1. Dobrovolsky G. V., Grishina L. A., Soil protection, Moscow, Publishing House of Moscow state University, 224 (1985)
2. Gafurova L. A., Karimov A., Maxkamova D. Yu., Ablakulov M., Actinomycetes in saline irrigated sierozem-meadow soils of the Syrdarya region (F/F Galaba Bayautskogo foga). Agrarian science-agriculture, 66-68 (2016)
3. Kovda V. A., Problems of protection of the soil cover and the biosphere of the planet. -Pushchino: Onti ntsbi an ussr, 155 (1989)
4. Kuziev R., Sektimenko V., Soils of Uzbekistan, Tashkent, 352 (2009)