Prediction of subtropical storm soil losses from field plot studies

Stocking, M. A. and Elwell, H. A. (1973) Prediction of subtropical storm soil losses from field plot studies. Agricultural Meteorology, 12. pp. 193-201. ISSN 0002-1571

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The relationships between annual soil loss under subtropical rainfall and cumulative erosivity parameters have previously been investigated (Elwell and Stocking, 1973a). In this study daily soil losses were recorded from experimental field plots planted to maize on two different but common soil types. Planting densities varied from 12,350 to 37,000 plants/ha and slopes from 3 to 8%. One bare fallow plot was included in the investigation. The results show the significance of derived energy-intensity parameters in predicting soil losses: (a) EI30 on bare soil; (b) EI15 on all covered plots to nearly maximum vegetal cover; and (c) EI5 on high density late season crops. Different slopes appear to have no relevance as to choice of parameter. Cover combined with varied infiltration and runoff conditions are suggested as the main determinants for choice of storm soil loss parameters.

Item Type: Article
Faculty \ School: Faculty of Social Sciences > School of Global Development (formerly School of International Development)
Depositing User: Pure Connector
Date Deposited: 27 Jan 2014 15:58
Last Modified: 24 Oct 2022 05:25
DOI: 10.1016/0002-1571(73)90019-8

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