Abstract

Within the cropping measures that influence the level of the yield, an important role is played by the fertilizer background and the crop rotation. The present paper describe long term trials of 2001, 2002 and 2003 years as influenced by the fertilizer background and short term crop rotation on the corn crop yield. In these conditions, within the short term crop rotation, the a2 (N150P1000 and a3 (N200P150) fertilizer backgrounds have given and the three and four years crop rotations (soybean wheat- corn sunflower) has recorded outputs of in comparison with the corn monoculture.

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