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《Phosphate & Compound Fertilizer》 2006-06
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Prospects for the production and application of slow and controlled release fertilizers

XU Xiu-cheng(Editorial Department of Phosphate & Compound Fertilizer,Zhengzhou,Henan 450002,China)  
As one of the priority in China for the science and technology development in the middle and long term,the slow and controlled release fertilizers are discussed from the reasons on high consumption and low application effect of the current nitrogen,phosphorus and potassium fertilizers.The varieties and specifications of slow and controlled release fertilizers,as well as their total output and consumption in the world are also described. By estimate,the global production and consumption of the slow and controlled release fertilizers is less than 1 million t/a in 2005,in a broad sense,the global production and consumption is about 1.2 million t/a,including the coating,coated and capsulated fertilizer with some slow and controlled release function for the application in the field corp.Viewing the production and consumption prospect of the slow and controlled release fertilizers,the product price is a constraint factor in the international market,meanwhile the farmers' request to the fertilizer with the fast available,instant soluble and quickly scattered characteristics is a thought obstacle in China for spreading the slow and controlled release fertilizer,so the reduced productive cost and changed farmers' understanding are the conditions for the fast development of slow and controlled release fertilizer in China.
【CateGory Index】: F426.7
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