张塘豆角早年从上海市郊区引进，成为山东省滨州市春、秋季栽培的主要地方优良品种。当地气候温和，四季分明，春季气温回升快，光照充足，常年在４月上旬终霜，其土质属黄河下游冲积土壤，pH值７～８。张塘豆角是在当地漫长栽培过程中形成的地方优良品种，但由于菜农只注重种 Zhang Tong beans introduced from the suburbs of Shanghai early years, become the Binzhou City, Shandong Province, spring and autumn cultivation of the main local varieties. The local climate is mild, with four distinct seasons, rapid spring temperatures rise quickly and sufficient light. The soil is generally frosted in early April and the soil is of alluvial soil in the lower reaches of the Yellow River at a pH of 7-8. Zhang Tong beans are cultivated in the local long process of forming local fine varieties, but because farmers pay attention to species