Changes in the content of nutrients in hay and meadow soil in the 15-year period of intensive mineral fertilization. 3. Content of microelements in hay and their uptake
1990
Czuba, R. (Instytut Uprawy Nawozenia i Gleboznawstwa, Pulawy (Poland)) | Murzynski, J. (Akademia Rolnicza, Wroclaw (Poland))
High N, P and K rates applied for 15 years stimulated high yielding of a grassland and consequently led to gradual exhaustion of some microelements from soil. The contents of Cu, Zn and B in hay also decreased. The acidifying effect of high rates of NPK on soil led to a considerable increase of Mn in hay. Additional fertilization with Ca and Mg lowered Mn content in hay and increased that of Zn and Mo
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