{"id":9404,"date":"2023-12-17T20:42:37","date_gmt":"2023-12-17T19:42:37","guid":{"rendered":"https:\/\/geopard.tech\/?p=9404"},"modified":"2023-12-18T16:44:05","modified_gmt":"2023-12-18T15:44:05","slug":"vad-ar-fantomavkastningsforlust-i-majs-hur-man-minskar-den","status":"publish","type":"post","link":"https:\/\/geopard.tech\/swe\/blog\/what-is-phantom-yield-loss-in-corn-how-to-reduce-it\/","title":{"rendered":"Vad \u00e4r fantomavkastningsf\u00f6rlust i majs? Hur kan man minska den?"},"content":{"rendered":"<p>Inom jordbruket \u00e4r str\u00e4van efter optimal sk\u00f6rd en st\u00e4ndig utmaning f\u00f6r jordbrukare v\u00e4rlden \u00f6ver. Medan den allm\u00e4nna uppfattningen ofta tillskriver sk\u00f6rdef\u00f6rluster till tydliga faktorer och ogynnsamma v\u00e4derf\u00f6rh\u00e5llanden, finns det ett mer subtilt och sv\u00e5rf\u00e5ngat fenomen som kallas fantomsk sk\u00f6rdef\u00f6rlust.<\/p>\n<p>Det h\u00e4nvisar till den of\u00f6rklarliga minskningen av sk\u00f6rden som inte direkt kan h\u00e4nf\u00f6ras till konventionella faktorer som skadedjur, sjukdomar eller ogynnsamma v\u00e4derf\u00f6rh\u00e5llanden. Till skillnad fr\u00e5n uppenbara hot som manifesterar sig synligt, verkar det under ytan och undg\u00e5r ofta uppt\u00e4ckt f\u00f6rr\u00e4n dess effekter blir uppenbara under sk\u00f6rden.<\/p>\n<p>Enligt en rapport fr\u00e5n FN:s livsmedels- och jordbruksorganisation (FAO) g\u00e5r uppskattningsvis 301 ton av den globala gr\u00f6doproduktionen f\u00f6rlorad varje \u00e5r p\u00e5 grund av olika faktorer, inklusive den.<\/p>\n<p>Detta fenomen utmanar den konventionella f\u00f6rst\u00e5elsen av avkastningsbegr\u00e4nsningar och leder till en mer nyanserad granskning av jordbruksekosystemet. D\u00e4rf\u00f6r \u00e4r dess f\u00f6rst\u00e5else avg\u00f6rande f\u00f6r jordbrukare och agronomer eftersom det belyser faktorer som kan g\u00e5 obem\u00e4rkt f\u00f6rbi men som har en betydande inverkan p\u00e5 gr\u00f6dornas avkastning.<\/p>\n<p>Genom att erk\u00e4nna och \u00e5tg\u00e4rda dessa dolda element kan jordbruksmetoder f\u00f6rfinas och den totala produktiviteten f\u00f6rb\u00e4ttras.<\/p>\n<h2>Fantomavkastning i majs<\/h2>\n<p>Majs, en av v\u00e4rldens viktigaste gr\u00f6dor, spelar en avg\u00f6rande roll i den globala livsmedelsproduktionen. Jordbrukare st\u00e5r dock inf\u00f6r m\u00e5nga utmaningar n\u00e4r det g\u00e4ller att optimera majsavkastningen, d\u00e4r en betydande faktor \u00e4r fantomavkastningsf\u00f6rluster.<\/p>\n<p>Det \u00e4r f\u00f6rlusten av potentiell avkastning som uppst\u00e5r n\u00e4r majs f\u00e5r torka naturligt p\u00e5 f\u00e4ltet efter en viss punkt. Det h\u00e4nder eftersom majskornen forts\u00e4tter att andas och f\u00f6rlora vikt n\u00e4r de torkar, vilket minskar deras massa och kvalitet. Det \u00e4r inte synligt f\u00f6r \u00f6gat, men det kan ha en betydande inverkan p\u00e5 dina vinster.