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水肥状况对沙地小麦灌浆的影响

The effect of water and fertilizer features for wheat’s grouting on sandy land

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【作者】 王辉杨占平李保昌孔祥旋龚瑞霞

【Author】 WANG Hui~1, YANG ZHan-ping~2, LI Bao-chang~1,KONG Xiang-xuan~2, GONG Rei-xia~3 (1. Henan School of Water Conservancy and Hydroelectric Power, Zhoukou 466001 China;2. Soil and Frertilizer Institute Henan Academy of Agricultural Sciences, Zhengzhou 450002, China;3.Henan Huangfan State Farm,Xihua 466600 China)

【机构】 河南省水利水电学校河南省农科院土肥所河南省黄泛区农场 河南周口 466001河南郑州 450002河南周口 466001河南西华 466600

【摘要】 通过对不同品种、不同水肥条件和不同砂土类型的小麦子粒形成及灌浆强度的测定表明,沙地小麦灌浆主要表现为灌浆期短(一般15-17天),开花至成熟持续时间短(30天左右),千粒重低,灌浆强度较高的特点。千粒重与旗叶单位面积干重、茎秆上部三个节间单位面积干重均呈极显著负相关,与倒二叶、倒三叶相关不显著。土壤水分状况是影响沙地小麦灌浆的重要因素,增施有机肥,可减少灌水,提高灌浆强度,延长灌浆时间。

【Abstract】 Through the measuring of the formation of seed and the grouting intensity of different wheat breed, under different conditions of water and fertilizer, and in different types of sandy soil, it was made clear that the main grouting features of wheat on sandy land are short grouting period (15-17days), short lasting time between bloom and maturation (30 days or so), light 1000-grain weight, and intensive grouting. The 1000-grain weight has a clear minus correlation with the weight per area of the sword leaf, no clear correlation with the weight of second and third last leaves, and a perfect minus correlation with the weight per area of the part between the three burls in the upper part of the stem. Soil moisture is an important condition that influences the grouting level of sandy-land wheat, and using more organic fertilizer can reduce the quantity of water used, strengthen grouting, and prolong the grouting period.

【关键词】 沙地小麦灌浆千粒重
【Key words】 sandy landwheat grouting1000-grain weight
  • 【分类号】S512.1
  • 【被引频次】3
  • 【下载频次】58
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