(i) Rice is a Kharif crop requiring high temperature (above 25°C). (ii) Rice requires high humidity with annual rainfall above 100 cm. In the regions of less rainfall, it grows with the help of irrigation. (iii) Rice is sown/planted with the onset of monsoon and harvested in November-December. (iv) It is mainly grown in Bihar, Bengal, Orissa, eastern U.P., Assam, Tamil Nadu.