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Soil structure degradation in patches of alfalfa fields Scientia Agricola
Miretti,María Celeste; Imhoff,Silvia; Silva,Alvaro Pires da; Lavado,Raúl.
Alfalfa (Medicago sativa) is the basic forage resource for milk production in the flat Pampa of the Santa Fe Province of Argentina. However, the presence of microrelief with patches threatens the expansion of the area cultivated with alfalfa. The lower productivity in the patches is attributed to the inferior soil physical quality. The objectives of this study were to quantify indicators of soil physical quality and to establish the soil properties that would affect the alfalfa productivity in patches (PA) and normal areas (NA). Additionally, the macro and micro nutrient contents in both areas were determined. The experiment was carried out on an Aquic Argiudoll. Eighteen sampling sites, nine in NA and nine in PA were established. At each site, undisturbed...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Soil physical properties; Soil nutrient content; Alfalfa growth.
Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162010000500015
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