[1]范弟武,等.稻壳炭施加对设施土壤的改良效果[J].江苏农业学报,2016,(02):345-350.[doi:10.3969/j.issn.1000-4440.2016.02.017]
　FAN Di-wu,LI Xiu-zhi,HUANG Bin,et al.Improving effects of rice husk char on greenhouse soil[J].,2016,(02):345-350.[doi:10.3969/j.issn.1000-4440.2016.02.017]
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稻壳炭施加对设施土壤的改良效果()
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江苏农业学报[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2016年02期
页码:
345-350
栏目:
耕作栽培·资源环境
出版日期:
2016-03-20

文章信息/Info

Title:
Improving effects of rice husk char on greenhouse soil
作者:
范弟武1;  2;  李秀芝2;  黄 斌2;  韩建刚1;  2
1.南京林业大学 江苏省南方现代林业协同创新中心,江苏 南京 210037; 2.南京林业大学生物与环境学院,江苏 南京 210037
Author(s):
FAN Di-wu1; 2;  LI Xiu-zhi2;  HUANG Bin2;  HAN Jian-gang1; 2
1.Collaborative Innovation Center of Sustainable Forestry in Southern China of Jiangsu Province, Nanjing Forestry University, Nanjing 210037, China; 2.College of Biology and Environment, Nanjing Forestry University, Nanjing 210037, China
关键词:
稻壳炭;  设施土壤;  生菜
Keywords:
rice husk char;  greenhouse soil;  lettuce
分类号:
S156
DOI:
10.3969/j.issn.1000-4440.2016.02.017
文献标志码:
A
摘要:
向已利用10年的设施土壤中施加0 g/kg、4 g/kg、8 g/kg、10 g/kg、15 g/kg、20 g/kg、40 g/kg、60 g/kg、80 g/kg稻壳炭进行生菜盆栽试验,以期明确稻壳炭施加对设施土壤的改良效果。结果表明:与对照组相比,施加稻壳炭80 g/kg后,土壤pH增加11.2%,可有效改善土壤酸化问题; 40 g/kg、60 g/kg、80 g/kg稻壳炭施加后,土壤电导率(EC)分别增加34.4%、34.7%、37.1%; 稻壳炭添加量为8 g/kg、10 g/kg、15 g/kg、20 g/kg、40 g/kg、60 g/kg时,生菜地上部分鲜质量分别增加59.2%、55.3%、68.1%、91.2%、59.9%、108.7%,说明施加8～15 g/kg稻壳炭同样有很好的增产效果; 施加4 g/kg稻壳炭时,生菜中全氮含量增加了22.1%,效果明显优于高施加量处理。因此,综合稻壳炭对设施土壤的改良效果及经济效益等考虑,在改良设施土壤时,以施加8～10 g/kg的稻壳炭为宜。
Abstract:
A lettuce pot experiment was carried out by mixing 0 g/kg,4 g/kg,8 g/kg,10 g/kg,15 g/kg,20 g/kg,40 g/kg,60 g/kg,80 g/kg of rice husk char with greenhouse soil which has been used about ten years to define the improvement effects of rice husk char. Compared with the control(no rice husk char), applying 80 g/kg of rice husk char resulted in an increase of soil pH by 11.2%, which effectively improved the soil acidification. High-dose(40 g/kg, 60 g/kg and 80 g/kg)of rice husk char increased the electrical conductivity of soil by 34.4%, 34.7% and 37.1% respectively. The above-ground fresh weight of lettuce were boosted by 59.2%,55.3%,68.1%,91.2%,59.9% and 108.7% respectively by application of 8 g/kg, 10 g/kg, 15 g/kg, 20 g/kg, 40 g/kg, and 60 g/kg rice husk char, indicating that low doses(8—15 g/kg)of rice husk char achieved a yield-raising effect. The total nitrogen content in lettuce was increased by 22.1% at low dose(4 g/kg), which was the highest increment in all treatments. Considering improving effects and economic efficiency, rice husk char at 8—10 g/kg is favorable for greenhouse soil.

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备注/Memo

备注/Memo:
收稿日期:2015-07-29 基金项目:江苏省自然科学基金项目(BK20131424); 江苏高校优势学科建设工程资助项目(PAPD); 南京林业大学2015年度大学生实践创新训练计划项目(2015sjcx189) 作者简介:范弟武(1992-),男,安徽宣城人,硕士研究生,主要从事环境生态学方面研究,(Tel)15050558396;(E-mail)709719226@qq.com 通讯作者:韩建刚,(Tel)15805163075;(E-mail)hanjiangang76@126.com
更新日期/Last Update: 2016-03-20