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ma ling shu zhong hou qi de tian jian guan li
Author(s): 
Pages: 25
Year: Issue:  5
Journal: Well-Off Life

Keyword:  田间管理马铃薯生长马铃薯高产关键时期中后期土壤肥力块茎植株徒长多效唑培土;
Abstract: <正> 马铃薯生长中后期,是夺取马铃薯高产的关键时期。田间管理应重点抓好四项:(一)、适当培土。当马铃薯生长中期,气温逐渐上升,在肥水充足的条件下,块茎迅速膨大,为防止块茎外露变绿,应结合第二次中耕除草进行培土,培土厚度以3—5厘米为宜;(二)控制植株徒长,如果土壤肥力高,雨水多,植株有徒长趋势(即节间长,叶片大,枝叶显著嫩弱),则可喷施0.1%的矮壮素(C、C、C、)溶液或50—100mm 的多效唑
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