A field experiment was conducted to study effects of fertilizer combination on yield, quality and forms of nutrients in leaf of lettuce.
采用田间小区试验研究了不同肥料组合对莴笋产量、品质和叶片养分形态的影响。
Quantitative study on the quantity of nitrogen fertilizer, phosphate fertilizer and potassium fertilizer was conducted through three-element quadric orthogonal whirling combination design.
采用三因素二次正交旋转组合设计对氮、磷、钾肥的用量进行了定量研究。
The applying way of microelements is introduced. The range, usage and dosage of combination of pesticide into fertilizer are also recommended.
同时叙述了补充农作物中微量元素的方式以及药肥合一的使用领域、用法与用量。
The optimum combination program of N, P, and K in the basic fertilizer on the cold type turf was studied by using three factors saturated optimum design and gray game decision method.
运用三因素饱和最优设计与灰色局势评价方法，通过盆栽试验，研究了适合于科尔沁沙地土壤的冷地型草坪基肥的氮、磷、钾营养元素的配比方案。
However, the combination of farm yard manure, straw and chemical fertilizer had different effects on different soil enzymes.
而有机肥、秸秆和化肥之间的配合施用处理的土壤酶活性表现不一致。
The superiorities and characteristics of organic manure have been illustrated in detail in this paper. The combination of organic manure with chemical fertilizer is necessary.
本文详细阐述了有机肥料的优越性及其特点，论证了有机肥料与化肥结合的必要性。
Combination application of mineral fertilizer and manure was the best practice to reduce N2O emission without significant yield reduction.
在产量无显著下降的情况下，有机无机配施的减排效果最好。
Combination application of mineral fertilizer and manure was the best practice to reduce N2O emission without significant yield reduction.
在产量无显著下降的情况下，有机无机配施的减排效果最好。
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