... 氮磷钾肥 azophoska ; NPK ; HPKnitrogen phosphorrs and potassium 氮磷钾肥料 npk fertilizer ; NPK 氮磷钾复合肥 NPK ...
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氮磷钾肥料 npk fertilizer ; NPK
氮磷钾肥料试验 NPK fertilizer experiment
氮磷钾肥效应 effects of NPK fertilizers
氮磷钾复合肥 NPK ; Nitrogen-Phosphorus-Potassium mixed fertilizer
腐殖酸氮磷钾复合肥 NPK Humate Compound Fertilizer ; humic acid n-p-k compound fertilizer
氮磷钾有机肥料 [肥料] npk organic fertilizer
氮磷钾化肥 DNPK
氮磷钾三元复混肥 nitrogen phosphorus potassium compound fertilizer
氮磷钾硼肥 NPKB Fertilizer
通过大田试验研究了氮磷钾肥对南板蓝穿孔病危害程度的影响及该病的防治措施。
The effects of nitrogen, phosphor and kalium on the hazard index of holing illness and the prophylactic-therapeutic measures has been studied while the field experiment had been applied.
采用田间试验和室内化验相结合的方法，研究施用化学氮磷钾肥对大豆植株氮磷钾含量的影响及植株氮磷钾含量与产量之间的关系。
The field test and lab analysis were used to study the effect of fertilizing on contents of nitrogen, phosphorus, and potassium of soybean plants and the relation of yield and them.
采用三因素二次正交旋转组合设计对氮、磷、钾肥的用量进行了定量研究。
Quantitative study on the quantity of nitrogen fertilizer, phosphate fertilizer and potassium fertilizer was conducted through three-element quadric orthogonal whirling combination design.
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