Many herbicides are applied directly to the soil with the hope that these will control weeds for a desired period and then dissipate to leave the soil uncontaminated. Herbicides which are applied to the standing weeds also eventually reach the soil as run-off from the foliage as well as during the decomposition of the dead weeds. In either case, a [...]
In this article we will discuss about the herbicides used in plantations of India. In India, plantation crops like tea, coffee, and rubber are infested with difficult weeds like Chromolaena odorata (= Eupatorium odoratum), Imperata cylindrica, Pennisetum clandestinum, Paspalum conjugatum, Mikania micrantha, and Oxalis spp., besides several other common weeds. Among the parasitic weeds, dodder (Cuscuta spp.) is common in [...]
In this article we will discuss about the cultural, physical, biological and bioherbicidal control of weeds. Method # 1. Cultural Methods of Weed Control: (a) Good Crop Husbandry Practices: Any weed management programme on farm land essentially begins with the adoption of good crop husbandry practices leading to a sturdy crop which could overpower the weeds, and make their subsequent [...]