TY - BOOK AU - Divya, Francis TI - Soil potassium fractions in long term tillage and manurial experiment under coconut plantation; dissertation PY - 2017/// CY - Ranni PB - St. Thomas College KW - Soil science; Dissertations; Soil chemistry N1 - Dissertation submitted to the Mahatma Gandhi University in partial fulfillment of the requirements for the award of the degree of Master of Science in Chemistry ER -