Agricultural landscape-scale C factor determination and erosion prediction for various crop rotations through a remote sensing and GIS approach

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989592%3A15310%2F21%3A73610787" target="_blank" >RIV/61989592:15310/21:73610787 - isvavai.cz</a>

Result on the web

<a href="https://www.sciencedirect.com/science/article/pii/S1161030120302100" target="_blank" >https://www.sciencedirect.com/science/article/pii/S1161030120302100</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.eja.2020.126203" target="_blank" >10.1016/j.eja.2020.126203</a>

Result language

angličtina

Original language name

Agricultural landscape-scale C factor determination and erosion prediction for various crop rotations through a remote sensing and GIS approach

Original language description

In arable land management, different crop rotation patterns and sequences, such as changing agricultural land use to erosion prone crops, or crops providing less ground cover, can greatly influence soil loss rate through their impact on soil cover status (C factor value). The influence of crop rotation on C value and on erosion rate is often determined on an experimental plot scale, so the results are often erroneous when extrapolated to large heterogeneous landscapes, where they fail to capture the spatiotemporal variability beyond the experimental sites. In the present study we have endeavored to investigate the impact of various crop rotation patterns on C value and on subsequent soil erosion rate, at a landscape level, by combining 28 time-series satellite images (from 2013 to 2016) along with annually updated land-use data, via the integrated administration and control system (IACS), from the Uckermark district of north eastern Germany. In total, 21 different crop sequences were investigated. Winter wheat (WW), winter rape (WR), and maize (Mz) were found to be the predominant arable crops grown in the study area. The highest average annual C values were estimated from crop sequences involving Mz and sugar beet (SB), both as pre-crops and succeeding crops. The highest value of 0.39 was computed from SB/Mz rotation. On the other hand, crop rotation involving WR gave significantly lower annual C values in all the years considered, with the lowest average annual C value of 0.07 calculated on WR parcels preceded by winter cereals. It was also apparent that crop rotation patterns influenced C value in a temporally variable manner. Among the self-sequencing patterns, WR/WR reduced the C value significantly compared with Mz/Mz and to a lesser extent compared with WW/WW. Continuous cultivation of Mz increased the potential soil loss rate by as much as 72 % compared to WR/WR and by 51 % compared to WW/WW. It was also possible to determine the spatial distribution of the impact of crop rotation on soil erosion risk within the study area. The results obtained agreed with the results of other international and regional studies. Overall, the output from this research could contribute towards further efficient investigation of the impact of agronomic practices on the environment in a large agricultural landscape, without the need to set up multi-location experimental plots.

Czech name

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Czech description

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Type

J_imp - Article in a specialist periodical, which is included in the Web of Science database

CEP classification

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OECD FORD branch

10618 - Ecology

Project

<a href="/en/project/QK1810233" target="_blank" >QK1810233: Quantification of the impact of farming management on soil erosion, soil quality and yields of crops with proposals of the environmentally friendly cultivation technologies.</a><br>

Continuities

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year

2021

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

EUROPEAN JOURNAL OF AGRONOMY

ISSN

1161-0301

e-ISSN

—

Volume of the periodical

123

Issue of the periodical within the volume

FEB

Country of publishing house

FR - FRANCE

Number of pages

13

Pages from-to

"126203-1"-"126203-13"

UT code for WoS article

000612213600005

EID of the result in the Scopus database

2-s2.0-85097109984