Essays on Risk-sharing, Default and Fixed-Term Contracts

Autor: Veiga Duarte, Rubén

It is hard to think of a historical period in which federations had been more central to the political and economic challenges than ours. National sovereignty means little in these times without talking about the European Union or addressing the comp

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od_______912::475a28097c2358ce2fe31395b215013a
https://hdl.handle.net/10016/37239

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Índice SPAD, nitratos y rendimiento en sorgo en respuesta al suministro de nitrógeno

Autor: Macías-Duarte, Rubén, Grijalva-Contreras, Raúl Leonel, Robles-Contreras, Fabián, Núñez-Ramírez, Fidel, Cárdenas-Salazar, Víctor Alberto, Mendóza-Pérez, Cándido

Publikováno v: Agronomía Mesoamericana; Agronomía Mesoamericana: Vol. 32, Issue 1 (January-April); 293-305
Agronomía Mesoamericana; Agronomía Mesoamericana: Vol. 32, Nº 1 (enero-abril); 293-305
Portal de Revistas UCR
Universidad de Costa Rica
instacron:UCR

Introduction.Nitrogen (N) is the macronutrient that most affects crop yield, however, the utilization by crops is associated with a low recovery efficiency; for this reason, it is necessary to analyze its absorption into the plant tissue during the c

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______3056::6e390c4b719c145492333ef40acd771e
https://revistas.ucr.ac.cr/index.php/agromeso/article/view/39712

Supplemental Pollination with Different Sources of Pollen in Olive (Olea europaea) ‘Manzanilla’ under Hot and Arid Environment

Autor: Macías-Duarte Rubén, López-Carvajal Arturo, Grijalva-Contreras Leonel, Robles-Contreras Fabián, Nuñez Ramírez Fidel, Martínez Díaz Gerardo

Publikováno v: Annual Research & Review in Biology. 7:363-369

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::20819e140ab7c8ba14c086f441b7af6b
https://doi.org/10.9734/arrb/2015/19297