Zahteve za vzorčenje tal na Aljaski
Državne smernice: Služba za zadružno širitev Univerze na Aljaski Fairbanks, navodila za vzorčenje tal.
| Country / region | Purpose / programme | Time / frequency | Area per sample | Method | Depth | Cores | Status and source |
|---|---|---|---|---|---|---|---|
| United States | |||||||
| AlaskaUnited StatesAlaska only. Other states set their own rules. | Routine soil fertility samplingUniversity of Alaska Fairbanks Cooperative Extension Service, soil sampling instructions | Not specified | Not specified | At least 13 points per sample, following the form diagram. On contour strips, 6 cores 20 feet in from the edge of the strip and 6 from the opposite side. Separate samples where soil type, past fertilizer or lime, or cropping history differ. | Tilling or plowing depth on cultivated land, or 6 inches. Pastures 3 or 4 inches. | At least 13 slices or borings per sample | Official guidanceUAF Cooperative Extension Service, Kenai soil test interpretation form 2019 (PDF) |
Who it applies to, the exact wording and every source
The wording in the sourceMethod
Depth
Cores
SourcesSources re-checked every two months, last update October 2026. Reviewed by GeoPard editorial team. | |||||||
Združene države: zvezna pravila in pravila vseh drugih držav
Predpisi o vzorčenju tal v vsaki državi
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