• The relationship between yield and fertilizer application was studied by means of "3414" method under different amounts of N, P and K applied .

    采用“3414”试验方法研究了油菜在不同氮、钾肥施用量组合,油菜产量施肥关系,应用回归效应方程寻找最优施肥量组合。

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  • This invention relates to the method for synthesizing the derivates of pyrrole-aryl N- oxalic ester and its application.

    发明涉及一种芳基吡咯N-草酸酯类衍生物及制备和应用。

    youdao

  • This invention relates to the method for synthesizing the derivates of pyrrole-aryl N- oxalic ester and its application.

    发明涉及一种芳基吡咯N-草酸酯类衍生物及制备和应用。

    youdao

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