This preview shows page 1. Sign up to view the full content.
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
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...
View Full Document
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.
- Spring '12