NPK fertilizer experiment 氮磷钾肥料试验
imported npk fertilizer 进口复合肥
npk fertilizer application 氮磷钾肥配合施用
coated npk fertilizer crf 包膜复合肥料
nitro based npk fertilizer 硝基npk
npk organic fertilizer 氮磷钾有机肥料
NPK Humate Compound Fertilizer 腐殖酸氮磷钾复合肥
NPK chemical fertilizer NPK化肥
npk compound fertilizer npk复合肥
I know when the word fertilizer is mentioned, we usually refer to NPK fertilizers.
我知道，说到肥料，我们通常指的是氮磷钾。
The analysis to pollution criterion of NPK fertilizer plant shows that the current standards cannot cover all the limitation of pollutant discharges.
对NPK复合肥工厂污染物排放标准的分析表明：现行的有关标准不能涵盖其污染物排放的限制。
An experiment was carried out to study the effect of NPK fertilizer, micro-element fertilizer, organic fertilizer application on the yield and nutrient quality of Alfalfa Medicago sativa l.
研究氮磷钾肥、微肥、有机肥三者配施对紫花苜蓿饲草产量和品质的影响。
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