TY - GEN AU - BASAK, RANJAN KUMAR TI - FERTILIZERS: A TEXT BOOK U1 - 631.8 BAS/FE CY - LUDHIANA, KALYANI KW - FATES OF FERTILIZERS IN SOILS KW - MANUFACTURE AND PROPERTIES OF FERTILIZERS KW - NITROGEN, PHOSPHORUS AND POTASSIUM IN SOILS ER -