The importance and the role of the crop rotation in the winter wheat production
2005
Dolijanovic, Z.(Poljoprivredni fakultet, Beograd - Zemun (Serbia)) | Kovacevic, D.(Poljoprivredni fakultet, Beograd - Zemun (Serbia)) | Oljaca, S.(Poljoprivredni fakultet, Beograd - Zemun (Serbia)) | Simic, M.(Institut za kukuruz Zemun Polje, Beograd - Zemun (Serbia)) | Jovanovic, Z.(Institut za kukuruz Zemun Polje, Beograd - Zemun (Serbia))
This paper deals with effects of the three- and four-crop rotation on the grain yield compared with winter wheat continuous cropping. In three-crop rotation variant following crops were: maize, soybean and winter wheat. The four-crop rotation encompassed maize, winter wheat, red clover and spring barley + red clover. The winter wheat cultivar Pobeda grown under rainfed conditions on leached chernozem was studied. The analysis of variance of the winter wheat yield showed significant differences among years of investigation. The highest yield of winter wheat (4.53 t/ha) was obtained in 2001, while the lowest one (3.05 t/ha) was recorded in dry 2003. Grain yield of winter wheat in continuous cropping (3.70 t/ha) was statistically very significantly lower than yield in the three- (4.11 t/ha) and four-crop rotation (4.07 t/ha), while difference in grain yield between the three- and the four-crop rotation variants was no statistically significant.
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