<\/p>\n<p><img data-recalc-dims=\"1\" fetchpriority=\"high\" decoding=\"async\" data-attachment-id=\"9430\" data-permalink=\"https:\/\/geopard.tech\/swe\/blog\/what-is-phantom-yield-loss-in-corn-how-to-reduce-it\/phantom-yield-loss-in-corn\/\" data-orig-file=\"https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2023\/12\/Phantom-Yield-Loss-In-Corn.jpg?fit=960%2C576&amp;ssl=1\" data-orig-size=\"960,576\" 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=\"Phantom Yield Loss In Corn\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2023\/12\/Phantom-Yield-Loss-In-Corn.jpg?fit=960%2C576&amp;ssl=1\" class=\"aligncenter wp-image-9430 size-full\" src=\"https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2023\/12\/Phantom-Yield-Loss-In-Corn.jpg?resize=810%2C486&#038;ssl=1\" alt=\"Fantomavkastning i majs\" width=\"810\" height=\"486\" srcset=\"https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2023\/12\/Phantom-Yield-Loss-In-Corn.jpg?w=960&amp;ssl=1 960w, https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2023\/12\/Phantom-Yield-Loss-In-Corn.jpg?resize=300%2C180&amp;ssl=1 300w, https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2023\/12\/Phantom-Yield-Loss-In-Corn.jpg?resize=768%2C461&amp;ssl=1 768w\" sizes=\"(max-width: 810px) 100vw, 810px\" \/><\/p>\n<p>Enligt Eric Frank, en Channel Seedsman baserad i Frankfort, Indiana, \u00e4r det &quot;en avkastningsf\u00f6rlust som drabbar majs n\u00e4r man inte b\u00f6rjar sk\u00f6rda tidigare. Det uppst\u00e5r eftersom man l\u00e5ter gr\u00f6dan torka naturligt ner till en viss punkt f\u00f6re sk\u00f6rd. N\u00e4r den f\u00f6rlorar s\u00e5 mycket fukt p\u00e5 f\u00e4ltet, kannibaliserar den sig sj\u00e4lv lite grann.&quot;\u201c<\/p>\n<h2>Hur bidrar k\u00e4rnrespiration till detta?<\/h2>\n<p>Det h\u00e4nder eftersom k\u00e4rnorna fortfarande lever efter att de n\u00e5tt svart lager, och de forts\u00e4tter att andas och anv\u00e4nda upp sina lagrade sockerarter och st\u00e4rkelser. Denna metaboliska aktivitet minskar k\u00e4rnornas massa och s\u00e4nker deras testvikt och kvalitet.<\/p>\n<p>K\u00e4rnrespiration \u00e4r den process genom vilken k\u00e4rnor anv\u00e4nder syre och glukos f\u00f6r att producera energi, koldioxid och vatten. Det \u00e4r en normal metabolisk aktivitet som sker under hela k\u00e4rnans utvecklings- och mognadsstadier.<\/p>\n<p><img data-recalc-dims=\"1\" decoding=\"async\" data-attachment-id=\"9426\" data-permalink=\"https:\/\/geopard.tech\/swe\/blog\/what-is-phantom-yield-loss-in-corn-how-to-reduce-it\/how-kernel-respiration-contribute-to-phantom-yield-loss\/\" data-orig-file=\"https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2023\/12\/How-kernel-respiration-contribute-to-Phantom-Yield-Loss.jpg?fit=1109%2C743&amp;ssl=1\" data-orig-size=\"1109,743\" 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=\"How kernel respiration contribute to Phantom Yield Loss\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2023\/12\/How-kernel-respiration-contribute-to-Phantom-Yield-Loss.jpg?fit=1024%2C686&amp;ssl=1\" class=\"aligncenter wp-image-9426 size-full\" src=\"https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2023\/12\/How-kernel-respiration-contribute-to-Phantom-Yield-Loss.jpg?resize=810%2C543&#038;ssl=1\" alt=\"Hur k\u00e4rnrespiration bidrar till fantomavkastning\" width=\"810\" height=\"543\" srcset=\"https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2023\/12\/How-kernel-respiration-contribute-to-Phantom-Yield-Loss.jpg?w=1109&amp;ssl=1 