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An experiment was conducted at Agronomy Research Station, Barkacha, Mirjapur 201–14 to assess the effect of mulching and weed management practices on weeds and nutrients uptake by greengram under agri-horti system. Three mulch treatments were taken in main plot (no-mulching, dust-mulching and paddy straw-mulching) and five weed control treatments (weedy check, weed free, pendimethalin pre-emergence (PE) 1000 g ha-1, imazethapyr post-emergence (PoE) 100 g ha-1 and pendimethalin (PE) 1000 g ha-1 followed by (fb) imazethapyr (PoE) 100 g ha-1) was randomly allocated to subplots and these were replicated thrice in split plot design. The results revealed that dust mulching recorded lowest density and dry weight of weeds, N, P, K depletion by weeds and resulted significantly the highest growth parameters (pant height, crop dry weight and branches palnt-1), N, P, K content and their uptake by crop, grain and straw yield, gross and net returns of greengram over paddy straw mulching and no-mulching, respectively. Pre-emergence application of pendimethalin (1000 g ha-1) fb post-emergence application of imazethapyr (100 g ha-1) recorded lowest density and dry weight of weeds, N, P, K depletion by weeds and recorded the highest growth parameters, grain and straw yield, N, P, K contents and their uptake, gross and net returns by crop as compared to alone application of pendimethalin (PE) 1000 g ha-1 and imazethapyr (PoE) 100 g ha-1, respectively. However, no mulching recorded maximum B: C ratio in among the mulches and among weed management practices alone application of pendimethalin recorded maximum B:C ratio.

international journal of bio-resource and stress management/international journal of bio-resource and stress management

Influence of Mulching and Weed Management Practices on Weeds and Nutrient Uptake in Greengram (Vigna rediata L.) under Eight Year Old Custard Apple Plantation