Plant growth and nutrient release are directly related . 植物生长量与养分释放量是正相关的关系。
Study of utilization rate of coated urea nutrient release based on non soil culture 桐油包膜尿素在无土基质中的利用性研究
Nutrient release and energy return of fine roots in casuarina equisetifolia plantation 木麻黄人工林细根分解过程中的养分释放及能量归还
Effects of different temperatures on the nutrient releasing characters of apex horticultural release - controlled fertilizers 园艺专用控释肥料养分释放特性的影响研究
Integrating with dynamic function , the hydrodynamic inducement of sediment suspension and a conceptual model for nutrient release from sediment in large shallow lake were suggested 结合水动力作用,提出了大型浅水湖泊水动力作用导致底泥悬浮,从而使得底泥中的可溶性营养物质释放这一内源释放的概念性模式。
So considerable errors might occur if water dissolution rate method was used to estimate the fertilizer efficiency although the method can make quick comparisons of nutrient release rates among different crfs / srfs 水中溶出率虽可以快速比较不同控/缓释肥的溶出速率,但用以估测肥料在田间的实际肥效,则产生较大的误差。
Termed a reactive layer coating membrane ( rlc ) , laboratory evidence suggests a predictable nutrient release since a concurrent absorption of water into , and diffusion of , solubilized fertilizer material out through the highly crosslinked membrane continues until nutrient release is complete ( table 1 ) 对于一种反应层包膜( rlc ) ,实验室研究表明,因为在养分完全释放之前,随着水分吸收,被溶解的肥料通过高度交织的膜不断向外扩散,故养分的释放是可以预测的(表1 ) 。
This paper aimed at present status that most researches assembled in chemical products , adopted different determine methods , represented the transformation characteristic of nitrogen among water and soil of the sulphureous urea , confirmed the nutrient release speed , found out the optimum determine method in agricultural production application 针对目前对缓释肥料释放特性的研究集中在化工制作领域这一现状,采用不同的测定方法,阐明含硫尿素中的养分氮在水及土壤中的转化特点,确定养分的释放速率,以求找出适合农业生产应用的方法。
The structure of fertilizers was studied by scaning electronic microscopy ( sem ) , and the nutrient release characteristics were studied using water dissolution rate method and soil column leaching method . [ result ] the 24 hours n water dissolution rates of sapcus were 18 . 22 % - 83 . 87 % , and n accumulated leaching rates in four weeks were 40 . 91 % - 65 . 38 % , which decreased by 5 . 21 % - 40 . 68 % compared with that of urea under the same experiment conditions 方法以不同类型和吸水倍率的高吸水性树脂为包膜材料,以大颗粒尿素和改性矿物包膜尿素为原料肥料,研制出高吸水性树脂单层包膜尿素、高吸水性树脂复式包膜尿素系列产品,利用电子扫描电镜研究了其结构特征,并以水中溶出率法和模拟土柱淋溶法研究其养分释放特性。