હઝારે also took steps to stop the second big problem, soil erosion. In order to conserve soil and water by checking the run off, contour trenches and gully plugs were constructed along the hill slopes. Grass, shrubs and about 3 lakh ( 300,000) trees were planted along the hillside and the village. This process was supplemented by afforestation, nullah bunds, underground check dams and cemented bandhras at strategic locations. The Watershed Development programme became a huge success and helped increase the fortunes of many farmers as they now had a reliable source of water. Ralegan has also experimented with drip and bi-valve irrigation in a big way. Papaya, lemon and chillies have been planted on a plot of 80 acres (320,000 m2) entirely irrigated by the drip irrigation system. Cultivation of water-intensive crops like sugar cane was banned. Crops such as pulses, oilseeds and certain cash crops with low water requirements were grown. The farmers started growing high yield varieties of crop and the cropping pattern of the village also changed. He has helped farmers of more than 70 villages in drought-prone regions in the state of Maharashtra since 1975.