Soil mineralogy Soil biology 2 Soil chemistry 2 Soil physics 2 Classification of soil 1 Components of soil 1 Conduction phenomena 1 Mechanism of soil erosion 1 Plant nutrition 1 Soil -water-chemical interactions 1 Soil biochemistry 1 Soil composition and engineering properties 1 Soil databases 1 Soil deposits-formation, structure, geotechnical propertes and stability 1 Soil ecology 1 Soil fabric and its measurement 1 Soil formation 1 Soil microbial ecology 1 Soil survey and sampling designs 1 Soils of India 1 Soils-Organic compound content 1 Volume change behavior 1