Improving the hydro-physical properties of soil using biodegradable polymers

Abstract

The work reflects the effectiveness of introducing biodegradable polymers and an interpolymer complex based
on them into the light kastanozem soil of the dry-steppe zone of the East Kazakhstan region. The merits of these polymers
are noted due to their complete decomposition. The composition of interpolymer complex based on chitosan and sodium
carboxymethylcellulose is studied, according to which polymers were introduced into the soil. The influence of the application
of this soil treatment type on its main agrochemical parameters, resistance to water washout of the upper soil layer on a model
setting, on the growth and development of «Rudolf» radish has been investigated. Results of the experiment show an increasing
of moisture holding and a decreasing of the water permeability, which ensures the retention of moisture in the soil layer and a
low possibility of water flowing through the soil lower layers. This kind of soil treatment increases its resistance to washing out
with water and positively affects the morphometric indicators of «Rudolf» radish.