Nitrogen, phosphorus, potassium are essential macro elements to plant growth, and also commonly used fertilizer in agriculture.
其中氮、磷、钾是植物生长必需的大量元素，也是农业生产中常用的肥料。
Effects of application amount of potassium fertilizer on plant growth, yield and marketability of Jiading Garlic were studied.
试验研究了钾肥不同施用量对嘉定白蒜植株生长、蒜头产量和商品性的影响。
The effect of potassium and manganese fertilizer cooperating application on nutrient content in plant and yield and quality of winter wheat in dryland was studied.
研究了钾锰配施对旱地冬小麦植株养分含量、产量及品质的影响。
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