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W pracy omówiono wpływ wieloletniego nawożenia obornikiem i gnojowicą na zawartość mineralnych form azotu w glebie. Wykazano, że stosowanie obornika bardziej sprzyja nagromadzeniu się N-NO₃ w profilu glebowym (0-100 cm) niż nawożenie gnojowicą w dawkach zrównoważonych z obornikiem zawartością azotu. Na wzrost zawartości azotanów w glebie ma duży wpływ częstotliwość stosowania obornika w zmianowaniu...
An increase of the share of cereal crops in the crop rotation from 50 up to 75% resulted in a reduction of the content of carbon and nitrogen (both total and mineral). Similar results were obtained also at the share of 25% of cereals in the crop rotation. Cultivation of grasses and of winter aftercrop resulted in an increase of the carbon and total nitrogen content in soil. At fertilization with slurry,...
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