摘要
介绍包膜肥料问世的历史条件、包膜肥料的基本结构、制造工艺、缓效作用等。
This paper describes the historical conditions of development,basic structure, manufacturing technology,and slowly effective action of coating fertilizer.
关键词
包膜肥料
基本结构
制造
缓效
Coating fertilizer
Basic structure
Manufacture
Slow effect