METHOD OF DETERMINING DOSES OF PHOSPHOGYPSUM FOR RECLAMATION OF SOLONETZ SOILS

摘要

the invention u043eu0442u043du043eu0441u0438u0442u0441u00a0 rural u0445u043eu0437u00a0u0439u0441u0442u0432u0443, in particular to the reclamation of salt affected soils and can be used u0434u043bu00a0 u043eu043fu0440u0435u0434u0435u043bu0435u043du0438u00a0 doses u043cu0435u043bu0438u043eu0440u0430u0442u0430. purpose u0438u0437u043eu0431u0440u0435u0442u0435u043du0438u00a0 u00a0u0432u043bu00a0u0435u0442u0441u00a0, labour productivity in the analysis.method includes determining capacity exchange, exchange and u0432u043eu0434u043eu0440u0430u0441u0442u0432u043eu0440u0438u043cu043eu0433u043e u043du0430u0442u0440u0438u00a0, density u043cu0435u043bu0438u043eu0440u0438u0440u0443u0435u043cu043eu0433u043e u0441u043bu043eu00a0, mixing model of soil with u0444u043eu0441u0444u043eu0433u0438u043fu0441u043eu043c in full analysis on the content of the exchange u043du0430u0442u0440u0438u00a0, cooking water or mixtures u0442u0438u0442u0440u043eu0432u0430u043du0438u0435 or 0.1 n. solution NAOH until ph = 7.5, the definition of dose meliorant formula d = H.V. [0086 (p, pn).K - n / a (58 + 0.5)], where d is the dose u0444u043eu0441u0444u043eu0433u0438u043fu0441u0430 t / ha;h - power u043cu0435u043bu0438u043eu0440u0438u0440u0443u0435u043cu043eu0433u043e u0441u043bu043eu00a0, see;v - density u043cu0435u043bu0438u043eu0440u0438u0440u0443u0435u043cu043eu0433u043e u0441u043bu043eu00a0 t / m3, the p content of the exchange u043du0430u0442u0440u0438u00a0 in u043cu0435u043bu0438u043eu0440u0438u0440u0443u0435u043cu043eu043c layer mg - 100 g soil co2;pn is the number of inactive u043du0430u0442u0440u0438u00a0, mg - 100 g soil co2;k is the conversion factor to the pure gypsum;h is the volume of the hollow, hits on the u0442u0438u0440u043eu0432u0430u043du0438u0435, ml;a u043du0430u0432u0435u0441u043au0430 soil u0432u0437u00a0u0442u0430u00a0 u0434u043bu00a0 u043fu0440u0438u0433u043eu0442u043eu0432u043bu0435u043du0438u00a0 suspension, mr.;b is the number of u0432u043eu0434u043eu0440u0430u0441u0442u0432u043eu0440u0438u043cu043eu0433u043e na,% na, 5;the empirical coefficients of 0.5. method u043fu043eu0437u0432u043eu043bu00a0u0435u0442 quickly to determine the dose u0444u043eu0441u0444u043eu0433u0438u043fu0441u0430 reclamation of salt affected soils u0434u043bu00a0 the acidic properties of the u0444u043eu0441u0444u043eu0433u0438u043fu0441u0430 and buffer properties of the soil.