Abstract
Studies made to ascertain the distribution of neem tree in Karnataka indicated that out of 10 agro-climatic zones in Karnataka, the neem trees are abundant in 7 zones. The zones having neem tree in abundance are I to VIII, except VII where it is sparse. In the other two zones, i.e., IX and X, the trees are absent. The districts having the neem trees in abundance are Bidar, Gulbarga, Raichur, Bellary, Bijapur, Belgaum, Dharwad, Chitradurga, Tumkur, Kolar, Bangalore, Mandya and Mysore. They are sparse in Shimoga, Hassan and Chikkamagalur districts. The trees are totally absent in Uttara Kannada, Dakshina Kannada and Kodagu districts.
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