近年在夏谷生产中普遍出现倒伏和“三病”(锈病、谷瘟病、褐条病)造成枯秸减产。群众反映夏谷往往是五、六百斤的长相,二、三百斤的产量,这正是“一倒三病”造成的结果。这种反映说明只要解决丁夏谷“一倒三病”问题,是大有增产潜力的。为什么倒伏?这是夏谷的谷根生长特点和环境条件的影响造成的,在一般情况下,夏谷播种后三天出士,七天就札根起身,离开地皮。半个月就长出五、六个叶,两层根 In recent years, the summer valley production generally lodging and “three diseases” (rust, rice blast, brown stripe disease) caused by dry straw production. The masses reflect Summer Valley is often five or six pounds of looks, two or three pounds of output, which is the result of “one fall and three diseases.” This reflection shows that as long as the problem of “one fall and three diseases” in the Dingxia Valley is solved, there is great potential for increasing production. Why lodging? This is the valley’s summer root growth characteristics and environmental conditions caused by the impact of the general situation, summer Valley three days after sowing, seven days to Zhangen got up and left the land. Half a month to grow five or six leaves, two roots