Julien Guigue
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View article: Liming Enhances Soil Phosphorus Cycling in Long-Term Agricultural Fields
Liming Enhances Soil Phosphorus Cycling in Long-Term Agricultural Fields Open
Liming enhances both organic phosphorus (P) mineralization and the precipitation of inorganic phosphates with calcium (Ca) cations. To better understand how P storage and cycling in soil profiles are regulated by the interaction of long-te…
View article: Liming Enhances Soil Phosphorus Cycling in Long‐Term Agricultural Fields
Liming Enhances Soil Phosphorus Cycling in Long‐Term Agricultural Fields Open
Liming enhances both organic phosphorus (P) mineralization and the precipitation of inorganic phosphates with calcium (Ca) cations. To better understand how P storage and cycling in soil profiles are regulated by the interaction of long‐te…
View article: Pushing the Limits of Soil Organic Carbon Storage: The Role of Land Use in Soil Carbon Dynamics
Pushing the Limits of Soil Organic Carbon Storage: The Role of Land Use in Soil Carbon Dynamics Open
Healthy soils with high carbon content not only enhance agricultural productivity but also serve as significant carbon sinks, by sequestering atmospheric carbon dioxide. Understanding soil organic carbon dynamics is paramount for devising …
View article: Vertical distribution and variability of soil organic carbon and CaCO3 in deep Colluvisols modeled by hyperspectral imaging
Vertical distribution and variability of soil organic carbon and CaCO3 in deep Colluvisols modeled by hyperspectral imaging Open
The acceleration of soil erosion in undulating landscapes due to human activities has led to a larger area of land being affected by intensive soil redistribution. Colluvisols, sedimentary soils formed on concave slope positions, are consi…
View article: Soil carbon and nitrogen cycling at the atmosphere–soil interface: Quantifying the responses of biocrust–soil interactions to global change
Soil carbon and nitrogen cycling at the atmosphere–soil interface: Quantifying the responses of biocrust–soil interactions to global change Open
In drylands, where water scarcity limits vascular plant growth, much of the primary production occurs at the soil surface. This is where complex macro‐ and microbial communities, in an intricate bond with soil particles, form biological so…
View article: From waste to soil: Can we create functioning manufactured soils by recycling rock processing waste?
From waste to soil: Can we create functioning manufactured soils by recycling rock processing waste? Open
Rock mining industries do not only exploit and transform extensive areas of land, but also produce vast amounts of rock waste material that lacks an adequate utilization. Some of these rock wastes have the potential to provide nutrients to…
View article: Subsoil amelioration in agriculture: Deep loosening and compost incorporation in a Retisol
Subsoil amelioration in agriculture: Deep loosening and compost incorporation in a Retisol Open
Subsoils can store significant amounts of water, soil organic carbon and nutrients. In consequence, agricultural subsoil management is being increasingly tested as an option to sustain crop productivity under unfavourable conditions.The So…
View article: Linking progressive SOC depletion to degradation of soil structure: Where does it fail first?
Linking progressive SOC depletion to degradation of soil structure: Where does it fail first? Open
Soil organic carbon (SOC) depletion is often a result of human land use, which is intensified by climate change. As SOC is closely linked to the stabilization of soil structure, the loss of SOC in a soil may induce soil structure breakdown…
View article: Interactive effects of agricultural management on soil organic carbon accrual: A synthesis of long-term field experiments in Germany
Interactive effects of agricultural management on soil organic carbon accrual: A synthesis of long-term field experiments in Germany Open
Crop production often leads to soil organic carbon (SOC) losses. However, under good management practice it is possible to maintain and even re-accumulate SOC. We evaluated how different cropland management techniques affected SOC stocks i…
View article: Twenty percent of agricultural management effects on organic carbon stocks occur in subsoils – Results of ten long-term experiments
Twenty percent of agricultural management effects on organic carbon stocks occur in subsoils – Results of ten long-term experiments Open
Agricultural management can influence soil organic carbon (SOC) stocks and thus may contribute to carbon sequestration and climate change mitigation. The soil depth to which agricultural management practices affect SOC is uncertain. Soil d…
View article: Subsoil management in agriculture and changes in organic matter stocks
Subsoil management in agriculture and changes in organic matter stocks Open
Global environmental changes are threatening the productivity of agroecosystems. Floods or droughts, together with long-term decline in soil organic matter stocks are pointing to the necessity of finding solutions for sustainable performan…
View article: Soil carbon and nitrogen cycling at the atmosphere-soil interface: quantifying the response of biocrust-soil interactions to climate change
Soil carbon and nitrogen cycling at the atmosphere-soil interface: quantifying the response of biocrust-soil interactions to climate change Open
Almost half of Earth’s terrestrial surface is covered by drylands, where limitation of water restricts vascular plant growth. In these ecosystems, a substantial part of primary production instead takes place directly at the soil surf…
View article: Simulating Root Growth as a Function of Soil Strength and Yield With a Field-Scale Crop Model Coupled With a 3D Architectural Root Model
