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Effect of chemical weed management practices in ginger (Zingiber officinale Rosc.) under different inter-cropping systems with cowpea

A field experiment was conducted during 2013-14 and 2014-15 in Assam Agricultural University, Jorhat-13. The objective of the study was to understand the effect of different chemical weed management practices in ginger under different intercropping systems. A total of 18 numbers of treatment combinations were considered, which comprised of 4 inter-cropping systems along with 4 weed management practices and 2 sole crop treatments. Cowpea in between rows of Ginger and incorporated at 40 days after sowing (DAS) recorded better results in terms of weed and crop parameters. Whereas, preemergence application of Metribuzin 500 g ai ha-1 + hand weeding (HW) at 70, 100 and 140 days after planting (DAP) recorded least weed dry weight at the initial days of peak crop weed completion and also resulted in highest rhizome yield of ginger. | Effect of chemical weed management practices in ginger Zingiber officinale Rosc. under different inter-cropping systems with cowpea