Iranian Journal of Field Crop Science

Iranian Journal of Field Crop Science

Effects of different tillage methods on bread wheat and chickpea yield, yield components and soil physical properties under rainfed conditions in Kermanshah

Document Type : Research Paper

Authors
Hamid Reza Chaghazardi 1
Mohammad Reza Jahnsuz 2
Ali Ahmadi 2
Manouchehr Gorji 3
1 MSc. Student, University College of Agriculture & Natural Resources, University of Tehran, Karaj, Iran
2 Professor, University College of Agriculture & Natural Resources, University of Tehran, Karaj, Iran
3 Associate Professor, University College of Agriculture & Natural Resources, University of Tehran, Karaj, Iran
10.22059/ijfcs.2015.56816
Abstract
In order to evaluate the effects of convention and conservation (no-tillage and reduced tillage) tillage methods on wheat and chickpea yield and yield components and soil physical properties under rainfed conditions in Kermanshah (N: 34°19', E: 47°17'), some experiments were performed in Sararood Dryland Agricultural Research Station during three cropping seasons (2011-2014). In the first year, chickpea was planted in a randomized complete block design (RCBD) with five replications, covering the three tillage methods. In the second and third years, split plot experiments were performed based on RCBD with five replications. The tillage systems located in the main plots while crops, were in sub-plots. Results in the first year showed that, except of soil organic carbon, all studied traits were affected by tillage system (P≤0.01). In the second year, the highest soil moisture was observed in no-tillage plots of chickpea, and the highest yield and yield components were observed in the reduced tillage system of the third year. The no-tillage and reduced tillage systems produced the maximum yield, thousand grain weight and plant height in bread wheat. In general, most of the traits were influenced by tillage types. Regarding the results of the experiments and the other benefits of conservation tillage, reduced tillage recommended as a good replacement for conventional tillage in dryland areas of Kermanshah.
Keywords
Conventional tillage
no-tillage system
reduced tillage
Soil Erosion
Soil moisture
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Iranian Journal of Field Crop Science
Volume 46, Issue 4 - Serial Number 4
Winter 2016
Pages 687-698

  • Receive Date 19 May 2015
  • Revise Date 07 July 2015
  • Accept Date 13 August 2015
  • Publish Date 22 December 2015