生物质炭浸提液对大蒜生长品质及土壤的影响  

Effects of Biochar Extract on Growth Quality of Garlic and Soil Properties

作　　者：卓亚鲁 李磊[1] 郑金伟[1] 刘晓雨[1] 李恋卿[1] 潘根兴[1] 

机构地区：[1]南京农业大学农业资源与环境研究所,江苏南京210095

出　　处：《水土保持通报》2017年第5期81-85,共5页Bulletin of Soil and Water Conservation

基　　金：国家科技支撑计划"典型陆地生态系统减排增汇增产关键技术及示范"(2015BAC02B00)

摘　　要：[目的]证实生物质炭中的水溶性有机碳对作物生长和品质的作用,为生物质炭的应用开辟新的途径。[方法]在实验室制取400,450,500℃小麦秸秆生物质炭,以KOH溶液浸提水溶性有机碳获得生物质炭浸提液W_(400),W_(450),W_(500),并应用于盆栽大蒜试验,研究其对大蒜生长、品质及土壤的影响。[结果](1)W_(400),W_(450),W_(500)对大蒜的生长都没有显著影响;(2)W_(400)处理使大蒜可溶性糖的含量显著提高了27.53%,土壤有机质和速效磷含量分别提高37%,26%;(3)W_(450)处理下大蒜维生素C、大蒜素含量分别显著提高34.9%和8.2%。[结论]生物质炭浸提液对大蒜生长没有影响,但可以提高大蒜品质。[Objective]To demonstrate the effects of water-soluble organic carbon in biochar for crop growth and quality and to open up new pathway for the application of biochar.[Methods]Three wheat straw biochar samples at 400 ℃,450 ℃,500 ℃ were prepared in laboratory,and corresponding water-soluble organic carbons were extracted with KOH solution to obtain biochar extracts of W（400）,W（450）,W（500）.Furthermore,the extracts were applied in potted garlic test and the effects on garlic growth,quality and soil were measured.[Results]（1）W（400）,W（450）,W（500） had no significant effects on the growth of garlic.（2）W（400） treatment increased the content of garlic soluble sugar by 27.53%,increased soil organic matter and available phosphorus by 37%,26%.（3）Garlic vitamin C,allicin content in the treatment of W（450） was significantly increased by34.9%and 8.2%.[Conclusion]Biochar extract has no effect on the growth of garlic,but it can improve the quality of garlic.

关 键 词：小麦炭浸提液 温度 大蒜 品质 土壤理化性质 

分 类 号：S145.2[农业科学—肥料学]