Effect of winter rape postharvest residues and nitrogen fertilization on the development, yielding and chemical composition of winter wheat
2003
Kotecki, A. | Kozak, M. | Malarz, W. (Akademia Rolnicza, Wroclaw (Poland). Katedra Szczegolowej Uprawy Roslin)
The split-plot design experiment, in four replications, investigated 2 variables, I - fertilization - postharvest residues and postharvest residues with underploughed straw, II - ammonium nitrate - 0255075 (N kg/ha). The winter wheat cultivated after underploughed winter rape straw, as compared to that without straw, showed a lower number of overwintered plants, of grains per ear, grain weight per ear, grain yield, protein yield and crop energetic value. Nitrogen fertilization did not compensate fully for the yield decrease caused by a negative effect of underploughed winter rape straw on winter wheat grain yield
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