[1]张奇,张振华,卢信.生物有机肥施用对黄泛冲积区贫瘠土壤养分、酶和微生物多样性的影响[J].江苏农业学报,2020,(02):325-335.[doi:doi:10.3969/j.issn.1000-4440.2020.02.011]
 ZHANG Qi,ZHANG Zhen-hua,LU Xin.Effects of bioorganic fertilizer application on nutrient, enzyme activity, microbial diversity of the barren soil in Yellow River alluvial areas[J].,2020,(02):325-335.[doi:doi:10.3969/j.issn.1000-4440.2020.02.011]
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生物有机肥施用对黄泛冲积区贫瘠土壤养分、酶和微生物多样性的影响()
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江苏农业学报[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2020年02期
页码:
325-335
栏目:
耕作栽培·资源环境
出版日期:
2020-04-30

文章信息/Info

Title:
Effects of bioorganic fertilizer application on nutrient, enzyme activity, microbial diversity of the barren soil in Yellow River alluvial areas
作者:
张奇12张振华23卢信23
(1.扬州大学环境科学与工程学院,江苏扬州225009;2.江苏省农业科学院农业资源与环境研究所,江苏南京210014;3.农业部长江下游平原农业环境重点实验室,江苏南京210014)
Author(s):
ZHANG Qi12ZHANG Zhen-hua23LU Xin23
(1.College of Environmental Science and Engineering, Yangzhou University, Yangzhou 225009, China;2.Institute of Agricultural Resources and Environmental Sciences, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China;3.Key Laboratory of Agro-Environment in Downstream of Yangtze Plain, Ministry of Agriculture, Nanjing 210014, China)
关键词:
生物有机肥土壤养分土壤酶活土壤生物多样性
Keywords:
bio-organic fertilizersoil nutrientssoil enzyme activitysoil microbial diversity
分类号:
S156.93
DOI:
doi:10.3969/j.issn.1000-4440.2020.02.011
文献标志码:
A
摘要:
为了探究不同类型有机肥及施用量对黄泛冲积区贫瘠土壤的改良作用,以江苏省滨海县黄泛冲积区贫瘠土壤为供试土壤,研究了普通有机肥与生物有机肥分别在0 kg/hm2、2 250 kg/hm2、4 500 kg/hm2、6 750 kg/hm2施用量水平下对土壤的养分含量、土壤酶活性、生物多样性及玉米产量的影响。结果表明:在一个生长季内,相同施肥量水平下两种有机肥对土壤养分的作用效果无差异;苗期施用有机肥的土壤中速效养分含量较对照有所提升,且在一定范围内施肥量与土壤速效养分含量呈正相关关系。收获期各处理土壤蔗糖酶活性没有显著差异,但生物有机肥BOF2处理脲酶和碱性磷酸酶活性均较对照(CF)显著提高。土壤脲酶活性与碱解氮、速效钾、有机质含量呈显著正相关关系;土壤碱性磷酸酶活性与速效磷和速效钾含量呈显著正相关。施用普通有机肥及生物有机肥都可以提高土壤中微生物的丰富度,而生物有机肥的提升效果更为显著。生物有机肥在施用量2 250 kg/hm2及以上时可显著改变土壤微生物种群结构,而普通有机肥在施用量达6 750 kg/hm2时才会显著改变。生物有机肥BOF3(生物有机肥6 750 kg/hm2)处理与对照(CF)达到显著差异。可见,施用有机肥,特别是施用生物有机肥能改善黄泛冲积区贫瘠土壤养分性状,提高土壤酶活及土壤微生物多样性,最终实现作物增产的目的。
Abstract:
In order to investigate the effects of organic fertilizers on the improvement of the barren soil in Yellow River alluvial region, the soil in Binhai County, Jiangsu province was used as experimental soil. Effects of common organic and bioorganic fertilizer at different application levels (0 kg/hm2, 2 250 kg/hm2, 4 500 kg/hm2, 6 750 kg/hm2) on soil nutrient contents, enzyme activities, microbial diversity and maize yield were studied. The results showed that the application of two organic fertilizers produced similar effects on soil nutrients under the same application level in a growing season. The content of available nutrient in the soil applied with organic fertilizer at the seedling stage was higher than that of the control, and there was a positive correlation between the fertilizer amount and the content of available nutrient in a certain range. No significant difference was found in soil invertase activities during harvest stage, but the enzyme activities in the treatment of bio-organic fertilizer BOF2 were significantly higher than those in control. Urease activities were positively correlated with the contents of alkaline hydrolytic nitrogen, available potassium and organic matter. The alkaline phosphatase activities were significantly correlated with the contents of available phosphorus and available potassium. The application of organic fertilizer and bio-organic fertilizer increased the abundance of microorganisms in the soil, and the bio-organic fertilizer was more effective. When the application amount of bio-organic fertilizer was 2 250 kg/hm2 and above, the soil microbial population structure would be significantly changed. When the application amount of common organic fertilizer was 6 750 kg/hm2, the soil microbial population structure would be significantly changed. There was significant difference between the treatment of 6 750 kg/hm2 BOF3 and the control. It can be concluded that the application of organic fertilizer in the barren soil in Yellow River alluvial area, especially the application of bio-organic fertilizer, can significantly improve soil nutrients, increase soil enzyme activities and soil microbial diversity, and ultimately achieve the purpose of increasing crop production.

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备注/Memo:
收稿日期:2019-08-09基金项目:江苏省农业科技自主创新基金项目 [CX(17)1001-4];国家重点研发计划项目(2018YFD0800306)作者简介:张奇(1993-),男,安徽安庆人,硕士,主要从事土壤改良与修复研究。 (E-mail)18752782205@163.com通讯作者:卢信,(Tel)025-84390581;(E-mail)lxdeng@126.com。张振华,(E-mail)zhenhuaz70@hotmail.com
更新日期/Last Update: 2020-05-18