> Sweet Potato
(Sweet Potato (Ingg.), Ipomoea batatas (Latin)) Family: Convolvulaceae
Widely planted in South America before the Incan culture, introduced into Spain before the potato. In East Asia, Polynesia before the year 1250 AD spread to New Zealand 14th century, spread to China in 1594 AD
Parts consumed: Bulbs and young leaves
Dikotil annual plants with creeping stems. Tuber skin color can be white, brown, red, purple somewhat red, or yellow colored bulbs can be white, yellow, orange or red. Day length increases stem growth, whereas short days stimulate enlargement and flowering bulbs.
Tubers and shoots and young leaves
Yellow yam is rich in carbohydrates and provitamin A. Leaves and young shoots of the high content of vitamins A and C and protein.
The optimum temperature of 24 ° C. Plants stop growing at 15 ° C.
Propagation from stem cuttings or shoots from tubers
Fertilization of high K