00f5rguse muutuste kohta p\u00f5llumajanduspiirkonna konkreetsel maastikul.<\/p>\r\n<p>Tavaliselt kujutatakse seda kontuurjoonte abil, mis \u00fchendavad v\u00f5rdse k\u00f5rgusega punkte, v\u00f5imaldades meil visualiseerida maastikul esinevaid k\u00fcnkaid, orge ja n\u00f5lvu. Mida l\u00e4hemal kontuurjooned \u00fcksteisele on, seda j\u00e4rsem on reljeef, samas kui laialdaselt paiknevad kontuurjooned n\u00e4itavad laugemaid n\u00f5lvu.<\/p>\r\n<p>Kokkuv\u00f5ttes on k\u00f5rgus absoluutne m\u00f5\u00f5t vertikaalse kauguse kohta v\u00f5rdluspunkti (n\u00e4iteks MSL) kohal, samas kui see on suhteline m\u00f5\u00f5t, mis kirjeldab k\u00f5rguse varieerumist konkreetses piirkonnas v\u00f5i piirkonnas.<\/p>\r\n<p>K\u00f5rgus annab teavet punkti k\u00f5rguse kohta, samas kui see annab \u00fclevaate antud p\u00f5llumajandusmaastiku topograafilistest ise\u00e4rasustest ja n\u00f5lvadest.<\/p>\r\n<p>Nii k\u00f5rgus kui ka reljeef on p\u00f5llumajanduses olulised kaalutlused, kuna need m\u00f5jutavad selliseid tegureid nagu vee \u00e4ravool, temperatuurigradiendid ja sobivus konkreetsetele p\u00f5llukultuuridele.<\/p>\r\n<h2>Mis on topograafia n\u00e4ide?<\/h2>\r\n<p>P\u00f5llumajanduses esineva topograafia n\u00e4ide on terrassp\u00f5llud k\u00fcnklikul v\u00f5i m\u00e4gisel maastikul. Terrass on sellistel aladel levinud tehnika, mida kasutatakse n\u00f5lvadel tasaste platvormide v\u00f5i astmete loomiseks, muutes j\u00e4rsu n\u00f5lva maa t\u00f5husalt haritavaks p\u00f5lluks.<\/p>\r\n<p><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"6820\" data-permalink=\"https:\/\/geopard.tech\/est\/blog\/topography-and-relief-analytics-for-agricultural-fields\/what-is-an-example-of-topography\/\" data-orig-file=\"https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2020\/02\/What-is-an-example-of-topography.jpg?fit=1365%2C767&amp;ssl=1\" data-orig-size=\"1365,767\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"What is an example of topography\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2020\/02\/What-is-an-example-of-topography.jpg?fit=1024%2C575&amp;ssl=1\" class=\"aligncenter wp-image-6820 size-full\" src=\"https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2020\/02\/What-is-an-example-of-topography.jpg?resize=810%2C455&#038;ssl=1\" alt=\"Mis on topograafia n\u00e4ide?\" width=\"810\" height=\"455\" srcset=\"https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2020\/02\/What-is-an-example-of-topography.jpg?w=1365&amp;ssl=1 1365w, https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2020\/02\/What-is-an-example-of-topography.jpg?resize=300%2C169&amp;ssl=1 300w, https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2020\/02\/What-is-an-example-of-topography.jpg?resize=1024%2C575&amp;ssl=1 1024w, https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2020\/02\/What-is-an-example-of-topography.jpg?resize=768%2C432&amp;ssl=1 768w, https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2020\/02\/What-is-an-example-of-topography.jpg?resize=1200%2C674&amp;ssl=1 1200w\" sizes=\"(max-width: 810px) 100vw, 810px\" \/><\/p>\r\n<p>Terrassid aitavad leevendada pinnaseerosiooni, v\u00e4hendades vee \u00e4ravoolu ja v\u00f5imaldades t\u00f5husat veemajandust.