1109w, https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2023\/12\/How-kernel-respiration-contribute-to-Phantom-Yield-Loss.jpg?resize=300%2C201&amp;ssl=1 300w, https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2023\/12\/How-kernel-respiration-contribute-to-Phantom-Yield-Loss.jpg?resize=1024%2C686&amp;ssl=1 1024w, https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2023\/12\/How-kernel-respiration-contribute-to-Phantom-Yield-Loss.jpg?resize=768%2C515&amp;ssl=1 768w\" sizes=\"(max-width: 810px) 100vw, 810px\" \/><\/p>\n<p>K\u00e4rnans andning upph\u00f6r dock inte vid fysiologisk mognad, n\u00e4r det svarta lagret bildas vid k\u00e4rnans spets. K\u00e4rnan f\u00f6rblir levande tills den torkat ner till en tillr\u00e4ckligt l\u00e5g fuktighetsniv\u00e5 (runt 15%) f\u00f6r att d\u00f6da den. Under denna period forts\u00e4tter k\u00e4rnan att andas och f\u00f6rlora torrsubstans.<\/p>\n<h2>Hur mycket avkastning kan man f\u00f6rlora p\u00e5 grund av det?<\/h2>\n<p>Det beror p\u00e5 flera faktorer, s\u00e5som hybriden, v\u00e4dret, jordtypen och sk\u00f6rdetidpunkten. Vissa studier har dock visat att det kan variera fr\u00e5n 5 till 15 bushels per tunnland eller mer.<\/p>\n<p>Till exempel genomf\u00f6rde Farm Journals f\u00e4ltagronom Missy Bauer \u00e5r 2020 en testyta i ett bevattnat f\u00e4lt med en hybrid. Hon sk\u00f6rdade en del av f\u00e4ltet den 23 september, d\u00e5 fuktighetsniv\u00e5n var 27,9%, och resten av f\u00e4ltet den 30 oktober, d\u00e5 fuktighetsniv\u00e5n var 18,4%. Hon fann att den tidiga sk\u00f6rden gav 15,6 bushels per acre mer \u00e4n den sena sk\u00f6rden, 214,2 j\u00e4mf\u00f6rt med 198,6 bushels per acre.<\/p>\n<p><img data-recalc-dims=\"1\" decoding=\"async\" data-attachment-id=\"9428\" data-permalink=\"https:\/\/geopard.tech\/swe\/blog\/what-is-phantom-yield-loss-in-corn-how-to-reduce-it\/how-much-yield-can-you-lose-due-to-phantom-yield-loss\/\" data-orig-file=\"https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2023\/12\/How-much-yield-can-you-lose-due-to-Phantom-Yield-Loss.png?fit=1099%2C720&amp;ssl=1\" data-orig-size=\"1099,720\" 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=\"How much yield can you lose due to Phantom Yield Loss\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2023\/12\/How-much-yield-can-you-lose-due-to-Phantom-Yield-Loss.png?fit=1024%2C671&amp;ssl=1\" class=\"aligncenter wp-image-9428 size-full\" src=\"https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2023\/12\/How-much-yield-can-you-lose-due-to-Phantom-Yield-Loss.png?resize=810%2C531&#038;ssl=1\" alt=\"Hur mycket avkastning kan man f\u00f6rlora p\u00e5 grund av det?\" width=\"810\" height=\"531\" srcset=\"https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2023\/12\/How-much-yield-can-you-lose-due-to-Phantom-Yield-Loss.png?w=1099&amp;ssl=1 1099w, https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2023\/12\/How-much-yield-can-you-lose-due-to-Phantom-Yield-Loss.png?resize=300%2C197&amp;ssl=1 300w, https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2023\/12\/How-much-yield-can-you-lose-due-to-Phantom-Yield-Loss.png?resize=1024%2C671&amp;ssl=1 