中国农业科学Issue(5)：1035-1040,6.DOI:10.3864/j.issn.0578-1752.2015.05.21
模拟降水条件下生物炭对酸性红壤理化性质的影响
Effects of Biochar on Physico-Chemical Properties of Acid Red Soil Under Simulated Rainfall Condition
摘要
Abstract
[Objective] Purposes of this study are to determine if biochar has effects on red soil under precipitation conditions, and the difference between no-fertilization soil and fertilization soil.[Method]A rainfall simulation experiment was carried out with different biochar levels (biochar/soil: 0%, 1%, 2% and 3%) on red soil, and some characters such as soil available phosphorus (SAP), available potassium (SAK), nitrate nitrogen (SNN), ammonium nitrogen (SAN), organic carbon (SOC) and active aluminum (SAA) were determined.[Result]Under precipitation conditions, the variation of SAN, SOC, SAA and pH in red soil was observably. When 3% biochar was added, the change of soil characters was most significantly. Compared with the no-fertilization control (CK), soil pH raised by 0.60, SAA decreased by 91.1%, the descent range of SAK decreased by 9.5%, the descent ranges of SAP and SNN, respectively, increased by 33.2%, 40.5% in no-fertilization soil with 3% biochar application. Compared with the fertilization control (F), soil pH raised by 1.09, SAA decreased by 94.8%, the descent range of SAK decreased by10.3%, the descent ranges of SAP and SNN, respectively, increased by 23.4% and 21.9%, SOC and SAN, respectively, increased by 23.6% and 5.4% in fertilization soil with 3% biochar application rate.[Conclusion]Under precipitation conditions, biochar was propitious to maintain SAP, improved soil pH and SOC, and decreased SAA, especially in red soil with fertilizer application.关键词
生物炭/模拟降水/红壤/土壤理化性状/施肥Key words
biochar/simulating rainfall/red soil/soil characters/fertilization引用本文复制引用
朱盼,应介官,彭抒昂,姜存仓..模拟降水条件下生物炭对酸性红壤理化性质的影响[J].中国农业科学,2015,(5):1035-1040,6.基金项目
国家公益性行业（农业）科研专项 （）
