ASSESSMENT OF CRITICAL LOADS/LEVELS OF S, N AND SURFACE O3 FOR NEEM (AZARDIRACHTA INDICA) IN A SEMI-ARID REGION OF INDIA

Gur Sumiran Satsangi, Renuka Saini, P.R. Kulshreshtha and Ajay Taneja Department of Chemistry, St. John’s College

ABSTRACT

Critical load of S and N along with surface O3 exposure were computed for Neem (Azardirachta indica) tree. Critical load of S and N were calculated using a simple mass balance method taking into account of all acidity and alkalinity of wet and dry deposition data while and AOT40 concept was used to calculate the exceedance of O