Results 91 to 100 of about 101,999 (216)

Considerations on the research and dissemination of agricultural knowledge by the Facultad de Agronomía

open access: yesAgronomía Colombiana, 2013
In order to mark the 50-year-history of the Facultad de Agronomía of the Universidad Nacional de Colombia, this article reviews the beginning of agronomy in Colombia, the creation of the Facultad de Agronomía, the development of the Escuela de Posgrados,
Gustavo A Ligarreto M
doaj  

Water stress and temperature effects on germination and early seedling growth of Digitaria eriantha [PDF]

open access: yes, 2013
This study focused on the two major processes critical for plant establishment: Seed germination and seedling survival. We determined the effects of (1) water stress and temperature on the germination, and (2) water stress on early seedling growth of ...
Baioni, S. S.   +14 more
core   +1 more source

Comment on “Bilaterian Burrows and Grazing Behavior at >585 Million Years Ago” [PDF]

open access: yes, 2013
Pecoits et al. (Reports, 29 June 2012, p. 1693) describe bilaterian trace fossils and assign them an Ediacaran age based on the age of a granite interpreted as intrusive.
Beri, Angeles   +4 more
core   +2 more sources

Trabajos premiados del concurso de dibujo “Histoarte”

open access: yesAb Intus, 2022
El concurso "Histoarte" es organizado por la Cátedra de Histología de la Facultad de Agronomía y Veterinaria de la Universidad Nacional de Río Cuarto, Argentina.
Facultad de Agronomía y Veterinaria - UNRC
doaj  

Identificación y cría de microhimenópteros parasitoides de Bemisia tabaci (Gennadius) presentes en una plantación comercial de pimiento (Capsicum annuum L.) bajo carpa plástica y en la vegetación asociada al mismo [PDF]

open access: yes, 2014
La mosca blanca Bemisia tabaci (Gennadius) se encuentra entre los insectos plaga de mayor importancia económica que afectan al cultivo de pimiento bajo carpa plástica.
Fernández, J. A.   +6 more
core  

Heterogeneity and vulnerability of livestock in forest plantations of Uruguay [PDF]

open access: yes, 2012
In this paper we study the situation of livestock farmers related to the afforestation of the northwest region of Uruguay and suggest that their vulnerability has characteristics that vary according to characteristics of the modified ecosystem in which ...
Carriquiry, R.   +3 more
core  

La capacidad de dirección y la formación de los ingenieros agrónomos

open access: yesAgronomía Colombiana, 1992
This paper analyzes the scenery for the academic reform in the Schooll of Agriculture of the Universidad Nacional de Colombia.<br />It emphasizes the need for developing leadership as a main trait for the students. It is stressed the importance of,
Cuellar Galvez David
doaj  

Why they do what that they do? A study of purposes and strategic rules of Uruguayan's extensive beef farmers [PDF]

open access: yes, 2012
Farmers must make decisions that are taken by different criteria, which are in all cases personal and circumstantial. From a technical point of view, at the moment to propose any change in the farm structure, or any application of some particular ...
Dieguez, Francisco   +1 more
core  

Accuracy determination for DEMs generated from digitized points from existing mapping : relationship with the algorithm used [PDF]

open access: yes, 2011
La información básica sobre el relieve de cuencas hidrográficas, mediante metodologías analítico-descriptivas permite contar con los parámetros físicos necesarios para el estudio de los recursos naturales tales como manejo integrado de cuencas, impacto ...
Botta, Guido Fernando   +12 more
core  

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