Evaluation of β‐Glucosidase Activity as a Soil Quality Indicator for the Soil Management Assessment Framework

Stott, Diane E.; Andrews, Susan S.; Liebig, Mark A.; Wienhold, Brian J.; Karlen, Douglas L.

doi:10.2136/sssaj2009.0029

Cited by 252 publications

(219 citation statements)

References 42 publications

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“…The effect of cover crops on GLU/SOC ratio are in accordance with Stott et al (2010), who showed higher GLU/SOC ratios in soils with management systems that increased SOC content (for instance no-till soils or soils being converted to pasture) than in soils with management types characterized by SOC losses. The higher GLU/SOC ratios under both BV and CV cover crops would indicate that the new SOC incorporated into soil has a higher content of cellulosic substrates than the SOC present under CT.…”

Section: Discussionsupporting

confidence: 85%

The short term influence of aboveground biomass cover crops on C sequestration and β–glucosidase in a vineyard ground under semiarid conditions

Peregrina

Pérez‐Álvarez

García-Escudero

2014

Span. j. agric. res.

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Tillage and semiarid Mediterranean climatic conditions accelerate soil organic matter losses in Spanish vineyards. Previous studies showed that cover crops can increase soil organic carbon (SOC) in Mediterranean vineyards. The objectives of this study were to evaluate the influence of two different cover crops in the short term on soil C sequestration in a semiarid vineyard and to study the potential use of both β–glucosidase enzimatic activity (GLU) and the GLU/SOC ratio in order to assess the SOC increase. The experiment was carried out in a cv. Tempranillo (Vitis vinifera L.) vineyard on a Oxyaquic Xerorthent soil in Rioja winegrowing region (NE, Spain). The experimental design was established in 2009 with three treatments: conventional tillage; sown barley cover crop (Hordeum vulgare, L.); sown Persian clover cover crop (Trifolium resupinatum L.). Carbon in the aboveground biomass with each cover crop was monitored. Soil was sampled in June 2011 and June 2012, and SOC, GLU and the GLU/SOC ratio were determined. After 3 years both cover crops increased SOC at soil surface with C sequestration rates of 0.47 and 1.19 t C ha-1 yr-1 for BV and CV respectively. GLU and GLU/SOC ratio increased in both cover crops at 0-5 cm soil depth. The C sequestration rates and GLU were related to the cover crops aboveground biomass. In consequence, in semiarid vineyards under cover crops GLU could be an appropriate indicator to asses the increase of SOC and the soil quality improvement in the short-term (2-3 years).

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Section: Discussionsupporting

confidence: 85%

The short term influence of aboveground biomass cover crops on C sequestration and β–glucosidase in a vineyard ground under semiarid conditions

Peregrina

Pérez‐Álvarez

García-Escudero

2014

Span. j. agric. res.

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“…Frequently recommended soil quality indicators include: soil organic matter (SOM), particulate organic matter (POM), microbial biomass carbon (MBC), potentially mineralizable nitrogen (PMN), macroaggregate stability, electrical conductivity (EC), sodium absorption ratio (SAR), pH, inorganic N, P, potassium (K), and magnesium (Mg), available water-holding capacity (AWC), bulk density (BD), topsoil depth, and infiltration rate [9,23,26]. Soil enzyme activity, specifically β-glucosidase activity which is involved in plant residue degradation, and water-filled pore-space were recently added to the recommended list of important soil quality indicators because of their association with soil biological properties and processes [27].…”

Section: Existing Soil Quality/health Assessmentmentioning

confidence: 99%

Understanding and Enhancing Soil Biological Health: The Solution for Reversing Soil Degradation

et al. 2015

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Our objective is to provide an optimistic strategy for reversing soil degradation by increasing public and private research efforts to understand the role of soil biology, particularly microbiology, on the health of our world's soils. We begin by defining soil quality/soil health (which we consider to be interchangeable terms), characterizing healthy soil resources, and relating the significance of soil health to agroecosystems and their functions. We examine how soil biology influences soil health and how biological properties and processes contribute to sustainability of agriculture and ecosystem services. We continue by examining what can be done to manipulate soil biology to: (i) increase nutrient availability for production of high yielding, high quality crops; (ii) protect crops from pests, pathogens, weeds; and (iii) manage other factors limiting production, provision of ecosystem services, and resilience to stresses like droughts. Next we look to the future by asking what needs to be known about soil biology that is not currently recognized or fully understood and how these needs could be addressed using emerging research tools. We conclude, based on our perceptions of how new knowledge regarding soil biology will help make agriculture more sustainable and productive, by recommending research emphases that should receive first priority through enhanced public and private research in order to reverse the trajectory toward global soil degradation.

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“…Assessment values are generally expressed as a fraction or percentage of full performance for soil functions such as crop productivity, nutrient cycling, or environmental filtering and buffering. Currently, the SMAF has scoring curves or interpretation algorithms for 13 indicators: water-stable macroaggregation (WSA), plantavailable water (PAW), water-filled pore space (WFPS), bulk density (BD), electrical conductivity (EC), pH, sodium adsorption ratio (SAR), extractable P and K, soil organic carbon (SOC), microbial biomass carbon (MBC), potentially mineralizable N (PMN), and b-glucosidase (BG) activity (Andrews et al, 2004;Wienhold et al, 2009;Stott et al, 2010).…”

Section: Introductionmentioning

confidence: 99%

Soil quality response to long-term tillage and crop rotation practices

Karlen

Cambardella

Kovar

et al. 2013

Soil and Tillage Research

145

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Evaluation of β‐Glucosidase Activity as a Soil Quality Indicator for the Soil Management Assessment Framework

Cited by 252 publications

References 42 publications

The short term influence of aboveground biomass cover crops on C sequestration and β–glucosidase in a vineyard ground under semiarid conditions

The short term influence of aboveground biomass cover crops on C sequestration and β–glucosidase in a vineyard ground under semiarid conditions

Understanding and Enhancing Soil Biological Health: The Solution for Reversing Soil Degradation

Soil quality response to long-term tillage and crop rotation practices

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