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"Agricultural Technology Application Research Institute (ATARI)" Patna The Zonal Project Directorate ( Zonal Coordinating Unit), Zone-IV was established as a body to monitor and coordinate lab to land programmes conducted by 63 KVKs situated in Bihar and Jharkhand . Union Minister for Agriculture and Farmers’ Welfare, Radha Mohan Singh laid foundation stone of Agricultural Technology Application and Research Institute (ATARI) at Patna, on 20th August 2015. ATARI Patna Zone IV started officially at the office premises located at Central Potato Research Station , Sahaynagar station Patna 80506. With an objective to provide a platform for various KVKs to interact, bridge and work the Zonal Project Directorate (ZPD), Zone-IV came into existence during the year 2017. A total number of 39 KVKs in Bihar and 24 KVKs in Jharkhand work under the monitoring and coordinating head of ATARI ,Patna Zone IV


Agro-Climatic Regions of Jharkhand


Agro Climatic Zone Districts Soil pH Initiation / Cessation of Rainfall Total Temperature
Zone 1
1.   Chatra, Koderma, Hazaribag, Ramgarh*, Bokaro, Dhanbad, Giridih, Deoghar, Dumka, Pakur, Godda, Jamtara, Sahibganj and Ranchi Erratic and uneven distribution of rainfall. Coarse textured soils. Crust formation on the soil surface. Low water retention capacity of the soils. Lack of safe runoff disposal and drying of the tanks. 4.2 18th June to 13th October 1270 44.2
4.8
Zone 2
2.   Western Plateau Garhwa, Palamu, Latehar, Lohardaga, Simdega, Gumla and Khunti* Erratic and uneven distribution of rainfall. Low water retention capacity of the soils 4.5 18th June to 13th October 1220 43.6
5.3
Zone 3
3.   South - eastern Plateau East Singhbhum, West Singhbhum and SaraikelaKharsawan Minimum Uneven distribution of rainfall. Low water holding capacity, eroded soils. Shallow soil depth. Poor soil fertility. 4.3 18th June to 13th October 1210 44
6.6

Bihar


Agro Climatic Zone Districts Soil pH Initiation / Cessation of Rainfall Total Temperature Important Cropping Sequence
Zone 1
1.   Agro-climatic zone I (Northern West) West Champaran, East Champaran, Siwan, Saran, Sitamarhi, Sheohar, Muzaffarpur, Vaishali, Madhubani, Darbhanga, Samastipur, Gopalganj, Begusarai Sandy loam, Loam 6.5 - 8.4 12th June/30th September to 10th October 1040-1450(1245.00) Max : 36.6
Min : 7.7
Ricw -Wheat, Rice-Rai, Rice Sweet Poatato, Rice Maize (Rabi), Maize-Wheat, Maize-Sweet Potato, Maize Sweet Potato, Maize Rai, Rice-Lentil
Zone 2
2.   Agro-climatic Zone II (Northern East) 1. Purnea, Katihar, Saharsa, Supaul, Madhepura, Khagaria, Araria, Kishanganj Sandy Loam, Clay Loam 6.5 - 7.8 7th June/30th September to 10th October 1200-100 (1450.00) Max : 33.8
Min :8.8
Jute-Rice, JuteWheat, JutePotato, JuteKalai, JuteMustard, RiceWheat-Moong, Rice-Toria
Zone 3
3A.   Afro-climatic zone III A (Southern East) Sheikhpura, Munger, Jamui, Lakhisarai, Bhagalpur & Banka Sandy Loam, Clay Loam, Loam, Clay 6.8 - 8.0 15th June/30th September to 10th October 990-1240 (1115.00) Max : 37.1
Min : 7.8
Rice-Wheat, Rice-Gram, RiceLentil, Rice Rai
3B.   Agro-climatic zone IIIB (Southern West) Rohtas, Bhojpur, Buxar, Bhabhau, Arwal, Patna, Nalanda, Nawada, Jehanabad, Aurangbad, Gaya. 10th June / 30th September to 10th October Max :
Min :