论文部分内容阅读
我县位于辽东半岛中部,冬季气温日平均为-5.1—-6.9℃,最低为-16至-19℃。为了减少冬春干寒对越冬小麦的不良影响,我们从1974年开始试验推广冬小麦沟播,经5年的小区试验和大面积生产实践,收到良好效果。据,3年6点调查,沟播小麦平均亩产为578.7斤,比畦播(亩产502斤)增产15.3％,早地增产为16—33.7％,水浇地0.18—23.1％。遭受冻害严重的1977年,增产效果更为明显,沟播比畦播增产23.1—33.7％.1979年全县沟播面积已达到小麦总面积的26％。
My county is located in the central Liaodong Peninsula, the average daily temperature in winter -5.1--6.9 ℃, a minimum of -16 to -19 ℃. In order to reduce the adverse effects of winter, spring and cold on overwintering wheat, we started to experimentally popularize the winter wheat sowing and broadcasting in 1974. After 5 years of plot testing and large-area production practices, we received good results. According to the survey conducted at 6:00 in 2003, the average yield per mu of sowing wheat was 578.7 kg, 15.3% more than that of sowing sowing (502 kg per mu), 16-33.7% of that of early sowing and 0.18-23.1% of irrigated land. Severe frost damage suffered in 1977, the effect of increasing production is more obvious, sowing than sowing increased yield 23.1 - 33.7% .1979 sowing area of the county has reached 26% of the total area of wheat.