Persistence is an important characteristic of the environmental pollutants in an environmental medium (air/ water/ soil) or in a living tissue, in which the pollutants remain active for...
Almost 70 per cent of India’s surface water resources and a growing percentage of its groundwater reserves are contaminated by biological, toxic organic and inorganic pollutants. In many...
Animals or plants used wilfully to destroy pests are called Biopesticides. For common knowledge, we can divide them into bioherbicides and bioinsecticide. Bioherbicides Pesticides destroying herbs are called...
The word pesticide comes from Latin pestis, which means the destructive agent or plague. Pesticides are generally oily or waxy substances in the form of dust, granules, pallets,...
Biofertilizers are substances which contain living microorganisms which, when applied to seed, plant surfaces, or soil, colonize the interior of the plant and promote growth by increasing the...
Fertilizers contaminate the soil with impurities, which come from the raw materials used for their manufacture. Mixed fertilizers often contain ammonium nitrate (NH4NO3), phosphorus as P2O5, and potassium...
Soil pollution is defined as the build-up in soils of persistent toxic compounds, chemicals, salts, radioactive materials, or disease causing agents and other xenobiotic (man-made) chemicals or other...
Under Shifting cultivation, a piece of land is used for quite some years until the fertility is dropped. After that the farmers move to the new plots. It...
Land degradation refers to any change or disturbance to the land perceived to be harmful or undesirable. Both natural causes like floods and forest fires, as well as...
Acid rain refers to the precipitation with elevated levels of hydrogen ions or a low pH. When fossil fuel is burnt, some of the elements within their molecules...
Airborne emissions emitted from various industries are a cause of major concern. These emissions are of two forms, viz. solid particles (SPM) and gaseous emissions. Thus, Air Pollutants...
Before India was established as a British Colony, there was no forest policy. Each ruler of various states in India had his or her own approach to manage...
