Manures, fertilizer and soil fertility management part-1 OPSC-AAO, ASCO B.Sc.(Ag.) question paper

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Beneficial nutrients - Nicholas

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Immobile in plants- calcium and boron

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Active absorption - requires ATP ( about 4% absorption occurs by this) and Passive absorption- not require ATP (about 96% absorption by this)

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R u preparing for OPSC AAO ?

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Nitrogen deficiency - V- shaped chlorosis, starvation and buttoning in cauliflower

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Cauliflower whiptail disease due to Mo deficiency

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Arnon and stout - essentiality of nutrients

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In 1939