Chianki centre is located in Chattisgarh Mahanadi basin (11.0) and western plateau zone in Jharkhand. The climate is hot moist sub-humid. Annual normal rainfall is 1179 mm. The length of growing period is 150-180 days. The annual normal potential evapotranspiration is 1400 – 1600 mm. In some parts of the region, partial water logging in early stages of the crop growth followed by seasonal drought during the rest of the period was observed. The program was implemented by AICRPDA centre, Chianki in Kumbhi and Bankheta villages in Garhwa district, Jharkhand. The total cultivated area was 215 ha, out of which 150 ha was rainfed. The mean annual rainfall is 1280 mm. However, seasonal rainfall of 1032 mm was received during kharif (June - September). The major soil types are sandy loam, clay loam and loam. The major crops during kharif under rainfed are rice, maize, pigeonpea, sesame, etc and rabi crops are chickpea, wheat, lentil, linseed, mustard, etc. The number of small, marginal, medium and large farmers is 131, 69 and 27 respectively. The source of irrigation is rainwater harvested (dam and ahars) covering 30% of cultivated area.
Normal and actual (2012) monthly rainfall at Chianki