The species Ipomoea batatas Poir is known noehere in a wild state.THE cultivated form is derived from an allied species, I.fastigiata Choisy which is belived to have originated in West-Indies and Tropical America.The Plant,being well suited for tropical countries.is extensively cultivated in the tropics of both the hemispheres.It is not adapted for cool climates and seldom thrives well over altitudes of 3,000 ft.The crop requires a warm moist climate in the planting and growing season and a dry sunny weather at harvesting time.Sweet potato are grown only in one season in the Southern districts of Madras i.e.from September-October to February-April.In the Circars and Agency tracts it has generally two seasons.June to September-October and September=October to FEbruary-March.A similar practice exists in Malabar and pats of South Kanra.
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Madras
Agricultural Students Union
Tamil Nadu Agricultural University
Coimbatore - 641 003
Tamil Nadu, India.
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EDITOR-IN-CHIEF
Madras Agricultural Journal (MAJ)
Madras Agricultural Students Union
Tamil Nadu Agricultural University
Coimbatore - 641
003
Tamil Nadu, India.
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