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水泥-土基植生固沙材料的制备及水、肥释放特征研究进展
  • ISSN号:1005-023X
  • 期刊名称:《材料导报》
  • 时间:0
  • 分类:S157[农业科学—土壤学;农业科学—农业基础科学]
  • 作者机构:[1]天津城市建设学院材料科学与工程系天津市软土环境与工程特性重点实验室,天津300384
  • 相关基金:国家自然科学基金(50772071)
中文摘要:

综述了植物生长所需的土壤、环境、养分条件,分析了植物生长周期性和吸水剂、控释肥料释放周期规律及植物与水肥间匹配性,进一步考察了4种植生材料——植生型固沙材料、植生型护坡材料、植生型绿化材料和本课题组研制的水泥基植生固沙材料的制备方法及其水、肥释放特征研究进展,提出了一种新的用于恢复植被且具有可抗干旱保肥、耐冲刷、符合植物生长周期性、满足植物相容性和环境适应性的多功能薄层植生型水泥基固沙材料的构想:保水保肥透气功能组分为多孔矿物材料、有机肥、缓控肥和吸水剂,固结功能组分为土壤、水泥、粉煤灰和植物纤维。

英文摘要:

The soil, the environment and nutrient conditions needed by plants growing are reviewed, and the periodicity of plant growth, the release times of absorbent agent and controlled release fertilizers and their matching are analyzed. Then the four types plant-growing materials, including plant-growing fixing-sand materials, plant-growing protecting-slope materials, plant-growing green materials and cement-based plant-growing fixing-sand materials developed recently by our group, and the release characteristics of water absorbents and controlled release fertilizers are investigated. The concept of thin-layer multifunctional cement based plant-growing fixing-sand materials with preventing arid,maintaining fertilizer effectiveness, resisting erosion, consistenting with plant growth periodicity, meeting the plant compatibility, adapting environment for the purpose of ecological restoration is proposed. The functional compo nents of maintaining the effectiveness of water and fertilizer consist of the porous mineral materials, organic fertilizer, controlled release fertilizers and water absorbents,and the functional components of consolidation consist of soil, cement, fly ash and plant fiber.

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期刊信息
  • 《材料导报:纳米与新材料专辑》
  • 主管单位:重庆西南信息有限公司(原科技部西南信息中心)
  • 主办单位:重庆西南信息有限公司(原科技部西南信息中心)
  • 主编:
  • 地址:重庆市渝北区洪湖西路18号
  • 邮编:401121
  • 邮箱:matreved@163.com
  • 电话:023-67398525
  • 国际标准刊号:ISSN:1005-023X
  • 国内统一刊号:ISSN:50-1078/TB
  • 邮发代号:
  • 获奖情况:
  • 国内外数据库收录:
  • 被引量:3397