METHOD OF DETERMINING AND PREDICTING SANITARY-HYGIENIC CONDITION OF SOIL IN INDUSTRIAL PIG-BREEDING ZONE Russian patent published in 1999 - IPC

FIELD: agriculture. SUBSTANCE: method is distinguished by that, when analyzing soil, including determination of ammonia-forming microflora, additionally activities of enzymes catalase, nitratereductase, and urease are determined. From the totality of analyses performed, three phases of soil stress are marked out and soil restoration works are envisaged taking in consideration soil stress phase. EFFECT: enhanced efficiency in prediction of soil condition and self-restoration of soil. 3 cl, 3 dwg, 2 tbl