METHOD FOR TREATMENT OF SOIL ADJOINING TREE AND SHRUB TRUNKS Russian patent published in 2008 - IPC A01B79/02 A01B39/16 

FIELD: agriculture and forestry.

SUBSTANCE: method involves mellowing soil and simultaneously applying fertilizers and hydrogel into cultivated soil and eliminating weed plants; introducing fertilizer and hydrogel in an amount proportional to mellowing depth; mellowing soil to depth corresponding to architectonics of arrangement of tree or shrub root system; calculating soil mellowing depth from formula: h=k[b+(R-r)rgα], where r is distance from tree or shrub trunk to zone of minimal soil mellowing depth; R is distance from tree or shrub trunk to zone of maximal soil mellowing depth; b is minimal needed soil mellowing depth; α is angle of tree or shrub root system relative to soil surface; k is soil mellowing coefficient.

EFFECT: enhanced moisture accumulation and improved development of plants.

2 dwg