摘要
通过室内用PVC管装土土柱模拟法,对宁南山区不同质地土壤增施生物炭后持水能力的变化进行研究。分别对黄绵土、黑垆土在使用不同质量梯度生物炭的情况下水分入渗特性、自然含水量、淋溶液体积变化的试验研究,明确生物炭对不同质地土壤水分保蓄能力的影响。结果表明:随着生物炭量增加,土壤保水能力增强,黑垆土中施入生物炭后保水性能优于黄绵土。
Through the indoor PVC pipe installed soil column simulation method, the change of water storage capacity of different texture soil with the increasing application of biochar in mountainous area of southern Ningxia were studied. Using the gradient applying amount of bioehar on loessial soil and Heilu soil,experimental study on changes of water infiltration characteristics, natural water content,leaching solution volume were conducted, so as to explore the effects of biochar on water storage capacity of different texture soil. Results showed that with the increase of the amount of biochar, soil water capacity enhanced. With the application of biochar, preserving water performance of Heilu soil was better than that of loessial soil.
作者
张新学
张国辉
郭鑫年
余帮强
王收良
张建虎
郭志乾
ZHANG Xin-xue ZHANG Guo-hui GUO Xin-nian YU Bang-Qiang WANG Shou-liang ZHANG Jian-hu GUO Zhi-qian(Guyuan Branch, Ningxia Academy of Agriculture and Forestry Sciences, Guyuan Ningxia 756000 Institute of Resources and Environment, Ningxia Academy of Agriculture and Forestry Sciences)
出处
《现代农业科技》
2016年第19期183-184,共2页
Modern Agricultural Science and Technology
基金
增施生物炭对宁南山区马铃薯土壤理化性状及水分运移的影响研究(NKYQ-14-07)
马铃薯节水高效关键技术研究与示范(2012BAD06B03)
生物质炭对于扬黄灌区土壤水分运动和利用的影响机理与效应(51269025)
关键词
生物炭
土壤水分
土壤质地
宁南山区
biological carbon
soil water content
soil texture
mountainous area of southern Ningxia
