Minimum data set for evaluation of stand density effects on soil quality in Larix principis-rupprechtii plantations in North China

Qiu, Xincai; Peng, Dong; Wang, Haibin; Wang, Ziyu; Cheng, Shanshan

doi:10.1016/j.ecolind.2019.04.010

Cited by 61 publications

(22 citation statements)

References 82 publications

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“…In this study, we selected 18 indicators as potential soil quality indicators. Previous studies have also adopted an MDS when using an SQI ( Qiu et al, 2019 ; Boafo et al, 2020 ), with the most commonly selected indicators being SOM, TN, and MBC ( Abid & Lal, 2008 ; Liu et al, 2014 ; Bera et al, 2016 ). Selecting MDS indicators is contingent on various factors.…”

Section: Discussionmentioning

confidence: 99%

“…We assessed soil quality using the SQI method. The SQI was developed according to the following three steps: (1) selecting a minimum data set (MDS) for soil indicators, (2) scoring the MDS indicators, and (3) integrating the scored indicators into one SQI value ( Qiu et al, 2019 ; Boafo et al, 2020 ).…”

Section: Methodsmentioning

confidence: 99%

“…If they were not correlated ( r < 0.70), all highly loaded indicators were selected for the MDS. Otherwise, only the indicator with the highest sum of correlation coefficients (absolute value) was selected for the MDS ( Qiu et al, 2019 ; Boafo et al, 2020 ).…”

Section: Methodsmentioning

confidence: 99%

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Using organic fertilizers to increase crop yield, economic growth, and soil quality in a temperate farmland

Guo

Liu

et al. 2020

PeerJ

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We used a constant total N application base rate to conduct a two-year field experiment comparing the effects of three organic fertilizers (rapeseed meal (RSM), soybean meal (SBM), and cattle manure (CM)) on the crop yield, economic growth, and soil quality of a winter wheat-summer maize rotation system. Winter wheat and summer maize in rapeseed meal treatment (RSMT), soybean meal treatment (SBMT), and cattle manure treatment (CMT) showed yield increases of 161%, 299%, and 256%, respectively, when compared to no organic fertilizer treatment (CK) (P < 0.05). The annual net incomes of SBMT and CMT were 1.46 and 1.42 times higher, respectively, than RSMT. Compared to the results of the CK group, RSM, SBM, and CM stimulated the soil physically, chemically, and biologically. We found the highest soil macroaggregate proportions, soil organic matter (SOM) levels, total N (TN) levels, and phospholipid fatty acid (PLFA) levels in SBMT. The highest soil pH, microbial biomass carbon (MBC) levels, and microbial biomass nitrogen (MBN) levels were observed in CMT. We used a soil quality index (SQI) to evaluate soil quality. After the two-year fertilization treatments, we calculated the SQI using a minimum data set (MDS). We used SOM levels and actinomycete quantity for the MDS properties. The SQI values were significantly different across the four treatments, with the highest values occurring in SBMT, then CMT and RSMT. In conclusion, SBM and CM were more effective than RSM at maintaining crop yield, economic growth, and soil quality.

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Section: Discussionmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

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Using organic fertilizers to increase crop yield, economic growth, and soil quality in a temperate farmland

Guo

Liu

et al. 2020

PeerJ

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“…The bulk density and soil capacity of the soil samples were measured using the method exposed by Zhang et al (2019b). The total porosity was determined by measuring soil moisture content at saturation (total volume of water-lled soil pores) and capillary porosity (capillary porosity is the percentage of soil voids in soil volume) was determined with the method exposed by Qiu et al (2019).…”

Section: Analysis Methods Of Soil Physical and Chemical Propertiesmentioning

confidence: 99%

Effects of three plantation coniferous species on plant-soil feedbacks and soil physical and chemical properties in semi-arid mountain ecosystems

