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Chapter 14

Chapter 14. Fertilizers. Objectives. Distinguish forms of fertilizers Describe fertilizer sources for each nutrient Perform important fertilizer calculations Describe how to use fertilizers List two effects fertilizers have on the soil. Banding Broadcasting Calcium carbonate equivalent

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Chapter 14

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  1. Chapter 14 Fertilizers Soil Science & Management, 4E

  2. Objectives • Distinguish forms of fertilizers • Describe fertilizer sources for each nutrient • Perform important fertilizer calculations • Describe how to use fertilizers • List two effects fertilizers have on the soil Soil Science & Management, 4E

  3. Banding Broadcasting Calcium carbonate equivalent Chelates Complete fertilizers Fertigating Fertilizer Fertilizer analysis Fertilizer burn Fertilizer filler Fertilizer grade Fertilizer ratio Fluid fertilizers Foliar feeding Fritted trace elements Granules Terms to Know (continued) Soil Science & Management, 4E

  4. Terms to Know • Mixed fertilizers • Nutrient carriers • Pop-up fertilizers • Pressurized liquid • Prills • Pulverized fertilizers • Sidedressing • Split application • Starter fertilizer • Topdressing Soil Science & Management, 4E

  5. Fertilizers Figure 14-1 Soil Science & Management, 4E

  6. Fertilizers • Pressurized liquids Figure 14-2 Soil Science & Management, 4E

  7. Fertilizers • Fluid fertilizers • Dry fertilizers • Slow-release fertilizers Soil Science & Management, 4E

  8. Fertilizer Materials • Nitrogen carriers (See Figures 14-4, 14-5, 14-6) • Phosphorus carriers (See Figures 14-8, 14-9) • Potassium carriers (See Figure 14-11) • Secondary elements (See Figure 14-12) • Trace elements (See Figure 14-13) Soil Science & Management, 4E

  9. Fertilizer Materials Figure 14-4 Soil Science & Management, 4E

  10. Fertilizer Materials Figure 14-5 Soil Science & Management, 4E

  11. Fertilizer Materials Figure 14-6 Soil Science & Management, 4E

  12. Fertilizer Materials Figure 14-8 Soil Science & Management, 4E

  13. Fertilizer Materials Figure 14-9 Figure 14-11 Soil Science & Management, 4E

  14. Fertilizer Materials Figure 14-12 Soil Science & Management, 4E

  15. Fertilizer Materials Figure 14-13 Soil Science & Management, 4E

  16. Mixed Fertilizers • Fertilizer analysis and grade Figure 14-14 Soil Science & Management, 4E

  17. Mixed Fertilizers • Contents of fertilizers • Fertilizer ratio • Elements and oxides • Calculations for blending Soil Science & Management, 4E

  18. Selecting Fertilizer • Factors that influence fertilizer selection: • Crop • Time of year • Application method • Cost Soil Science & Management, 4E

  19. Applying Fertilizer Figure 14-15 Soil Science & Management, 4E

  20. Applying Fertilizer • Fertilizing before planting • Broadcasting • Soil injection • Fertilizing at planting • Banding Figure 14-17 Soil Science & Management, 4E

  21. Applying Fertilizer • Pop-up fertilizers • Transplant solutions • Fertilizing after planting • Topdressing • Sidedressing • Fertigation • Foliar feeding Soil Science & Management, 4E

  22. Applying Fertilizer • Horticultural fertilization Soil Science & Management, 4E

  23. Fertilizer Effects on Soils • Effects of fertilizer on soil pH • Effects of fertilizer on soluble salts Soil Science & Management, 4E

  24. Summary • Fertilizer is substance used to supply essential elements • Finely ground minerals, natural or synthetic organic materials, and inorganic chemicals • Fertilizers come in different forms: • Dry • Fluid • Slow-release • Mixed • Nitrogen, phosphate, and potash Soil Science & Management, 4E

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