RAJKUMARA, S, Y B PALLED, N BASAVARAJA, and A B KHOT. 2010. “Weed-Free Period Requirement of Drill-Sown Onion (Allium Cepa) – Chilli (Capsicum Annuum) – Cotton (Gossypium Herbaceum) Relay Intercropping System in Rainfed Vertisols”. The Indian Journal of Agricultural Sciences 80 (7). https://doi.org/10.56093/ijas.v80i7.283.