Document Type : Research Paper


1 Ph.D. Student, College of Agriculture and Natural Resources, University of Tehran, Karaj - Iran

2 Professor, College of Agriculture and Natural Resources, University of Tehran, Karaj - Iran

3 Associate Professor, College of Agriculture and Natural Resources, University of Tehran, Karaj - Iran


In order to study of no-tillage, reduced tillage and conventional tillage systems on some soil physical properties, yield and some traits of wheat and chickpea, experiments were perfumed across two years in Sarpolezahab’s dryland region.Results of combined analysis of variance indicated that different tillage systems had significant effects (P≥0.01) on seed yield, volumetric soil moisture, bulk density, organic carbon, economic value and morphologic traits of wheat and chickpea. In the first year, seed yield of wheat in reduced tillage treatment was 8 percent higher than no-tillage treatment and 10 percent higher than conventional tillage treatment while in the second year seed yield of wheat in reduced tillage treatment was 2 percent higher than no-tillage treatment and 14 higher than conventional tillage treatment.  Also, seed yield of chickpea in reduced tillage treatment was 8 and 56 percent higher than no-tillage and conventional treatments, respectively and in the second year was 51 and 20 percent higher than no-tillage and conventional treatments, respectively. In general, the results showed that the reduced tillage system was favourable and using of this system in replacement of conventional system could be advised to the farmers of dryland areas of Sarpolezahab region in Kermanshah province.


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