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[1]WANG Xuemiao,AN Jinqiang,LUO Tianfeng,et al.Effects of Different Drip Irrigation Configurations on Dry Matter Accumulation and Yield of Corn[J].Research of Soil and Water Conservation,2015,22(06):122-125,133.

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Effects of Different Drip Irrigation Configurations on Dry Matter Accumulation and Yield of Corn

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 22 Number of periods: 2015 06 Page number: 122-125,133 Column: Public date: 2015-12-28

Title:: Effects of Different Drip Irrigation Configurations on Dry Matter Accumulation and Yield of Corn

Author(s):: WANG Xuemiao¹, AN Jinqiang¹, LUO Tianfeng², LI Jing², SUN Kecui¹, YANG Xiaoting¹; 1. School of Engineering, Gansu Agricultural University, Lanzhou 730070, China;
2. Gansu Research Institute for Water Conservancy, Lanzhou 730000, China

Keywords:: different drip tape configurations; corn; yield

CLC:: S513

DOI:: -

Abstract:: The experiment of corn irrigation is designed for investigating on the impact of diverse irrigation quotas and pipe laying on corn farmland productivity. Two laying ways of drip irrigation pipes with three different irrigation quotas were used. The results show that during the whole growth season, irrigation volume has significant effects on leaf area as well as photosynthetic potential; it also proves that during jointing and tasseling stages, when irrigation quota is 375 m³/hm², T₂ treatment of laying two drip irrigate pipes in three corn lines has significant difference from CK treatment; when the irrigation quota is 450 m³/hm², the production with T₄ treatment peaked at 17 035.855 kg/hm² and the water use efficiency is the highest, which is 46.24%,42.50%,26.20%,26.15%,48.23% and 26.15% higher than those with T₁, T₂, T₃, T₅, T₆ and CK treatements. Therefore, laying two irrigation pipes in three corn lines has greater advantage for corn growth and yield increase than laying three irrigation pipes. That is to say when irrigation quota is 450 m³/hm², laying two pipes in three lines is the optimal model.

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