缓释肥料脲甲醛的研究进展

脲甲醛是世界上研究最早、使用量最大的缓释肥料,与传统氮肥相比,具有肥效长、环保、节能、节约劳动力和成本低等优点.概述了缓释肥料脲甲醛的肥性特点、用途、研究意义、物化性质及合成原理,并阐述了缓释肥料脲甲醛生产工艺、参数和国内外的研究历史与现状.指出了脲甲醛肥料存在的问题及未来的发展方向,并为脲甲醛肥料的发展提供参考意见.

The research progress on the slow release fertilizers of urea formaldehyde

The urea formaldehyde fertilizer was the earliest studied and the largest used slow release fertilizer in the world.Compared with traditional nitrogen fertilizer,there are long fertilizer effect,protection environment,saving energy,reduce labor forceand cost,etc.The nutrient feature,purpose,significance,characteristics,synthesis principle of urea formaldehyde slow release fertilizers were summarized,in order to elaborate the production technique,technology parameter,history,and status of urea formaldehyde fertilizers.It also pointed out existing problem and the future development direction of urea formaldehyde fertilizers,and provided a reference for the development of urea formaldehyde fertilizer.