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创培土壤团粒结构 提高土壤栽培效益 被引量:3

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摘要 土壤团粒结构是指由若干土壤单粒粘结在一起形成为团聚体的一种土壤结构。因为单粒间形成小孔隙、团聚体间形成大孔隙,所以与单粒结构相比较,其总孔隙度较大。小孔隙能保持水分,大孔隙则保持通气,故团粒结构土壤能保证植物根系的良好生长,适于作物栽培。团粒是由多种微生物分泌的多糖醛酸甙、粘粒矿物以及铁、铅的氢氧化物和腐殖质等胶结而成的。
作者 薛玉霞
出处 《四川农业科技》 2012年第3期46-46,共1页 Sichuan Agricultural Science and Technology
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  • 2柳敏,宇万太,姜子绍,赵鑫.土壤溶解性有机碳(DOC)的影响因子及生态效应[J].土壤通报,2007,38(4):758-764. 被引量:62
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