济宁市任城区地处南四湖之滨，常年种植水稻20万亩左右。稻茬麦单产约350kg／亩，有的年份单产达400kg左右，和当地旱茬麦不分上下。近年来，由于湖水位较高、土壤透气性差、冬前苗弱等因素的限制，加之生产上管理不够科学，影响了稻茬麦产量的进一步提高。为此，我们于1993－1 Jining City, Rencheng District is located in the Nansi Lake, perennial planting of about 200000 acres of rice. Rice crop yields of about 350kg / mu, some of the year yield of about 400kg, and the local dry wheat regardless of the upper and lower. In recent years, due to the high water level, poor soil permeability, weakness and other factors before winter, coupled with insufficient scientific management of production, affecting the further improvement of rice yield of wheat. To this end, we in 1993-1