The struvite can be made as the controlled release fertilizer, which has good economic benefit.
作为缓释肥，具有良好的经济效益。
The relationship between vapor pressure difference and rate of nutrient release from film coated controlled release fertilizer was discussed.
研究了水蒸气压差与包膜型控释肥料养分释放速率的关系。
The invention relates to an aqueous polymer coating agent, a coating controlled release fertilizer containing the coating agent and a preparation method thereof.
本发明涉及一种水性聚合物包膜剂以及包含该包膜剂的包膜控释肥料及其制备方法。
The study was conducted to explore the effect of different kernel fertilizers and coating thickness on nutrient release characteristics of controlled release fertilizer(CRF).
探索核芯肥料、包膜厚度与包膜完整性、控释肥养分释放特性的关系，为控释肥的研制提供理论依据。
To initiate the release nutrients, a certain amount of water needs to permeate into the film-coated controlled release fertilizer, HCRF-S70 needs more water to permeate than HCRF-E50.
为了养分的开始释放，需要一定量的水分透入包膜肥料内，HCRF - S70需要透入的水比HCRF - E50的多。
However, the application of controlled release fertilizer is limited by its high cost and environmental pollution brought from membrane materials of synthesized polymer with low degradation.
但是现有控制释放氮肥因大多成本过高并且控制释放膜使用的膜材料多为难降解的合成高分子材料而限制了其大规模应用。
The experiments of fertilizer effects between controlled release urea(CRU) and common urea on summer wheat Zhengmai 366 are studied.
采用控释尿素和普通尿素两种氮素肥料进行优质小麦郑麦366肥效试验研究。
The result showed: Among all examined fertilizers, the nutrient release rate of urea was the highest and that of controlled release nitrogen fertilizer was the lowest.
研究结果表明：控释氮肥养分释放速率最低、肥效最长，与尿素相比可改善运动场草坪的外观品质；
The releasing rules of controlled-release urea were investigated by fluorescence photometry method, also yield and fertilizer-saving effects in wheat fanning were examined.
以紫外分光光度法对控释尿素的释放规律进行了测定，结合大田试验考查了控释尿素的增产、节肥效果。
Effect and economical benefit of controlled-release nitrogen fertilizer application on late rice in different basic fertility of paddy soils was studied.
探讨了不同肥力水平水稻土与水稻控释氮肥对晚稻的应用效应及经济效益。
The results show that yield increase effect and economic benefit of controlled release N fertilizer application decrease in lower, medium and higher fertility paddy soils in proper order.
结果表明：在较低、中等和较高肥力稻田上，施用控释氮肥的增产效果和经济效益依次递减；
An encapsulated controlled release complete fertilizer adaptable to lawns has been developed successfully at home. It is a granular product with good spreading properties, made by a unique process.
介绍了国内开发成功的适用于草坪使用的全营养包裹型缓释肥料，系采用独特的工艺制成的具良好撒布性能的颗粒状产品。
This paper introduced the effect of correcting iron deficiency disease on the peach trees with the methed of controlled the release iron fertilizer to the roots.
本文介绍了袋装控释铁肥压根法矫治桃树缺铁黄叶病的效果。
The invention relates to fertilizer slow release and controlled release technology, in particular to a humic acid slow release and controlled release technology.
本发明涉及肥料缓释控释技术，具体的说是一种腐植酸缓释控释技术。
The effects of coated controlled-release nitrogen fertilizer (CRNF) on corn yield increase are studied.
采用包膜控释氮肥在玉米上进行肥效试验研究。
The effects of coated controlled-release nitrogen fertilizer (CRNF) on corn yield increase are studied.
采用包膜控释氮肥在玉米上进行肥效试验研究。
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