A vermicompost and deep tillage system to improve saline-sodic soil quality and wheat productivity

被引：140

作者：

Ding, Zheli ^{[1
]}

Kheir, Ahmed M. S. ^{[1
,2
]}

Ali, Osama A. M. ^{[3
]}

Hafez, Emad M. ^{[4
]}

ElShamey, Essam A. ^{[5
]}

Zhou, Zhaoxi ^{[1
]}

Wang, Bizun ^{[1
]}

Lin, Xing'e ^{[1
]}

Ge, Yu ^{[1
]}

Fahmy, Ahmed E. ^{[1
,6
]}

Seleiman, Mahmoud F. ^{[3
,7
]}

机构：

[1] Chinese Acad Trop Agr Sci CATAS, Haikou Expt Stn, Haikou, Hainan, Peoples R China

[2] Agr Res Ctr, Soils Water & Environm Res Inst, Giza 12112, Egypt

[3] Menoufia Univ, Fac Agr, Dept Crop Sci, Shibin Al Kawm, Egypt

[4] Kafrelsheikh Univ, Fac Agr, Dept Agron, Kafr Al Sheikh 33516, Egypt

[5] Agr Res Ctr, Field Crops Res Inst, Giza 12112, Egypt

[6] Atom Energy Author, Nucl Res Ctr, Soil & Water Res Dept, Abou Zaabl 13759, Egypt

[7] King Saud Univ, Coll Food & Agr Sci, Plant Prod Dept, POB 2460, Riyadh 11451, Saudi Arabia

来源：

JOURNAL OF ENVIRONMENTAL MANAGEMENT | 2021年 / 277卷

关键词：

Land degradation; Conservation tillage; Sulfuric acid; Carbon sequestration; Wheat yield; PHYSICAL-PROPERTIES; SULFURIC-ACID; SEA-LEVEL; GYPSUM; AMELIORATION; AMENDMENTS; DYNAMICS; IMPACT; ASH;

D O I：

10.1016/j.jenvman.2020.111388

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Land degradation due to soil salinity and sodicity is a serious concern in arid ecosystems. Despite the importance of conservation tillage in carbon sequestration and improving soil properties, its effect on saline-sodic soils under amendment application remains unknown. Therefore, the present study aimed to explore the combined effects of inorganic (sulfuric acid and gypsum) and organic (vermicompost) soil amendments and tillage systems (zero, reduced and deep tillage) on saline-sodic soil properties and wheat productivity. Deep tillage with vermicompost application significantly improved soil physical and chemical properties compared with control. Interestingly, integration between deep tillage and vermicompost decreased soil salinity and sodicity by 37% and 34%, respectively, compared with zero tillage and unamended soils. The application of vermicompost surpassed chemical amendments in the improvement of saline-sodic soils and consequently increased the growth and yield of wheat, provided that deep tillage was used as a suitable tillage system. Although deep tillage reduced soil organic carbon, application of vermicompost not only compensated this reduction, but also significantly increased soil organic carbon. This confirms the potential of combined deep tillage and vermicompost as a method for environmentally reclaiming saline-sodic soils.

引用

页数：9

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