Uptake and Reduction of Nitrogen in Trees
Adequate availability of nitrogen in soils is but one of the problems facing trees. Moving nitrogen inside the tree presents a number of unique problems and solutions.
The link address is: http://warnell.forestry.uga.edu/service/library/index.php3?docID=280&docHistory%5B%5D=12&docHistory%5B%5D=31