1024w, https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2023\/12\/How-much-yield-can-you-lose-due-to-Phantom-Yield-Loss.png?resize=768%2C503&amp;ssl=1 768w\" sizes=\"(max-width: 810px) 100vw, 810px\" \/><\/p>\n<p>En allm\u00e4n tumregel \u00e4r dock att det b\u00f6rjar intr\u00e4ffa n\u00e4r majsfuktigheten sjunker under 13% till 16%. Enligt vissa studier kan det variera fr\u00e5n 0,5% till 1,6% per fuktpunkt under 15%. Det inneb\u00e4r att en bonde som sk\u00f6rdar majs med 12% fukthalt ist\u00e4llet f\u00f6r 15% kan f\u00f6rlora upp till 4,8% i avkastning enbart p\u00e5 grund av detta.<\/p>\n<p>N\u00e5gra ytterligare studier har rapporterat avkastningsf\u00f6rluster p\u00e5 mellan 5 och 15 bushels per tunnland vid senare sk\u00f6rd. Till exempel fann en fem\u00e5rig studie i Nebraska att avkastningen minskade med i genomsnitt 9,1 bushels per tunnland vid senare sk\u00f6rd, oavsett f\u00f6r\u00e4ndringen i spannm\u00e5lsfuktighet eller tiden mellan sk\u00f6rddatumen. P\u00e5 liknande s\u00e4tt visade en studie i Michigan en genomsnittlig avkastningsf\u00f6rdel p\u00e5 8,9 bushels per tunnland vid tidigare sk\u00f6rd.<\/p>\n<p><strong>Hur m\u00e4ter man det?<\/strong><\/p>\n<p>Det b\u00e4sta s\u00e4ttet att m\u00e4ta det \u00e4r att j\u00e4mf\u00f6ra avkastningen av majs som sk\u00f6rdats vid olika fuktighetsniv\u00e5er p\u00e5 samma f\u00e4lt. Detta kan g\u00f6ras genom att sk\u00f6rda en del av f\u00e4ltet tidigt, n\u00e4r majsen fortfarande \u00e4r v\u00e5t (cirka 25% till 30% fukthalt), och en annan del senare, n\u00e4r majsen \u00e4r torr (cirka 15% eller l\u00e4gre).<\/p>\n<p>Skillnaden i sk\u00f6rd mellan de tv\u00e5 delarna representerar den m\u00e4ngd f\u00f6rlust som intr\u00e4ffade p\u00e5 f\u00e4ltet. Om till exempel den tidigt sk\u00f6rdade majsen gav 200 bu\/tunnland och den sent sk\u00f6rdade majsen gav 190 bu\/tunnland, d\u00e5 blir sk\u00f6rdef\u00f6rlusten 10 bu\/tunnland eller 5%.<\/p>\n<h2>Faktorer som bidrar till fantomavkastningsf\u00f6rlust<\/h2>\n<p>H\u00e4r \u00e4r n\u00e5gra av de dolda eller mindre uppenbara faktorerna som bidrar till avkastningsf\u00f6rlust:<\/p>\n<p><strong>1. K\u00e4rnstorlek och form:<\/strong> Moderna majshybriderna har st\u00f6rre och djupare k\u00e4rnor \u00e4n \u00e4ldre, vilket inneb\u00e4r att de har mer massa att f\u00f6rlora under andningen.<\/p>\n<p>Enligt Farm Journals f\u00e4ltagronom Missy Bauer ligger dagens genomsnittliga k\u00e4rnor p\u00e5 70 000 till 76 000 per bushel, j\u00e4mf\u00f6rt med 90 000 tidigare. Det betyder att varje k\u00e4rna har st\u00f6rre inverkan p\u00e5 slutsk\u00f6rden och att den kan bli mer betydande med nyare genetik.<\/p>\n<p><strong>2. K\u00e4rnans fukthalt:<\/strong> K\u00e4rnornas fukthalt avg\u00f6r hur mycket vatten de kan f\u00f6rlora under respirationen. Ju h\u00f6gre fukthalt, desto h\u00f6gre respirationshastighet och risken f\u00f6r sk\u00f6rdef\u00f6rlust.<\/p>\n<p>Enligt Channel Seedsman Eric Frank b\u00f6rjar det intr\u00e4ffa n\u00e4r k\u00e4rnans fuktighetsgrad sjunker under 16%. Han rekommenderar att man sk\u00f6rdar majs mellan 20% och 25% f\u00f6r att undvika att f\u00f6rlora f\u00f6r mycket vikt och kvalitet p\u00e5 f\u00e4ltet.