Shrubs trees
Joanna 
Common cherry (Prunus cherry)
Appearance: A smaller tree or an overgrown shrub reaching up to 6-5 m in height, with very wide, loose, a slightly irregularly shaped crown on a low trunk, which, just above the ground, divides into numerous branches, roughly the same thickness.
Kora …
Preparation of heavily infested soils, especially with perennial weeds, it can cause many additional difficulties. Dicotyledonous weeds are quite easy to combat with chemicals. However, these measures can only be used in places intended for the lawn. If other plants are to be planted in the plane of the lawn, …
The phenomenon of the disappearance of loosening, that is, subsidence, creates a lot of trouble in practice, because it very often causes the surface of the lawn to ripple. The consequences of this phenomenon can be very clear, if the lawn is set up on high embankments that are not sufficiently compacted. Therefore, before setting up a lawn on the embankment, it is necessary …
The most important purpose of soil cultivation for the lawn is to give it a certain porosity. As you know, porosity depends on the mechanical composition of the soil. If it is possible to bring the correct proportion of the basic soil fractions, this is the way to ensure the most durable porosity. So talc for light soils, …
Diagram of the "Cell System" installation for regulating the moisture level of the lawn: 1 - foil separating the installation from the ground, 2 - perforated plastic pipes ø 75 mm. stacked horizontally,-3 - main longitudinal cord (collecting and powering) stacked with a slope, 4 - gravel …
Drainage is performed in the following sequence. The whole area is very carefully leveled on the horizontal plane located o 27-35 cm below the design lawn soil height. A layer of fine gravel is not included in the thickness, because it will fill in the unevenness of the layer …
Drainage of grassy sports grounds with a net of drains and collectors turned out, in many cases unsatisfactory. This is due to soil subsidence and a decrease in soil porosity due to various factors. These phenomena cause the reduction of non-capillary voids, …
The underground ones are much better, covered drainage channels. Such channels are built this way, that at an appropriate depth in a narrow trench, ceramic or other pipes with holes are placed, permitting seepage of water.
Covered channel draining groundwater: 1 — …
Some types of soil with impermeable clay soil or with a high level of groundwater may exhibit excessive moisture at certain times.. Excessive moisture is understood to mean that the voids between soil particles are completely filled, persistent for longer periods. This phenomenon is observing …
Before sowing, the soil surface should be smooth and not contaminated. Most undesirable, and sometimes even dangerous, there is pollution, such as different stones, pieces of debris, wires, etc.. Leaving such contaminants on the soil surface may damage the mower cutting elements: im …