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2006年以来,卢龙县针对甘薯施肥中存在的问题,采用新的技术手段,有针对性地推广配方施肥技术,取得非常显著成效。四年来累积推广甘署配方施肥面积达89万亩,平均亩增产275.5公斤,增产率为14%,平均亩增收节支194.7元。一、甘薯施肥存在的问题1、有机肥施用量不足。由于养殖方式的转变,很多农民不再养殖畜禽,导致有机肥资
Since 2006, Lulong County in response to the problems of sweet potato fertilization, the use of new technical means, targeted to promote the technology of formula fertilization, and achieved very significant results. In the past four years, a total of 89 hectares of formula fertilization area has been popularized and popularized. The average mu yield increased by 275.5 kg and the yield increase rate was 14%. The average yield per acre was reduced by 194.7 yuan. First, the problems of sweet potato fertilization 1, lack of application of organic fertilizer. Due to the change of farming methods, many farmers no longer raise livestock and poultry, resulting in organic fertilizers