<\/p>\r\n<p>Terrassiga p\u00f5llud kasutavad looduslikku topograafilist reljeefi vee liikumise kontrollimiseks ja p\u00f5llumajandusliku tootlikkuse maksimeerimiseks. Iga terrass toimib v\u00e4ikese tasase alana, mis suudab vett kinni hoida, takistades selle kiiret allam\u00e4ge voolamist ja erosiooni p\u00f5hjustamist.<\/p>\r\n<p>Terrasside seinad toimivad barj\u00e4\u00e4ridena, hoides mulda paigal ja takistades selle \u00e4rauhtumist. See meetod aitab s\u00e4ilitada terrassidel viljakat pealmist mullakihti, tagades optimaalsed tingimused p\u00f5llukultuuride kasvuks.<\/p>\r\n<p>Terrassidega asfaldistamine v\u00f5imaldab ka piiratud maaressursse paremini \u00e4ra kasutada m\u00e4gistes piirkondades. N\u00f5lvadele tasaste alade loomisega saavad p\u00f5llumehed kasvatada p\u00f5llukultuure, mida muidu oleks j\u00e4rskude n\u00f5lvade t\u00f5ttu keeruline v\u00f5i v\u00f5imatu kasvatada.<\/p>\r\n<p>Terrassp\u00f5llumajandust on sajandeid harrastatud maailma eri paigus, n\u00e4iteks Filipiinide riisiterrassidel, Portugali Douro oru viinamarjaistanduste terrassidel v\u00f5i Hiina m\u00e4gede teeterrassidel.<\/p>\r\n<hr \/>\r\n<h2>Korduma kippuvad k\u00fcsimused<\/h2>\r\n<hr \/>\r\n<p><strong>1. Miks on topograafia p\u00f5llumajanduses oluline? Kuidas see m\u00f5jutab toidutootmist?<\/strong><\/p>\r\n<p>Topograafia on p\u00f5llumajanduses \u00fclioluline, kuna sellel on otsene m\u00f5ju toidutootmisele. See m\u00f5jutab vee \u00e4ravoolu, mullaerosiooni ja p\u00f5llukultuuride sobivust. See aitab planeerida niisutuss\u00fcsteeme, hallata n\u00f5lvu ja optimeerida maakasutust. Topograafia m\u00f5istmine on t\u00f5husate ja j\u00e4tkusuutlike p\u00f5llumajandustavade jaoks \u00fclioluline.<\/p>\r\n<p><strong>2. Kuidas m\u00e4\u00e4rata n\u00f5lva aspekti?<\/strong><\/p>\r\n<p>Kallaku nurga tuvastamiseks kasutage kompassi v\u00f5i nutitelefonis olevat kompassirakendust. Seisa kallakul ja hoia kompassi enda ees horisontaalselt, veendudes, et n\u00f5el osutab p\u00f5hja suunas.<\/p>\r\n<p>Aspekti m\u00e4\u00e4ramiseks lugege kraadi n\u00f5ela suunas. N\u00e4iteks kui n\u00f5el osutab 180 kraadi, on nurk l\u00f5unasse.<\/p>\r\n<p>See meetod v\u00f5imaldab teil m\u00e4\u00e4rata n\u00f5lva p\u00f5hisuunda, aidates m\u00f5ista p\u00e4ikesekiirguse ja mikrokliima k\u00f5ikumisi.<\/p>\r\n<p><strong>3. Kuidas m\u00f5jutab reljeef p\u00f5llumajandust?<\/strong><\/p>\r\n<p>See ehk maastiku k\u00f5rguse ja kalde varieerumine avaldab p\u00f5llumajandusele olulist m\u00f5ju. J\u00e4rsemad n\u00f5lvad v\u00f5ivad m\u00f5jutada vee \u00e4ravoolu ja suurendada erosiooniriski, mist\u00f5ttu on vaja v\u00f5tta asjakohaseid mullakaitsemeetmeid.<\/p>\r\n<p>N\u00f5lvad v\u00f5ivad m\u00f5jutada ka mikrokliimat, pakkudes erinevaid temperatuuri- ja niiskustingimusi. Lisaks v\u00f5ivad need m\u00f5jutada mulla paksust ja viljakust, mis omakorda m\u00f5jutab p\u00f5llukultuuride valikut ja tootlikkust.<\/p>\r\n<p>Seet\u00f5ttu on reljeefi \u00f5ige m\u00f5istmine ja haldamine \u00fclioluline niisutamise optimeerimiseks, erosiooni minimeerimiseks ja sobivate p\u00f5llumajandustavade valimiseks maastiku eri piirkondade jaoks.<\/p>\r\n<p><strong>4. Miks on orun\u00f5lvad m\u00e4gistes piirkondades eelistatud p\u00f5llumajanduspiirkonnad?