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Open AccessArticle

Short Term Effects of Livestock Manures on Soil Structure Stability, Runoff and Soil Erosion in Semi-Arid Soils under Simulated Rainfall

1
Institute of Soil, Water and Environmental Sciences, Agricultural Research Organization, Rishon Lezion 7505101, Israel
2
Robert H. Smith Faculty of Agriculture Food and Environment, Hebrew Univ. of Jerusalem, Rehovot 7610001, Israel
3
Soil Erosion Research Station, Ministry of Agriculture, Rishon Lezion 5020000, Israel
*
Author to whom correspondence should be addressed.
Geosciences 2020, 10(6), 213; https://doi.org/10.3390/geosciences10060213
Received: 19 April 2020 / Revised: 25 May 2020 / Accepted: 1 June 2020 / Published: 2 June 2020
(This article belongs to the Special Issue Soil Degradation: Salinization, Compaction, and Erosion)
The long term effects of applying livestock manures as soil amendment are well known. However, these manures usually contain high soluble salts content, which could increase the soil salinity and sodicity within a short time after their application. The aim of this study was to investigate the short term effects of animal manure application on soil structure stability, infiltration rate (IR), and runoff and soil erosion formation under rainfall conditions. Two soils, a non-calcareous, sandy soil with 0.2% organic matter, and a calcareous, clayey soil with 4.7% organic matter were sampled from a semiarid region. The soils were mixed with raw cattle manure or with compost, and soils with no addition were considered as a control. The two soils with the three treatments were incubated for 21 days, and then subjected to 80 mm of simulated rainstorm. In contradiction to previous works, it was found that the manure reduced soil structure stability, reduced infiltration, increased surface runoff and led to soil loss. The negative impact of the raw manure on soil structure was stronger than that of the mature compost. The findings of this study indicate the high sensitivity of arable soils to erosion processes during the first few weeks following the addition of manure to the soil, and therefore could contribute to the decision-making process of the timing of manure application, namely to make sure that the manure is applied well before the rainy season, in order to avoid the aforementioned soil erosion. View Full-Text
Keywords: soil conservation; organic soil amendments; soil erosion soil conservation; organic soil amendments; soil erosion
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MDPI and ACS Style

Goldberg, N.; Nachshon, U.; Argaman, E.; Ben-Hur, M. Short Term Effects of Livestock Manures on Soil Structure Stability, Runoff and Soil Erosion in Semi-Arid Soils under Simulated Rainfall. Geosciences 2020, 10, 213.

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