METHOD OF TEST OF LAWN GRASS FROM SHADING BY TREES Russian patent published in 2015 - IPC A01G23/00 

FIELD: agriculture.

SUBSTANCE: method of test of lawn grass from shading by trees comprising the selection of the site with tested grass cover, then on this site the groups of sample areas are marked, the marking takes into account the distances between centres of sample sites, and after cutting the grass samples are tested and by results of tests the regularities of influence of distances on parameters of grass samples are determined. Meanwhile, visually or using the site of grassy lawn is selected on the street located along the meridian, after that sample sites are marked, then using the date of the test angles of illumination by the sun and shading by trees of sample areas between sunrise and sunset are determined, in addition to distances between the centres of sample sites the distances from the centers of tree crones to the centers of adjacent sample areas are measured.

EFFECT: invention allows to expand functionalities of determination of influence of darkening on sample sites of lawns.

3 cl, 4 dwg, 1 ex