论文部分内容阅读
北疆芳草湖垦区地处准噶尔盆地南缘,属干旱半干旱气候,年有效积温和光照条件较好,是我国优质陆地棉生产的重要商品棉基地,种植陆地棉面积超过2万多 hm~2。近几年来棉田出现中后期早衰的情况较为普遍,造成棉株中、上部蕾铃大量脱落,吐絮不畅夹壳,僵瓣、僵尖增多,严重影响了棉花的产量和品质。
The northern grassland Lake reclamation area is located in the southern margin of Junggar Basin, is arid and semi-arid climate, the effective accumulated temperature and light conditions are good, is China’s high-quality land cotton production, an important commodity cotton base, planting cotton area more than 20,000 hm ~ 2. In recent years, cotton fields appeared in the late period of premature decline is more common, resulting in a large number of cotton plants, the upper part of a large number of fall off, bolting flocculent shell, stiff petals, stiff tip increased, seriously affecting the yield and quality of cotton.