Han

Liu

Zhang

et al. 2020

Preprint

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Background: Large-scale afforestation can significantly change the ground cover and soil physicochemical properties, especially the soil fertility maintenance and water conservation functions of artificial forests are very important in semi-arid mountain ecosystems. However, how different tree growth affect soil nutrient and soil physicochemical properties following afforestation and which is the best plantation tree species for improving soil fertility and water conservation functions remain largely unknown. Methods: This study investigated the soil nutrient contents of three plantations with different tree species (Larix principis-rupprechtii, Picea crassifolia, Pinus tabuliformis), soils and plant-soil feedbacks, as well as the interaction between soil physicochemical properties. Results: The results revealed that the leaf and litter layer strongly influence soil nutrient availability through biogeochemical processes: P. tabuliformis has higher organic carbon, ratio of organic carbon to total nitrogen (C:N) and organic carbon to total phosphorus (C:P) in the leaves and litter layer than L. principis-rupprechtii or P. crassifolia, suggesting that higher C:N and C:P hinder litter decomposition. As a result, the L. principis-rupprechtii and P. crassifolia plantation forests significantly improve soil nutrients and clay components than the P. tabuliformis plantation forest. Furthermore, the L. principis-rupprechtii and P. crassifolia plantation forests significantly improved the soil capacity, soil total porosity, and capillary porosity, decreased soil bulk density, and enhanced water storage capacity than the P. tabuliformis plantation forest. In conclusion, the results of this study showed that the strong link between plants and soil is tightly coupled to C:N and C:P, and there had a close correlation between soil particle size distribution and soil physicochemical properties. Conclusions: Therefore, our results recommend planting the L. principis-rupprechtii and P. crassifolia as the preferred tree species to enhance the soil fertility and water conservation functions, especially in semi-arid regions mountain forest ecosystems.

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“…The physical and chemical properties, such as soil moisture content, bulk density, and pH were measured. TN was measured by the Kjeldahl method, and TP was measured by the sulfuric acid digestion-colorimetric method (Qiu et al, 2019).…”

Section: Soil Sample Analysismentioning

confidence: 99%

Effects of Stand Density on Soil Respiration and Soil Labile Organic Carbon and Their Influence Mechanism in Larix Principis-Rupprechtii Plantations

Liu¹,

Peng²,

Tan³

et al. 2021

Preprint

Self Cite

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BackgroundForest soil carbon pool plays a vital role in the global carbon sequestration and carbon emission. Forest management can regulate the sequestration and output of forest soil carbon pool to a certain extent, but mechanism of forest density effects on soil carbon pool still needs to be further researched. MethodsWe established sample plots with density gradients in three-age stands of Larix principis-rupprechtii plantation and measured soil respiration (RS), soil organic carbon (SOC), soil dissolved organic carbon (DOC), and microbial biomass carbon (MBC), light fraction organic carbon (LFOC), and easily oxidizeable organic carbon (ROC). Results and ConclusionsThe results showed that, among the forest stands of three ages, RS, heterotrophic respiration (RH), MBC, LFOC, ROC of different stand density levels were significantly different. Moderate density promotes RS rate and RH rate and the sequestration of MBC and LFOC and inhibits ROC sequestration. With the increase of forest stand density, RS, RH, LFOC, and MBC first increased and then decreased, and ROC first decreased and then increased, the quadratic function could fit these changing trends. The RS, RH, and autotrophic respiration (RA) rates of older forest stands were relatively fast, and contents of SOC, MBC, LFOC, DOC, and ROC were higher, and they were more sensitive to changes in stand density. SOC, LFOC, MBC, DOC, and ROC explained 56.05% variations of RS, Rh, and RA. MBC, LFOC, and ROC in soil labile organic carbon were closely related to RS and Rh, but not SOC. Among them, LFOC and MBC played the role of "warehouse" and "tool" and significantly correlated with RS and Rh. ROC, as "raw material," had a significant negative correlation with RS and RH. When the RS and RH rate were fast, ROC maintained a dynamic and stable state of low soil content. Stand density could regulate RH by affecting soil labile organic carbon, an essential path for stand density to regulate soil respiration. Given soil carbon pool significance in forest ecosystems, Continuous research on soil respiration and stand density is suggested to bridge the gaps in our comprehension of the Regulation of Forest Management on forest soil carbon pool.

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Minimum data set for evaluation of stand density effects on soil quality in Larix principis-rupprechtii plantations in North China

Cited by 61 publications

References 82 publications

Using organic fertilizers to increase crop yield, economic growth, and soil quality in a temperate farmland

Using organic fertilizers to increase crop yield, economic growth, and soil quality in a temperate farmland

Effects of three plantation coniferous species on plant-soil feedbacks and soil physical and chemical properties in semi-arid mountain ecosystems

Effects of Stand Density on Soil Respiration and Soil Labile Organic Carbon and Their Influence Mechanism in Larix Principis-Rupprechtii Plantations

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