Just below the foot hills of Himalayas, a narrow strip of land is known as Bhabhar which covers part of Saharanpur and Bijnore districts of the state. Tarai comprises of the central part of Saharanpur district, northern portion of Bijnore, Moradabad, Rampur, Barielly, Pilibhit and Shahjahapur. Temperature vary from 4.30C to 38.40C, while, Relative Humidity varies between 39% in the month of May to 81.7% in the month of July. Average rainfall is 1400 mm. Soil is alluvial in nature, low to medium in phosphorus, medium to high in potassium and high in organic matter. The main crops of the area are wheat and rice. Gram and lentil are the major pulses while rapeseed and mustard occupy the principal position as oilseed crops. Potato, tomato, cole crops, vegetable pea and cucurbits are among the vegetable for the area and mango, guava, litchi, papaya are the major fruits being grown in this zone.
This zone is highly productive with light loam soil situated between the Ganga and Yamuna rivers and their tributaries. This zone includes districts of Meerut, Baghpat, Muzaffarnagar, Ghaziabad, Gautam Budh Nagar, Bulandshahr and part of Saharanpur. Temperature vary from 1.50C to 43.20C, while, Relative Humidity varies between 32% to 85.0%. Average rainfall is 795 mm. Cropping system of the zone oscillate around Sugarcane. Major crops of the zone comprise of sugarcane, wheat, rice, maize, bajara, blackgram, chickpea, groundnut and mustard. Potato, onion, tomato, pea, cole crops, chillies are the major vegetables and mango, litchi, grape, guava and papaya are the major fruit cultivated in the zone. Floriculture is also practiced in this zone.
This zone comprised of the districts of Badaun, Shahjahanpur. J.P. Nagar and part of Moradabad, Rampur, Bareilly and Pilibhit. Average annual rainfall is 1032 mm. The temperature ranges from 4.50C to 45.40C. The soil of the region is mostly alluvial. Soils are neutral to moderately alkaline having medium organic matter. Wheat, rice, sugarcane, bajra, Sorghum, maize, groundnut, rape-seed and mustard, gram, peas, lentil, urd, pigeon pea are the major field crops. Potato, brinjal, cauliflower are the major vegetable crops. Mentha cultivation is also being practiced in this zone at large scale.