| 不同气候生态棉区化学调控适宜期的试验及其应用 |
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| 引用本文： | 薛晓萍,史可琳,王建林.不同气候生态棉区化学调控适宜期的试验及其应用[J].应用气象学报,1998,9(3):371-375. |
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| 作者姓名： | 薛晓萍 史可琳 王建林 |
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| 作者单位： | 山东省气象科学研究所，中国气象科学研究院 |
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| 基金项目： | 山东省气象局“八五”重点科技攻关课题 |
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| 摘 要： | 在山东省气候条件下，棉花生长发育主要受热量条件制约．由积温推算出在不同气候生态棉区以及不同品种、种植方式、密度和产量水平下的棉田物候期，由此得到相应棉田各次化调期，可改变田间小气候，提高成铃率１０％～１５％，单铃重增加０．３～０．９ｇ，使棉田因蕾期缩短而改变播期及种植品种，扩大麦棉两熟种植区域，提高棉花品质．
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| 关 键 词： | 气候生态 棉区 化学调控 积温 产量 |
The Experiment on Suitable Stages of Chemical Controlling in Cotton Growth Areas with Different Climatic Ecology Conditions |
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| Institution: | 1) (Shandong Research Institute of Meteorological Science, Jinan 250031); 2) (Chinese Academy of Meteorological Sciences, Beijing 100081) |
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| Abstract: | Under the climatic conditions in Shandong Province, cotton growth and development are mainly restricted by heat conditions. By means of phenological stages of cotton fields calculated by accumulated temperature for cotton growth areas with different state of climatic ecology, different varieties, planting ways, density and yield levels of crop, the suitable chemical controlling stages are determined, which could change the microclimate of cotton fields, raise 10%~15% of mature boll and 0.3~0.9 g of one boll weight, and change seeding time and varieties because of shorter button stage, expand areas of double cropping with wheat and cotton, and improve cotton quality |
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| Keywords: | Climatic ecology Cotton growth area Chemical controlling Accumulated temperature Yield |
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