Biological and Physicochemical Parameters Related to the Nitrogen Cycle in the Rhizospheric Soil of Native Potato (Solanum phureja) Crops of Colombia

Autor: Nathalia Flórez-Zapata, Daniel Uribe-Vélez
Jazyk: angličtina
Rok vydání: 2011
Předmět:
Zdroj: Applied and Environmental Soil Science, Vol 2011 (2011)
Druh dokumentu: article
ISSN: 1687-7667
1687-7675
DOI: 10.1155/2011/847940
Popis: Nitrogen (N) plays an important role in agricultural production. This study was designed to evaluate the presence of cultivable N cycle-associated microorganisms (nitrogen-fixing bacteria—NFB, proteolytic bacteria—PR, ammonifiers—AMO, ammonium-oxidizing bacteria—AOB, nitrite-oxidizing bacteria—NOB, and denitrifiers—DEN), and their relationship with physical-chemical and agronomic soil descriptors, in Solanum phureja rhizospheric soil samples, from traditional and organic crop management farms. A cluster analysis with the physical and chemical properties of soil, allowed to identify the organic matter content as an important factor that determines the outcome of that grouping. Significant differences (𝑃
Databáze: Directory of Open Access Journals
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