Efectul in timp al ingrasamintelor organice si chimice la griu si porumb.
1988
Stefaescu M. | Pasca I.
During 1965-1987, there have been studied in stationary trials, some aspects regarding the organic and mineral fertilization, on a lessivage charnozem, under conditions of non-irrigation, at Agricultural Research Station Turda. Wheat and maize turn to account efficiency the organic and mineral fertilizers, thus obtaining significant yield increases, in all variants of fertilization. The average yields are increasing, both in wheat and in maize, by introducing a leguminous plant in the rotation. The systematic fertilization wth organic and mineral fertilizers contributed to the increase of humus, potassium and mobile phosphorus content and had a favourable influence upon the pH value.
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Эту запись предоставил Wolters Kluwer