Resumen de Relationship between soil nitrogen and free nitrogen fixer population under some legume trees in arid and semiarid area
The free nitrogen fixer population and soil total N was studied under the four tree species viz. A, nilotica. P. juliflora,. L. leucocephala and D. sisso in arid to semiarid area of Saurashtra (Rajkot). The samples were collected from the rhizosphear of the tree species. The total bacterial count and soil C were also studied under all four tree species. The relationship between free N fixer and total soil N is discussed.
