Articles
Biology today magazine
Biology today magazine published this article page no 18 account of important cereals has been given in the following paragraphs rice is a staple food for the overwhelming majority of population in india. though it is considered to be a crop of tropical humid areas it has about 3000 varieties which are grown in different agro-climatic regions. these are successfully grown from sea level to about 2000 m altitude and from humid areas in eastern india to dry but irrigated areas of punjab haryana western u.p. and northern rajasthan. in southern states and west bengal the climatic conditions allow the cultivation of two or three crops of rice in an agricultural year. in west bengal farmers grow three crops of rice called aus aman and boro. but in himalayas and northwestern parts of the country it is grown as a kharif crop during southwest monsoon season. india contributes 21.6 per cent of rice production in the world and ranked second after china in 2008-09 biology today magazine subscription.