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Nitrogen is a very important nutrient element in agriculture. In soils it occurs in organic and inorganic forms. Inorganic N occurs primarily as nitrate in arable soils. Nitrate is subject to various processes such as plant uptake, leachin...
Climate change and India’s initiative ‘WARMING of the climate system is unequivocal, as is now evident from observations of increases in global average air and ocean temperatures, widespread melting of snow and ice, and r...
Definition of waste Wastes are substances or objects, which are intended to be disposed of, or are required to be disposed by the provisions of national laws. Additionally, wastes are such items which people are required to discard, ...
Introduction Recycling aluminum alloys has been shown to provide major economic benefits. As a result, it is appropriate for the aluminum industry and the U.S. as a whole to identify, develop, and implement all technologies that will o...
Introduction Non-ferrous metals besides gold, silver and platinum are somewhat toxic to living organism. It is therefore important that all the metallurgical industries not only take care of the process of manufacture but also safe d...
ABSTRACT There is a huge growing requirement of building materials in India due to the existing housing shortage of 24.7 million units{ 2007} mainly for the low income groups in urban India. Estimated urban housing shortage...
NORTHEAST India is endowed with a bounty of water resources, accounting for about 40% of the total water resources in the country, i.e. about 60 million hectaremetre. The region is in the highest rainfall zone of the country and enjoys typica...
Background: Recovery and recycling are complementary process regimes. The extent of recycling in India can be gauged from the fact that used/bent nails are straightened and reused. Majority of the recovery and recycling units in India ...
EROSION by water has been considered as the most serious soil degradation problem in the humid tropical and subtropical India. Dhruvanarayana and Ram Babu analysed the existing soil loss data of the entire country and indicated that soil eros...
TOXICITY of polychlorinated biphenyls (PCBs) has seen an upsurge of interest in recent years. These compounds exhibit toxicity similar to that of polychlorinated dibenzo-p-dioxin (PCDD). This information on PCB has prompted several investigat...
