化肥深施是一项节本增效的农业工程技术，被国家列为重点推广的新技术之一，目前，水田农户施肥通常是人工将化肥撒在地表上，肥料利用率很低。近几年随着化肥在农业投入上的逐渐增大，提高肥料利用率的问题引起农民的高度重视，水田农户开始采用化肥深施技术，即用畜力犁... Fertilizer deep application is a cost-effective agricultural engineering technology, which is listed as one of the key new technologies in the country. At present, fertilizers in paddy fields are usually manually sprinkled on the surface of fertilizers, and the fertilizer utilization rate is very low. In recent years, with the increasing input of fertilizers in agriculture, the issue of improving the utilization rate of fertilizers has attracted great attention from peasants, and paddy fields have begun to adopt the technology of deep fertilizers, that is, animal plows ...