<\/strong><\/p>\r\n<p>M\u00e4gistes piirkondades on orun\u00f5lvad mitmel p\u00f5hjusel eelistatud p\u00f5llumajanduskohad. Esiteks pakuvad orun\u00f5lvad suhteliselt tasasemat maastikku, mis h\u00f5lbustab p\u00f5llumajandustegevust, nagu harimine, niisutamine ja mehhaniseerimine.<\/p>\r\n<p>Teiseks on orgudel parem juurdep\u00e4\u00e4s veeallikatele, n\u00e4iteks j\u00f5gedele v\u00f5i ojadele, mida saab kasutada niisutamiseks. Lisaks pakuvad oru n\u00f5lvad head p\u00e4ikesevalgust ja kaitset tugevate tuulte eest, luues soodsa mikrokliima p\u00f5llukultuuride kasvuks.<\/p>\r\n<p>L\u00f5puks aitavad orgude looduslikud \u00e4ravoolumustrid v\u00e4ltida vee sissevoolu, tagades hea veemajanduse. Kokkuv\u00f5ttes muudavad need tegurid orun\u00f5lvad m\u00e4gistes piirkondades p\u00f5llumajanduseks ideaalseks.<\/p>\r\n<p><strong>5. Kuidas on reljeef ja topograafia seotud?<\/strong><\/p>\r\n<p>Geograafia kontekstis on reljeef ja topograafia tihedalt seotud. Topograafia viitab Maa pinna f\u00fc\u00fcsikalistele omadustele ja variatsioonidele, sealhulgas k\u00f5rgusele, n\u00f5lvadele ja pinnavormidele.<\/p>\r\n<p>Teisest k\u00fcljest viitab see konkreetselt k\u00f5rguse erinevusele antud piirkonna k\u00f5rgeima ja madalaima punkti vahel.<\/p>\r\n<p>Teisis\u00f5nu, see on topograafia vertikaalsete erinevuste m\u00f5\u00f5t. Koos annavad m\u00f5lemad tervikliku \u00fclevaate konkreetse piirkonna pinnaomadustest ja maastikust.<\/p>\r\n<p><strong>6. Kuidas m\u00f5\u00f5ta maapinna k\u00f5rgust?<\/strong><\/p>\r\n<p>Maapinna k\u00f5rgust saab m\u00f5\u00f5ta mitmel viisil. \u00dcks levinud l\u00e4henemisviis on globaalse positsioneerimiss\u00fcsteemi (GPS) seadme kasutamine, mis annab t\u00e4psed k\u00f5rgusn\u00e4idud.<\/p>\r\n<p>Teine meetod on kasutada digitaalset k\u00f5rgusmudelit (DEM), mis on andmestik, mis sisaldab k\u00f5rgusteavet erinevate asukohtade kohta.<\/p>\r\n<p>T\u00e4psete m\u00f5\u00f5tmiste tegemiseks saab kasutada ka spetsiaalseid m\u00f5\u00f5distusseadmeid, n\u00e4iteks t\u00e4isjaamu v\u00f5i laserloode. M\u00f5nel juhul v\u00f5ivad traditsioonilised meetodid, nagu baromeetrilise r\u00f5hu m\u00f5\u00f5tmine v\u00f5i k\u00f5rgusm\u00f5\u00f5tja kasutamine, anda ligikaudse k\u00f5rguse hinnangu.<\/p>","protected":false},"excerpt":{"rendered":"<p>Topograafia on \u00fcks peamisi tegureid, mis m\u00f5jutavad saagikust ja mulla toitainesisaldust. Seega v\u00f5ib kalle olla peamine saagikust piirav tegur, eriti kuivendamata maa puhul\u2026<\/p>","protected":false},"author":210157960,"featured_media":1370,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_coblocks_attr":"","_coblocks_dimensions":"","_coblocks_responsive_height":"","_coblocks_accordion_ie_support":"","_eb_attr":"","_crdt_document":"","content-type":"","_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"_wpas_customize_per_network":false,"jetpack_post_was_ever_published":false},"categories":[1366],"tags":[1600],"class_list":["post-223","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-topography","tag-topography"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Topography and relief analytics for agricultural fields - GeoPard Agriculture<\/title>\n<meta name=\"description\" content=\"Topography is one of the major factors affecting yield and nutrition content in the soil. 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