Special Issue "Carbon Input into Agricultural Soils"
Deadline for manuscript submissions: 31 January 2018
Dr. Martin Wiesmeier
Chair of Soil Science, TUM School of Life Sciences Weihenstephan, Technical University of Munich, Emil-Ramann-Str. 2, 85354 Freising, Germany
Website | E-Mail
Interests: soil organic matter; soil carbon stocks; distribution and drivers of SOC; soil fractionation; carbon input; carbon sequestration; sustainable soil management; digital soil mapping; temperate agroecosystems; semi-arid grasslands
Dr. Christopher Poeplau
Thünen Institute of Climate-Smart Agriculture, Bundesallee 50, 38116 Braunschweig, Germany
Interests: soil carbon fluxes; stocks and quality and their drivers in agricultural ecosystems; human impact on soil carbon (land management and land-use change); soil carbon dynamic (modeling, stable isotopes); interaction of nutrient cycles and the carbon cycle
In agricultural soils, plant-derived input of carbon from above- and below-ground crop residues and rhizodeposition is of major importance for soil organic matter formation and related soil functions. Precise estimations of carbon inputs are mandatory to monitor the supply of soil organic matter in agricultural soils and model soil carbon dynamics under a changing climate. However, reliable quantitative data on the carbon input into cropland and grassland soils is still barely available. In particular, knowledge on root-derived carbon input is scarce. We invite researchers to contribute original research, as well as review articles, that address aspects related to carbon input into agricultural soils.
Dr. Martin Wiesmeier
Dr. Christopher Poeplau
Manuscript Submission Information
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- Root biomass
- Soil organic carbon
- Root/shoot ratio
The below list represents only planned manuscripts. Some of these manuscripts have not been received by the Editorial Office yet. Papers submitted to MDPI journals are subject to peer-review.
Title: Soil organic matter (1988-2016) in a comparison of cropping systems in Norway
Author: Hugh Riley
Abstract: Long-term field trials provide opportunities for studying the effects of agronomic management factors, such as crop rotation, manure and fertilizer use, tillage intensity etc., on both soil quality and soil organic matter (SOM). The Apelsvoll Cropping System Experiment (APSE) provides a comparison of conventional, integrated and organic cropping systems, with both arable and mixed dairy rotations. A systematic characterisation of soil properties at the start of the experiment confirmed that variation in soil organic concentration had important effects on several soil moisture storage properties. A later study revealed that SOM concentrations and soil aggregate stability had declined after 15 years of arable management with autumn ploughing, whilst with shallow tillage and the use catch crops both these parameters were maintained at levels similar to those in ley cropping systems with the use of animal manure. These studies showed negative correlation between SOM concentration and soil bulk density (BD). Whilst management practices often affect the stratification of SOM, such correlation may imply that the total amount of SOM within the soil is less affected, as has been shown for reduced tillage in several European studies. Whilst SOM concentration is important for soil structure, it is the total amount of carbon stored in the soil that is of relevance in relation to climate change. A further soil sampling of the same plots in the APSE was performed in 2016, after 28 years of contrasting management. The aim of the present paper will be to compare both SOM and BD on these three sampling occasions, and to reveal whether there have been any overall effects of contrasting cropping systems on the total amount of carbon stored within the soil.