自1988年春，陶老乡进行耕作制度和种植业内部结构调整，实行科学种田，旱田改水田，低产变高产，一熟改多熟，将陶老乡自流灌区改种水稻达1．06万亩，单产450－500kg。可是，几年来稻茬麦单产严重下降．正常年景小麦单产只有160－260kg。作者长期通过实地调查研究，从中找出稻 Since the spring of 1988, Tao Lao tillage farming system and the adjustment of the internal structure of farming, the implementation of scientific farming, paddy fields to paddy fields, low-yielding high-yielding, a cooked to more cooked, the Tao old gravity irrigation irrigation area of ​​up to 10,600 mu of rice, yield 450-500kg. However, rice crop yields have been declining seriously in recent years. Normal years wheat yields only 160-260kg. The author through long-term field research, to find rice