2009年初濮阳市秋冬连旱对小麦产量形成的影响及防御

摘 要 通过对濮阳市1954-2009年历年11月-次年1月的降水资料进行综合分析发现：自70年代中期以来，秋、冬季节为降水稀少的季节，本地此次干旱是在降水偏少、气温偏高的年代际背景下发生的；在小麦足墒播种，麦苗出苗齐，冬前小麦发育充分，苗情基础好的情况下，在遭受自然灾害后，根部不容易受损，适时加强科学管理，麦苗生长状况会迅速好转,前期的干旱对产量形成无明显的负面影响。

The influence and defense for the forms to the output of wheat by Autumn and winter including drought at the beginning of 2009 Puyang city

Abstract: through Puyang 1954-2009 year all previous years in November and next year January''s precipitation data will carry on the generalized analysis to discover: Since the mid-70s, the fall, the winter season for the precipitation scarce season, the local this drought have been in the precipitation are few, under the temperature high age border background to occur; In wheat full soil moisture sowing seeds, the young wheat emerges neat, the winter ago the wheat growth is full, in the status of seedling growth foundation good situation, after suffering the natural disaster, the root is not easy to suffer injury, at the right moment will strengthen the scientific management, the young wheat growth condition will change for the better rapidly, the preliminary drought will form not obvious negative influence to the output.