Organic n in manure is not lost through

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Unformatted text preview: in manure is not lost through volatilization, but it takes time to mineralize and become plant available. Immobilization is the reverse of mineralization. All living things require N; therefore microorganisms in the soil compete with crops for N. Immobilization refers to the process in which nitrate and ammonium are taken up by soil organisms and therefore become unavailable to crops. NH4+ and/or NO3ammonium nitrate R-NH2 organic N For more information about N management in field crops (N guidelines, N calculators, etc.), see the “Nutrient Guidelines” section of the Nutrient Management Spear Program web site, below, or contact your local Cornell Cooperative Extension field crop educator. Incorporation of materials with a high carbon to nitrogen ratio (e.g. sawd...
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This note was uploaded on 10/12/2012 for the course BIOTECH BT101 taught by Professor Gardy during the Spring '12 term at Indian Institute of Technology, Chennai.

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