Kanwar, J.S
Micronutrient research in soils and plants in India: (a review) - New Delhi Indian Council of Agricultural Research 1978 - 185
micronutrient fertilizers
soil-trace element content
631.4/KAN
Micronutrient research in soils and plants in India: (a review) - New Delhi Indian Council of Agricultural Research 1978 - 185
micronutrient fertilizers
soil-trace element content
631.4/KAN