physiographic, climatic and hydrological features and the main soil groups in Haryana State
are briefly described. The results of field experiments conducted at a number of sites over
the past 4-5 years are then reported. These are grouped under (1) drainage investigations in
the pilot project areas,(2) drainage system design and installation, and (3) performance of
the drainage system. Conclusions are made from the results obtained and precautions are …