孙权, 高艳明, 李建设. 氮、磷、钾配合施用对油菜硝酸盐含量的影响[J]. 中国生态农业学报(中英文), 2003, 11(3): 84-86.
引用本文: 孙权, 高艳明, 李建设. 氮、磷、钾配合施用对油菜硝酸盐含量的影响[J]. 中国生态农业学报(中英文), 2003, 11(3): 84-86.
SUN Quan, GAO Yan-Ming, LI Jian—She. Effects of different proportions of N,P,and K on nitrate contents in rape[J]. Chinese Journal of Eco-Agriculture, 2003, 11(3): 84-86.
Citation: SUN Quan, GAO Yan-Ming, LI Jian—She. Effects of different proportions of N,P,and K on nitrate contents in rape[J]. Chinese Journal of Eco-Agriculture, 2003, 11(3): 84-86.

氮、磷、钾配合施用对油菜硝酸盐含量的影响

Effects of different proportions of N,P,and K on nitrate contents in rape

  • 摘要: 田间和盆栽试验研究不同肥料形态及其配比对油菜体内NO3--N 累积的影响结果表明,N 肥是油菜体内N03--N 的主要来源,N、P、K 肥配施显著降低油菜体内NO3--N 含量。且N、P、K 肥配施田间与温室栽培表现出较大差异,温室栽培下N、P、K 最佳配施为N225kg/hm2、P2O560kg/hm2 、K2O45kg/hm2 ,N:P205:K2O 为5:1.33:1,可保证高产和降低油菜体内硝酸盐含量。

     

    Abstract: The field and plot experiments were conducted to study the effect on the accumulation of nitrate in rape by applying different kinds of fertilizers and proportions. The results show that nitrogen fertilizer is the main source of the NO3--N in rape.The appropriate combination of N ,P,and K fertilizer can significantly reduce the NO3--N content,and there are big differences in the effect on nitrate by applying different N,P,and K proportions in field and greenhouse conditions.The best amounts of N,P,and K applied in greenhouse is N 225kg/hm2,P205 60kg/hm2,and K2O45kg/hm2,and the proportion of N:P205:K2O is 5:1.33:1.In this way the guaranteed high yield and low nitrate in rape can be obtained.

     

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