建立了一个描述土壤中热、湿、气耦合迁移的数学模型,对有冬小麦生长的圆柱形土壤床中的氧气浓度场进行了数值模拟.结果表明,土壤床中的氧气浓度场与冬小麦的生长发育阶段、土壤的孔隙率以及土壤床的高度等因素密切相关.
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