Donald K. Plucknett, Washington D.C.; Howard B. Sprague, University Park, Pennsylvania.

• Section I: Diagnostic Techniques 1. Visual Plant Symptoms as Indicators of Mineral Nutrient Deficiencies 2. Soil Testing as a Guide to Productive Crop Yields 3. Plant and Tissue Testing Principles Relating to the Identification of Nutrient Deficiencies Section II: Cereal Crops 4. Rice 5. Wheat 6. Maize 7. Sorghum 8. Barley 9. Pearl Millet Section III: Grain Legumes 10. Soybeans 11. Dry Beans 12. Dry Peas 13. Mungbean 14. Groundnut (Peanut) 15. Cowpea Section IV: Roots and Tubers 16. Potato 17. Cassava 18. Sweet Potato 19. Onions Section V: Sugar Crops 20. Sugarcane 21. Sugarbeets Section VI: Vegetables 22. Tomato 23. Cabbage and Cauliflower 24. Cucumbers 25. Eggplants 26. Melons 27. Peppers Section VII: Fruits and Nuts, Tree Crops 28. Apples 29. Peaches 30. Citrus 31. Banana 32. Walnuts 33. Mango Section VIII: Tropical and Subtropical Industrial Crops 34. Cotton 35. Rubber 36. Oil Palm 37. Coconut 38. Cacao 39. Coffee Section IX: Temperate Forages 40. Alfalfa (Lucerne) 41. Red Clover 42. Lespedeza 43. Orchardgrass 44. Tall Fescue 45. Bermudagrass (Stargrass) Section X: Tropical Forages 46. Stylosanthes Species 47. Glycine 48. Centrosema 49. Tropical Grasses

Donald K. Plucknett, Washington D.C.; Howard B. Sprague, University Park, Pennsylvania.

• Section I: Diagnostic Techniques 1. Visual Plant Symptoms as Indicators of Mineral Nutrient Deficiencies 2. Soil Testing as a Guide to Productive Crop Yields 3. Plant and Tissue Testing Principles Relating to the Identification of Nutrient Deficiencies Section II: Cereal Crops 4. Rice 5. Wheat 6. Maize 7. Sorghum 8. Barley 9. Pearl Millet Section III: Grain Legumes 10. Soybeans 11. Dry Beans 12. Dry Peas 13. Mungbean 14. Groundnut (Peanut) 15. Cowpea Section IV: Roots and Tubers 16. Potato 17. Cassava 18. Sweet Potato 19. Onions Section V: Sugar Crops 20. Sugarcane 21. Sugarbeets Section VI: Vegetables 22. Tomato 23. Cabbage and Cauliflower 24. Cucumbers 25. Eggplants 26. Melons 27. Peppers Section VII: Fruits and Nuts, Tree Crops 28. Apples 29. Peaches 30. Citrus 31. Banana 32. Walnuts 33. Mango Section VIII: Tropical and Subtropical Industrial Crops 34. Cotton 35. Rubber 36. Oil Palm 37. Coconut 38. Cacao 39. Coffee Section IX: Temperate Forages 40. Alfalfa (Lucerne) 41. Red Clover 42. Lespedeza 43. Orchardgrass 44. Tall Fescue 45. Bermudagrass (Stargrass) Section X: Tropical Forages 46. Stylosanthes Species 47. Glycine 48. Centrosema 49. Tropical Grasses

Donald K. Plucknett, Washington D.C.; Howard B. Sprague, University Park, Pennsylvania.

• Section I: Diagnostic Techniques 1. Visual Plant Symptoms as Indicators of Mineral Nutrient Deficiencies 2. Soil Testing as a Guide to Productive Crop Yields 3. Plant and Tissue Testing Principles Relating to the Identification of Nutrient Deficiencies Section II: Cereal Crops 4. Rice 5. Wheat 6. Maize 7. Sorghum 8. Barley 9. Pearl Millet Section III: Grain Legumes 10. Soybeans 11. Dry Beans 12. Dry Peas 13. Mungbean 14. Groundnut (Peanut) 15. Cowpea Section IV: Roots and Tubers 16. Potato 17. Cassava 18. Sweet Potato 19. Onions Section V: Sugar Crops 20. Sugarcane 21. Sugarbeets Section VI: Vegetables 22. Tomato 23. Cabbage and Cauliflower 24. Cucumbers 25. Eggplants 26. Melons 27. Peppers Section VII: Fruits and Nuts, Tree Crops 28. Apples 29. Peaches 30. Citrus 31. Banana 32. Walnuts 33. Mango Section VIII: Tropical and Subtropical Industrial Crops 34. Cotton 35. Rubber 36. Oil Palm 37. Coconut 38. Cacao 39. Coffee Section IX: Temperate Forages 40. Alfalfa (Lucerne) 41. Red Clover 42. Lespedeza 43. Orchardgrass 44. Tall Fescue 45. Bermudagrass (Stargrass) Section X: Tropical Forages 46. Stylosanthes Species 47. Glycine 48. Centrosema 49. Tropical Grasses