LAND IMPROVEMENT METHOD Russian patent published in 1997 - IPC

FIELD: agricultural technology. SUBSTANCE: method can be used for amelioration of humid territories with dense water-resistant under-ploughing horizons and layers. Purpose is optimization of water-air conditions, improvement of water-physical and other properties of soils with dense under-ploughing horizons and layers. This is achieved by loosening of dense under-ploughing horizons and layers of various soils, regulation of water-air conditions in different periods of year both dry and damp by way of growing high-yield perennial fodder crop called sylphia having strong root system and possessing high feeding qualities. EFFECT: high efficiency. 2 cl