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Application of GIS on small farm and dairy management: SARSA green, Durgapur, West-Bengal Geology & Soils The topography of the land is undulating. Dry loose gravels of different sizes cover the central part of the area under study. But there is an impervious clay layer below the gravel zones, which does not allow the subsurface runoff to reach the formation. There is a wide variation of lithology up to a depth of 20-120 mt in the study area. Thick extensive lenticular clay layer exists through out the proposed project area. Clay thickness varies between 35m and 75m towards the eastern side where as in the northwestern side it varies between 50m and 80m. In the western part clay thickness is comparatively small (20-30m). In spite of the irregular lateral variation in lithology in the Sarasa Green Project site up to a considerable depth, regularity in the behavior of the lower clay sand section has been observed. (Fig. 3). Socio-Economic condition There are three villages in the neighborhood of the project site viz, Hetedoba, Bansgora and Ichapur. It was thought desirable to have some ideas about these villages and their inhabitants which could indicate the type the people around, their economic condition, literacy state and availability of local labour, a survey was therefore conducted to access the situation properly. The village Ichapur being the largest of the three has almost all the communities like Brahmins, Gope, Karmakar, Sutradhar, Kulu, and Dom etc. The other two villages have Brahmin, Gope, and Rajput, Santal etc. The average size of the family was found to be 5.40 in Ichapur, 7.50 in Hetedoba, 6.80 in Bansgora. Mainly SC & ST families dominate these villages. Agricultural activities keep about 17.67% of the people busy while 23.72% is engaged as daily labour for agricultures well as other activities around. Only 6.97% is employed in some Organizations at Durgapur and other areas while 6.07% is engaged in small business. As a result job opportunities is very limited for full time engagement of the work force. 
Fig 3: Surface Filter Image of the Study Area (Scale 1.45037) The average income ranges between Rs 3001-6000/- per family per year for 50.01% of the families while some of the SC and ST families get above Rs. 10000/-per year while about 7.84% families earn between Rs 6001-10,000/- per year and 9.80% earn below Rs. 3000/- per year. It there fore appear that sufficient manpower will be available for the project for its various operations like fodder production, feed milking, dairy farming etc as unskilled labour force for the project. This will improve the financial condition of the villagers and bring about a socioeconomic upliftment in the villages, as they will be assured of round the year engagement. Those engaged in agriculture will also get an encouragement and higher return from the land through round the year cultivation of green fodder will be purchased by the project at a remunerative price. Database Survey of India (SOI) TopO sheets The Topo sheet on 1:50,000 scales are used in the preparation of base maps onto which the interpretation details are transferred. The area is covered by one topo sheet no.73M/6 published under the Direction of Dr. H. Narain (Surveyor General of India.1975). 
Fig 4: Satellite Image Showing River Ajay & Damodhar including Study Area Ancillary data Statistical abstract, Available ground water information from Geo Exploration Services (Headed by Dr. H. P. Patra. Professor of Geophysics, Dept. of Geology and Geophysics. Indian Institute of Technology, Kharagpur.) and Survey Report. Remote sensing data IRS-1D/PAN D4 geocoded on 1:12,000 scales. and standard FCC have been used in the above study area. IRS-1D path row covers the study area on 28Jan-2001. Also we used ISS-III image for stereo pairing. (Fig. 4) |