The study results show that it is a efficient way to attain early abundant yield and to enhance economic effect by increasing quantity of fertilizer.
结果表明，在沙漠边缘地区，采用密植栽培、增大施肥量是实现枣树早期丰产和显著提高经济效益的有效途径。
The main results were as follows:1. N, K affected pumpkin's growth. In a certain range, plant growth increased when the quantity of fertilizer increased.
在一定的范围内，随氮、钾肥料施用量的增加，西葫芦植株的株高、茎粗及根、茎、叶的鲜重均增加。
A study is made of the evolution of the input quantity and structure of the fertilizer potassium resource on farmland in Henan Province.
对河南省农田肥料钾资源投入数量和结构的演变状况进行了研究。
Through experiment in both small and big area of fields, the author researched the influence on cotton aphid resistance and endurance by different kinds of fertilizer and the applying quantity.
小区试验后，大田试验，观察不同肥类及施肥量对棉株抗蚜和耐蚜力的影响。结果表明：单纯施氮肥会明显降低棉株的抗蚜和耐蚜力，并且随着氮肥量的增加而急骤下降；
The large quantity fertilizer is the main reason of salt accumulation in vegetable plot and fruit ranch .
大棚菜地和果园中化肥的大量施用是起土壤盐类积聚的主要原因。
It appeared that the efficiency of increasing yield and improving quality of crops also concerned with methods and quantity of application microbial fertilizer.
增施微生物菌肥的增产幅度及改善品质的作用与作物品种、微生物菌肥施用量和施肥方法有关。
The function of binary quadric fertilizer effect has been extensively used in China to determine the optimum economy fertilizing quantity.
针对目前国内利用二元二次肥料效应函数确定最佳经济施肥量的数学方法存在的问题。
Organic fertilizer and covering could improve not only quantity but also quality of the tea alcoholic aroma.
有机肥和覆盖不仅能提高醇系香气数量，而且能提高醇系香气质量。
Applying organic manure especially rapeseed cake fertilizer has close relation with the composing of tobacco fragrance quality and fragrance quantity.
施用有机肥特别是菜籽饼肥与烟叶香气质和香气量的形成关系非常密切。
The growth rate and moving biomass of Kentucky bluegrass turf were affected by the quantity of nitrogen fertilizer.
氮肥用量是提高草地早熟禾草坪生长速率和修剪量的主要因素。
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。
Experiment showed that fertilizer application could increase not only the yield of maize but also the quantity of Its roots.
本文通过试验证明了栽培玉米增施化学肥料既可以提高粮食单产，又可随着粮食产量的增加而增多玉米根茬的数量。
Through the rotating, regressive and perpendicular experiment and the deep study of the effect of wheat yield between different fertilizer quantity and density.
本文根据旋转回归正交试验，深入研究探讨了不同肥量、密度条件下对小麦产量的影响。
Through the rotating, regressive and perpendicular experiment and the study of the effect of spring wheat yield between different fertilizer quantity and density.
根据旋转回归正交试验，研究探讨了不同肥量、密度条件下对春小麦产量的影响。
Through the rotating, regressive and perpendicular experiment and study of the effect of wheat yield between different fertilizer quantity and density.
采用旋转回归正交试验，探讨了不同肥量、密度条件下对小麦产量的影响。
A great quantity of heavy metal cause trouble when the sewage is used in agriculture as fertilizer.
大量的重金属离子使得污水污泥在农用过程中产生了副作用。
We have seen the varied characteristic of nutrient residual quantity of slow release fertilizer in soil, Both possess activity of slow release in sand or clay soil.
从缓释肥料在土壤的养分残留量变化特点看出，无论在砂质或粘质土壤中，均具缓释作用。
Although sewage irrigation can provide some nutrients, it was necessary to add proper quantity of nitric fertilizer.
虽然灌溉污水能够提供一定的养分，但对冬小麦适量施用氮肥仍然很有必要。
Objective: To guide production of Saffron better, the effects of planting density and quantity of nitrogen fertilizer on bulb yield were investigated.
前言：目的：探索种植密度和氮肥用量对西红花球茎产量的影响，更好地指导西红花生产。
Objective: To guide production of Saffron better, the effects of planting density and quantity of nitrogen fertilizer on bulb yield were investigated.
前言：目的：探索种植密度和氮肥用量对西红花球茎产量的影响，更好地指导西红花生产。
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