Estimating Plant-Available Potassium in Potassium-Fixing Soils

Soil tests commonly used to develop potassium (K) fertilizer recommendations, such as extraction by 1 M ammonium acetate (NH₄OAc) at pH 7, measure both soluble and exchangeable K. In soils that fix K so that it is no longer exchangeable, although a portion of it may still be available to plants, add...

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Veröffentlicht in:	Communications in Soil Science and Plant Analysis 2013, Vol.44 (1-4), p.741-748
Hauptverfasser:	Rees, Gordon L, Pettygrove, G. Stuart, Southard, Randal J
Format:	Artikel
Sprache:	eng
Schlagworte:	Agronomy. Soil science and plant productions Ammonium acetate Biological and medical sciences exchangeable potassium Fundamental and applied biological sciences. Psychology Potassium potassium chloride sodium soil soil sampling Soil science Soil sciences soil test
Online-Zugang:	Volltext
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