| Effect of controlled alternate irrigation on growth of corn |
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| DOI：10.7606/j.issn.1000-7601.2006.05.19 |
| Key Words: controlled alternate irrigation corn growth water use efficiency irrigation system |
| Author Name | Affiliation | | LI Cai-xia | College of Water Conservancy Shenyang Agricultural University,Shenyang 110161,China；Institute of Farmland Irrigation,Xinxiang,Henan 453003,China | | CHEN Xiao-fei | College of Water Conservancy Shenyang Agricultural University,Shenyang 110161,China | | YIN Chun-yan | Lijin Bureau of Agriculture,Lijin,Shandong 257400,China | | WANG Tie-liang | College of Water Conservancy Shenyang Agricultural University,Shenyang 110161,China | | YANG Guo-fan | College of Water Conservancy Shenyang Agricultural University,Shenyang 110161,China |
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| Abstract: |
| The lysimeter was adopted to investigate growth, yield and water use efficiency of corn on aquic brown soil in Shenyang under different treatments of controlled alternate irrigation.The results indicated that controlled irrigation restrained the growth of overground part of corn effectively.Compared with treatment 1(irrigation quota: M),treatment 2(irrigation quota: 2/3M) increased yield by 4.8%,and decreased water consumption by 13.3%;treatment 3(irrigation quota: 1/2M) consumed the least water and its yield was also the lowest.Therefore,treatment 2 was determined as the optimal irrigation system. |
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