method of fertilizing crops дренированных lands

摘要

method of fertilizing crops u0434u0440u0435u043du0438u0440u043eu0432u0430u043du043du044bu0445 lands by making the u043bu0435u0433u043au043eu0440u0430u0441u0442u0432u043eu0440u0438u043cu043eu0433u043e fertilizer into the soil in a dose responsive u043fu043eu0447u0432u0435u043du043du0443u044e u0440u0430u0437u043du043eu0441u0442 to do with the fact that, in order to improve crop yields, fertilizer dose increase in the direction from the middle of u043cu0435u0436u0434u0440u0435u043du044cu044f axes dren u0437u0430u0432u0438u0441u0438u043cu043eu0441u0442u0438D = according to de,where d is the dose of fertilizer at a distance x from the axis u0434u0440u0435u043du044b; d is the dose of fertilizer in the middle u043cu0435u0436u0434u0440u0435u043du044cu044f; e is the base of natural u043bu043eu0433u0430u0440u0438u0444u043cu0430; l is half the distance between the u0434u0440u0435u043du0430u043cu0438; x the distance from the axis u0434u0440u0435u043du044b; a is the function of the hydrogeological conditions and the parameters of drainage.