Comparative study of techniques to evaluate the availability of potassium in soils. iI. extraction of potassium with ammonium acetate nitrogen and 0.01 normal calcium chloride, Delta F, percent of saturation of potassium and b

Diez, J.; Hernando, V.

Anales de edafologia y agrobiologia 35(11-12): 1147-1154

1976

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