Winter cover crops effects on soil microbial characteristics in sandy areas of Northern Shaanxi, China

Wang, Wen; Han, Lu; Xiong, Zhengqin

doi:10.36783/18069657rbcs20190173

Cited by 6 publications

(1 citation statement)

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“…Cover crop species and variety selection can significantly affect contributions of crop residues to SOC. When compared with grasses, legume cover crops differ in terms of effects on microbial growth (Sanchez et al., 2019), microbial C utilization (Ding et al., 2006; Wang et al., 2020), mineralizable C (F. Li et al., 2020; Sainju et al., 2007), slower‐cycling soil C (Cordeiro et al., 2021; TerAvest et al., 2011), and even total soil C stocks (Conceição et al., 2013; Jian et al., 2020). While much research has focused on the difference between legumes and grasses, fewer efforts have been made to compare legume species’ effects on soil organic C and N pools, particularly under different tillage regimes.…”

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confidence: 99%

Legume cover crop type and termination method effects on labile soil carbon and nitrogen and aggregation

et al. 2022

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Growers use cover crops to provide nutrients for crops and build soil organic matter (SOM). Termination methods may alter the effects of cover crops on soil labile C and N. We examined how two cover crops and three termination methods affected soil microbes, soil aggregates, and C and N pools in an organic grain system. We compared crimson clover (Trifolium incarnatum L.) (CC), hairy vetch (Vicia villosa Roth) (HV), and a control together with disking, mowing, or a roller-crimper for effects on hot-water-extractable carbohydrates, microbial biomass carbon (MBC) and microbial biomass nitrogen (MBN), potentially mineralizable C and N, and aggregation (quantified by mean weight diameter [MWD]). Disking comprised flail mowing plots and then cultivating. Roller-crimping occurred via a roller with blades. Vetch soil contained 14% higher MBC than no cover crop pretermination, possibly because of enhanced rhizodeposition. Planting CC resulted in 44% higher MBC than no cover crop a week after termination, likely due to its higher biomass C/N ratio. Disking decreased MWD relative to flail mowing in no cover crop soils at 4 wk after termination across both years at 0-to-5-cm depth. In addition, MWD was lower under CC than under no cover crop for both the flail mowed and roller-crimped treatments at 4 wk after termination across both years from 0 to 5 cm. This is possibly due to enhanced desiccation of the soil in bare plots after termination. Our results indicate that quantity and quality of biomass of different legume species, rather than termination methods, dominated effects on labile C.

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Section: Introductionmentioning

confidence: 99%

Legume cover crop type and termination method effects on labile soil carbon and nitrogen and aggregation

et al. 2022

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Diversified crop rotation improves continuous monocropping eggplant production by altering the soil microbial community and biochemical properties

et al. 2022

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Living mulches present tradeoffs between soil nutrient cycling and competition during establishment of tea in an organic production system

McAmis,

Bae,

Ogram

et al. 2024

Applied Soil Ecology

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Winter cover crops effects on soil microbial characteristics in sandy areas of Northern Shaanxi, China

Abstract: How to cite: Wang W, Han L, Zhang X. Winter cover crops effects on soil microbial characteristics in sandy areas of Northern Shaanxi, China. Rev Bras Cienc Solo. 2020;44:e0190173.

Cited by 6 publications

References 48 publications

Legume cover crop type and termination method effects on labile soil carbon and nitrogen and aggregation

Legume cover crop type and termination method effects on labile soil carbon and nitrogen and aggregation

Diversified crop rotation improves continuous monocropping eggplant production by altering the soil microbial community and biochemical properties

Living mulches present tradeoffs between soil nutrient cycling and competition during establishment of tea in an organic production system

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