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Medición de la capacidad de nitrificación mediante la técnica de incubaciones in situ en suelos cultivados con maiz

Abstract : Incubations under field conditions in cylindres had been made, in order to maintain soil's structure, covering them with polyethylene bags preventing N-loss by leaching. Soils belonging to the center of the Argentine corn area were used during the months of January and February (Cropping season 1982/83 and 1983184). N-production was estimated by difference between the concentration of the first incubation month and the initial content. Mineralization process had been affected by the initial soil water content, loosing about the 0.7 to 0.9 % of the NT. Temperature and humidity were controlled in lab oratory incubations obtaining rates four times higher than field ones. There was not associations between CT, NT and hidrolizable Nitrogen content and the N-amount liberated under field and laboratory conditions.
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https://hal.inrae.fr/hal-02720428
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Submitted on : Monday, June 1, 2020 - 10:31:56 PM
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  • HAL Id : hal-02720428, version 1
  • PRODINRA : 366545

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Demetrio Zourarakis, Susana Urricarriet, Jorge Sierra, Luis Barberis. Medición de la capacidad de nitrificación mediante la técnica de incubaciones in situ en suelos cultivados con maiz. Revista de la Facultad de Agronomía (Buenos Aires), 1987, 8 (3), pp.101-114. ⟨hal-02720428⟩

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