Selecting spring wheat variety Kefeng 12 to study the effect of three different type soils on the yield combining climate condition.The results showed that the yield order was black sand loamy> leached chernozem> meadow chernozem in three soil types,the yields of Kefeng 12 were 6 633.6,5 305.8 and 5 261.4 kg·hm-2,respectively.Kefeng 12 got higher yield in Harbin area due to fertility effective use and better moisture content of black sand loamy,the soil moisture content of Keshan farm leached chernozem was ...