氮钾复合肥料 nitro potash complex fertilizer
氮钾粒肥 NK Granular Fertilizer
氮钾有机肥料 [肥料] nk organic fertilizer
氮钾配施 Nitrogen potassium matches
叠氮化钾 potassium azide ; Kaliumazid
氮钾复混肥料 N K compound fertilizer
氮钾二元复混肥 Potassium nitrogen mixed fertilizer
氮钾营养 Nitrogen and potassium nutrition
氮磷钾 NPK ; nitrogen phosphorus potassium ; n
·2,447,543篇论文数据，部分数据来源于NoteExpress
研究结果表明，冻融交替作用对黑土有机质、氮钾及酶活性产生重要的影响。
The experiments results show that the effect of alternative freezing and thawing has a great influence on the organic matter, nitrogen nutrition, potassium nutrition and soil enzyme activities.
通过盆栽试验研究了增施氮钾和光照强度对不同品种莴笋光合特性和产量的效应。
The results indicated that net photosynthetic rate (Pn)of lettuces was increased by adding nitrogen and potassium fertilizer and light intensity.
上述研究结果说明，冻融交替作用对黑土土壤有机质、氮钾和酶活性产生重要影响。
The above results show that, the effect of alternative freezing and thawing has a great influence on the soil organic matter, soil nitrogen, soil potassium and some soil enzymes.
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