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Aportes de residuos de cultivos de cobertura y enmiendas orgánicas : efecto sobre nitrificadores y celulolíticos
Gregorutti, Viviana Carolina; Caviglia, Octavio (Asociación Argentina de la Ciencia del Suelo, 2021-07)El aporte de residuos de cultivos de cobertura (CC) y enmiendas orgánicas al suelo, como cama de pollo y gallinaza, es una fuente de C y N qué a través de su descomposición regula la actividad y abundancia de los microorganismos ... -
Diversified crop sequences to reduce soil nitrogen mining in agroecosystems
Novelli, Leonardo Esteban; Caviglia, Octavio; Jobbagy Gampel, Esteban Gabriel; Sadras, Victor Oscar (Elsevier, 2022-10)Nitrogen (N) is the primary driver of increased global food supply, but has environmental consequences from both under- and over-fertilisation. While over-fertilisation and reactive nitrogen release onto the environment ... -
Microbial activity effect on aggregate stability after residue addition in a Mollisol and a Vertisol in the Pampas, Argentina
Novelli, Leonardo Esteban; Hass, Walter L.; Benintende, Silvia M.; Caviglia, Octavio (Elsevier, 2020-12)Crop residue addition to the soil promotes an increase in microbial activity and, as a consequence, may improve soil aggregate stability. However, this effect may be different in soils with contrasting aggregation agents. ... -
Plant nitrogen status at flowering and kernel set efficiency in early- and late-sown maize crops
Maltese, Nicolás; Maddonni, Gustavo Angel; Melchiori, Ricardo Jose; Caviglia, Octavio (Elsevier, 2021-08)In maize (Zea mays, L.) genotypic variability in the relationship between total kernel number per plant (KNP) and plant growth rate (PGR) during the period bracketing silking (R1 ± 15 d), and in kernel set efficiency (KNP ... -
The allometric relationships between biomass and nitrogen of vegetative organs affect crop N status in maize at silking stage
Maltese, Nicolás; Maddonni, Gustavo Angel; Melchiori, Ricardo Jose; Ciampitti, Ignacio A.; Caviglia, Octavio (Elsevier, 2023-04)In maize (Zea mays, L.) changes in the partitioning of biomass (W) and nitrogen (N) between organs linked to photosynthetically active tissues, such as leaves (with high N concentration, %N) and organs related to supporting ...