Mineralization pattern of soil organic n of several soils in the tropics

Ando, Hideyuki; Aragones, Rowena C.; Wada, Genshichi

doi:10.1080/00380768.1992.10416485

Cited by 22 publications

(10 citation statements)

References 3 publications

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“…13C C P W NMR, N mineralization parameter, organic matter composition, Nitrogen is one of the essential nutrients for crop production. In rice (Oryza sariva L.) cultivation in alluvial soils, most of plant N has been found to be derived from the soil organic N pool (Ando et al 1992). Similar results were reported for wild rice (Zizaniu palusfris L.) cultivated in peat soils, where 5040% of N required for plant growth was derived from soil N mineralized during the rice growth period, with the rest from fertilizer N and soil N mineralized during the off-cropping season (Zanner and Bloom 1995).…”

supporting

confidence: 68%

Kinetic Parameters of Gross N Mineralization of Peat Soils as Related to the Composition of Soil Organic Matter

Purwanto¹,

Watanabe²,

Shoon³

et al. 2005

Soil Science and Plant Nutrition

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Peat land has been considered as an alternative type of land for agricultural development especially in the tropics. In the present study, the N‐supplying capacity, one of the most important soil properties in terms of crop production, of peat soils was examined. Ten peat soil samples were collected from Indonesia, Malaysia, and Japan. Gross N mineralization in the soil samples was estimated using a zero‐order model, and kinetic parameters of mineralization were determined using a simple type model. Soil organic matter composition was investigated using 13C CPMAS NMR. Mineralization potential (N0), apparent activation energy (Ea), and mineralization rate constant (k) ranged between 571–2,445 mg kg−1, 281–8,181 J mol−1, and 0.009–0.020 d−1, respectively. Although none of the parameters showed a significant correlation with the soil C/N ratio, a negative correlation was observed between the k value and the ratio of the proportion of alkyl C in total C to that of O‐alkyl C estimated by 13C CPMAS NMR. The latter suggested that the k values were higher in the peat soils relatively rich in readily decomposable organic matter including carbohydrates.

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supporting

confidence: 68%

Kinetic Parameters of Gross N Mineralization of Peat Soils as Related to the Composition of Soil Organic Matter

Purwanto¹,

Watanabe²,

Shoon³

et al. 2005

Soil Science and Plant Nutrition

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“…La temperatura también juega un importante papel en la mineralización de N. Muestras de suelo incubadas a diferentes temperaturas presentaron diferencias significativas en tasas (Ando et al, 1992). De igual manera, Tejada et al (2002) encontraron que a 25°C la tasa de mineralización de N es más rápida durante los primeros días, alcanzando el pico a los 3 días de incubación, mientras que a 15°C el pico se alcanza a los 15 d de incubación, independiente del tratamiento evaluado (sin fertilizar, fertilización convencional, fertilización orgánica más convencional y fertilización organomineral).…”

Section: Propiedades Físicasunclassified

Factores que intervienen en el proceso de mineralización de nitrógeno cuando son aplicadas enmiendas orgánicas al suelo. Una revisión

Monsalve-C.

Gutiérrez-D.

Cardona

2017

Rev. Colomb. Cienc. Hortic.

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Factores que intervienen en el proceso de mineralización de nitrógeno cuando son aplicadas enmiendas orgánicas al suelo. Una revisión RESUMENLa aplicación de enmiendas orgánicas es una práctica que se hace regularmente en sistemas de cultivos, con el fin de mejorar propiedades físicas y químicas del suelo y aportar nutrientes como nitrógeno (N). Para que las plantas puedan absorberlo, gran cantidad del N que es aportado a través de las enmiendas orgánicas, debe ser transformado de sus formas orgánicas a inorgánicas, en un proceso denominado mineralización. Se han desarrollado investigaciones tendientes a entender este proceso, y, cómo el aporte de enmiendas orgánicas influye en su dinámica. Esta revisión proporciona una visión global sobre los factores, de suelo y enmienda, que intervienen en el proceso de mineralización de N cuando se aplican al suelo enmiendas orgánicas de diferentes fuentes.Palabras clave adicionales: inmovilización, lixiviación, abono orgánico. ABSTRACTThe application of organic amendments is a practice that is done regularly in crop systems in order to improve the physical and chemical properties of the soil and provide nutrients such as nitrogen (N). In order for plants to absorb it, much of the N that is contributed through organic amendments must be transformed 1 Facultad de Ciencias Agrarias, Programa de Maestría en Ciencias Agrarias, Línea Suelos y Aguas, Universidad Nacional de Colombia, Bogotá (Colombia).

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“…Such amounts may be provided by S. rostrata through mineralization but definitely not by rice straw. The growth of rice at the active tiUering stage is also greatly influenced by the level of NH 4-N in the soil which is dependent on the mineralization pattern of soil organic N (And• et al, 1992). …”

Section: Nitrogen Mineralization Patternsmentioning

confidence: 99%

“…Under certain conditions, rice can derive more than 50% of its N requirement from soil organic N (Ando et al, 1992;Broadbent, 1979;Koyama, 1981;Sahrawat, 1983). Mineralization of soil organic N is a key biological process in the N nutrition of lowland rice and a better understanding of its mineralization pattern is important in developing a soil N management strategy.…”

Section: Introductionmentioning

confidence: 99%

Prediction of nitrogen availability and rice yield in lowland soils: Nitrogen mineralization parameters

et al. 1994

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Field experiments were conducted under flooded soil conditions using Maahas clay amended with urea and rice straw-sesbania mixtures during the wet and dry seasons. Parallel laboratory incubation tests were done. The objectives were 1) to determine N mineralization patterns and establish the relationship between mineralization parameters and either N availability or grain yield, and 2) to correlate the results of organic N mineralization studies in the laboratory with data from field experiments. The N mineralization patterns of flooded soils in the laboratory followed a logistic function. In laboratory studies, mineralization potential was positively correlated with extractable soil NH 4-N at the end of the incubation period (cumulative available N). Likewise, mineralization potential calculated from laboratory studies was positively correlated with N uptake and grain yield from field studies. Extractable (NH 4 + NO3)-N in the field correlated positively with extractable NHa-N in the laboratory. The extractable NHn-N from laboratory incubations at 14 days after transplanting, panicle initiation, and maturity was also highly and positively correlated with grain yield from field experiments.

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Mineralization pattern of soil organic n of several soils in the tropics

Cited by 22 publications

References 3 publications

Kinetic Parameters of Gross N Mineralization of Peat Soils as Related to the Composition of Soil Organic Matter

Kinetic Parameters of Gross N Mineralization of Peat Soils as Related to the Composition of Soil Organic Matter

Factores que intervienen en el proceso de mineralización de nitrógeno cuando son aplicadas enmiendas orgánicas al suelo. Una revisión

Prediction of nitrogen availability and rice yield in lowland soils: Nitrogen mineralization parameters

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