The study was undertaken to estimate the life of farm ponds under different cultivation practices and Inlets spillways. The study was carried out at farmers' fields in saline track of Purna river valley on 2, 4 and 6 ha catchments of farm ponds. Brushwood and Stone Inlet spillways were provided to protect the farm pond. Across the slope and contour cultivation practices were adopted to enhance the in-situ soil and water conservation in the catchment of the farm ponds. The combination of cultivation practices and type of inlet spillway was used to find out the effect of silt deposition on life of pond. The observations on silt deposition were recorded and estimated the probable life of farm ponds.
The result showed that life span of farm ponds was found enhanced by 10.35 to 22.95 and 30.68 to 65.61 percent in S1T2 and S1T3 respectively over S1T1. While the life span of farm ponds was found enhanced by 13.69 to 36.59, 52.39 to 59.68 and 65.73 to 90.76 percent in S2T1, S2T2 and S2T3 respectively over S1T1, similarly it was found to be enhanced by 21.46 to 35.65 in S3T1 and by 32.87 to 42.27 in S3T2. The pooled analysis was carried out and the analysis revealed that the combination of S2T3 was found statistically superior followed by S2T2 and S2T1. This reveals that the combination of S2T3 is more effective to reduce down the silt deposition in farm pond and increase life span as compared to other combinations.