Sweet potato is an herbaceous perennial plant grown for its edible storage roots.
Sweet potatoes may also be referred to as yams or Spanish potatoes and originate from Central America.
The major sweet potato growing countries in the world are China, Nigeria, Tanzania, Ethiopia, Indonesia, Uganda, Vietnam, United States and India.
China currently accounts for more than half of the total global sweet potato output at 70,963,630 metric tons annually.
India stands ninth in position in sweet potato production globally producing 1,087,880 metric tons annually.
Storage roots are the most economically important part of sweet potato.
Sweet potatoes grow very well in tropical and subtropical climates and they are very sensitive to cold weather.
Sweet potato requires warm weather of at least four to five months.
It needs temperature range between 21 to 27˚C.
A well distributed rainfall of 75 to 150 cm is desirable.
It can not tolerate heavy rainfall which induces excessive vegetative tuber development.
It can grow in sandy loam and clay sub soil.
High fertile soils favor luxuriant vegetative growth.
Soil should be well drained for successful cultivation. 5.8 to 6.7 soils pH is suitable.
|Crop Stage||Products||Dosage||Method Of Application||Benefits|
|Vegetative Stage||Biofuze||3 ml / liter of water. - Repeat sprays at a interval of 2-3 weeks as per pest attack||Foliar Application||Reduces population of sucking pests|
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