TY - GEN AU - TANDON, H L S TI - FERTILISERS, ORGANIC MANURES & BIOFERTILISERS: A PRODUCT QUALITY GUIDE FOR MAJOR & MICRONUTRIENTS U1 - 631.8 TAN/FE CY - NEW DELHI, FERTILISERS DEVELOPMENT AND CONSULATION ORGANISATION KW - INTRODUCTION & SCOPE KW - PHYSICAL QUALITY OF FERTILISERS ER -