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春季追肥浇水是小麦增产栽培技术的重要组成部分,也是田间管理措施的中心。为了研究肥水条件对小麦生长发育的促进作用和效果,进一步明确不同时期追肥浇水对器官建成的影响,探索合理运用肥水条件、控制小麦生长发育进程、提高栽培管理技术、争取高产的途径,三年来,在系统观察小麦生长发育全过程的基础上,连续进行了春季不同叶龄追肥浇水试验,分析了以春季叶龄为指标的不同追肥浇水时间对小麦根、叶、鞘、茎和分蘖的生长,群体结构的变化动态以及穗分化和籽粒形成、灌浆进程的影响。
Spring top dressing watering is an important part of wheat yield cultivation techniques, but also the center of field management measures. In order to study the promoting effect and effect of fertilizer and water condition on the growth and development of wheat, further clarify the influence of top dressing and watering on organ construction in different periods, and explore the ways of using fertilizer and water rationally, controlling the growth and development of wheat, improving the cultivation and management techniques, In the past few years, based on systematic observation of the whole process of wheat growth and development, the top-dressing and watering experiments of different leaf ages in spring were carried out continuously. The effects of topdressing time of wheat with different leaf top dressing ages on root, leaf, sheath, The growth of tillers, the dynamics of population structure and the effects of spike differentiation and grain formation and filling process.