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Soil Texture and Methods of Analysis
Soil texture is the basic property of a soil related to the size of individual mineral particles, which cannot be easily altered. It specifically refers to the relative size of soil particles. The rate and extent of many important physical and chemical reactions in soils are governed by texture because it determines the amount of surface on which the reaction can occur. Different size groups of soil particles, termed as soil separates were arbitrarily chosen by International Society of Soil Science (ISSS) as clay, fine sand, coarse sand, and gravel. The United States Department of Agriculture (USDA) has further subdivided the sand fraction. The two systems of textural classification
Explain concept of Salting out Salting out: Proteins in aqueous medium can be precipitated by qdding, trichloroacetic acid (TCA) or perchloric acid (PCA). Salts of hea
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researched method in socieal science with sample sarvay
A siphon fountain Fit a glass jar (a flask from a used electric bulb) with hole rubber stopper. By one hole place a jet tube which will extend about half way to the top of the
Observing sun spots Use the telescope that you made in a last experiment. Set it up so that it points directly at the sun and focus it so that a clear and bright image of the s
Driving a boat by surface tension Secure some gum camphor at the drug shop. Cut two or three boats from stiff paper, every about 2.5 cm in length. Cut a notch in the stern larg
what is ecology
Advantages of water in chemical weathering Water is an essential factor of chemical weathering and when it contains dissolved salts and acids it is all the more effective. It
Fire Blankets : We have already discussed the use of fire blankets, but it is worth noting that fire blankets are now made of glass fibre instead of asbestos, and that they are u
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