1    Soil genesis
2    Soil classification & Taxonomy
3    Soil of India
4    Soil Physical Properties
5    Soil Air
6    Soil water
7    Soil Temperature
8    Soil reaction
9    Soil Colloids
10   Soil organic matter
11   Soil organism
12  Chemistry of N in soil and plant
13  Chemistry of P in soil and plant
14  Chemistry of K in soil and plant
15  Chemistry of Secondary Nutrients in soil and plant
16  Chemistry of micro nutrient in soil and plant
17  Salt affected soil and their management
18  Fertilizer classification and application in agriculture
19  Quality of irrigation water
20  Soil Testing and fertilizer recommendation