2.植物的蒸腾量植物靠根系从土壤中吸收来的水分绝大多数要通过蒸腾作用散失到大气中去例如一株玉米从出苗到结实的一生中大约要从土壤中吸收 Template




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tomski2.植物的蒸腾量植物靠根系从土壤中吸收来的水分绝大多数要通过蒸腾作用散失到大气中去例如一株玉米从出苗到结实的一生中大约要从土壤中吸收 coloring