[1]SUN Kecui,ZHANG Xinmin,JIN Jianxin,et al.Response of Spring Wheat Yield to Corrugation Parameters and Irrigation Techniques in Arid Areas[J].Research of Soil and Water Conservation,2015,22(06):155-158,166.
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Response of Spring Wheat Yield to Corrugation Parameters and Irrigation Techniques in Arid Areas
Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume:
22
Number of periods:
2015 06
Page number:
155-158,166
Column:
Public date:
2015-12-28
- Title:
- Response of Spring Wheat Yield to Corrugation Parameters and Irrigation Techniques in Arid Areas
- Keywords:
- furrow irrigation; spring wheat; growth indicators; yield; water use efficiency
- CLC:
- S275
- DOI:
- -
- Abstract:
- In order to improve the water quality of spring wheat in arid areas under raised bed planting with furrow irrigation, optimization model for irrigation technical parameters was established. It was studied that the influences were made by the combination between corrugation parameters (ridge slope, ridge width, groove depth and groove width) and irrigation technical parameters(groove length, ditch slope, ditch inflow) to growth, yield and water use efficiency of raised bed planting wheat with furrow irrigation. The result indicated that with other parameters being constant, the ridge width showed a negative impact on growth of wheat height, during the whole growth stage, the parameter combination (groove length 50 m, ridge width 40 cm, water volume 1.0 L/s into the furrows, the field of slope 1/500) presented the greatest photosynthetic potential, which reached up to 0.018 (m2·d)/m2. Under the unchangeable condition of other parameters, with the ridge width increasing, the photosynthetic potential of wheat during the entire stages went down. And there existed the negative correlation between the ridge slope and the photosynthetic potential of wheat. The parameter combination (groove length 50 m, ridge width 40 cm, water volume 1.5 L/s into the furrows, the field of slope 1/1 000), which adapts to the growth of spring wheat with ridge tillage and furrow irrigation, is optimal. Under this condition, wheat yield is the highest, reaching to 9 142.87 kg/hm2, and the water use efficiency reaches the highest level simultaneously, which is 29.18 kg/(hm2·mm).
- References:
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1900-01-01