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LONG TERM EFFECTS OF AMELIORATIVE WORKS ON SOME SOIL QUALITY PARAMETERS FROM BAIA –MOLDOVA EXPERIMENTAL AGRICULTURAL DRAINAGE FIELD

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Author(s): V. Moca | Iuliana Breaban | D. Bucur

Journal: Soil Forming Factors and Processes from the Temperate Zone
ISSN 1582-4616

Volume: 8;
Issue: 1;
Start page: 45;
Date: 2009;
Original page

Keywords: soil qualitative classification and assessment | temporary moisture excess | underground drainage | ameliorating works | soil favourableness and suitability for crop growing

ABSTRACT
The soil-climatic conditions from Baia Depression – the hydrographical basin from the extra-Carpathian area of the Moldova River - have frequently determined the presence, under different forms, intensities and periods, of temporary water excess from soil. The underground drainage, as a measure of water excess control, with stagnant character, caused mainly by rainfall amounts registered for 1-5 consecutive days, was firstly arranged in pilot-experimental fields during 1972-1978. We followed the behaviour in exploitation of underground drainage technical solutions, as concerns the functional efficiency of the means of water excess removal and of the improved soil favourableness and/or suitability for crop growing.In order to assess the long-term effects of ameliorating works, applied in 1978 in the drainage field of Baia, on an area of 3.50 ha, we have qualitatively classified and estimated the albic stagnic glossic Luvosoil (S.R.T.S. – 2003), improved and unimproved. Based on this study, we have estimated the present favourableness for crops of the improved soil, as compared to unimproved soil, used as natural grassland, after an exploitation cycle of 30 years (1978- 2008).
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