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The Indian Agricultural Research Institute (IARI), commonly known as the Pusa Institute, [3] is India's national institute for agricultural research, education and extension. The name Pusa Institute is derived from the fact that the institute was originally located in Pusa , Bihar as the Imperial Institute of Agricultural Research in 1911.
The institute is affiliated with and is located in the campus of the Indian Agricultural Research Institute, a deemed university, at Pusa in New Delhi. The institute includes sections that specialize in statistical techniques for animal and plant breeding, bioinformatics, sampling, experimental design, modelling and forecasting.
In mineralogy, an inclusion is any material trapped inside a mineral during its formation. In gemology , it is an object enclosed within a gemstone or reaching its surface from the interior. [ 1 ] According to James Hutton 's law of inclusions, fragments included in a host rock are older than the host rock itself.
The Indian Council of Agricultural Research (ICAR) is an autonomous body responsible for co-ordinating agricultural education and research in India. It reports to the Department of Agricultural Research and Education, Ministry of Agriculture. [2] The Union Minister of Agriculture serves as its president.
Dark soil color imparted by organic matter in Illinois, US. Dark brown or black colors typically indicate that the soil has a high organic matter content. [4] Organic matter coats mineral soil particles, which masks or darkens the natural mineral colors. [1] Sodium content also influences the depth of organic matter and therefore the soil color.
Speaking broadly, mineral color points out the specific gravity of the mineral, as minerals that are lighter in color tend to be less dense. Darker minerals typically tend to contain more of relatively heavy elements, notably iron, magnesium, and calcium. [2] The temperature of crystallization affects what the color index of rocks tends to be. [10]
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Metallic minerals are the minerals which contain one or more metallic elements. They occur in rare, naturally formed concentrations known as mineral deposits. Metallic minerals available in India are gold, cobalt, zinc, iron ore, manganese ore, bauxite, silver, lead, tin, copper and chromite. [49]