Medicinal and aromatic plants play significant role in the life of people and contribute significantly to rural economy and health security of the country. Kalmegh is an important medicinal plant that has been effectively used in traditional Asian medicines for centuries. Weed infestation is the major constraint for cultivation of kalmegh in the country. If we controlled weeds efficiently then increase yield and quality of kalmegh. Keeping in view, an experiment was conducted at the Medicinal Plants Research and Development Centre, GB Pant University of Agriculture and Technology, U.S. Nagar (Uttarakhand), India during the kharif season. The experimental treatments consisted of application of herbicide (Pendimethalin and Quizalofop ethyl), mulch and Hand weeding either single or in combination along with control. The crop was transplanted on silty clay loam soil, having pH 7.3 to study the effect of different weed control methods on growth and herbage yield of kalmegh. Application of different weed control methods in kalmegh which significant increase in crop biomass yield.

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