(a) Kharif: Crops are sown at the beginning of the South -West monsoon and harvested at the end of the South -West monsoon.
Important crops: Jowar, bajra, rice, maize, cotton, Jute, groundnut, sugarcane, tobacco etc.
(b) Rabi: Crops need relatively cool climate during the period of growth but warm climate during the germination of their seed and maturation.
Sowing season- (October -December) and harvesting season (February – April).
Important Crops: Wheat, barley, gram, linseed, mustard, masur, peas and potatoes.
(c) Zaid: Crops which are being raised throughout the year due to artificial irrigation.
(i) ZaidKharif: Sown in August-September and harvested in December-January. Important crops include rice, jowar, rapeseed, cotton and oilseeds.
(ii) Zaid Rabi: Sown in February – March and harvested in April -May. Important crops are watermelon, cucumber, leafy and other vegetables.