Study on the characteristics of moist soil under the condition of water supply of surface capillary

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Authors

  • ,CN
  • ,CN
  • ,CN
  • ,CN
  • ,CN

DOI:

https://doi.org/10.18311/ijprvd/2022/30050

Keywords:

Water supply of surface capillary, wetting body, wetting front, soil water content, empirical solution

Abstract

In order to explore the characteristics of moist soil under the condition of water supply of surface capillary, this research constructed device which screens the capillary source infiltration based on the tests. Embedding TDR monitoring instrument in the indoor soil box, it can detect the characteristics of moist soil under the conditions of different capillary source infiltration water percolating capacities. The results show that there is a power function relationship between the cumulative infiltration quantity and time under the condition of water supply of surface capillary. The wetting front pushes forward like semi ellipse curve, and the moist soil presents like approximate semi ellipsoid. When the infiltration time and infiltration rate are constant, the soil water content in the infiltration point tends to a stable value, the soil water and heat coupling movement is complex, and the numerical variation tendency of each monitoring point is similar. Based on the above results, we construct empirical solution equation to predict the eigenvalues of soil wetting body under the condition of water supply of surface capillary. In this research, the capillary source infiltration material is found, and the surface capillary source water supply device with low cost and high efficiency is constructed. The device makes the growth of plants with enough water for the first year, but it can still keep the roots dry enough to make the seedling root down. Preventing soil evaporation loss, slowing down water loss of the surface micro environment of the main land and other bad influence, the device can improve the efficiency of water use. Meanwhile, the device can effectively enhance the ability of seedlings against high temperature of the surface in desertification area, wind-blown sand, animal browsing stress, damage, and create a proper environment for the normal growth of plants, which enjoys broad prospects.

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Published

2022-04-25

How to Cite

Yingjun, S., Fuquan, N., Yu, D., Shijie, D., & Yangchen, C. (2022). Study on the characteristics of moist soil under the condition of water supply of surface capillary. Indian Journal of Power and River Valley Development, 72(1&2), 42–48. https://doi.org/10.18311/ijprvd/2022/30050
Received 2022-04-25
Accepted 2022-04-25
Published 2022-04-25

 

References

Cote C M, Bristow K L and Charlesworth P B, et a1, (2003): "Analysis of soil wetting and solute transport in subsurface trickle irrigation", Irrigation Science, 22(3/4), p,143-156.

Patel Neelam and Rajput TBS, (2008): "Dynamics and modelling of soil water under subsurface drip irrigated onion", Agrieultural Water Management, 95(12), p.1335-1349?

Zhang Zhitao, Wu pute, Chen Junying, Zhu Delan and Fan Xiaokang, (23013): "The bubbled root irrigation wetting soil transport model", Journal of mechanical engineering irrigation; 31(2), p.173-177.

Guan Yao, Lei Tingwu, Liu Fangfang and Dong Yuequn, (23016): "Monitoring of soil wetting process under drip head by soil point source infiltration", Journal of Agricultural Engineering: 32(14), p.1-7.

Zhang Lin, Zhu Delan, Haopute and Fan Xing Ke, (2012): "Simulation of soil water movement under drip irrigation with multiple sources", Journal of Drainage and Irrigation Machinery Engineering, 30 of (2), p.237-243.

Yue Haiying and Li Yuannong, (2010): "Experimental study on distribution of soil moisture content in Drip Irrigation Soil", Journal of Irrigation and Drainage, 29 (2), p.137-138.

Guo Weidong, Xiao Yun Yun and Wang Pudong, (2005): "Study on the rule of soil water movement under the condition of node infiltration irrigation", Anhui Agricultural Sciences. 33 (8), p.1397-1398

Zhang Jianfeng, Yang Xiao, tie Xining, Wu Shuying and Wang Rui, (2012): "Study on single point soil infiltration characteristics of different infiltration methods in deep pit irrigation", Chinese Journal of agricultural engineering.28 (21), p.80-88.

Zhao Weixia, Cai Huanjie and Chen Xinming, (2007): "Distribution and simulation model of soil moisture content in unconfined irrigation", Chinese Journal of agricultural engineering, 23(3),p7-12.

Chen Tianwen, Li Xiuyan and Fu Jiquan, (2005): "Study on the moisture permeability of the fabric and liquid water transfer", Journal of Beijing Institute of Fashion Technology. 25,p25-30.

Liu Chuncheng, Li Yi and Ren Xin, (2011): "Applicability of four infiltration models to soil infiltration rule", Journal of agricultural engineering, 27 (5), p.62 -67.

Pang Fangli, Liu Xing and Wang Rui, (2013): "Factors affecting the properties of fabric heat transfer", Textile industry and Technology. 2, p.21-24.

Wang Linlin (2007): "Effect of vertical movement of soil moisture on soil temperature, Nanjing University of Information Science and Technology, p.1-68.

Feng Baoping, Zhang Zhanyu and Zhang Jianfeng, (2002): "Research progress on effects of temperature on soil water movement" Advances in water science. 13(5), p.643-648.

Gao Hong Bei and Shao Mingan (2011): "Effect of temperature on basic parameters of soil water movement", Advances in water science.(4), p.484-493.