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Unformatted text preview: ion is the loss of N through the
conversion of ammonium to ammonia gas, which is
released to the atmosphere. The volatilization losses
increase at higher soil pH and conditions that favor
evaporation (e.g. hot and windy).
ammonium Summary The ultimate goal of N management is to
maximize N efficiency by increasing crop uptake and
minimizing N losses to the environment. Crop N
needs can be met through existing N sources (e.g.
from soil organic matter, past sods and previously
applied manure) and supplementary applications of
N through manure and fertilizers. To make the most
of existing N sources and purchased fertilizers,
consider the N cycle facts, below:
N released from killed sods, via mineralization
and nitrification, can supply enough N for most, if
not all, of the N needs of the following corn crop.
The timing an...
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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.
- Spring '12