Hao Juan
Abstract
The application tests of formula fertilizer were done on Liaohe5 and the results indicated that the formula fertilizer can increase yields by 73.4 kg/667 m2 and improving the efficiencies by 136.8 yuan/667 m2 than conventional fertilizer,the optimal fertilizer were N-16.9 kg/667 m2,P2O5-4.0 kg/667 m2,K2O-6.4 kg/667 m2.
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The application tests of formula fertilizer were done on Liaohe5 and the results indicated that the formula fertilizer can increase yields by 73.4 kg/667 m2 and improving the efficiencies by 136.8 yuan/667 m2 than conventional fertilizer,the optimal fertilizer were N-16.9 kg/667 m2,P2O5-4.0 kg/667 m2,K2O-6.4 kg/667 m2.
Key concepts: Fertilizer, Mathematics, Agronomy, Agricultural engineering, Engineering, Biology