scholarly journals Corrigendum to “Sensitivity of labile carbon fractions to tillage and organic matter management and their potential as comprehensive soil quality indicators across pedoclimatic conditions in Europe” [Ecol. Indic. 99 (2019) 38–50]

2021 ◽  
Vol 121 ◽  
pp. 107093
Author(s):  
Giulia Bongiorno ◽  
Else K. Bünemann ◽  
Chidinma U. Oguejiofor ◽  
Jennifer Meier ◽  
Gerrit Gort ◽  
...  
Keyword(s):  
Organic Matter ◽  
Soil Quality ◽  
Quality Indicators ◽  
Soil Quality Indicators ◽  
Labile Carbon ◽  
Carbon Fractions ◽  
Organic Matter Management

scholarly journals Relationships between soil quality indicators, redox properties, and bioactivity of humic substances of soils under integrated farming, livestock, and forestry

Revista CERES ◽  
2018 ◽  
Vol 65 (4) ◽  
pp. 373-380 ◽  
Author(s):  
Marihus Altoé Baldotto ◽  
Lílian Estrela Borges Baldotto
Keyword(s):  
Organic Matter ◽  
Soil Carbon ◽  
Humic Substances ◽  
Soil Quality ◽  
Quality Indicators ◽  
Carbon Stocks ◽  
Redox Properties ◽  
Soil Quality Indicators ◽  
Integrated Farming ◽  
Soil Carbon Stocks

ABSTRACT Once it is stabilized in the soil, organic matter minimizes limitations of Brazilian Oxisols, such as low cation exchange capacity, low nutrient availability, toxicity due to high aluminum content, and phosphate adsorption. Moreover, humified organic matter fractions are bioactive. It is, therefore, important to evaluate the biostimulant ability of compounds present in soil carbon stocks to develop sustainable technologies for tropical agriculture based on renewable natural resources. The objective of this research was to correlate some soil quality indicators, redox properties, and bioactivity of humic acids isolated from integrated farming, livestock, and forestry systems aiming to understand the mechanisms involved in plant stimulation by humified organic matter. Carbon stocks and their stability were determined from oxidation by dichromatometry and iodometry, respectively. Bioactivity was assessed using yield data of corn indicator plants. The results indicated that when native-like forests were reintroduced instead of pastureland, soil carbon stocks and their stability increased along with overall improvements in soil fertility, chemical and physical properties, and soil biodiversity. The bioactivity of humic substances isolated from soils used in integrated crop, livestock, and forestry management was higher than that of soils derived from pastures or eucalyptus alone.

scholarly journals Spectral responses to labile organic carbon fractions as useful soil quality indicators across a climatic gradient

2020 ◽  
Vol 111 ◽  
pp. 106042
Author(s):  
Paulina B. Ramírez ◽  
Francisco J. Calderón ◽  
Steven J. Fonte ◽  
Fernando Santibáñez ◽  
Carlos A. Bonilla
Keyword(s):  
Organic Carbon ◽  
Soil Quality ◽  
Quality Indicators ◽  
Climatic Gradient ◽  
Soil Quality Indicators ◽  
Carbon Fractions ◽  
Labile Organic Carbon ◽  
Organic Carbon Fractions ◽  
Spectral Responses

Can biochar restore soil quality in a degraded forest and vineyard soil in a one-year percolation lysimeters study, in Portugal?

2021 ◽  
Author(s):  
Suyan Isaka ◽  
Markéta Hendrychová ◽  
Isabel Campos ◽  
Ana Catarina Bastos ◽  
Oscar Gonzales Pelayo ◽  
...  
Keyword(s):  
Organic Matter ◽  
Forest Soil ◽  
Soil Quality ◽  
Quality Indicators ◽  
Slope Angle ◽  
Soil Quality Indicators ◽  
Lysimeter Experiment ◽  
Vineyard Soil ◽  
Restoration Potential ◽  
One Year

<p>The use of biochar has increased worldwide in the last years due to its good results for several soil quality indicators. However, restoration potential depends on the type and amount of biochar for each specific soil and land use. In order to investigate this restoration potential differential, we conducted an experiment where we amended two contrasting degraded soils with the same biochar. We installed a controlled and fully randomized percolation lysimeter experiment (3 replicates) with 15 lysimeters on a moderately steep slope angle, monitored for one year. Two types of soil were collected, a low organic matter, hydrophilic vineyard soil and a high organic matter, hydrophobic forest soil. Biochar was applied at 4% for both soils, and an additional treatment at 2% for the forest soil only. Selected soil quality indicators are: soil organic matter, medium weight diameter, aggregate stability, bulk density, pH, electric conductivity, potassium (K), phosphorus (P), soil water repellency, biomass quality. The present study comprises four data collections in different seasons along the year, enabling to compare the development of the biochar effects on different types of soil and its short- and medium-term behaviour.</p>

