Effects of soil tillage and fertilization on resource efficiency and greenhouse gas emissions in a long-term field experiment in Southern Germany

Küstermann, Björn; Munch, Jean Charles; Hülsbergen, Kurt‐Jürgen

doi:10.1016/j.eja.2013.02.012

Cited by 48 publications

(23 citation statements)

References 43 publications

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“…Plots under NT had higher soil BD in the 0-0•2 m layer than in MP and RT plots. It also verified that soil BD can be used to evaluate tillage intensity (Kuestermann et al 2013).…”

Section: Soil Bulk Densitymentioning

confidence: 73%

Changes in soil organic carbon stocks under 10-year conservation tillage on a Black soil in Northeast China

et al. 2016

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SUMMARYBiased assessment of tillage impacts on soil organic carbon (SOC) sequestration are often associated with a lack of information on the initial level of SOC stocks. The present study reported the changes in SOC concentrations and stocks following 10-year different tillage practices relative to the initial SOC levels. The tillage trial included no tillage (NT), ridge tillage (RT) and mouldboard plough (MP) on a Black soil (Hapludolls) in Northeast China. Results showed that tillage, soil depth and time significantly affected SOC concentration and SOC stock. Tillage and crop residue retention had great impacts on the SOC concentrations in the top 0·1 m layer. Compared with MP and NT, RT resulted in higher SOC concentration and SOC stock in the plough layer (0–0·2 m), which became more obvious with time. The soil under NT and RT had higher stratification ratios (SR) of SOC (SR, the ratio of SOC concentration in 0–0·05 m to that in 0·1–0·2 m) than under MP. Significant positive and nearly identical linear relationships between the SR of SOC and the duration of tillage practices occurred for both NT and RT soils; the increased SR in NT resulted from both SOC increase in surface and SOC decrease in subsurface soils, but in RT, the increased SR was only from a substantial SOC increase in surface soil. Accordingly, the present study highlights that RT was more helpful than NT in carbon sequestration for the studied Black soil in Northeast China.

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“…Plots under NT had higher soil BD in the 0-0•2 m layer than in MP and RT plots. It also verified that soil BD can be used to evaluate tillage intensity (Kuestermann et al 2013).…”

Section: Soil Bulk Densitymentioning

confidence: 73%

Changes in soil organic carbon stocks under 10-year conservation tillage on a Black soil in Northeast China

et al. 2016

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“…Despite the fact that ploughing was less frequently applied in Moselle, soil cultivation was more intensive, since there were passages by rotary cultivator and harrow. Reducing soil tillage is an excellent option to reduce energy use (Küstermann et al, 2013).…”

Section: Soil Tillage and Energy Usementioning

confidence: 99%

Designing eco-efficient crop rotations using life cycle assessment of crop combinations

Nemecek

Hayer

Bonnin

et al. 2015

European Journal of Agronomy

111

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“…The combined organic farming plus minimum tillage would be a better option of agricultural practice to improve soil conditions as indicated by the improved soil WEOM at upper soil and is likely to fuel possibly greater microbial activity, favoring the development of nutrient cycling in view of sustainable agricultural practice at the site of present study. Minimum tillage may be considered in the concerned landscape as a more acceptable way in realizing the balance between the yield loss and improved soil conservation [70].…”

Section: Discussionmentioning

confidence: 99%

Water-extractable organic matter and its fluorescence fractions in response to minimum tillage and organic farming in a Cambisol

Sun

Koal

Gerl

et al. 2017

Chem. Biol. Technol. Agric.

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Background: Minimum tillage (MT) and organic farming (OF) are increasingly conducted in agricultural managements from the interest of optimizing soil conditions and developing sustainable agriculture. Our understanding of their effects on water-extractable organic matter (WEOM) is still insufficient. Methods:To study the effects of MT and OF on WEOM, we analyzed soil materials sampled at two depths (0-8-cmupper soil and 12-25-cm-deeper soil) from long-term field experiments using different farming and tillage methods. The content, composition, and quality of WEOM were examined. Results:The results showed organic farming significantly decreased water-extractable organic carbon and nitrogen, but had positive effect on WEOM humic-like components revealed by parallel factor analysis with excitation-emission matrix, soil organic carbon (SOC), total nitrogen (TN), as well as SOC/TN. In addition, organic farming increased the aromaticity and condensation of WEOM as indicated by specific UV absorption and humification index. MT had no effect on WEOM both quantitatively and qualitatively but significantly decreased SOC and TN of the whole investigated soil profile. The depth effect was significant with strong stratification of WEOM, WEOM components as well as SOC and total N in upper soil. Moreover, the WEOM spectroscopic quality showed sharp differences between the upper and deeper soils. Conclusions:The results indicated that in the combined presence both tillage management and farming management, farming management imposed more influence on WEOM than tillage, and organic farming may facilitate the transformation of WEOM and lead to formation of WEOM with high stability. MT significantly changed the distribution of SOC and WEOM in soil, profile but did not increase the contents of SOC and WEOM in the site of the present study. However, the presence of larger pool of WEOM in MT + OF treatment at upper soil is likely to fuel possibly greater microbial activity and more rapid nutrient cycling in soil which can be favorable practice with potential in improving soil conditions in view of developing a sustainable ecosystem in the studied site

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Effects of soil tillage and fertilization on resource efficiency and greenhouse gas emissions in a long-term field experiment in Southern Germany

Cited by 48 publications

References 43 publications

Changes in soil organic carbon stocks under 10-year conservation tillage on a Black soil in Northeast China

Changes in soil organic carbon stocks under 10-year conservation tillage on a Black soil in Northeast China

Designing eco-efficient crop rotations using life cycle assessment of crop combinations

Water-extractable organic matter and its fluorescence fractions in response to minimum tillage and organic farming in a Cambisol

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