(2011). Soil fertility and fertilizers: An introduction to nutrient management. (7th ed.). PHI Learning.
Citace podle Chicago (17th ed.)Soil Fertility and Fertilizers: An Introduction to Nutrient Management. 7th ed. New Delhi: PHI Learning, 2011.
Citace podle MLA (9th ed.)Soil Fertility and Fertilizers: An Introduction to Nutrient Management. 7th ed. PHI Learning, 2011.
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