[1]ZHAO Jinghua,HONG Ming,MA Yingjie,et al.Effect of Different Irrigation Treatments on Soil Temperature of Walnut Tree Irrigated by Drip Irrigation in Arid Area[J].Research of Soil and Water Conservation,2019,26(06):327-333.
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Effect of Different Irrigation Treatments on Soil Temperature of Walnut Tree Irrigated by Drip Irrigation in Arid Area
Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume:
26
Number of periods:
2019 06
Page number:
327-333
Column:
Public date:
2019-10-17
- Title:
- Effect of Different Irrigation Treatments on Soil Temperature of Walnut Tree Irrigated by Drip Irrigation in Arid Area
- Keywords:
- drip irrigation; soil temperature; moisture content; walnut tree
- CLC:
- S664.1;S152.8
- DOI:
- -
- Abstract:
- Based on field experiment and theoretical analysis,the effects of different irrigation treatments (The drip irrigation with the irrigation quotas of 15 mm, 30 mm, 45 mm and the bubble irrigation with an irrigation quota of 30 mm, corresponding to C1, C2, C3, C4, respectively) on soil temperature of 6-year-old walnut trees were studied. The results showed that:the water content of 0-20 cm had a significant effect on the soil temperature of 0-20 cm before irrigation, the water content of 20-40 cm had a significant effect on the soil temperature of 0-40 cm before irrigation, and the effect of soil moisture content of 0-20 cm on the soil temperature of 0-40 cm after irrigation was significantly greater than that of soil moisture of 20-40 cm; the average daily soil temperature of each soil layer showed a single peak curve at each growth stage, the average daily soil temperature of treatments of C1, C2, C3 increased first and then decreased with the increase of soil depth, while that of bubble irrigation layer of C4 treatment decreased with the increase of soil depth, and the change of soil temperature was the largest after irrigation in each layer of C4 treatment. Because of different irrigation methods, the soil temperature of C4 treatment was lower than that of C2 treatment. Considering the soil temperature, yield and quality, the irrigation quota of 435 mm (treatment C2) was the most stable, the highest yield, the best quality, which was the most beneficial quota. The results of the experiment will provide theoretical basis for the establishment of soil temperature and optimal irrigation system of walnut.
- References:
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1900-01-01