Paper Information

Journal:   IRANIAN JOURNAL OF FIELD CROP SCIENCE (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES)   WINTER 2016 , Volume 46 , Number 4; Page(s) 687 To 698.
 
Paper: 

EFFECTS OF DIFFERENT TILLAGE METHODS ON BREAD WHEAT AND CHICKPEA YIELD, YIELD COMPONENTS AND SOIL PHYSICAL PROPERTIES UNDER RAINFED CONDITIONS IN KERMANSHAH

 
 
Author(s):  CHAGHAZARDI HAMID REZA, JAHANSUOZ MOHAMMAD REZA*, AHMADI ALI, GORJI MANOUCHEHR
 
* UNIVERSITY COLLEGE OF AGRICULTURE AND NATURAL RESOURCES, UNIVERSITY OF TEHRAN, KARAJ, IRAN
 
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: 34o19', E: 47o17'), 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.

 
Keyword(s): CONVENTIONAL TILLAGE, NO-TILLAGE SYSTEM, REDUCED TILLAGE, SOIL EROSION, SOIL MOISTURE
 
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