METHOD FOR DETERMINING SOWING DATES OF WARM SEASON CROPS

摘要

the invention u0438u0441u043fu043eu043bu044cu0437u0443u0435u0442u0441u00a0 agriculture u0445u043eu0437u00a0u0439u0441u0442u0432u0435 u0434u043bu00a0 u043eu043fu0440u0435u0434u0435u043bu0435u043du0438u00a0 of thermophilic crops planting.u0434u043bu00a0 this the spring u0438u0437u043cu0435u0440u00a0u044eu0442 daily soil temperature u0441u0435u043cu00a0u043d planned depth of sowing maize and when reaching physical maturity of soil n not later u043fu0440u043eu0433u0440u0435u0432u0430u043du0438u00a0 to + 8 & deg; the average daily u043fu043eu043au0430u0437u0430u0442u0435u043bu00a0 u0432u044bu0441u0435u0432u0430u044eu0442 sample u0441u0435u043cu00a0u043d and rational term u043eu043fu0440u0435u0434u0435u043bu00a0u044eu0442 planting date u043fu043eu00a0u0432u043bu0435u043du0438u00a0 first sprouts at the u043fu043eu0432u0435u0440u0445u043d guests of soil.