Abstract
Now for creation of a fertile layer usually use peat-sandy mixes in various parities, which initially do not approach for long-term development of grasses. It leads to that the grassy cover on slopes of roads, city lawns within 2–3 years perishes and is replaced natural by weeds with the vegetation which is not forming strong of sod. The carried out analysis of granulometric structure of soils on which perennial grasses grow, has shown, that as a part of artificial soil the clay containing oozy particles (<0.001 mm) should be an obligatory component. The developed optimising model has shown, that at observance of necessary conditions probably reception artificial soil of middle-loamy granulometric composition possessing optimum physical and agrochemical properties, necessary for long growth of perennial grassy vegetation. As local components it is necessary to use clay, small sand, peat in the parities received at calculation of optimising model. The parity between sand, peat and clay should make 1:2:7. For effect prevention acidification from peat and improvement of agrochemical properties it is necessary to add on 100 kg of a mix of 0.5 kg complex fertilize and 0.2 kg of a dolomitic flour that will provide nutrients to plants while in artificial soil it’s own microflora will not start to work.
Highlights
Western Siberia has been mastered already in the end of 16 centuries
In the city territories which are taken away for lawns and parks, as a rule, the top fertile layer is absent in most cases, on sites sandy or clay breeds are bared
Chernozem or chestnut soils are characterized by the big moisture capacity, water penetration and water elevating ability that in a zone of insufficient humidifying will be the main indicator for development of perennial grasses [1,2]
Summary
Western Siberia has been mastered already in the end of 16 centuries. Active building of cities has begun only in 50th years of last century. They by right are considered young and modern from the point of view of architecture. The townplanning of Western Siberia has faced the major problem - creation of the fertile soil necessary for gardening of city territories. In the city territories which are taken away for lawns and parks, as a rule, the top fertile layer is absent in most cases, on sites sandy or clay breeds are bared. There is a lot of a construction waste and other production wastes
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