In drought soil, CCU has a better nutrient release characteristic than polymer coated urea.
CCU在干旱的土壤中表现出优于聚合物包膜肥料的养分释放特性。
Experiments and researches are carried out on the nutrient release characteristics of polymer-sulphur coated urea (PSCU).
对聚合物硫包尿素(简称PSCU)产品的养分释放特性进行了试验研究。
Also, the influences of the ratio of rosin to paraffin wax in coating, and of coating weight on the nutrient release rate were discussed.
分析了松香与石蜡的配比、涂层量对包膜尿素养分释放速率的影响。
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。
Compared with birch leaves, mixed leaves had a significantly higher substrate quality and showed a substantially faster decomposing rate and nutrient release rate.
在同一林型内，底物质量高的混合叶片其分解率和养分元素释放率均大于底物质量低的白桦叶片；
Experimental results indicate that the rosin content in the coating and film thickness are the main factors influencing the nutrient release rate of the encapsulated urea.
实验结果表明：涂层中松香的含量及包膜量(膜厚)是影响包膜尿素养份释放速率的主要因素。
Delay in the release from the sigmoid-type HCRF-S70 is due to its larger amount of water requirement to start the nutrient release as compared to the exponential type HCRF-E50.
与指数曲线形的HCRF - E50相比较，S曲线形的HCRF - S70养分释放推迟是由于养分开始释放时所需水分量较大。
The results showed that pelletization of normal compost could decrease nutrient release rate to some extent. Hence, the compost pellet was suited with crops for long growth period.
结果表明，粉状堆肥经颗粒化处理后，养分释放速度变缓，适合在生长期较长的农作物上施用。
It briefly formulizes the measuring method, the release principle and the effect factors on the nutrient release of CRFs, and points out the existing problems and the newest development.
对控释肥料养分释放的测定方法、释放机理和及其影响因素作了简要阐述，并指出研究中存在的问题和最新进展。
The ammonia volatilization reduction of humic acid urea correlated significantly with its nutrient-release mode and soil ambient.
腐植酸尿素降低氨挥发量与其养分释放模式和形成的土壤环境密切相关。
The nutrient-release characteristics of controlled-release nitrogen fertilizers (CRNFs) under experimental conditions were studied by different simulated methods.
本文研究了不同室内模拟试验条件下控释氮肥的养分释放特征。
The nutrient-release characteristics of controlled-release nitrogen fertilizers (CRNFs) under experimental conditions were studied by different simulated methods.
本文研究了不同室内模拟试验条件下控释氮肥的养分释放特征。
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