不同溶岩微生物菌剂与保水剂配比对土壤养分和酶活性的影响

聂晖; 李翀; 张金池; 贾赵辉; 马仕林; 曾婧祎; 陈美玲

doi:10.13961/j.cnki.stbctb.2022.04.014

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不同溶岩微生物菌剂与保水剂配比对土壤养分和酶活性的影响

试验研究

- 不同溶岩微生物菌剂与保水剂配比对土壤养分和酶活性的影响
- Effects of Different Ratios of Mineral-solubilizing Microbes and Water-retaining Agents on Soil Nutrients and Enzyme Activities
- 水土保持通报 2022年42卷第4期页码：107-115
- 作者机构：
  
  南京林业大学南方现代林业协同创新中心江苏省水土保持与生态修复重点实验室,江苏,南京,210037
- 作者简介：
- 基金信息：
  
  江苏省林业科技创新与推广项目“苏北沿海困难地造林新技术集成与示范推广”（LYKJ[2021]30）;百山祖国家公园科学研究项目（2021ZDLY01）;江苏高校优势学科建设工程资助项目（PAPD）
- DOI：10.13961/j.cnki.stbctb.2022.04.014
  中图分类号： S158
- 纸质出版：2022
- 稿件说明：
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聂晖, 李翀, 张金池, 等. 不同溶岩微生物菌剂与保水剂配比对土壤养分和酶活性的影响[J]. 水土保持通报, 2022,42(4):107-115.

Nie Hui, Li Chong, Zhang Jinchi, et al. Effects of Different Ratios of Mineral-solubilizing Microbes and Water-retaining Agents on Soil Nutrients and Enzyme Activities[J]. Bulletin of Soiland Water Conservation, 2022, 42(4): 107-115.
聂晖, 李翀, 张金池, 等. 不同溶岩微生物菌剂与保水剂配比对土壤养分和酶活性的影响[J]. 水土保持通报, 2022,42(4):107-115. DOI： 10.13961/j.cnki.stbctb.2022.04.014.

Nie Hui, Li Chong, Zhang Jinchi, et al. Effects of Different Ratios of Mineral-solubilizing Microbes and Water-retaining Agents on Soil Nutrients and Enzyme Activities[J]. Bulletin of Soiland Water Conservation, 2022, 42(4): 107-115. DOI： 10.13961/j.cnki.stbctb.2022.04.014.

摘要

[目的

]

探究保水剂和微生物菌剂混合添加对土壤特性的影响，为促进矿山植被恢复提供理论依据。[方法

]

在刺槐(Robinia pseudoacacia)盆栽土壤中加入保水剂和溶岩微生物菌剂，保水剂浓度分别为B

(0%)，B

(0.3%)，B

(0.5%)。微生物处理为J

(不添加微生物)，J

〔添加NL

(苏云金芽孢杆菌，细菌〕，J

〔添加NL

+NL

(嗜热一氧化碳链霉菌，放线菌)〕，J

〔添加NL

+NL

(卵形孢球托霉，真菌)〕。通过分析刺槐生长、土壤养分、有机碳和土壤酶活性等，探究保水剂和微生物混合添加对刺槐土壤养分和酶活性的影响。[结果

]

①溶岩微生物添加提高了土壤速效养分含量和土壤酶活性，其中以J

微生物处理效果最好。②土壤速效养分随着保水剂浓度增加呈现先增加后降低的趋势，以0.3%保水剂浓度对土壤养分和酶活性促进效果最好。③以J

，J

组合效果对土壤养分和酶活性促进作用较好。[结论

]

土壤菌剂和保水剂添加提高了土壤养分和酶活性，其中以J

，J

的组合效果较好。

Abstract

[Objective] The effects of mixed additions of a water-retaining agent and bacterial agents on soil characteristics were determined in order to provide a theoretical basis for promoting mine vegetation restoration.[Methods] Different concentrations of a water-retaining agent and mineral-solubilizing microbial agents were added to the potted soil of Robinia pseudoacacia. The concentrations of the water-retaining agent were:B1 (0%)

B2 (0.3%)

and B3 (0.5%). The microbial-agent treatments were J0 (without added microorganisms)

J1[adding NL11(Bacillus thuringiensis)]

J2[adding NL11 + NL11(Streptomyces thermocarboxydus)]

J3[adding NL11+NL1+NL15(Gongronella butleri)]. The effects of mixed additions of the water-retaining agent and microorganisms on R. pseudoacacia were determined by analyzing the growth

soil nutrients

soil organic carbon

and soil enzyme activity of R. pseudoacacia.[Results] ① The addition of microbial strains increased soil nutrient content and soil enzyme activity. The J2 microorganism treatment performed the best. ② Readily available soil nutrients initially increased and then decreased with increasing concentration of the water-retaining agent. The greatest effect on soil nutrient and enzyme activity was observed for the 0.3% water-retaining agent concentration. ③ The combinations of J2B1

J3B0

and J2B2 had the greatest effect on increasing soil nutrients and enzyme activities.[Conclusion] The addition of soil microbial agents and a water-retaining agent to the soil increased soil nutrients and enzyme activities. The combinations of J2B1

J3B0

and J2B2 had the greatest effect.

关键词

Keywords

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