This book originates from the International Potato Course, which is given by the International Agricultural Centre at Wageningen each year. The first edition was published in 1980; this second edition is much revised. Contents: 1. The potato throughout the world, with special reference to the tropics and subtropics. 2. The potato. 3. Dormancy and sprout growth. 4. Crop ecophysiology. 5. A method for calculating tuber yield. 6. Marketable yield and plant population. 7. Seed requirements - seed treatment. 8. Soil requirements: seed bed preparation, planting and ridging. 9. Manuring. 10. Water supply. 11. Specific weather conditions affecting yield and quality. 12. Tuber quality. 13. Disease and pest control systems. 14. Harvest. 15. Storage principles. 16. Seed potatoes: quality, use, supply and production. 17. Varieties and breeding.