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据美国中央大平原研究站科研人员在大平原部分地区连续4年试验,在矮秆的饲料作物牧草田上,每隔9—15米种两行高秆作物冰草保护行,由于积雪和挡风的作用,
According to the United States Central Plains Research Station researchers in parts of the Great Plains for 4 consecutive years of trials in the dwarf forage crop grassland, every 9-15 meters two rows of tall straw crop protection line due to snow and block The role of the wind,