TITLE

Influence of Nitrogen on Growth of Azadirachta excelsa

AUTHOR(S)
Ong, K. H.; King, P. J. H.; Lim, M. T.; Awang, K.
PUB. DATE
March 2012
SOURCE
Research Journal of Forestry;Mar2012, Vol. 6 Issue 1, p16
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
A fertilizer trial with three rates of N was conducted in a 2-year-old Azadirachta excelsa stand. Mean increments of tree volumes over two years ranged from 25.95 to 54.67 m³ ha-1. Growth of A. excelsa increased significantly with the addition of N. Foliar P concentration at 39 months was significantly higher with additions of N. The best growth was associated with foliar concentrations of 2.57% N. The rather substantial decrease in growth in the second half of the study period indicates the need to continually repeat fertilizer application to sustain the earlier achieved growth rate. General fertilizer prescriptions for A. excelsa plantations are presented.
ACCESSION #
76126532

 

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