JS Kanwar. (1997). Plant nutrient needs, supply, efficiency and policy issues: 2000-2025. National Academy of Agricultural Sciences.
Chicago Edition CitationJS Kanwar. Plant Nutrient Needs, Supply, Efficiency and Policy Issues: 2000-2025. New Delhi: National Academy of Agricultural Sciences, 1997.
MLA Edition CitationJS Kanwar. Plant Nutrient Needs, Supply, Efficiency and Policy Issues: 2000-2025. National Academy of Agricultural Sciences, 1997.
Warning: These citations may not always be 100% accurate.