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Long period of intensive crop cultivation deplete the available soil silicon (Si). Depletion of available Si in the soil could be one of the possible limiting factors amongst others contributing to declining yields. The lower values for Si in the soil can be justified due to (i) severe and frequent soil erosion and sediment transportation. (ii) Usually(More)
A mathematical model developed by Abdekhodaie and Wu (J Membr Sci 335:21–31, 2009), which describes a dynamic process involving an enzymatic reaction and diffusion of reactants and product inside glucose-sensitive composite membrane has been discussed. This theoretical model depicts a system of non-linear non-steady state reaction diffusion equations. These(More)
Chromium (Cr) contamination may affect different biochemical process in the soil. In a laboratory experiment, graded doses of hexavalent chromium were applied to a clay loam soil to investigate the impact on carbon (C) mineralization rate and the enzymatic activities at various time intervals. The maximum reduction in C mineralization was noticed at 100(More)
A field experiment was conducted during rabi season of 2009–2010 to find out the suitable date of sowing and weed control systems for getting maximum chickpea grain yield, at the Agricultural Research Farm of the Institute of Agricultural Sciences, Banaras Hindu University, Varanasi, UP. The treatments consisted of three dates of sowing viz. November 10(More)
Rhizosphere is a vital region of plant ecosystem; ~2 mm from the root surface is termed as rhizosphere zone. It governs the chemistry of plant nutrient and affects growth of the plants. Nutrient requirement in agriculture has been rising and is likely to increase further to enhance the agriculture productivity across the globe in order to keep pace with(More)
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