<\/p>\n<p><strong>3. V\u00e4derf\u00f6rh\u00e5llanden:<\/strong> V\u00e4derf\u00f6rh\u00e5llandena under torkningsperioden kan p\u00e5verka andningshastigheten och sk\u00f6rdef\u00f6rlusten. H\u00f6ga temperaturer, l\u00e5g luftfuktighet, vind och solljus kan \u00f6ka avdunstningen av vatten fr\u00e5n k\u00e4rnorna och p\u00e5skynda viktf\u00f6rlusten.<\/p>\n<p><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"9423\" data-permalink=\"https:\/\/geopard.tech\/swe\/blog\/what-is-phantom-yield-loss-in-corn-how-to-reduce-it\/factors-that-contribute-to-phantom-yield-loss\/\" data-orig-file=\"https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2023\/12\/Factors-that-contribute-to-phantom-yield-loss.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=\"Factors that contribute to phantom yield loss\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2023\/12\/Factors-that-contribute-to-phantom-yield-loss.jpg?fit=1024%2C575&amp;ssl=1\" class=\"aligncenter wp-image-9423 size-full\" src=\"https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2023\/12\/Factors-that-contribute-to-phantom-yield-loss.jpg?resize=810%2C455&#038;ssl=1\" alt=\"Faktorer som bidrar till fantomavkastningsf\u00f6rlust\" width=\"810\" height=\"455\" srcset=\"https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2023\/12\/Factors-that-contribute-to-phantom-yield-loss.jpg?w=1365&amp;ssl=1 1365w, https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2023\/12\/Factors-that-contribute-to-phantom-yield-loss.jpg?resize=300%2C169&amp;ssl=1 300w, https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2023\/12\/Factors-that-contribute-to-phantom-yield-loss.jpg?resize=1024%2C575&amp;ssl=1 1024w, https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2023\/12\/Factors-that-contribute-to-phantom-yield-loss.jpg?resize=768%2C432&amp;ssl=1 768w, https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2023\/12\/Factors-that-contribute-to-phantom-yield-loss.jpg?resize=1200%2C674&amp;ssl=1 1200w\" sizes=\"(max-width: 810px) 100vw, 810px\" \/><\/p>\n<p>Omv\u00e4nt kan l\u00e5ga temperaturer, h\u00f6g luftfuktighet, regn och molnt\u00e4cke bromsa avdunstnings- och andningsprocesserna och minska avkastningsf\u00f6rlusten. Dessa f\u00f6rh\u00e5llanden kan dock ocks\u00e5 \u00f6ka risken f\u00f6r m\u00f6gel-, sjukdoms- och insektsskador, vilket ocks\u00e5 kan s\u00e4nka avkastningen och kvaliteten p\u00e5 majsen.<\/p>\n<p><strong>4. Sk\u00f6rdetidpunkt:<\/strong> Sk\u00f6rdetidpunkten \u00e4r en avg\u00f6rande faktor som avg\u00f6r hur mycket det f\u00f6rekommer i en majsgr\u00f6da. F\u00f6r tidig sk\u00f6rd kan resultera i h\u00f6ga torkningskostnader och l\u00e4gre testvikt, medan f\u00f6r sen sk\u00f6rd kan resultera i alltf\u00f6r stora f\u00f6rluster och l\u00e4gre spannm\u00e5lskvalitet.<\/p>\n<p>Den optimala sk\u00f6rdetidpunkten beror p\u00e5 flera faktorer, s\u00e5som hybridmognad, rabatter p\u00e5 spannm\u00e5lssiloer, v\u00e4derprognos, f\u00e4ltf\u00f6rh\u00e5llanden och tillg\u00e5ng p\u00e5 utrustning. Frank r\u00e5der lantbrukare att noggrant \u00f6vervaka sina f\u00e4lt och justera sina sk\u00f6rdeplaner d\u00e4refter.