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Effect of different management strategies on soil quality of citrus orchards in Southern Italy Organic Eprints
Canali, Stefano; Emanuela, Di Bartolomeo; Alessandra, Trinchera; Luigi, Nisini; Fabio, Tittarelli; Francesco, Intrigliolo; Giancarlo, Roccuzzo; Maria Luisa, Calabretta.
Twenty-six soil samples were collected from 13 paired orchards (organically vs. conventionally managed) homogeneous for age, rootstock and cultivars, belonging to the Eastern Sicily Organic Citrus farm Network. The soil quality was evaluated by chemical and biochemical indicators. The total organic C, humification parameters and isoelectric focusing of extracted organic matter were measured to quantify the size of relevant soil C pools. In addition, C turnover was evaluated by determining microbial C mineralization, C microbial biomass and by calculating the mineralization and metabolic quotient (qCO2). The results obtained demonstrated that organic citrus soils were characterized by a general increase in all the organic matter pools, which means a...
Tipo: Conference paper, poster, etc. Palavras-chave: Crop combinations and interactions; Nutrient turnover; Farm nutrient management.
Ano: 2009 URL:
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