00520nam a2200157Ia 4500008004100000020001500041082001800056100002100074245008100095260007400176300000800250650004100258650003400299653001900333653001000352170901s1989    xx            000 0 und d  a8185116083  a631.811bT12S  aTandon, H. L. S. 0aSecondary and Micronutrient Recommendations for Soils and CropsbA guidebook  aNew DelhibFertiliser Development and Consultation Organisationc1989  a104  aAgriculture and related technologies  aTechnology (Applied sciences)  aMicronutrients  aSoils