Soil potentials to resist continuous cropping obstacle: Three field cases

Tan, Ge; Liu, Yongjun; Peng, Shuguang; Yin, Huaqun; Meng, Delong; Tao, Jiemeng; Gu, Yanling; Li, Juan; Shan, Yang; Xiao, Nengwen; Liu, Dongmei; Xiang, Xiaowu; Zhou, Zhi

doi:10.1016/j.envres.2021.111319

Cited by 105 publications

(77 citation statements)

References 67 publications

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“…The total Ca content also accumulated in LA, which was also consistent with a previous study [66]. In terms of microbiota, LA rapidly resisted continuous cropping obstacles and showed characteristics of natural soils in 2016 [30,31]. LA also benefitted the soil nitrogen-fixing capacity and some plant-growth promotion rhizobacteria which is consistent with our hypothesis 1 [32][33][34][35][36][37][38][39][40][41].…”

Section: The Risks and Benefits Of Lasupporting

confidence: 91%

“…Then, the unclassified microbial communities were ignored, and the microbial communities that could be classified were selected to analyze the management scenario effects. In 2016 and 2017, LA had significant effects on the WPS-1 genera incertae sedis, which prefers natural soil, and on the nitrogen-fixing bacterium Rhizobiales (LDA score > 2, K-W test P < 0.05) [30][31][32] (Figure 4b). In 2018, some nitrogen-fixing bacteria and plantgrowth promotion bacteria increased in the LA, including Actinobacteria (class), Actinomycetales, Nocardioides, Azoarcus, Ramlibacter, and Arthrobacter (LDA score > 2, K-W test P < 0.05) [33][34][35][36][37][38][39][40][41] (Figure 4a).…”

Section: The Effects Of Management Scenarios On Microbial Communitiesmentioning

confidence: 99%

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Could Land Abandonment with Human Intervention Benefit Cropland Restoration? From the Perspective of Soil Microbiota

Zhang

et al. 2021

Land

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Although agricultural land abandonment (LA) is accompanied by land degradation, it could be considered a kind of self-rehabilitation. Studies have shown that long-term LA has profound ecological and environmental benefits, whereas few studies have compared LA with human intervention (HI), which involves planting and fertilization in agroecosystem restoration. Here, we established four different scenarios based on local livestock husbandry, including LA without HI, LA with slight human intervention (HIS), medium human intervention (HIM), and intensive human intervention (HII). LA experiments were conducted for 3 years and repeatedly sampled three times. The soil bacterial and fungal communities were determined to present the ecological impacts. In this study, LA and HIS could save soil inorganic carbon and total calcium (Ca) contents and benefit soil mycorrhizal fungi and plant growth-promoting rhizobacteria. LA and HIM benefited some microbial communities associated with complicated organic compounds. Human interference methods did not significantly increase soil nutrients after 3 years of farmland abandonment. However, indigenous vegetation increased the risk of plant diseases based on soil microbial communities. Forage grass may control the risk, and HIS was a cost-effective scenario in our study. Moreover, we should maintain a cautious attitude toward HII to prevent excessive intervention.

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Section: The Risks and Benefits Of Lasupporting

confidence: 91%

Section: The Effects Of Management Scenarios On Microbial Communitiesmentioning

confidence: 99%

Could Land Abandonment with Human Intervention Benefit Cropland Restoration? From the Perspective of Soil Microbiota

Zhang

et al. 2021

Land

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“…The structure and diversity of the soil microbial community are easily affected by factors such as climate change, vegetation types, and soil properties (Liang et al, 2015 ; Tang et al, 2020 ; Tan et al, 2021 ). Previous studies showed that the soil bacterial community structure of paddy fields with different cultivation years of continuous fertilization has differentiated, and the soil bacterial community of paddy fields with 25 years of cultivation is significantly different from that of 9 and 15 years of cultivation (Li et al, 2019a ).…”

Section: Discussionmentioning

confidence: 99%

Soil Bacterial Community in the Multiple Cropping System Increased Grain Yield Within 40 Cultivation Years

Chen

Zheng

et al. 2021

Front. Plant Sci.

