环保酵素对盐碱土关键化学性质的影响

韩剑宏; 刘泽霞; 张连科; 李玉梅; 姜庆宏; 王维大

doi:10.13961/j.cnki.stbctb.2019.03.021

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环保酵素对盐碱土关键化学性质的影响

试验研究

- 环保酵素对盐碱土关键化学性质的影响
- Effects of Garbage Enzymes on Key Chemical Properties of Saline-alkali Soil
- 水土保持通报 2019年39卷第3期页码：126-131
- 作者机构：
  
  1. 内蒙古科技大学能源与环境学院,内蒙古,包头,014010
  2. 西安建筑科技大学环境与市政工程学院,陕西,西安,710055
- 作者简介：
- 基金信息：
  
  内蒙古自治区自然科学基金项目“秸秆污泥生物炭对内蒙古沿黄滩地盐碱地土壤肥力的影响”（2016MS0405）;包头市科技局项目“生物炭对盐碱地改良效果试验研究”（2016X1021）
- DOI：10.13961/j.cnki.stbctb.2019.03.021
  中图分类号： X53;S156
- 纸质出版：2019
- 稿件说明：
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韩剑宏, 刘泽霞, 张连科, 等. 环保酵素对盐碱土关键化学性质的影响[J]. 水土保持通报, 2019,39(3):126-131.

Han Jianhong, Liu Zexia, Zhang Lianke, et al. Effects of Garbage Enzymes on Key Chemical Properties of Saline-alkali Soil[J]. Bulletin of Soiland Water Conservation, 2019, 39(3): 126-131.
韩剑宏, 刘泽霞, 张连科, 等. 环保酵素对盐碱土关键化学性质的影响[J]. 水土保持通报, 2019,39(3):126-131. DOI： 10.13961/j.cnki.stbctb.2019.03.021.

Han Jianhong, Liu Zexia, Zhang Lianke, et al. Effects of Garbage Enzymes on Key Chemical Properties of Saline-alkali Soil[J]. Bulletin of Soiland Water Conservation, 2019, 39(3): 126-131. DOI： 10.13961/j.cnki.stbctb.2019.03.021.

摘要

[目的

]

探讨利用果蔬垃圾制备的环保酵素不同施加比例对改良盐碱土的可行性影响，为内蒙古地区农业可持续发展研究提供理论和实践依据。[方法

]

环保酵素和水按体积比1∶200（GE

），1∶500（GE

）和1∶800（GE

）进行稀释处理，通过室内土培试验研究其对土壤关键化学性质（pH值、电导率EC和碱化度ESP）以及土壤养分状况（有机质、水解性氮、有效磷、速效钾和DOC）的影响。[结果

]

施加合适环保酵素比例可以降低土壤盐碱性，提高土壤部分养分含量。环保酵素施用为GE

时，土壤pH值和碱化度（ESP）分别降低17.51%和38.42%；EC值显著降低42.50%；土壤有机质、速效钾含量分别显著提高56.54%，79.76%，而土壤水解性氮和有效磷含量分别降低6.52%，8.48%；土壤DOC增加达34.28%。[结论

]

在试验条件下采用1∶800为改良盐碱土的环保酵素施用比例，同时对环保酵素的改良进行主成分分析发现pH值、EC和速效钾是环保酵素对盐碱土改良的特征指标。

Abstract

[Objective] The feasibility of improving saline-alkali soil with different additive proportion of garbage enzymes fermentation product of fruit and vegetable waste was explored in order to provide theoretical and practical basis for the sustainable development of agriculture in Inner Mongolia.[Methods] The garbage enzymes and water were diluted by volume ratios of 1:200 (GE1)

1:500 (GE2) and 1:800 (GE3). The effects on key soil chemical properties (pH value

EC and ESP) and soil nutrient status (organic matter

hydrolytic nitrogen

available P

available K and DOC) were studied by soil culture experiments.[Results] The application of appropriate garbage enzymes dilution ratio could reduce soil salinity and increase soil nutrient content. When the garbage enzymes dilution ratio was GE3

the soil pH and alkalinity (ESP) were reduced by 17.51% and 38.42%

respectively; the electric conductivity(EC) value was significantly reduced by 42.50%

the soil organic matter and available K content increased significantly by 56.54% and 79.76%

respectively

and the soil available N and available P content decreased by 6.52% and 8.48%

soil DOC increased by 34.28%.[Conclusion] In this experiment

with the GE3 ratio of garbage enzymes for improving saline-alkali soil

and according PCA analysis

we found that pH value

EC and available K were the characteristic indicators of garbage enzymes for the improvement of saline-alkaline soil.

关键词

Keywords

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