Section 15
Chapter 14,694

Studies on the dynamics of phosphorus and potassium in soil. III. Experiments on phosphorus and potassium fixation. IV. Forms of phosphorus and potassium extracted by ammonium acetate

Manil, G.; Hanotiaux, G.

Pedologie 14: 36-54


ISSN/ISBN: 0079-0419
Accession: 014693844

& F. XXVII and XXVIII. P added to the soil was strongly fixed (70-100% of the added P), especially in soils from experimental plots poor in P. K fixation was particularly important in soils from plots to which K fertilizers had been applied. Extractions with ammonium acetate at pH 4.8 removed mainly exchangeable K.

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