| A study on irrigational capacity of spring wheat in arid desert region |
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| DOI：10.7606/j.issn.1000-8601.2005.04.33 |
| Key Words: irrigation amount spring wheat yield component elements of yield |
| Author Name | Affiliation | | JIA Xiao-hong | Shapotou Desert Research and Experiment Station,Cold and Arid Regions Environmental and Engineering Research Institute,CAS,Lanz hou 730000,China | | LI Xin-rong | Shapotou Desert Research and Experiment Station,Cold and Arid Regions Environmental and Engineering Research Institute,CAS,Lanz hou 730000,China | | XIAO Hong-lang | Shapotou Desert Research and Experiment Station,Cold and Arid Regions Environmental and Engineering Research Institute,CAS,Lanz hou 730000,China | | ZHANG Jing-guang | Shapotou Desert Research and Experiment Station,Cold and Arid Regions Environmental and Engineering Research Institute,CAS,Lanz hou 730000,China | | LI ke | Gan Zhou Bureau of Forestry,Zhangye,Gansu 73400,China |
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| Abstract: |
| The experiments were carried out to study the effects of irrigational amount, irrigational times and soil moisture control on yield and its component elements of spring wheat on two types of soil in arid desert region. The results show: (1) There was a strong positive correlation between total irrigational amount, irrigational times and soil water control level during whole growth period and yield and its component elements of wheat (P<0.01); (2) For spring wheat on anthropogenic-alluvial soil, the optimal total irrigational capacity was 4 590 m3/hm2, being equivalent to 45.9 mm in depth for 11 times or so; (3) For spring wheat on sandy soil, the optimal total irrigational capacity was 4 312 m3/hm2, being equivalent to 30.8 mm in depth for 14 times or so. |
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