Abstract: 2012 Helingeer county corn, potato, soybean sowing in April 30th, June 1st, May 20th and mature in September 27th, September 19th, September 13th. During the whole growth period was 151 days, 111 days and 117 days. During the whole growing period of accumulated temperature were 2896.9℃, 2221.5℃ and 2344.5 ℃respectively, rainfall is 365.7 mm, 387.3 mm and 394.1 mm, the timely irrigation 1; snnshine hours are 1277.7 hours and 1015.7 hours, 918.5h.Temperature, moisture, sunlight conditions meet the basic corn, potato, soybean grow normally required, and over the years compared to the average yield for the harvest year.