Effects of pasture management on soil fertility and microbial communities in the semi-arid grasslands of Inner Mongolia

Liu, Jun; Zhang, Qichun; Li, Yong; Di, Hongjie; Xu, Jianming; Li, Jiangye; Guan, Xiaoxu; Xu, Xiaoya; Pan, Hong

doi:10.1007/s11368-015-1210-7

Cited by 23 publications

(14 citation statements)

References 14 publications

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“…This practice is often used to manage degraded rangelands (Ouled Belgacem et al 2019). This is also consistent with previous studies conducted in other arid and semi-arid regions of the world where rangeland productivity is mainly driven by climatic factors (Fynn et al 2000;Hein 2006;Hiernaux et al 2009;Chang et al 2018), and grazing exclusion significantly increased rangeland productivity (Wang et al 2019;Liu et al 2016Liu et al , 2020. However, it is of note that long-term exclusion can also have a detrimental impact on rangeland health.…”

Section: Discussionsupporting

confidence: 92%

Assessment of soil surface scarification and reseeding with sulla (Hedysarum coronarium L.) of degraded Mediterranean semi-arid rangelands

Slim

Louhaichi

Gamoun³

et al. 2021

African Journal of Range & Forage Science

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Climate change and degradation of natural resources pose daunting challenges in arid and semi-arid rangelands of southern Mediterranean region. Overcoming these challenges requires considerable management actions efforts. In this context, the current two-year (2017/2018 and 2018/2019) study investigated the effects of soil surface scarification and reseeding of rangelands with sulla (Hedysarum coronarium L.) on botanical composition, biomass production, water productivity and pastoral value in the Sbaihia community, Tunisia. The experimental design consisted of a randomised complete block design with six replications. The treatments were: (i) soil surface superficial scarification; (ii) reseeding sulla following soil scarification; and, (iii) control. Despite the relatively important interannual variation, the highest aboveground net primary production (2 307 and 5 330 kg dry matter ha −1 ), water productivity (9.5 and 11.8 kg DM mm −1 ), and pastoral value (2 099 and 4 853 forage units ha −1 ) values were recorded in the rangelands reseeded with sulla in both growing seasons. Sulla contribution in the species composition of reseeded rangelands increased from 1.7% in 2018 to 2% in 2019. Although soil surface scarification increased the vegetation cover, its effect on biomass production was not significant. Therefore, combined soil scarification and reseeding well-adapted native forage species has a great potential to improve productivity of semi-arid rangelands.

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Section: Discussionsupporting

confidence: 92%

Assessment of soil surface scarification and reseeding with sulla (Hedysarum coronarium L.) of degraded Mediterranean semi-arid rangelands

Slim

Louhaichi

Gamoun³

et al. 2021

African Journal of Range & Forage Science

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“…Grassland covers approximately 70% of the world's agricultural areas, and is one of the world's most widely distributed ecosystems (Soussana and Lüscher , Liu et al , ). It plays an important role in the global carbon cycle, climate regulation and livestock farming due to its large area, large amounts of soil carbon and high net primary productivity (Akiyama and Kawamura , Song et al , Zhou et al ).…”

Section: Introductionmentioning

confidence: 99%

Growth–defense trade‐off regulated by hormones in grass plants growing under different grazing intensities

Liu

Gong

Liu

et al. 2018

Physiologia Plantarum

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Herbivory creates conflicts between a plant's need to allocate resources for growth and defense. It is not yet clear how plants rebalance resource utilization between growth and defense in response to increasing grazing intensity. We measured characteristics of the primary and secondary metabolism of Leymus chinensis at five levels of grazing intensity (control, light, moderate, heavy and extremely heavy). Furthermore, we evaluated hormone signaling by quantifying the impact of key hormones on plant growth and defense. Under light grazing intensity, indole-3-acetic acid and jasmonates appeared to promote the growth of L. chinensis through a high photosynthetic rate, high water-use efficiency and high soluble protein contents, whereas abscisic acid decreased these properties. Under moderate grazing intensity, L. chinensis had a low photosynthetic capacity but greater production of secondary metabolites (tannins, total flavonoids and total phenols), possibly induced by salicylic acid. When the grazing pressure further intensified, L. chinensis translocated more carbohydrates to its roots in order to survive and regrow. Leymus chinensis therefore exhibited a trade-off between growth and defense in order to survive and reproduce under herbivory. Plants developed different mechanisms to enhance their grazing tolerance by means of hormonal regulation.

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“…However, PSME decreased soil bacterial Simpson index and Shannon index (Table 3), which was also similar with the report by Wang et al (2019) who elaborated that free grazing site significantly decreased the bacterial diversity compared to enclosure site, particularly soil Shannon index. Beyond that, extensive studies have reported that moderate castration and grazing were more conducive to soil nutrient cycling than no grazing (Li et al, 2017b;Liu et al, 2016), that likely contributed to the moderate pasture management can effectively stimulate functional microbial activity in the soil. Soil bacterial and fungal community compositions significantly differed among AH, PSM, and PSME, and microbial community assemblage in the AH distinctly differed compared with the PSM and PSME (Figs.…”

Section: Effects Of Afforestation Combined With Enclosure Management On Soil Microbial Communitiesmentioning

confidence: 99%

Effects of afforestation with Pinus sylvestris var. mongolica plantations combined with enclosure management on soil microbial community

Deng

Zhou

Zhu

et al. 2020

PeerJ

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Grazing and litter removal can alter understory structure and composition after afforestation, posing a serious threat to sustainable forest development. Enclosure is considered to be an effective measure to restore degraded forest restoration. However, little is known about the dynamics of soil nutrients and microbial communities during the forest restoration process. In the present study, the effects of Arachis hypogaea (AH), Pinus sylvestris var. mongolica (PSM) and Pinus sylvestris var. mongolica with enclosure (PSME) on soil chemical properties and soil microbial communities were studied in Zhanggutai, Liaoning Province, China. The results showed that PSME could remarkably contribute to improve soil total C, total N and total P compared to PSM and AH. Additionally, PSM could clearly increase the soil bacterial community diversity and fungal Chao1 index and ACE index. Additionally, PSME could further increase soil Chao1 index and ACE index of soil bacteria. Soil total C, total N and available N were the main factors related to soil microbial diversity. Actinobacteria and Ascomycota were the predominant bacterial and fungal phyla, respectively. Specifically, PSME could increase the relative abundances of Actinobacteria, Gemmatimonadetes, Ascomycota and Mortierellomycota and decreased the relative abundances of Acidobacteria, Chloroflexi and Basidiomycota than PSM. PSM and PSME could clearly change soil microbial communities compared with AH and PSME could remarkably shift soil fungal communities than PSM. What’s more, the soil microbial community structure were affected by multiple edaphic chemical parameters. It can be seen that afforestation combined with enclosed management potentially regulate microbial properties through shifting the soil properties. This study can provide new ideas for further understanding the impact of enclosure on PSM and provide theoretical support for the management of PSM.

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Effects of pasture management on soil fertility and microbial communities in the semi-arid grasslands of Inner Mongolia

Cited by 23 publications

References 14 publications

Assessment of soil surface scarification and reseeding with sulla (Hedysarum coronarium L.) of degraded Mediterranean semi-arid rangelands

Assessment of soil surface scarification and reseeding with sulla (Hedysarum coronarium L.) of degraded Mediterranean semi-arid rangelands

Growth–defense trade‐off regulated by hormones in grass plants growing under different grazing intensities

Effects of afforestation with Pinus sylvestris var. mongolica plantations combined with enclosure management on soil microbial community

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