过去我们大队都是一种一收。在深入开展农业学大(?)的群众运动中,在大搞农田基本建设、做到旱能浇、涝能排的基础上,我们对耕作制度进行了改革,改一种一收为两种两收或三种三收。一种做法是扩种夏薯、杂交高粱和杂交玉米,产量逐年确有增加。但是茬口不好,不能适时种麦,影响来年麦季收成。经试验,我们采用从外地引来的一种秆矮抗倒、生长期短、种麦茬口好的谷子品种进行夏播,上季小麦可收四、五百斤,秋季夏谷可收五、六百斤。1973年全队种夏谷720亩,在阴雨连绵,对谷子授粉极为不利的条件下,亩产510斤。其中80亩丰 In the past our brigade was a kind of income. On the basis of further popularizing the mass education of agriculture (?) In large scale, we will reform the farming system on the basis of vigorously popularizing the farmland infrastructures, Two or three received three. One approach is to expand the production of summer sweet potato, hybrid sorghum and hybrid corn, the output has indeed increased year after year. However, stubble is not good, can not be timely wheat, wheat harvest next season. After the test, we adopt a straw stubbornly introduced from the field, short growth period, good varieties of cereal straw for summer sowing, the previous season wheat can receive four or five pounds, autumn and summer can receive five, Six hundred pounds. In 1973 the team planted 720 acres of Summer Valley, in the continuous rain, pollination of millet is extremely adverse conditions, yield 510 pounds. Of which 80 acres of abundance