Subject: The Sweet Potato

3. The sweet potato-today and tomorrow

7. Recent progress and current needs of the sweet potato industry in the United States

10. Some general and regional problems of sweet potato (Ipomoea batatas (L.) Lam) growing

13. Study of the effect of nitrogen, phosphorus and potassium on sweet potato yield by response surface

16. The sweet potato as a world food crop and how research has improved its nutritional quality

19. Sweet potato and its breeding efficacy in Japan

22. Growth and development of tuberous root in sweet potato

24. The process of tuberization in sweet potato (Ipomoea batatas (L.) Lam).

27. Winter nurseries for production of early sweet potatoes

32. Some cultivation techniques affecting yield response in the sweet potato

37. The effect of temperature on the translocation and accumulation of carbohydrates in sweet potato

41. The effect of sulfuric acid scarification on potato seed germination

42. The use of carbohydrate contents as an index of sweet potato maturity

44. Mechanical harvesting of sweet potatoes

45. Various methods of harvesting sweet potatoes

48. Evaluation of hand and mechanical harvest of sweet potatoes