Comparison of a bioassay and three chemical methods for determination of plant-available P in cultivated soils of Finland
Phosphorus was extracted from 32 field soil samples with water (Pw), with 0.5 M NH4-acetate-0.5 M acetic acid at pH 4.65 (PAAAc) and by a method in which freshly precipitated iron hydroxide is used as the sink for P desorbing from the soil (Pi method). Pi is supposed to be the quantity of reversibly...
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| Hovedforfatter: | |
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| Format: | Artigo |
| Sprog: | Inglês |
| Udgivet: |
Scientific Agricultural Society of Finland
1990-07-01
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| Serier: | Agricultural and Food Science |
| Online adgang: | https://journal.fi/afs/article/view/72384 |
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