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| 不同补充灌水量对小麦产量和灌水利用的影响 | |
| 引用本文： | 武继承,杨永辉,贾延宇,王洪斌,管秀娟.不同补充灌水量对小麦产量和灌水利用的影响[J].河南农业科学,2011,40(1):74-78. |
| 作者姓名： | 武继承 杨永辉 贾延宇 王洪斌 管秀娟 |
| 作者单位： | 1. 河南省农业科学院,植物营养与资源环境研究所,河南,郑州,450002 2. 河南师范大学,生命科学学院,河南新乡,453007 3. 西平县土肥利用管理站,河南,西平,463900 4. 昌乐县五图街道办事处,山东,昌乐,262400 |
| 基金项目： | 国家节水农业重点项目，河南省重大公益性科研项目 |
| 摘 要： | 在河南省黄褐土区,研究了不同生育时期不同补充灌水量(0、450、900、1350 m3/hm2)对小麦产量和水分利用的影响.结果表明,前期补灌水处理土壤水分亏缺比较严重,20～40 cm是土壤含水量的低谷区,其次是40～60 cm层次;合理补灌可以改善小麦群体动态,成穗数较对照增加1.65万～69.9万穗/hm2,单株... |
| 关 键 词： | 冬小麦 灌水 生育期 水分利用 土壤水分 |
Effect of Different Compensation Irrigation on Yield and Water-use-efficiency of Winter Wheat in Henan Province |
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| WU ji-cheng,YANG Yong-hui,JIA Yan-yu,WANG Hong-bin,GUAN Xiu-juan.Effect of Different Compensation Irrigation on Yield and Water-use-efficiency of Winter Wheat in Henan Province[J].Journal of Henan Agricultural Sciences,2011,40(1):74-78. | |
| Authors: | WU ji-cheng YANG Yong-hui JIA Yan-yu WANG Hong-bin GUAN Xiu-juan |
| Institution: | 1.Institute of Plant Nutrition and Resource Environment,Henan Academy of Agricultural Sciences,Zhengzhou 450002,China; 2.College of Life Sciences,Henan Normal University,Xinxiang 453007,China;3.Xiping Station of Soil and Fertilizer Utilization Management,Xiping 463900,China;4.Wutu Substrict Office of Changle County,Changle 262400,China) |
| Abstract: | The effect of compensation irrigation on the yield and water use efficiency of winter wheat in Henan province was studied.The results showed that the soil was obviously short of moisture when the irrigation was managed in the former stage,and the layer of 20-40cm was the lowest one in all of the layers.The group dynamics,the volume of spikes per hectare and the tiller volume of single plant were improved under national compensative irrigation.The spike volume per ha,the tillers and spikes per plant were increased by 16500-699000,0.12-1.16 and 0.01-0.11,respectively.For the effect of irrigation on plant height,spike length and spike grains,the combinative treatment of irrigation in the former stage and medium irrigation compensation in the latter were better.The wheat yield was increased by 2.54%-13.61% compared to control and the treatments,irrigation of 900m3/ha at the elongation stage and of 450m3/ha at the booting stage or separate irrigation of 900m3/ha at the two stage were the highest.As to the growth period,irrigation at the elongation stage of 900 m3/ha combined with the booting stage was the best,with the yield increased by 11.09%,followed by irrigation at the elongation stage with the yield increased by 7.11%.All of these results demonstrated that the suitable irrigation volume was 900 m3 /ha at the elongation stage and half or equal volume at the latter stage in high flow or normal flow year in high and medium yield production region.The water use efficiency was not increased with the yield,and the better treatments were irrigation of 450m3/ha and 900m3/ha at the elongation stage,which further stated that the best irrigation stage was elongation stage in the experimental area. |
| Keywords: | Winter wheat Compensation irrigation Growth stage Water use efficiency Soil moisture |
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