1.Nitrate pollution in ground water – SP. Palaniappan & K. Annadurai
2.Phosphorus and ecosystems - SP. Palaniappan & K. Annadurai
3.Heavy metal pollution in soil and ground water – Rani Perumal & S. Thiageswari
4.Chloride toxicity in soils – S. Mahinairaja & R.K. Kalessari
5.Fluoride accumulation and toxicity - SP. Palaniappan & K. Annadurai & S. Mahimairaja
6.Nitrous oxide emissions and environment – K. Annadurai, SP. Palaniappan & C. Udayasooriam
7.Biogenic sulphur emissions – SP. Palaniappan & K. Annadurai
8.Methane emission and environment – C. Udayasoorian, Shyam Lal and K. Annadurai
9.Agriculture and climate change – T.N. Balasubramanian and SP. Palaniappan
10.Acid Soils and environment – John Kutty and SP. Palaniappan
11.Problem soils in coastal ecosystem – SP Palaniappan et al.
12.Desertification and environment – C. Chinnusamy et al.
13.Effect of poor quality irrigation water on soil – S. Purusothaman, Mrinal Saikia and B.J. Pandian
14.Potential hazards of organic manures – SP Palaniappan, K. Annadurai & K. Siddeswaran
15.Effect of industrial and sewage effluents on soil and crop production – P. Singaram
16.Herbicide residues in soil-plant water systems – R. Jeyakumar
17.Pesticides in the environment – A. Regupathy & K. Bhuvaneswari