Effect of Sowing Time and Mulching on Weed Control in Cotton-Based Intercropping System in Rainfed Vertisols

Abstract

Field experiments conducted at the Agricultural Research Station, Kovilpatti during rub seasons of 1993-94 and 1994-95 revealed that intercropping of cotton + black gram at 2:1 ratio reduced the weed density and dry matter. Mulching eitherwith subabul loppings or hajru straw 6 6 ha recorded significantly lower weed population and the dry matter accumulation than the unimulched control.