粮食生产要上新台阶,肥料是关键的增产措施。据各地土壤普查数据表明:大部份水田长期偏施氮肥,有些地区、有些田块缺乏磷钾素严重,尤其是缺钾。各地在大面积推广中低产田改造需用磷钾肥料数量大,而化肥厂生产量满足不了需求,为解决磷钾肥的不足,可采用如下新的 Food production to a new level, fertilizer is the key to increase production. According to the soil census data from all over the country, most paddy fields have long been applying nitrogenous fertilizers. In some areas, some fields lack of P and K, especially potassium deficiency. In large areas to promote the transformation of low-yielding fields need to use a large number of phosphorus and potassium fertilizers, and fertilizer production capacity can not meet the demand, in order to solve the lack of phosphorus and potassium, the following new