Abstract:Some cultivated tests were made in plain lake region of Jiayu county on silviculturing in different stands and different kind of soils with southern type of series black poplar by a combination of puantitative & qualitative research method. Through analysing the data continously-measured from constant stumps, they found that the growth increments for the different site type's stands all reach or surpass the high-yield and fast growth standard values for italian poplar promulgated by Hubei province;their economic,eco1ogical and social effects are remarkable.