Soil fertility and fertilizers : an introduction to nutrient management John L. Havlin, Samuel L. Tisdale, Werner L. Nelson and James D. Beaton - 8th ed. - Chennai: Pearson, 2016. - vii, 520 p. Eng ISBN: 9789332570344 Subjects--Topical Terms: Fertilizer Soil fertility Crops- Nutrition Dewey Class. No.: 631.813 / SOI