Effect of Tree Species on Soil Properties

This paper reports the influence of tree plantations (Tectona grandis, Dalbergia sissoo and Acacia catechu) on properties of red loam soil (Inceptisol) of Dharwad. Plantation of trees decreased bulk density and pH whereas soil aggregation, organic matter and exchangeable calcium of the soils increased. The nutrient status of the soils were very little changed by tree plantations. The nutrient return through litter fall followed the order Ca > K > N in D. sissoo and A. catechu and Ca> N > K in teak.