THRISSUR: Agriculture Minister Mullakkara Ratnakaran has urged the Kerala Agricultural University (KAU) scientists to formulate a naturefriendly package of practices to stimulate organic enrichment of soil.

Addressing a conclave of the scientists from KAU, Central Plantation Crops Research Institute(CPCRI), Spices Research Centre, and Vegetable and Fruit Promotion Council Keralam (VFPCK), at a