Changes in the physical properties of soil in forestlands after 22 years under the influence of the Conversion of Cropland into Farmland Project in Loess region, Western Shanxi Province

Xiaoxia, 张晓霞 Zhang; Zongru, 杨宗儒 Yang; Tonggang, 查同刚 Zha; Zhiqiang, 张志强 Zhang; Gaomin, 王高敏 Wang; Yushen, 朱聿申 Zhu; Zhiyuan, 吕志远 Lü

doi:10.5846/stxb201507291596

Cited by 5 publications

(1 citation statement)

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“…Further, in NF, the surface SOC did not differ significantly between different areas, and thus, NF could be considered to perform better in reducing SOC heterogeneity. This could be the case because the BP vegetation types were relatively simple over time and their diversity recovery was slower than that of NF (Zhang et al, 2017). This led indirectly to a low root density in the surface soil and a small cumulative amount of litter on the surface (Ceccon et al, 2011;Vos et al, 2019).…”

Section: Effect Of Vegetation Restoration On Soc Migration At the Soimentioning

confidence: 99%

Vegetation Restoration Alleviated the Soil Surface Organic Carbon Redistribution in the Hillslope Scale on the Loess Plateau, China

Liang

Zha

et al. 2021

Front. Environ. Sci.

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The redistribution of soil organic carbon (SOC) in response to soil erosion along the loess slope, China, plays an important role in understanding the mechanisms that underlie SOC’s spatial distribution and turnover. Consequently, SOC redistribution is key to understanding the global carbon cycle. Vegetation restoration has been identified as an effective method to alleviate soil erosion on the Loess Plateau; however, little research has addressed vegetation restoration’s effect on the SOC redistribution processes, particularly SOC’s spatial distribution and stability. This study quantified the SOC stock and pool distribution on slopes along geomorphic gradients in naturally regenerating forests (NF) and an artificial black locust plantation (BP) and used a corn field as a control (CK). The following results were obtained: 1) vegetation restoration, particularly NF, slowed the migration of SOC and reduced the heterogeneity of its distribution effectively. The topsoil SOC ratios of the sedimentary area to the stable area were 109%, 143%, and 210% for NF, BP, and CK, respectively; 2) during migration, vegetation restoration decreased the loss of labile organic carbon by alleviating the loss of dissolved organic carbon (DOC) and easily oxidized organic carbon (EOC). The DOC/SOC in the BP and NF increased significantly and was 13.14 and 17.57 times higher, respectively, than that in the CK (p < 0.05), while the EOC/SOC in the BP and NF was slightly higher than that in the CK. A relevant schematic diagram of SOC cycle patterns and redistribution along the loess slope was drawn under vegetation restoration. The results suggest that vegetation restoration in the loess slope, NF in particular, is an effective means to alleviate the redistribution and spatial heterogeneity of SOC and reduce soil erosion.

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Section: Effect Of Vegetation Restoration On Soc Migration At the Soimentioning

confidence: 99%

Vegetation Restoration Alleviated the Soil Surface Organic Carbon Redistribution in the Hillslope Scale on the Loess Plateau, China

Liang

Zha

et al. 2021

Front. Environ. Sci.

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Robinia Pseudoacacia and Quercus Robur Plantations Change the Physical Properties of Calcic Chernozem

Gorban

2021

Soils Under Stress

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Changes in Physical and Chemical Properties of Calcic Chernozem Affected by Robinia pseudoacacia and Quercus robur Plantings

Gorban

Huslystyi

Kotovych

et al. 2020

Ekológia (Bratislava)

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Gorban V., Huslystyi A., Kotovych O., Yakovenko V.: Changes in physical and chemical properties of Calcic chernozem affected by Robinia pseudoacacia and Quercus robur plantings. EkológiaGrowth of forest plantations on soils causes changes in their properties. These changes, their behavior, and magnitude depend on the original soil characteristics and also on the effect of forest plantations being grown. In the steppe zone of Ukraine, Robinia pseudoacacia L. and Quercus robur L. are the woody species most widely used in planting of forest plantations on chernozem soil. Chernozem soil formed exclusively under zonal steppe vegetation and chernozem soil under Robinia pseudoacacia and Quercus robur plantations were studied in this work to analyze the changes in soil properties caused by growth of these tree species. Dry aggregate size distribution, density, particle density, total porosity, organic carbon content, cation exchange capacity, pH values, hydrolytic soil acidity and dry residue, and the available nitrogen, phosphorus, and potassium content were analyzed. The studies found that Robinia pseudoacacia and Quercus robur plantations contribute to an increase in the share of aggregates 2-1 mm in size, as well as formation of aggregate fraction >10 mm, which are completely absent in the Calcic chernozem developed under the steppe vegetation. An increase in the density and particle density, as well as a decrease in the total porosity values were observed under the influence of forest stands studied. This is more common with chernozem under Q. robur plantation. It was found that the carbon percentage decreased in chernozem under the influence of Robinia pseudoacacia growth (on average, 0.4% by a meter-deep layer), but under Quercus robur planting it increased (on average 0.3% by meter-deep layer). Effect of Robinia pseudoacacia plantings on chernozem was also manifested by a decrease in cation exchange capacity (on average, 11 cmol/100 g by a meter-deep layer). The growth of R. pseudoacacia and Quercus robur plantations results in decrease of pH values (0.2 by a meter-deep layer) and increase of hydrolytic soil acidity and dry residue in chernozem water extract. Effect of Robinia pseudoacacia planting leads to a decrease in carbon, nitrogen, and phosphorus content in chernozem. The change in chernozem properties under the influence of Quercus robur plantation is reflected in accumulation of these nutrients. Growth of Robinia pseudoacacia and Quercus robur plantations leads to a decrease in potassium reserves in chernozem, which may indicate its active uptake by these woody species. In general, Q. robur planting is characterized by a large positive effect on the physical and chemical properties of chernozem than Robinia pseudoacacia planting. The findings obtained serve as a ground for making a recommendation for growing Quercus robur plantations under climate conditions of the steppe zone of Ukraine in order to improve the zonal chernozems' state and fertility.

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Changes in the physical properties of soil in forestlands after 22 years under the influence of the Conversion of Cropland into Farmland Project in Loess region, Western Shanxi Province

Cited by 5 publications

References 0 publications

Vegetation Restoration Alleviated the Soil Surface Organic Carbon Redistribution in the Hillslope Scale on the Loess Plateau, China

Vegetation Restoration Alleviated the Soil Surface Organic Carbon Redistribution in the Hillslope Scale on the Loess Plateau, China

Robinia Pseudoacacia and Quercus Robur Plantations Change the Physical Properties of Calcic Chernozem

Changes in Physical and Chemical Properties of Calcic Chernozem Affected by Robinia pseudoacacia and Quercus robur Plantings

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