Search Results - "Alcantara, J.M."

Nitrogen-use efficiency in tropical lowland rice systems: contributions from indigenous and applied nitrogen by Cassman, K.G., Gines, G.C., Dizon, M.A., Samson, M.I., Alcantara, J.M.

“…Partial factor productivity (P fp) from N fertilizer is the ratio of grain yield to the applied N rate. It is a parameter that includes contributions to N-use…”
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Effects of habitat alteration on the effectiveness of plant-avian seed dispersal mutualisms: Consequences for plant regeneration by Rey, Pedro J., Alcántara, J.M.

“…Anthropogenic habitat alteration may affect the dispersal service provided by avian seed dispersers, ultimately causing regeneration collapse, through a decay…”
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Soil organic matter and the indigenous nitrogen supply of intensive irrigated rice systems in the tropics by Cassman, K.G., Dobermann, A., Sta Cruz, P.C., Gines, G.C., Samson, M.I., Descalsota, J.P., Alcantara, J.M., Dizon, M.A., Olk, D.C.

“…Soil organic matter (SOM) has been proposed as an index of N supply in paddy soils although field validations are few. We evaluated the relationship between…”
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Effect of metal salts in the optical properties of polydiacetylenes by Díaz-Ponce, J.A., Morales-Saavedra, O.G., Beristaín-Manterola, M.F., Hernández-Alcántara, J.M., Ogawa, T.

“…Films of polydiacetylene (PDA)-containing polyesters with metal salts of Zn, Eu and Gd were prepared. Ultraviolet–visible (UV–VIS) absorption and…”
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Characterization of luminescent SrAl2O4 films doped with terbium and europium ions deposited by ultrasonic spray pyrolysis technique by Calderón-Olvera, R.M., Albanés-Ojeda, E.A., García-Hipólito, M., Hernández-Alcántara, J.M., Álvarez-Perez, M.A., Falcony, C., Álvarez-Fregoso, O.

“…SrAl2O4, SrAl2O4:Tb3+ and SrAl2O4:Eu3+:Eu2+ films were synthesized by means of the ultrasonic spray pyrolysis technique. These samples, characterized by X-Ray…”
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Up-conversion luminescence of hafnium, erbium, ytterbium and lithium co-doped yttrium oxide by Mariscal-Becerra, L., Velázquez-Aguilar, V.M., Flores-Jiménez, M.C., Hernández-Álcantara, J.M., Camarillo-García, E., Villagómez, C.J., Váquez-Arreguín, R., Martínez-Merlin, I., Falcony-Guajardo, C., Murrieta S, H.

“…UP-conversion luminescence of hafnium, erbium, ytterbium and lithium multiple doped yttrium oxide powders are presented. The measured luminescent spectra were…”
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Synthesis, optical and thermoluminescence properties of thulium-doped KMgF3 fluoroperovskite by Pérez-Cruz, L., Cruz-Zaragoza, E., Díaz, D., Alcántara, J.M. Hernández, García, E. Camarillo, Camarillo-García, I., Sánchez, H. Murrieta

“…KMgF3 fluoroperovskite doped with thulium at different concentrations were synthesized by the solid-state reaction method. The phase composition and the…”
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Seedling establishment in Olea europaea: Seed size and microhabitat affect growth and survival by Rey, P.J, Alcantara, J.M, Valera, F, Sanchez-Lafuente, A.M, Garrido, J.L, Ramirez, J.M, Manzaneda, A.J

“…We investigated the effects of seed size and microhabitat on the dynamics of seedling establishment in Olea europaea. We tested the hypothesis that the type of…”
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Effects of late nitrogen fertilizer application on head rice yield, protein content, and grain quality of rice by Perez, C.M. (International Rice Research Institute, Laguna, Philippines.), Juliano, B.O, Liboon, S.P, Alcantara, J.M, Cassman, K.G

“…Rice yields of 10 and 6 t/ha can be achieved in the humid tropics during the dry and wet seasons, respectively. At these high yield levels, late nitrogen (N)…”
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Habitat alteration and plant intra-specific competition for seed dispersers: an example with Olea europaea var. sylvestris by Alcantara, J.M, Rey, P.R, Valera, F, Sanchez-Lafuente, A.M, Gutierrez, J.E

“…This paper examines the hypothesis that intra-specific competition for avian dispersers among wild olive trees (Olea europaea var. sylvestris, Oleaceae) might…”
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Assessing the long-term contribution of nurse plants to restoration of Mediterranean forests through Markovian models by Siles, G., Rey, P. J., Alcántara, J. M., Ramírez, J. M.

“…1. Based on short-term experimental data, facilitative interactions between woody plants (nurse-recruit interactions) have been described as essential for the…”
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Effect of 8MeV Si ions irradiation and thermal annealing in ZnO thin films by Hernández-Socorro, D.R., Montiel-González, Z., Rodil-Posada, S.E., Flores-Morales, L., Cruz-Manjarrez, H., Hernández-Alcántara, J.M., Rodríguez-Fernández, L.

“…ZnO thin films deposited by RF magnetron sputtering on silicon (100) wafers were irradiated by 8MeV Si ions and thermal annealed in order to study optical…”
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Linking divergent selection on vegetative traits to environmental variation and phenotypic diversification in the Iberian columbines (Aquilegia) by ALCÁNTARA, J.M, BASTIDA, J.M, REY, P.J

“…Divergent selection is a key in the ecological theory of adaptive radiation. Most evidence on its causes and consequences relies on studies of pairs of…”
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Post-fire restoration of Mediterranean forests: Testing assembly rules mediated by facilitation by Siles, G., Rey, P.J., Alcántara, J.M.

“…In view of the importance of facilitative interactions between plants, nurse-based planting has been proposed as a restoration technique for Mediterranean…”
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Optical properties of Eu2+-ions immersed as substitutional impurities in a novel spatially-coherent composite host obtained from a melt of KCl, KBr and KI by Cordero-Borboa, A.E., Flores-Jiménez, C., Campos-González, M.A., Hernández-Alcántara, J.M., Murrieta-Sánchez, H.

“…The optical properties of doping Eu2+-ions in a novel composite host, consisting of a spatially-coherent aggregate of crystallites of KBr(0.097):KI(0.903) and…”
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Conflicting selection on diaspore traits limits the evolutionary potential of seed dispersal by ants by MANZANEDA, A.J, REY, P.J, ALCÁNTARA, J.M

“…Conflicts of selection on diaspore traits throughout the dispersal cycle can limit the evolutionary consequences of seed dispersal. However, these conflicts…”
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Breeding system and the role of floral visitors in seed production of a 'few-flowered' perennial herb, Paeonia broteroi Boiss. & Reut. (Paeoniaceae) by Sanchez-Lafuente, A.M, Rey, P.J, Alcantara, J.M, Valera, F

“…The breeding system and pollination ecology of Paeonia broteroi (Paeoniaceae), a self-compatible, perennial herb, which produces few flowers (one to eight) per…”
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Fruit losses and fruit removal in Olea europaea var. sylvestris Brot. (Oleaceae) by Alcantara, J.M, Rey, P.J, Valera, F, Sanchez-Lafuente, A.M. (Universidad de Jaen (Espana))

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