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fertilizer nitrogen

fertilizer nitrogen

fertilizer nitrogen

fertilizer nitrogen

1

Overmuch input of chemical fertilizer (nitrogen and phosphorous ) and pesticide is the main source of the agriculture non-point pollution .

农业生产中化肥和农药的不合理使用是导致农业面源污染的主要源头。

3

What the important reason was superfluous use of Chemical Fertilizer , nitrogen nitrate was not deoxidized and cumulate in vegetable .

究其因，主要是化肥的过量使用，使蔬菜中的硝态氮不能及时还原，累积于体内。

6

Study on Comprehensive Utilization Efficiency of Reducing Fertilizer Nitrogen for Rice

水稻减氮施肥综合效益研究

7

Site-specific Nitrogen Management Increases Fertilizer-nitrogen Use Efficiency in Rice

实地氮肥管理提高水稻氮肥利用效率

9

Effect of application of fertilizer nitrogen, zinc and selenium on zinc nutrition of ryegrass

氮锌硒肥配合施用对黑麦草锌营养的影响

10

Genotype Differences of Fertilizer-Nitrogen Use Efficiency in Waxy Corn

糯玉米氮肥利用效率的基因型差异

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