<\/p>\n<p>Samtidigt kan jordbrukare m\u00f6ta ogynnsamma f\u00f6rh\u00e5llanden som f\u00f6rsenar eller avbryter deras sk\u00f6rdeplaner, s\u00e5som regn, hagel, frost eller sn\u00f6. Dessa h\u00e4ndelser kan skada stj\u00e4lkens integritet och \u00f6ka risken f\u00f6r bost\u00e4der, \u00f6ronfall eller m\u00f6gelinfektion, vilket ytterligare kan minska avkastningen och kvaliteten p\u00e5 majsen.<\/p>\n<h2>Hur man undviker eller minskar det? Den tidiga sk\u00f6rden!<\/h2>\n<p>Det b\u00e4sta s\u00e4ttet att undvika f\u00f6rluster \u00e4r att sk\u00f6rda majs vid optimal fuktighetsniv\u00e5 och anv\u00e4nda kontrollerade torkningsmetoder. Att sk\u00f6rda majs vid en h\u00f6gre fuktighetsniv\u00e5 (runt 20% till 25%) kan bidra till att bevara k\u00e4rnans vikt och kvalitet, samt minska f\u00e4ltf\u00f6rluster p\u00e5 grund av axfall, stj\u00e4lkl\u00e4ggning, insektsskador, m\u00f6geltillv\u00e4xt och mykotoxinkontaminering.<\/p>\n<p>Sk\u00f6rd av v\u00e5t majs kr\u00e4ver dock ocks\u00e5 l\u00e4mpliga torknings- och lagringsanl\u00e4ggningar f\u00f6r att f\u00f6rhindra f\u00f6rst\u00f6ring och kvalitetsf\u00f6rs\u00e4mring. Kontrollerade torkningsmetoder, s\u00e5som naturlig lufttorkning eller l\u00e5gtemperaturtorkning, kan bidra till att minska k\u00e4rnskador och krympning under torkningsprocessen.<\/p>\n<p><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"9424\" data-permalink=\"https:\/\/geopard.tech\/swe\/blog\/what-is-phantom-yield-loss-in-corn-how-to-reduce-it\/how-to-avoid-or-reduce-it-the-early-harvesting\/\" data-orig-file=\"https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2023\/12\/How-to-avoid-or-reduce-it-The-early-harvesting.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=\"How to avoid or reduce it The early harvesting!\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2023\/12\/How-to-avoid-or-reduce-it-The-early-harvesting.jpg?fit=1024%2C575&amp;ssl=1\" class=\"aligncenter wp-image-9424 size-full\" src=\"https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2023\/12\/How-to-avoid-or-reduce-it-The-early-harvesting.jpg?resize=810%2C455&#038;ssl=1\" alt=\"Hur man undviker eller minskar fantomavkastning vid tidig sk\u00f6rd!\" width=\"810\" height=\"455\" srcset=\"https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2023\/12\/How-to-avoid-or-reduce-it-The-early-harvesting.jpg?w=1365&amp;ssl=1 1365w, https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2023\/12\/How-to-avoid-or-reduce-it-The-early-harvesting.jpg?resize=300%2C169&amp;ssl=1 300w, https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2023\/12\/How-to-avoid-or-reduce-it-The-early-harvesting.jpg?resize=1024%2C575&amp;ssl=1 1024w, https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2023\/12\/How-to-avoid-or-reduce-it-The-early-harvesting.jpg?resize=768%2C432&amp;ssl=1 768w, https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2023\/12\/How-to-avoid-or-reduce-it-The-early-harvesting.jpg?resize=1200%2C674&amp;ssl=1 1200w\" sizes=\"(max-width: 810px) 100vw, 810px\" \/><\/p>\n<p>Dessutom b\u00f6r jordbrukare beakta de ekonomiska faktorer som \u00e4r involverade i att sk\u00f6rda v\u00e5t majs kontra torr majs. Dessa inkluderar rabatter eller premier f\u00f6r spannm\u00e5lselevatorer f\u00f6r fukthalt, torkningskostnader eller besparingar, lagringskostnader eller besparingar och potentiella avkastnings- eller kvalitetsf\u00f6rluster eller vinster.