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Volume 21 Issue 4
Apr.  2012
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LUO Feng-lai. Effects of N,P,K balanced application on economical yield and quality of scallion[J]. Fujian Journal of Agricultural Sciences, 2006, 21(4): 393-397.
Citation: LUO Feng-lai. Effects of N,P,K balanced application on economical yield and quality of scallion[J]. Fujian Journal of Agricultural Sciences, 2006, 21(4): 393-397.

Effects of N,P,K balanced application on economical yield and quality of scallion

  • Received Date: 2006-08-17
  • Rev Recd Date: 2006-10-12
  • Publish Date: 2006-12-15
  • The effect functions of N.P.K coordinative application on economical yield,fertilization profit and N ratio of split application at different growing stage of scallion were studied by the field experiments with 311-A best regression design of supposed saturation and {3,2} saturated design of single shape check.The results showed that the best N,P,K fertilization quantity for scallion with maximum economical yield was N 317.25 kg·hm-2,P2O56.26 kg·hm-2,K2O 93.34 kg·hm-2respectively.The best N.P.K fertilization quantity for scallion with best fertilization profit was N 310.76 kg·hm-2,P2O5 1.53 kg·hm-2 and K2O 89.93 kg·hm-2.The better N fertilization quantity at different growing stage of scallion (basal dressing,former and latter topdressing) was 74.08、112.24 and 124.68 kg·hm-2 respectively.At the equivalent fertilizer,the quality of scallion was affected by the N,P,K fertilization quantity and N fertilization periods.
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    中国标准出版社第一编辑室.中国农业标准汇编(果蔬卷)[S].北京:中国标准出版社,2002:189-192.
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