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测土施肥是提高肥料利用率,促进农业增产增收的有效措施.我省化肥生产发展很快,现在每年供给农业生产的化肥达230万吨,全省平均亩施肥量达77斤.但是,平均每斤化肥仅增产粮食2.5斤,有的地方甚至增
Fertilization by soil testing is an effective measure to increase the utilization of fertilizers and increase the yield of agricultural products.Production of fertilizers in our province has been developing rapidly and is now supplying 2.3 million tons of agricultural fertilizers each year and 77 kg of fertilizers per mu in the province.But the average Only 2.5 kg of grain per kilogram of fertilizer production, and in some places even increased