FATES OF FERTILIZERS IN SOILS 1 Fates of fertilizers in soils 1 Fertilizer Application 1 Fertilizer quality control 1 MANUFACTURE AND PROPERTIES OF FERTILIZERS 1 Management of fertilizers in soils 1 Manufacture and properties of fertilizers 1 Mineral function of soil 1 NITROGEN, PHOSPHORUS AND POTASSIUM IN SOILS 1 Nitrogen, phosphorus and potassium in soils 1 Ortho Agronomy 1 Properties of Fertilizers 1 Secondary and Micronutrients 1 Soil Biology 1 Soil Fertility 1 soil science ,soil properties, soil fertility 1