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Abstract

Good soil structure is important for achieving high productivity of agricultural land and also affects the ability of soil to withstand erosive forces. Given the importance of soil structure, efforts are commonly made to improve it, usually by application of amendments of different kinds (e.g. lime, biochar, compost, manure etc.). However, little is known about the effect of these amendments on the soil resistance to detachment. This study assessed the resistance to detachment of soil cores treated with different liming products, using a cohesive strength meter (CSM) which measures the rate of soil detachment under the action of water jets at different pressures. The amount of soil removed by the water jets was taken as an indirect measure of soil resistance to detachment, under the assumption that more resistant soils will lose less material than more susceptible soils at a given water jet pressure. The results showed that all soil amendments studied reduced detachment of particles under the action of water jets compared with unamended soil (control).

Keywords

Erosion; detachment susceptibility; detachment resistance; liming; cohesive strength meter

Published in

Acta Agriculturae Scandinavica, Section B - Soil and Plant Science
2020, volume: 70, number: 1, pages: 48-55
Publisher: TAYLOR & FRANCIS AS

SLU Authors

Global goals (SDG)

SDG15 Life on land

UKÄ Subject classification

Soil Science

Publication identifier

  • DOI: https://doi.org/10.1080/09064710.2019.1668475

Permanent link to this page (URI)

https://res.slu.se/id/publ/102045