Effect of Different Tillage Methods and furrow spacing on Soil Hydraulic Characteristics in Furrow Irrigation

Document Type : Research Paper


1 Assistant Professor, Department of Water Engineering, Faculty of Agriculture, Bu Ali Sina University, Hamedan, Iran

2 Assistant Professor, Department of Water Engineering, Faculty of Agriculture, Bu Ali Sina University, Hamedan, Iran.

3 Technical and Engineering Research Department, Safi Abad Agricultural and Natural Resources Research Center, Dezful, Iran.

4 MSc Student, Department of Water Engineering, Faculty of Agriculture, Bu Ali Sina University, Hamedan, Iran.


Conservation tillage systems are recommended by government agencies around the world as an appropriate management option for preserving soil and water resources.
Protective tillage has advantages over conventional tillage in terms of reducing energy consumption (Abbaspour et al., 2005). These include reducing erosion of water and wind (Lithourgidis et al., 2007), requiring less labor, increasing soil organic matter, and accelerating time of the second crop (Ito et al., 2007).
Here, Manning’s roughness and penetration function are particularly important. More  accurate evaluation, design and simulation of these parameters provide better irrigation systems. If the parameters of the penetration equation are not close to the field conditions, irrigation may cause runoff and deep percolation. Kuotsu et al. (2014) studied the effects of different tillage on soil hydraulic properties and the productivity of rainfed land under rapeseed cultivation in northeastern India. The results of their research showed that infiltration and hydraulic conductivity significantly increased in conservation tillage systems, and the amount of water use efficiency (WUE) was the highest in the conservation tillage system.
Considering the necessity of protecting the soil and water resources and the important role of tillage operations, this research investigated the effects of different tillage methods on the hydraulic properties of barley surface irrigation using WinSRFR model.


Main Subjects

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Volume 43, Issue 1
March 2020
Pages 145-156
  • Receive Date: 18 November 2017
  • Revise Date: 10 May 2018
  • Accept Date: 13 May 2018
  • Publish Date: 20 March 2020