This article provides short notes on plant insecticides. There are some plants which contain chemical substances like alkaloids and inflavonoids which act as insecticides. Alkaloids such as nicotine from tobacco (Nicotinu spp), rotenone from Derris (Derris elliptica) and pyrethrins and cinerins (pyrethroids) from pyrethrum (chrysanthemum cinerariaefolium) are good plant insecticides. Most plant insecticides act as […]
Short Notes on Plant Insecticides
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Notes on Pesticides
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Here is a compilation of notes on Pesticides. After reading these notes you will learn about: 1. Meaning of Pesticides 2. Classification of Pesticides 3. Magnification 4. Mode of Action 5. Hazards od Pesticides to Human Life 6. Behaviour of Pesticides in Soil. Contents: Notes on the Meaning of Pesticides Notes on the Classification of […]
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Notes on Environmental Impact Assessment (EIA) of Noise
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This article provides notes on Environmental Impact Assessment (EIA) of noise. The EIA study will be carried out to evaluate and assess the impact of any proposed (or existing) activity on the environment. Noise is one of the environmental attributes, on which the likely impact due to the proposed (or existing) activity need to studied. […]