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 invention discloses a humic acid composite slow-release fertilizer and a method for preparing the same.
本发明公开了一种腐植酸复合缓释肥料及其生产方法。
In a pot experiment, the effect of slow release fertilizer (SR) rates on quality and yield of lettuce was studied.
通过盆栽试验研究了不同缓释肥(SR)用量对莴笋产量和品质的效应。
In agricultural production, alkali lignin can be used as pesticide slow release agent to produce slow release fertilizer and soil amendment.
碱木素可作农药缓释剂生产缓释肥料和土壤改良剂等，为工业木素的应用开辟了新的途径。
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。
A lower cost slow-release fertilizer is prepared, and its slow-release capability and release characteristics of nutrient content are studied.
研制了一种低成本缓释化肥，并对其养分缓释性能及养分释放规律进行了研究。
The results show that the coated slow release fertilizer has good slow release effect, simple process for its production and low cost of product.
对小试生产的包裹型缓释肥料进行缓释性评价，结果表明：肥料的缓释性良好，工艺简便易行，生产成本低。
Organic slow-release fertilizer for rice can improve soil structure and fertility, promote growing development, increase yield, quality and fastness.
水稻施用有机生物长效水稻专用肥能改善土壤结构，提高土壤肥力，促进水稻生长发育，提高作物产量，改善品质，提高抗性。
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。
A seedling planter with a compacted straw slow-release fertilizer liner inside comprises a bearing container and a compacted straw slow-release fertilizer liner.
一种内装有压紧秸杆缓释肥内衬的苗木种植器，由承重容器和压紧秸杆缓释肥内衬两部分组成。
The results show that the slow release fertilizer has good slow release effect, simple process for its production , reasonable proportion and low cost of product.
结果表明：该缓释复合肥是一种操作简便，配方合理，生产成本低，缓释性能良好的新型高效肥料。
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。
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。
Slow release nitrogen fertilizers are discussed and evaluated in view of agrochemical considerations: (1) the agrochemical features and the efficiency of slow release fertilizer;
基于化肥的农业化学要求讨论和评价缓释氮肥：（1）缓释氮肥的农业化学特点及其肥效；
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。
Some comments of slow release fertilizer are involved in the concept, classification, manufacturing technology as well as the acting and releasing mechanism, application and evaluation etc.
对缓释肥料的概念、分类、制作方法、作用机理、释放机理、应用和评价等方面进行综述。
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。
In agricultural production, alkali lignin can be used as pesticide slow release agent to produce slow release fertilizer and soil amendment. This provides a new way to utilize industrial lignin.
碱木素可作农药缓释剂生产缓释肥料和土壤改良剂等，为工业木素的应用开辟了新的途径。
The utility model relates to a double cladding layer and double envelope layer spherical fertilizer, which relates to a novel slow release fertilizer and belongs to the technical field of fertilizers.
双包裹层、双包膜层球形肥料涉及一种新型缓效肥料，属于肥料技术领域。
They found that the amount of nitrous oxide produced in streams is related to human activities that release nitrogen into the environment, such as fertilizer use and sewage discharges.
他们发现，溪流中一氧化二氮的数量与人类活动释放到环境中的氮有关，如使用化肥和污水排放。
The nitrogen release character of ZP coated fertilizer and its effect on summer maize were studied by field plot test.
通过田间试验研究了包膜肥料ZP氮素释放特点和在夏玉米上施用效果。
Animal by-product organic fertilizer could release the nutrition slowly, which was in favor of the growth of plant.
动物源有机肥料可以缓慢释放植物所需养分，有利于植株的生长。
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。
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。
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 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 PMS had the best effect on delaying the release of nutrient in organic compound fertilizer.
其中粘结剂PMS对有机复混肥养分的缓释效果最好。
The methods of continuous water extraction and the pot experiment of tobacco are carried out to study the release characteristics and fertilizer effect of promoted-release boron sludge (PRBS).
采用连续浸提、盆栽试验的方法，研究促释型硼泥的养分释放特点及其肥效。
The nutrition release speed of the three coated fertilizer in the medium is significantly lower than the release speed of the normal fertilizer of the same amount of nutrition.
三种包膜肥在培养基中的养分溶出速率明显低于等养分量的普通肥在培养基中的养分溶出速率。
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。
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