Efficacy of Different Integrated Weed Management Methods in Rain-fed Chickpea (Cicer arietinum L.) at Kermanshah

Document Type : Research Paper

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Abstract

     The efficacy of different methods of integrated weed management (cultural, physical and chemical) in chickpea, was assessed by factorial experiment based on randomized complete block design with three replications and 26 treatments at Kermanshah city in 2015. The experimental factors were included different doses of herbicide Pyridate in five levels, 0, 25, 50, 75 and 100% of the recommended dose (2 lit.ha-1) and non-chemical management in five levels including intercropping with wheat, wheat straw mulch, cultivator, hand weeding, without non-chemical control, as well as a control (weed-free). The highest chickpea yield (1110 kg.ha-1) and total gross revenue (56 million rials per hectare), belonging to wheat straw mulch with100% herbicide dose, the weeding treatments during the growing season and once weeding treatment with 100%herbicide dose were the next. The net income (with deduction of the cost of weed control) amounted to 43 million rials used in the treatment of cultivation with100%herbicide dose which can be recommended to farmers as a practical method. Treatments of wheat straw mulch with 100% herbicide dose and hand weeding during the growing season had a high inhibitory effect on weed density and biomass, but due to high labor cost during the growing season, their net income were lower than those of other treatments therefore, it has no economic justification in comparison with other management treatments.
 

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References

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JOURNAL OF AGRICULTURAL SCIENCE AND SUSTAINABLE PRODUCTION
Volume 28, Issue 4
December 2018
Pages 77-92

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