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The shortage of land resources restricts the sustainable development of agricultural production. Multiple cropping has been widely used in Southern China, but whether the continuous planting will cause a decline in soil quality and crop yield is unclear. To test whether multiple cropping could increase grain yield, we investigated the farmlands with different cultivation years (10–20 years, 20–40 years, and >40 years). Results showed that tobacco-rice multiple cropping rotation significantly increased soil pH, nitrogen nutrient content, and grain yield, and it increased the richness of the bacterial community. The farmland with 20–40 years of cultivation has the highest soil organic carbon (SOC), ammonium nitrogen, and grain yield, but there is no significant difference in the diversity and structure of the bacterial community in farmlands with different cultivation years. The molecular ecological network indicated that the stability of the bacterial community decreased across the cultivation years, which may result in a decline of farmland yields in multiple cropping system> 40 years. The Acidobacteria members as the keystone taxa (Zi ≥ 2.5 or Pi ≥ 0.62) appeared in the tobacco-rice multiple cropping rotation farmlands, and the highest abundance of Acidobacteria was found in the farmland with the highest SOC and ammonium nitrogen content, suggesting Acidobacteria Gp4, GP7, GP12, and GP17 are important taxa involved in the soil carbon and nitrogen cycle. Therefore, in this study, the multiple cropping systems for 20 years will not reduce the crop production potential, but they cannot last for more than 40 years. This study provides insights for ensuring soil quality and enhancing sustainable agricultural production capacity.

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“…Continuous cropping obstacles have been associated with lower microbial diversity, a decrease in beneficial microorganisms, and the enrichment of pathogenic microorganisms ( Gao et al, 2019 , 2021 ; Tan et al, 2021 ). According to the insurance hypothesis, biodiversity may act as a buffer against disturbances; in a diverse community, some species are likely to withstand disturbance and carry on functions ( Yachi and Loreau, 1999 ).…”

Section: Discussionmentioning

confidence: 99%

The Cropping Obstacle of Garlic Was Associated With Changes in Soil Physicochemical Properties, Enzymatic Activities and Bacterial and Fungal Communities

Liu

Wang

et al. 2022

Front. Microbiol.

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AimsIn garlic cultivation, long-time monoculture has resulted in continuous-cropping obstacles. However, the cause has not been studied to date.MethodsWe analyzed soils from garlic fields in Pengzhou, China, to determine continuous-cropping obstacle related changes in soil physicochemical properties and enzyme activities, and in the diversity and composition of bacterial and fungal communities. Furthermore, we examined the relationships between soil properties and the bacterial and fungal communities.ResultsThe soil pH and the soil catalase, urease, invertase, and polyphenol oxidase activities were lower in the cropping obstacle soil than in the healthy control soil. The richness and diversity of the bacteria were lower in the cropping obstacle soil than in the control. The bacterial and fungal communities in the cropping obstacle soil were clearly different from those in the control soil. The differences in bacterial communities between the cropping obstacle soil and the control soil were associated with differences in pH and available potassium content. The taxa with higher relative abundances in the cropping obstacle soils included potential plant pathogens and the taxa with lower relative abundances included potential plant growth promoters.ConclusionThe enrichment of plant pathogens and the depletion of plant growth promoting fungi may have contributed to the poor growth of garlic in the cropping obstacle soil. The enzyme activity and microbial community differences were associated with acidification that was likely an important factor in the deterioration of the soil ecological environment and the garlic cropping obstacle. The results provide information to guide agricultural practices in cultivating garlic.

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Soil potentials to resist continuous cropping obstacle: Three field cases

Cited by 105 publications

References 67 publications

Could Land Abandonment with Human Intervention Benefit Cropland Restoration? From the Perspective of Soil Microbiota

Could Land Abandonment with Human Intervention Benefit Cropland Restoration? From the Perspective of Soil Microbiota

Soil Bacterial Community in the Multiple Cropping System Increased Grain Yield Within 40 Cultivation Years

The Cropping Obstacle of Garlic Was Associated With Changes in Soil Physicochemical Properties, Enzymatic Activities and Bacterial and Fungal Communities

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