Waterlogging and salinization caused by excess and indiscriminate irrigation threatens the sustainability of agricultural production and the environment in Northwest India. Knowledge of the soil water and salt balances is required to maintain crop productivity and state conditions of the soil at an acceptable level. Alternative water management scenarios through alternative irrigation and drainage techniques were diagnosed with the SWASALT simulation model. Technical recommendations are given in relation to soil type. If drainage will not be introduced in areas prone to shallow water-tables and if current irrigation water distribution policies continue, managers must accept deterioration of modern agriculture.
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