Consequently, it is necessary that how to apply phosphate fertilizer rationally and raise the utilization ratio of phosphate fertilizer.
因此，研究保护地番茄磷肥的合理施用，提高磷肥利用率已成为迫切需要。
Tillage treatments affect soil nutrient in soil profile, soil nutrient content, and fertilizer use ratio.
不同耕作处理能影响土壤养分的剖面分布和养分含量及肥料的利用效率。
By the contrast experiment of 2bmd-12 specific row No-till dill and JD1590 No-till drill in their straw covering field, the capacity of apply fertilizer and ratio of performance and price.
对2bmd- 12型小麦对行免耕播种机和美国JD 1590型进行了对比实验，内容包括机具适应的地表秸秆覆盖情况、施肥能力以及性能价格比等。
Sink: source ratio could be affected by plant density or fertilizer supply level.
库源比既受肥料水平的影响，也受密度的影响。
The fertilizer treatment of N75P200K50 also has the best economic benefit with a ratio for input and output of 1 to 2.2 and a NPV of 25.96%.
以最佳施肥处理N75P200K50的经济效益最好，投入与产出比为1∶2．2，与施肥量最高的处理相比，投入少，产出大，内部收益率为25．96％。
An encapsulated grain fertilizer with high nucleation ratio is produced in an industrial production unit, and the quality of the product conforms to the requirements of the GB15063-2001 standard.
在工业生产装置上生产出成核率较高的包裹型口肥，产品质量符合GB15063- 2001标准要求。
The purpose is to determine the speed of the eluviation and release, as well as the release difference of the different mass ratio fertilizer that releases more slowly.
目的主要测定缓释肥料的淋溶释放速度，以及比较不同质量比的缓释肥料的释放差异。
In order to obtain high-yield, fertilizer unreasonable, excessive use of fertilizers, nitrates are too high, and low input-output ratio problem.
为获得高产，化肥使用过量，施肥不合理，硝酸盐过高，投入产出比低等问题。
It releases the speed and is only the influence of the temperature of soil (or the host) grows by the plant, release and absorb unifying harmoniously, thus improve the fertilizer utilization ratio.
其释放速度只受植物生长土壤(或基质)温度的影响，释放与吸收和谐统一，从而提高肥料利用率。
The paper analyzes the main control of urea-based compound fertilizer the ratio of liquid urea and dry pow-der material.
分析了尿基复合肥中的关键控制，尿基与干粉物料的配比，详细介绍了双闭环比值控制系统的设计；
There were no significantly effect on the leaf-stem ratio (LS) and early water content of alfalfa among different mixed trace element fertilizer treatments in field trail.
不同微肥配方对田间基施紫花苜蓿叶茎比和初水分含量影响差异不显著。
According to the research of the accumulation of dry matter and carbon-nitrogen metabolism which are affected by the ratio between basal fertilizer and top-dressing, the results show that, 1.
通过对不同基追肥比例对烤烟干物质累积和碳氮代谢的影响研究，结果表明：1。
K fertilizer efficicency on various crops seemed to de relevant to N/K ratio in the available nutrient of soil.
不同作物施钾肥效高低似与土壤速效养分中N/K比值有关。
The utilization ratio of phosphate fertilizer in potatoes was negatively correlated to available phosphorus in soil.
马铃薯磷肥利用率与土壤速效磷含量呈负相关。
So the utilization ratio of the corn's special complex and mixed fertilizer treating modified-bentonite as carrier is raised 15.5% than the equal nutrient general fertilizer.
施用改性膨润土载体玉水专用复混肥比等养分量普通肥料利用率提高15.5%。
Low level nitrogen fertilizer maked the yield of strawberry fruit to decline, but it maked the single fruit weigh to improve greatly, and improve the ratio of commodity fruit significantly.
低量氮肥处理虽然产量较低，但大大提高了单果重，明显增加了草莓果实的商品果率。
The maximum nitrification ratio of fertilizer N in soil is up to 20%-42%, according to the soil fertility and rate of fertilizer N applied.
氮肥中N在土壤中的净硝化率最高达42％，因土壤肥力和施N量不同而异。
The result showed that proper N-P-K ratio fertilizer improved seedless wampee's yield significantly;
结果表明：适宜氮磷钾配比可以显著的提高无核黄皮的产量；
The result showed that proper N-P-K ratio fertilizer improved seedless wampee's yield significantly;
结果表明：适宜氮磷钾配比可以显著的提高无核黄皮的产量；
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