Quality return (collector-drain) water and the possibility of their repeated use to irrigate salt-resistant cultures in the conditions of the Republic of Karakalpakstan

The article discusses the perennial changes in the average annual discharge of the Amudarya river basin, the use of land and water resources of a given territory and the quality of return water and its reuse for irrigation of salt-resistant crops under the conditions of the Republic of Karakalpakstan. Practical and scientific recommendations for solving these problems are proposed.