农学学报2026，Vol.16Issue(3)：1-9,9.
不同生物炭种类和施用率对水稻生长特性的影响
Effect of Different Biochar Species and Application Rates on Growth Characteristics of Rice
摘要
Abstract
To clarify the influence mechanism of biochar types and application rates on rice growth and optimize its field application,this study used four distinct biochar(rice hulls,coffee residue,peanut hulls and soybean straw)as materials,and set 0%-5.0%gradient application rate to analyze its effect on the growth and development of rice(Oryza sativa L.).The findings demonstrated that biochar significantly promoted rice growth.However,the optimal biochar type and biochar application rate were found to vary.In comparison with the control group,the total dry weight of the biochar treatment group exhibited an average increase of 70.3%,with rice husk biochar and coffee grounds biochar demonstrating the highest increases at an application rate of 5.0%.The impact of biochar on the various growth components of rice plants exhibited variability.The leaf mass fraction generally increased,while the stem and root mass fractions were relatively stable,and the root dry matter content was significantly increased(e.g.,the rice husk biochar treatment group increased by 7.8%).In addition,all biochar increased leaf mass per unit area,indicating that they may promote yield increase by enhancing photosynthetic efficiency.Studies have shown that the growth-promoting effect of biochar on rice is regulated by both species and application rate.It is necessary to optimize the application scheme in combination with crop demand and soil conditions to fully tap its sustainable application potential in green agriculture.关键词
生物炭/施用率/水稻/生长/可持续发展Key words
biochar/application rate/rice/growth/sustainable development分类
农业科技引用本文复制引用
孙露宏,黄姝涵,艾琳,刘旭..不同生物炭种类和施用率对水稻生长特性的影响[J].农学学报,2026,16(3):1-9,9.基金项目
中国绿色食品发展中心农产品品质规格营养功能评价项目"黑土地特色农产品独特营养品质识别与评价"(GF-TSPZ-2024021) （GF-TSPZ-2024021）
黑龙江省省属科研院所科研业务费项目"寒地水稻粒型诱变突变体育种应用"(CZKYF2025-1-B010). （CZKYF2025-1-B010）
