TY - BOOK AU - Rekha V R Nair. AU - Usha Mathew.(Guide) TI - Assessment and management of micronutrients in the rubber(Hevea brasiliensis) growing tracts of Thiruvananthapuram U1 - 631.4 PY - 2019/// CY - Vellayani PB - Department of soil science and agricultural chemistry, College of Agriculture KW - Micronutrients in the rubber N1 - PhD ER -