Soil reaction influence on the yielding of crops and the potassium fertilization efficiency
1987
Mercik, S. (Szkola Glowna Gospodarstwa Wiejskiego - Akademia Rolnicza, Warszawa (Poland). Katedra Chemii Ogolnej)
The pH values of 4 or less brought about a substantial reduction of crops yiel2041ds in a five-course rotation experiment. The effectiveness of potassium fertilization and the content of potassium in straw but not in grain increased with increasing of soil pH. More potassium was mobilized in soils having higher pH va
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