Monitoring of formation the cultural phytocenosis of alases in cryolithozone of Vilyui basin in Yakutiya

For the first time in conditions of cryolithozone are lead the monitoring researches of meadows cultural phytocenosis (thirty second - thirty fifth year of life) on a background of various levels of plant nutrition. The opportunity of long (till 35 years and more) maintenance the productive meadow of cultural phytocenosis with stable majorants - wheat grass creeping (Elytrigia repens), barley short-arista (Hordeum brevisubulatum) is proved at annual entering the artificial fertilizers and minimization of soil cultivation.