@article{Singh:136536,
      recid = {136536},
      author = {Singh, Jai and Singh, Jai Pal},
      title = {Land and Water (Ab)use Versus Agricultural Sustainability:  A Survey},
      address = {1997},
      number = {408-2016-25427},
      pages = {35},
      year = {1997},
      abstract = {High Yielding Varieties (HYVs) particularly of wheat and  rice have brought about a tremendous increase in food  production. As these HYVs are highly responsive to chemical  fertilizers, pesticides, and irrigation, the cropping  pattern/rotations have changed to maximize farm income.  Such system of crop production has simultaneously increased  the abuse of land and water and  thus induced problem of  agro-ecological imbalance and soil degradation. The  excessive use of canal irrigation has led to problem of  widespread soil salinity and waterlogging and on the other  hand excessive pumping of ground water has lowered the  water table in some areas. The former problem has decreased  the crop yields and cause the displacement of farm labour  whereas the later has increased the cost of irrigation.  Thus both these situations are a serious threat to the  sustainability of agricultural system.},
      url = {http://ageconsearch.umn.edu/record/136536},
      doi = {https://doi.org/10.22004/ag.econ.136536},
}