沅江市推广机械化化肥深施技术成效显著黎峰湖南省沅江市地处洞庭湖区，是国家重要的粮食生产基地，全市有耕地面积７１．４万亩，其中水田面积５１．３万亩，水稻是该市的主要农作物。如何提高化肥的利用率，达到降低农业生产成本，提高粮食产量的目的是该市农技和农机部... Yuanjiang City, the promotion of mechanized fertilizer deep facilities significant effect Li Feng Yuanjiang City, Hunan Province is located in Dongting Lake area, is the country’s major food production base, the city has arable land area of ​​71.4 hectares, of which paddy field area of ​​513,000 mu, rice is The city’s main crop. How to improve the utilization rate of chemical fertilizers, to reduce agricultural production costs, improve food production is the purpose of the city’s agricultural and agricultural mechanization ...