(i) Geographical conditions necessary for the cultivation of ground nuts : 1. It requires a tropical or sub-tropical climate. 2. Rainfall should be between 50 to 75 cm and temperature should be 20°C to 25°C. 3. Dry, light and sandy soils ideal. (ii) This crop is highly susceptible to prolonged drought, continuous rains, stagnant water and frost. (iii) Two non edible oil seeds grown—castor and linseed.