张千丰,王光华

• 1:中国科学院黑土区农业生态重点实验室
• 2:中国科学院东北地理与农业生态研究所
• 3:中国科学院大学

摘要(Abstract)：

生物炭是生物质材料在无氧或缺氧条件下经高温裂解形成的物质。生物炭的理化性质与基质、热解温度、热解时间和氧气的含量有关。总体而言,生物炭具有芳香族的多C结构,难于被微生物降解,可以在土壤中存在很长一段时间,增加土壤碳库储量,抑制温室气体CH4和N2O的排放,被认为是解决温室效应的有效措施之一。生物炭具有较高的CEC、弱碱性、低密度和较高的C/N比等性质,可被用作土壤改良剂,改善土壤的理化性质,提高土壤的保肥持水能力。生物炭还具有多孔状结构,较大的比表面积、部分易分解碳源和氮源,是土壤微生物的有利栖息地,可增加土壤微生物的多样性,促进菌根菌的生长。生物炭不是一种新材料,但具有新的用途,最后文章对生物炭今后的研究进行了展望。参74。

关键词(KeyWords)： 生物炭;土壤理化性质;固炭潜力;土壤改良

Abstract:

Keywords:

基金项目(Foundation): 黑龙江省杰出青年科学基金(JC201116);; 黑龙江省科技攻关(GC12B104)

作者(Author): 张千丰,王光华

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