Nitrogen and potassium fertilizer enhanced the nutrient uptakes, and the translocation of ca and Mg from side leaves to heads.
氮肥和钾肥提高结球甘蓝养分元素的吸收数量，促进边叶钙和镁向叶球转移。
The results indicated that net photosynthetic rate (Pn)of lettuces was increased by adding nitrogen and potassium fertilizer and light intensity.
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。
Choose a fertilizer that contains nitrogen, phosphorus, and potassium.
选择含有氮，磷和钾的肥料。
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