一、问题的提出铜仁县双季稻生产,经历了一个由少到多,又由多到少的过程。早在1956年省农业厅工作组就在瓦屋公社司前坝子试种362亩双季稻。早稻品种莲塘早,晚稻是红米冬粘。限于当时的农业技术条件,两季合计亩产450多斤,仅比一季中稻增产50多斤,未能推广。70年瓦屋公社、谢桥公社又试种了80 First, the question put forward Tongren double crop rice production has experienced a process from less to more, from less to more. As early as 1956, the Provincial Department of Agriculture Working Group tried to plant 362 mu of double-cropped rice at Shiba Bazi, Wawu commune. Early rice varieties Lian Tang early and late rice is red rice winter sticky. Limited to the agricultural conditions at that time, the total yield per mu in the two quarters was 450 kilos, an increase of more than 50 kilos more than in the middle quarter of a quarter and was not promoted. 70 years tile house commune, Xieqiao commune has tried 80