缓释氮肥 meaning in Chinese

slow-release nitrogen fertilizer

The paper introduces technological process and product characteristics of controlled release crop specialty compound fertilizer blended with film - coated urea and organic - inorganic compound fertilizers , discusses feature of n release in soil and crop utilization efficiency of film - coated urea and controlled release organic - inorganic blending fertilizer , expounds screening basis and recommended formulas of specialty compound fertilizer for main cash crops , and put forwards the existing problems and further research direction in this field
摘要概述采用包膜缓释氮肥与有机无机复混肥掺混创制养分释放可调控型作物专用肥的工艺流程及产品的技术性能，探讨了包膜缓释氮肥及控释型有机无机掺混肥在土壤中的氮素释放特性及当季作物的利用效率，阐述了主要经济作物专用肥筛选的依据、系列产品的推荐配方及应用效果，提出了本项技术目前存在的主要问题及今后的研究方向。