<\/p>\n<p>Genom att v\u00e4ga dessa faktorer och anv\u00e4nda tillf\u00f6rlitlig data fr\u00e5n sina egna f\u00e4lt eller lokala k\u00e4llor kan jordbrukare fatta v\u00e4lgrundade beslut om n\u00e4r de ska sk\u00f6rda sin majs och hur de ska torka den effektivt.<\/p>\n<p>Ett annat s\u00e4tt \u00e4r att v\u00e4lja hybrider som har god st\u00e5ndskraft och resistens mot sjukdomar och skadedjur som kan p\u00e5verka stj\u00e4lkstyrkan och axh\u00e5llningen. Du kan ocks\u00e5 anv\u00e4nda agronomiska metoder som fr\u00e4mjar en sund v\u00e4xttillv\u00e4xt och utveckling, s\u00e5som korrekt g\u00f6dsling, ogr\u00e4sbek\u00e4mpning, bevattning och skadedjursbek\u00e4mpning.<\/p>\n<h2>Kan PYL p\u00e5verka andra gr\u00f6dor?<\/h2>\n<p>Ja, det kan p\u00e5verka olika gr\u00f6dor, men inte alla p\u00e5 samma s\u00e4tt. Det kan skada gr\u00f6dor med h\u00f6g fukthalt n\u00e4r de \u00e4r fullvuxna och det tar ett tag f\u00f6r dem att torka ut p\u00e5 f\u00e4ltet. Vissa gr\u00f6dor \u00e4r dock mer utsatta \u00e4n andra, baserat p\u00e5 deras fr\u00f6n och hur de... <span style=\"font-weight: 400;\">andas<\/span>, och milj\u00f6n.<\/p>\n<p>Ta till exempel sojab\u00f6nor. De har mindre risk att f\u00e5 stora PYL-problem j\u00e4mf\u00f6rt med majs. Detta beror p\u00e5 att sojab\u00f6nor har l\u00e4gre fukthalt n\u00e4r de \u00e4r redo att sk\u00f6rdas (cirka 50% j\u00e4mf\u00f6rt med majs 70%) och de torkar snabbare p\u00e5 f\u00e4ltet (cirka 10 dagar j\u00e4mf\u00f6rt med 30 dagar f\u00f6r majs).<\/p>\n<p>Men om sojab\u00f6nor inte sk\u00f6rdas f\u00f6rr\u00e4n de har en fukthalt p\u00e5 \u00f6ver 13%, kan de fortfarande f\u00f6rlora vikt och kvalitet p\u00e5 grund av att de andas, g\u00e5r s\u00f6nder eller blir svampangripna.<\/p>\n<p>Vete, \u00e5 andra sidan, \u00e4r mer utsatt f\u00f6r risker \u00e4n sojab\u00f6nor. Detta beror p\u00e5 att vete har h\u00f6gre fukthalt n\u00e4r det \u00e4r dags att sk\u00f6rda (cirka 60% j\u00e4mf\u00f6rt med sojab\u00f6nors 50%) och det tar l\u00e4ngre tid f\u00f6r det att torka ut p\u00e5 f\u00e4ltet (cirka 20 dagar j\u00e4mf\u00f6rt med 10 dagar f\u00f6r sojab\u00f6nor).<\/p>\n<p>Vete kan f\u00f6rlora upp till 10% av sin vikt om det inte sk\u00f6rdas f\u00f6rr\u00e4n det har en fukthalt p\u00e5 mer \u00e4n 14%, p\u00e5 grund av andning, s\u00f6nderfall, groning eller sjukdomar.<\/p>\n<p>Andra gr\u00f6dor som korn, havre, r\u00e5g, sorghum, solros, raps och alfalfa kan ocks\u00e5 drabbas av PYL. Hur mycket de p\u00e5verkas beror p\u00e5 gr\u00f6dans sammans\u00e4ttning, gener, hur de sk\u00f6ts och v\u00e4dret. D\u00e4rf\u00f6r \u00e4r det avg\u00f6rande f\u00f6r jordbrukare att h\u00e5lla koll p\u00e5 sina gr\u00f6dors fuktniv\u00e5er och sk\u00f6rda dem vid b\u00e4sta tidpunkt f\u00f6r att undvika on\u00f6diga f\u00f6rluster.<\/p>\n<h2>Hur GeoPards automatiserade avkastningsreng\u00f6ring och kalibrering kan hj\u00e4lpa till med PYL?<\/h2>\n<p>K\u00e4rnan i GeoPards l\u00f6sning ligger en upps\u00e4ttning funktioner som \u00e4r utformade f\u00f6r att automatisera reng\u00f6ring och kalibrering av avkastningsdata. Tekniken identifierar systematiskt luckor eller \u00f6verblivna punkter i avkastningsdatasetet, vilket s\u00e4kerst\u00e4ller en mer tillf\u00f6rlitlig representation av faktiska avkastningar.