Mangaluru: Dr. Alok Kumar Srivastava, CFTRI Scientist on Friday said that with sustainable crops the soil fertility and nutrition in crops will increase. He was addressing the inaugural session of International Conference on “Sustainable Urban Development, Resource Conservation and Food Security” ‘Surf- 19’ organised by Bearys Institute of Technology (BIT) and Bearys Enviro-Architecture Design School (BEADS) at Bearys Knowledge Campus here in Mangaluru.