2016—2017年度山东济阳冬小麦全生育期气象条件分析

Analysis on Meteorological Conditions of Whole Growth Period of Winter Wheat in Jiyang of Shandong Province during 2016-2017

利用山东省济阳国家农气基本站2016—2017年度冬小麦全生育期的实测资料,探讨了冬小麦主要发育期有利气象条件,评价了气象条件对冬小麦生长和产量的影响。结果表明,2016—2017年度济阳越冬前积温足,墒情好,冬小麦平均分蘖和次生根较上一年偏多,小麦安全越冬;返青后至抽穗期间气温偏高,光照足,降水多,利于冬小麦返青后快速生长;灌浆期间气象条件有利于小麦灌浆和增加千粒重。

Using the data of the whole growth period of winter wheat in Jiyang National Agricultural Basic Station of Shandong Province during 2016 - 2017, the favorable weather conditions of winter wheat in main developmental stages were discussed and the effects of meteorological con-ditions on the growth and yield of winter wheat were evaluated. The results showed that accumulated temperature enough and soil moisture good before winter in Jiyang during 2016 -2017. The average tiller and secondary root of winter wheat were more than that of the previous year, and winter wheat was safe. The temperature was high during the time of returning to the ear, the light was sufficient, the precipitation was much, it was beneficial to the rapid growth of winter wheat ; the weather conditions were good for the wheat grouting and the increase of 1 000 - grain weight.