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以新陆早6号为材料,研究了新疆棉区棉花苗期、蕾期、开花期根系在土体中的分布状况;不同土质、不同产量条件下,开花期根系在土体不同深度的根量及其比例。从根系发育、分布规律中看出,苗期根系已布满耕层,主根入土垂直深度达35cm;开花期主根入土深度达123cm,大量根系分布在0~60cm土层。因此,棉田要重施基肥,改良土质,注意洗盐、压盐等栽培技术措施,促使土壤有效养分库的理化性质朝最佳方向发展。
With Xinluzao 6 as material, the distribution of root system in soil at seedling stage, bud stage and flowering stage in Xinjiang cotton area was studied. Under different soil quality and yield, the root system at different flowering stages Volume and its proportion. From root development and distribution, we can see that the root system of seedling has been covered with plow layer. The vertical depth of main root into soil is 35cm. The depth of main root in flowering stage reaches 123cm, and a large number of roots distribute in 0 ~ 60cm soil layer. Therefore, the cotton field to re-apply base fertilizer, soil improvement, pay attention to salt washing, salt and other cultivation techniques and measures to promote the physical and chemical properties of soil nutrients in the best direction.