高氮土壤下腐植酸与不同量生物炭配施对甜高粱生长及氮素吸收影响研究

doi:10.19640/j.cnki.jtau.2019.04.002

天津农学院学报 ›› 2019, Vol. 26 ›› Issue (4): 5-8.doi: 10.19640/j.cnki.jtau.2019.04.002

高氮土壤下腐植酸与不同量生物炭配施对甜高粱生长及氮素吸收影响研究

赵思文, 王茜, 裴志强, 王媛媛, 谭芳, 谈光野, 王琪, 温玉鑫, 卢树昌^通信作者

天津农学院农学与资源环境学院,天津 300384

收稿日期:2019-03-25 发布日期:2020-01-19
通讯作者: 卢树昌（1970-）,男, 教授,博士,从事农田土壤质量与植物营养的教学与科研工作。E-mail：lsc9707@163.com。
作者简介:赵思文（1997-）,女,本科在读,从事农田土壤与作物生长环境关系方面研究。E-mail: 1250604110@qq.com。
基金资助:
天津市大学生创新训练计划项目（201810061064）; 国家重点研发计划项目（2016YFD0801006）

Effects of humic acid and different amounts of biochar on the growth and nitrogen uptake of sweet sorghum in high nitrogen soil

ZHAO Si-wen, WANG Xi, PEI Zhi-qiang, WANG Yuan-yuan, TAN Fang, TAN Guang-ye, WANG Qi, WEN Yu-xin, LU Shu-chang^{Corresponding Author}

College of Aronomy and Resources Enviroment, Tianjin Agricultural University, Tianjin 300384, China

Received:2019-03-25 Published:2020-01-19

摘要/Abstract

摘要： 本试验采用生物炭和腐植酸两种调理剂配合施用,共设5个处理,除一个空白处理外,其他处理的腐植酸施用量不变,生物炭添加量分别占土重的0.25%、0.50%、0.75%、1.00%。结果表明：腐植酸施用量不变时,添加0.25%~0.75%生物炭有利于甜高粱的生长,而添加0.25%生物炭有利于甜高粱干生物量增加,促进甜高粱对于土壤中氮素的吸收,提高氮素利用率。

关键词: 腐植酸, 生物炭, 甜高粱, 氮素

Abstract: This test used biochar and humic acid two conditioning agents in combination.There were five treatments in this experiment. Except for one blank treatment, the other applied humic acid application amount was unchanged, and the amounts of biochar added were 0.25%、0.50%、0.75% and 1.00% of soil weight respectively. The results showed that 0.25%~0.75% biochar was beneficial to the growth of sweet sorghum. 0.25% biochar was beneficial to the increase of the biomass of sweet sorghum. It could promote the absorption of nitrogen in the soil and improve the nitrogen utilization rate by sweet sorghum.

Key words: humic acid, biochar, sweet sorghum, nitrogen

中图分类号:

S514
S156.2

赵思文, 王茜, 裴志强, 王媛媛, 谭芳, 谈光野, 王琪, 温玉鑫, 卢树昌. 高氮土壤下腐植酸与不同量生物炭配施对甜高粱生长及氮素吸收影响研究[J]. 天津农学院学报, 2019, 26(4): 5-8.

ZHAO Si-wen, WANG Xi, PEI Zhi-qiang, WANG Yuan-yuan, TAN Fang, TAN Guang-ye, WANG Qi, WEN Yu-xin, LU Shu-chang. Effects of humic acid and different amounts of biochar on the growth and nitrogen uptake of sweet sorghum in high nitrogen soil[J]. Journal of Tianjin Agricultural University, 2019, 26(4): 5-8.

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http://xuebao.tjau.edu.cn/CN/Y2019/V26/I4/5

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高氮土壤下腐植酸与不同量生物炭配施对甜高粱生长及氮素吸收影响研究

Effects of humic acid and different amounts of biochar on the growth and nitrogen uptake of sweet sorghum in high nitrogen soil

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