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 India, as in many other countries, grasslands abound in shruby and herbaceous weeds that are unpalatable and, many a time, harmful to the animals. These reduce the area under palatable grasses which, in turn, lowers the grassland productivity. Good grassland management practices like deferred grazing; fertilizer application, reseeding of the gaps, and soil and water conservation practices boost the [...]