<\/p>\n<p><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2023\/12\/Example-1-U-turns-Stops-Half-Equipment-Width-Used.jpg?resize=810%2C399&#038;ssl=1\" alt=\"Hur GeoPards automatiserade avkastningsreng\u00f6ring och kalibrering kan hj\u00e4lpa till med PYL?\" width=\"810\" height=\"399\" \/><\/p>\n<p>Genom att utnyttja avancerade algoritmer f\u00f6rb\u00e4ttras precisionen i \u00f6vervakningen, vilket ger jordbrukare en p\u00e5litlig grund f\u00f6r beslutsfattande. En av de mest framst\u00e5ende egenskaperna hos GeoPards teknik \u00e4r dess f\u00f6rm\u00e5ga att fylla i saknad data med syntetiska avkastningskartor.<\/p>\n<p>I situationer d\u00e4r det finns datagap genererar den syntetiska avkastningskartor som s\u00f6ml\u00f6st integreras med den befintliga datam\u00e4ngden. Denna innovativa metod s\u00e4kerst\u00e4ller inte bara en omfattande avkastningsrapport utan bidrar ocks\u00e5 till en mer exakt f\u00f6rst\u00e5else av gr\u00f6dornas prestanda.<\/p>\n<p>Till\u00e4mpningen av <a href=\"https:\/\/geopard.tech\/swe\/blogg\/automatiserad-rengoring-och-kalibrering-av-avkastningsdata\/\">GeoPards automatiserade reng\u00f6ring och kalibrering<\/a> Tekniken leder direkt till en minskning av fantomavkastningsf\u00f6rluster. Med en mer exakt representation av gr\u00f6dornas avkastning kan jordbrukare fatta b\u00e4ttre v\u00e4lgrundade beslut om gr\u00f6dhantering, resursallokering och sk\u00f6rdetider. Det ger jordbruksintressenter m\u00f6jlighet att \u00f6vervinna de utmaningar som \u00e4r f\u00f6rknippade med felaktiga data, vilket i slut\u00e4ndan leder till f\u00f6rb\u00e4ttrad total produktivitet.<\/p>\n<h2>Slutsats<\/h2>\n<p>Det \u00e4r en subtil men betydande utmaning inom jordbruket, som kr\u00e4ver en helt\u00e4ckande strategi f\u00f6r gr\u00f6dhantering. Genom att identifiera mindre uppenbara faktorer som p\u00e5verkar avkastningen kan jordbrukare vidta proaktiva \u00e5tg\u00e4rder. Precisionsjordbruk, jordh\u00e4lsohantering, mikrobiella interaktioner, klimatsmarta metoder och framsteg inom gr\u00f6dgenetik utg\u00f6r en f\u00e4rdplan f\u00f6r att hantera den. Att anamma detta helhetsperspektiv g\u00f6r det m\u00f6jligt f\u00f6r jordbrukssamh\u00e4llet att fr\u00e4mja h\u00e5llbara och motst\u00e5ndskraftiga livsmedelsproduktionssystem mitt i f\u00f6r\u00e4nderliga utmaningar.<\/p>","protected":false},"excerpt":{"rendered":"<p>Inom jordbrukssf\u00e4ren \u00e4r str\u00e4van efter optimal sk\u00f6rd en st\u00e4ndig utmaning f\u00f6r jordbrukare v\u00e4rlden \u00f6ver. Medan den allm\u00e4nna uppfattningen ofta tillskriver sk\u00f6rdef\u00f6rluster ...<\/p>","protected":false},"author":210249433,"featured_media":9407,"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_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":[1368],"tags":[],"class_list":["post-9404","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-yield"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.6 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>What is Phantom Yield Loss In Corn? 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