A study was conducted on the physical and chemical characteristics of coatings and mechanism of nutrient slow release of water-absorbent coated urea (WACU).
本文中作者对研发的一种保水缓释包膜尿素肥料的包膜物理化学特征，养分缓释机制进行了研究。
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。
Spring wheat pot experiments were used to study the slow release effect and mechanism of palygorskite coated fertilizer.
为研究坡缕石包衣肥的缓释效应及机理，以春小麦为指示作物进行了盆栽试验。
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