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(Article of periodic en Français - 1978)

Document title

Entraînements d'éléments nutritifs suite au phénomène d'érosion en région limoneuse

Authors(s) and Affiliation(s)

HANOTIAUX G. ;

Abstract

In experimental plots, annual losses of organic and inorganic matter in liquids and solids washed away are very low (e. g. Under beets: in 1975, kg/ha: KO: 1,1| CaO: 3,8, MgO: 0,6| NaO: 2,1| N: 0,4| SO: 2,1| PO: 0,4). During rather long periods of agressive rains, or during violent storms, losses are ten to twenty times more important as under ordinary rainfall. Expressed in fertilizer value, their amount approximates only a few hundred Belgian francs. Concerning eutrophication, contents of N and P measured in runoff surface waters exceed largely the maximum level accepted. (N: 7,1 mg/1| PO: 6,5 mg/1).

Source

Article of periodic

published at : Pédologie. Bulletin de la Société belge de pédologie Gand/Gent

Editor :

Millesime : 1978, vol. 28 [pp. 192-204]

Bibliographic references : 4 réf.

Language

Français

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