PASTURE GROUND, GROUND BASE, AND GROUND PREPARING METHOD Russian patent published in 2001 - IPC

FIELD: agriculture. SUBSTANCE: animal pasture ground is fenced and provided with prepared base. Shed is symmetrically hung adjacent to long side of ground on poles at height of at least 6 m. Ground base is made in the form of trench with loam, large-size crushed stone, sand and bank sand, which are arranged layer by layer. Method involves ramming trench bottom; laying dry loam and repeatedly ramming it so as to form flat surface with uniform density; successively placing large-size crushed stone, sand and bank sand. Method provides protection of ground water from contamination with animal activity wastes. EFFECT: simplified construction and method and improved ecology control. 4 cl, 1 dwg