Ideal Fertilizer-Release Reduced/Release Controlled Fertilizer in 21th Century

Author has described the demarcation standard and test method for environmental type of release reduced /release controlled chemical fertilizer, introduced the production enterprises of this fertilizer outland, product kind and present situation of application; analyzed the research, production and application situation for the release reduced /release controlled fertilizer in China; the result shows when release controlled fertilizer is adopted for water paddy ,the utilization rate of fertilizer can be increased by 6.7%～17.4%, the price is lowered by 70% than that of same kind of product in foreign country.