1. Department of Soil Science and Soil Ecology, Institute of Earth Sciences, Saint Petersburg State University, Saint Petersburg, Russia
2. Land and Water Technologies Department, Arid Lands Cultivation Research Institute, City of Scientific Research and Technological Applications, New Borg El-Arab, Alexandria, Egypt
3. Saint Petersburg State Vocational Educational Institution 'Academy of industrial technologies', St. Petersburg, Kolpino, Russia
4. Saint Petersburg State Agrarian University, Saint Petersburg, Pushkin, Russia