The response of soil quality indicators to conservation management

1999 ◽  
Vol 79 (1) ◽  
pp. 37-45 ◽  
Author(s):  
M. A. Bolinder ◽  
D. A. Angers ◽  
E. G. Gregorich ◽  
M. R. Carter
Keyword(s):  
Organic Matter ◽  
Soil Quality ◽  
Quality Indicators ◽  
Management Practices ◽  
Conservation Management ◽  
Organic Amendments ◽  
Light Fraction ◽  
Sensitivity Index ◽  
Soil Quality Indicators ◽  
Soil C

The response of soil quality attributes to management practices across a diverse range of farming systems is key to identifying a robust minimum data set (MDS). The objectives of this study were to compare the response and consistency of different soil organic matter (SOM) attributes to changes in soil management practices in eastern Canadian agroecosystems. Soil samples (0–10 cm) were obtained at sites of several replicated experiments throughout eastern Canada, and 16 paired comparisons were selected to determine the effect of conservation (no-tillage, rotations, organic amendments) versus conventional (fall moldboard plowing, continuous cropping, no organic amendments) management practices. A sensitivity index was calculated for each of the attributes by dividing the values for conservation treatments with their conventionally managed counterparts (i.e., Conservation/Conventional). The index showed that light fraction (LF) N (1.58) and macro-organic matter-N (MOM-N) (1.54) were the most sensitive SOM attributes to conservation management practices. Light fraction-C (LF-C), macro-organic matter-C (MOM-C) and microbial biomass-C (MB-C) also showed high sensitivity to conservation management (1.48, 1.34 and 1.44, respectively). The sensitivity index for carbohydrates, whole soil C and total N were 1.23, 1.16 and 1.17, respectively. However, the Friedman two-way analysis of variance test indicated that the sensitivity of the different attributes to conservation management was site specific. For example, although LF-N was highly ranked, it did not respond as frequently as most of the other attributes. A non-parametric sign test showed that whole soil C and N provided the most consistent response to conservation management. The average sensitivity index was highest for the amendment (1.82) followed by the tillage (1.26) and rotational (1.14) conservation management practices, suggesting that organic amendments had the greatest impact on most of the attributes. These results suggest that for eastern Canadian soils, use of MOM-C and MOM-N, MB-C and whole soil C would provide a useful, easy to measure and robust MDS. Key words: Soil quality indicators, response, conservation management

EVALUATION OF SOIL QUALITY INDICATORS BY A PARTICIPATORY METHOD IN RURAL SETTLEMENTS IN SOUTHERN BAHIA, BRAZIL

2015 ◽  
Vol 27 (3) ◽  
pp. 219-232
Author(s):  
Antônio W. O. Rocha Junior ◽  
Guilherme A. H. A. Loureiro ◽  
Quintino R. Araujo ◽  
George A. Sodré ◽  
Arlicélio Q. Paiva ◽  
...  
Keyword(s):  
Soil Quality ◽  
Quality Indicators ◽  
Rural Settlements ◽  
Soil Quality Indicators ◽  
Southern Bahia ◽  
Participatory Method

scholarly journals Effects of Soil and Water Conservation Measures on Soil Quality Indicators: The Case of Geshy Subcatchment, Gojeb River Catchment, Ethiopia

2020 ◽  
Vol 2020 ◽  
pp. 1-16 ◽  
Author(s):  
Melku Dagnachew ◽  
Awdenegest Moges ◽  
Asfaw Kebede ◽  
Adane Abebe
Keyword(s):  
Soil Quality ◽  
Quality Indicators ◽  
Water Conservation ◽  
Soil And Water Conservation ◽  
Land Resources ◽  
Soil Quality Indicators ◽  
Volumetric Soil Water Content ◽  
River Catchment ◽  
The Status ◽  
Soil And Water

Land degradation is a global negative environmental process that causes the decline in the productivity of land resources’ capacity to perform their functions. Though soil and water conservation (SWC) technologies have been adopted in Geshy subcatchment, their effects on soil quality were limitedly studied. The study was conducted to evaluate the effects SWC measures on soil quality indicators in Geshy subcatchment, Gojeb River Catchment, Ethiopia. A total of 54 soil samples (two treatments–farmlands with and without SWC measures ∗ three slope classes ∗ three terrace positions ∗ three replications) were collected at a depth of 20 cm. Statistical differences in soil quality indicators were analyzed using multivariate analysis of variance (ANOVA) following the general linear model procedure of SPSS Version 20.0 for Windows. Means that exhibited significant differences were compared using Tukey’s honest significance difference at 5% probability level. The studied soils are characterized by low bulk density, slightly acidic with clay and clay loam texture. The results revealed that farmlands with SWC measures had significantly improved soil physical (silt and clay fractions, and volumetric soil water content (VSWC)) and chemical (pH, SOC, TN, C : N ratio, and Av. phosphorus) quality indicators as compared with farmlands without SWC measures. The significantly higher VSWC, clay, SOC, TN, C : N ratio, and Av. P at the bottom slope classes and terrace positions could be attributed to the erosion reduction and deposition effects of SWC measures. Generally, the status of the studied soils is low in SOC contents, TN, C : N ratio, and Av. P (deficient). Thus, integral use of both physical and biological SWC options and agronomic interventions would have paramount importance in improving soil quality for better agricultural production and productivity.

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