Pesticides

The term pesticide covers a wide range of compounds including insecticides, fungicides, herbicides, rodenticides, molluscicides, nematicides, plant growing regulators and others. Among these, organ chlorine (OC) insecticides, used success all-embracingy in domineering a number of diseases, such as malaria and typhus, were banned or restricted after the 1960s in most of the technologically advanced countries. The introduction of other synthetic insecticides organophosphate (OP) insecticides in the 1960s, carbonates in seventies and pyrethroids in 1980s and the introduction of herbicides and fungicides in the mid-seventies1980s contributed greatly to pest control and agricultural output. ideally a pesticide must be lethal to the targeted pests, but non to non-target species, including man. Unfortunately, this is not the case, so the controversy of use and abuse of pesticides has surfaced. The straighten use of these chemicals, under the adage, if little is good, a lot much w ill be better has played havoc with sympathetic and other life forms. The pattern of pesticide usage in India is contrastive from that for the world in general. In India 76% of the pesticide used is insecticide, as against 44% globally (Mathur, 1999). The use of herbicides and fungicides is correspondingly slight heavy.

The all-important(a) use of pesticides in India is for cotton crops (45%), followed by paddy and wheat. The antediluvian wellbeings are the consequences of the pesticides piths the direct gains expected from their use. For example the effect of violent death caterpillars feeding o n the crop brings the first benefit of high! er(prenominal) yields and better quality of cabbage. The three main personal do result in 26 primary benefits ranging from protection of volunteer(a) greensward to saved human lives. The petty(a) benefits are the less conterminous or less obvious benefits that result from the primary benefits. They may be subtle, less intuitively obvious, or of long-lasting term. It follows that for secondary benefits it is therefore more...If you want to get a full essay, modulate it on our website: BestEssayCheap.com

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