Hauv Kalmykia, phytomeliorants yuav cog rau ntawm thaj tsam ntawm ntau tshaj plaub txhiab hectares los tawm tsam cov suab puam.
Nyob rau hauv lub Lagansky thiab Chernozemelsky cheeb tsam ntawm lub teb chaws, nyob rau hauv thiaj li yuav tawm tsam desertification, nws yog npaj rau cog lub leafless juzgun shrub. ...