An analysis of onesided utilization of mineral nitrogen fertilyzers
2001
Vladeva, D. (Institut po Pochvoznanie "N. Pushkarov", Sofia (Bulgaria))
On the last decade there are great decreases in the yields of wheat and corn. One reason is the reduction of the applicated mineral fertilyzers in the crop production per unit area arable soils. The practice of onesided utilization of mineral nitrogen fertilization have led to disbalanced rates of the macronutrients and unpositive affects by the applied of mineral fertilizers.
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