Simulating Root Growth as a Function of Soil Strength and Yield With a Field-Scale Crop Model Coupled With a 3D Architectural Root Model Open
Accurate prediction of root growth and related resource uptake is crucial to accurately simulate crop growth especially under unfavorable environmental conditions. We coupled a 1D field-scale crop-soil model running in the SIMPLACE modelin…
View article: Arbuscular mycorrhizal fungi foster carbon and nitrogen storage in soil microaggregates even under drought conditions
Arbuscular mycorrhizal fungi foster carbon and nitrogen storage in soil microaggregates even under drought conditions Open
<p>Soil organisms such as arbuscular mycorrhizal fungi (AMF) and the roots they inhabit are key actors for shaping soil structure, which fosters a multitude of functions such as carbon storage and water availability. The expansion of…
View article: Carbon and nitrogen dynamics as affected by land-use and management change from original rice paddies to orchard, wetland, parking area and uplands in a mountain village located in Shonai region, Northeast Japan
Carbon and nitrogen dynamics as affected by land-use and management change from original rice paddies to orchard, wetland, parking area and uplands in a mountain village located in Shonai region, Northeast Japan Open
This study investigated the effect of land-use and management change (LUMC) on carbon (C) and nitrogen (N) dynamics after 15–40 years. LUMC constituted change from rice paddies to chestnut orchard, wetland, and buckwheat upland fields in S…
View article: Spatial molecular heterogeneity of <scp>POM</scp> during decomposition at different soil depths resolved by <scp>VNIR</scp> hyperspectral imaging
Spatial molecular heterogeneity of <span>POM</span> during decomposition at different soil depths resolved by <span>VNIR</span> hyperspectral imaging Open
Soil organic matter (SOM) is composed of fractions with different functions and reactivity. Among these, particulate organic matter (POM) is the main educt of new inputs of organic matter in soils and its chemical fate corresponds to the f…
View article: Spatial molecular heterogeneity of POM during decomposition at different soil depths res olved by VNIR hyperspectral imaging
Spatial molecular heterogeneity of POM during decomposition at different soil depths res olved by VNIR hyperspectral imaging Open
Soil organic matter is composed of fractions with different functions and reactivity. Among these, particulate organic matter (POM) is the main educt of new inputs of organic matter in soils and its chemical fate corresponds to the first s…
View article: Application of organic fertilizers alter the physical and biogeochemical properties of agricultural topsoil and subsoil
Application of organic fertilizers alter the physical and biogeochemical properties of agricultural topsoil and subsoil Open
<p>Sustainable agricultural practices aim to ensure the rebuilt of soil organic carbon (SOC) stocks and to sustain soil fertility. One of the levers is the use of carbon and nutrient inputs in the form of organic amendments, such as …
View article: Mapping molecular information of organic amendments during their decomposition in soil derived from hyperspectral imaging
Mapping molecular information of organic amendments during their decomposition in soil derived from hyperspectral imaging Open
<p><span>O</span><span>rganic matter added to agricultural soil </span><span>determines</span><span> the C balance and the nutrient cycling in these ecosystems. Organic fertilisation can resu…
View article: Soil phosphorus cycling is modified by carbon and nitrogen fertilization in a long‐term field experiment
Soil phosphorus cycling is modified by carbon and nitrogen fertilization in a long‐term field experiment Open
Background and aims : Phosphorus (P) is an essential element for crop growth. However, while links of P turnover in soils to carbon (C) and nitrogen (N) availability have been described, it remains to be clarified how combinations of ferti…
View article: C stocks and subsoil management in agroecosystems: application of hyperspectral imaging to study organic matter dynamics in the top one metre of soil
C stocks and subsoil management in agroecosystems: application of hyperspectral imaging to study organic matter dynamics in the top one metre of soil Open
<p><span>While the demographic pressure for food demand is continuously rising, global environmental changes are threatening the productivity of agroecosystems. Climatic events like floods or droughts, and long-term decrease in…
View article: Hyperspectral imaging for high-resolution mapping of soil profile organic carbon distribution in an Austrian Alpine landscape
Hyperspectral imaging for high-resolution mapping of soil profile organic carbon distribution in an Austrian Alpine landscape Open
<p>Studies on soil organic carbon (SOC) stocks mostly focus on topsoils (< 30 cm). However, 30 to 63% of the SOC are stored in the subsoils (30 to 100 cm), and the factors controlling SOC storage in subsoils may be substantially d…
View article: Water extractable organic carbon and nitrogen and their stable isotopes from long-term experiment in a Japanese rice paddy
Water extractable organic carbon and nitrogen and their stable isotopes from long-term experiment in a Japanese rice paddy Open
Hot water- and water-extracted organic matter was extracted from soil samples collected after a 31-year long-term experiment which aimed to assess the effect of different fertilization strategies (inorganic fertilizers and organic matters)…
View article: High Microbial Diversity Promotes Soil Ecosystem Functioning
High Microbial Diversity Promotes Soil Ecosystem Functioning Open
In soil, the link between microbial diversity and carbon transformations is challenged by the concept of functional redundancy. Here, we hypothesized that functional redundancy may decrease with increasing carbon source recalcitrance and t…