2011•Northern HorticultureRequires access
Effect of Different N,P,K Applying Fertilizer on Yield of Onion in High-altitude Cold Area
Peng Zhao
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Abstract
Utilizing ‘311-A’ regression design,studied the effect of different N,P,K applying fertilizer on onion in high-altitude cold area.The results showed that the quantity of applying fertilizer of the maximum on onion in high-altitude cold area was nitrogen fertilizer(N):20.7 kg/667m2,phosphate fertilizer(P2O5)13.2 kg/667m2,potassium fertilizer(K2O)12.1 kg/667m2,the maximum yield of onion was 7 173.96 kg/667m2;The quantity of applying fertilizer of the best yield was nitrogen fertilizer(N):17.5 kg/667m2,phosphate fertilizer(P2O5)11.5 kg/667m2,potassium fertilizer(K2O)5.7 kg/667m2,the best profit of onion was RMB 4 768.23 yuan/667 m2.