条件筛选
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Fertilizer is not a case of the more the better; rational fertilization is more important
In a broad sense, China has a history of more than 10 years of slow and controlled release fertilizer production. However, among those currently promoted and applied with relative success are only the urease inhibitor stabilized nitrogen fertilizer from the Shenyang Institute of Applied Ecology, Chinese Academy of Sciences, the fertilizer-coated fertilizer type slow release fertilizer using a patent from the School of Engineering of Zhengzhou University, the slow release rice fertilizer from the Soil and Fertilizer Institute of the Guangdong Academy of Agricultural Sciences, and Shanghai Han...