氮钾复合肥料 nitro potash complex fertilizer
氮钾粒肥 NK Granular Fertilizer
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
始穗期氮钾营养 nitrogen and potassium at initial heading stage
氮钾肥料 nitrogen potassium fertilizers
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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.
采用三因素五水平最优回归设计，研究了黄泥土配施氮钾硫肥对大白菜产量和硝酸盐含量的影响。
An optimum regression design with three factors and five levels was adopted to find the effects of n, K and s fertilizers on the yield of Chinese cabbage and the nitrate content in its plant.
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