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Position: Home > Articles > Integrated Weed Management Through Tillage and Herbicides for Wheat Production in Rice-Wheat Cropping System in Northwestern Pakistan Journal of Integrative Agriculture 2012,11 (6)

Integrated Weed Management Through Tillage and Herbicides for Wheat Production in Rice-Wheat Cropping System in Northwestern Pakistan

作者：

Usman, Khalid;Ullah, Inayat;Khan, Said Mir;Khan, Muhammad Umar;Ghulam, Said;Khan, Muhammad Anwar

单位：

Gomal Univ, Dept Agron, Fac Agr, Dera Ismail Khan 29050, Pakistan;Gomal Univ, Dept Soil & Environm Sci, Fac Agr, Dera Ismail Khan 29050, Pakistan;Gomal Univ, Dept Entomol, Fac Agr, Dera Ismail Khan 29050, Pakistan;Gomal Univ, Dept Agr Chem, Fac Agr, Dera Ismail Khan 29050, Pakistan

关键词：

herbicides;tillage;weed population;wheat yield

摘要：

Conservational tillage (CT) in combination with broad spectrum herbicide may be more efficient and economical in controlling weeds, reducing cost of cultivation, and enhancing wheat yield. Field experiments were carried out to evaluate the effect of tillage and herbicides on weeds and wheat yield under rice-wheat cropping system (RWCS). The results indicated that broad spectrum herbicides particularly, carfentrazone ethyl ester+isoproturon (Affinity 50 WDG) reduced weeds density by 93 and 95% compared to control and also produced the maximum grain yield (6818 and 6996 kg ha(-1)) and HI (harvest index, 44.7 and 44.6%) in 2007-2008 and 2008-2009 growing seasons, respectively. The maximum weeds infestation and the lowest yield were recorded in control. Tillage methods significantly influenced grain yield and HI, while no significant effect on all other parameters. The overall mean yield was significantly higher in zero tillage (5575 kg ha(-1)) and reduced tillage (5584 kg ha(-1)) compared to CT (5479 kg ha(-1)). Besides increasing wheat yield, Affinity 50 WDG and zero tillage are important weed management practices that can be integrated into wheat production in RWCS. However, in case of perennial weeds or insect pests' infestation, CT in combination with Affinity 50 WDG would be more productive than conservation tillage.

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Integrated Weed Management Through Tillage and Herbicides for Wheat Production in Rice-Wheat Cropping System in Northwestern Pakistan

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