16 articles in this issue
José Ambrósio Ferreira Neto, Edgard Carneiro dos Santos Junior, Urbano Fra Paleo, Mayron César de Oliveira Moreira
The objective of this manuscript is to develop a new procedure to achieve optimal land subdivision using genetic algorithms (GA). The genetic algorithm was tested in the rural settlement of Veredas, located in Minas Gerais, Brazil. This implementation was... see more
Marcos Mora, Jacqueline Espinoza, Berta Schnettler, Gemma Echeverría, Stefano Predieri, Rodrigo Infante
The quality requirements that consumers consider in their decision to purchase fresh fruit have garnered a great deal of attention from the actors in the fresh fruit productivity chain. This study seeks to identify attributes that could explain how a cons... see more
Carlos M. Ferri
Kleingrass (Panicum coloratum L. var. coloratum) is a perennial warm-season grass that begins its growing season later in the spring than does weeping lovegrass (Eragrostis curvula (Schrad.) Nees), which suggests that combining weeping lovegrass with klei... see more
Rodrigo Infante, Pía Rubio, Loreto Contador, Massimo Noferini, Guillermo Costa
The objective determination of the optimal harvest date for plums intended either for industrial processing or for consumption as fresh fruit is a fundamental concern of the fruit industry. A portable visible/near infrared (Vis/NIR) spectroscopic device w... see more
María Elena Díaz de Villegas, Grizel Delgado, Mauricio Rivas, Esmérida Torres, Maribel Saura
Seed bioassays are employed to determine the stimulatory effect of various biological products on the seed germination of plants used for the detection and control of toxic environmental contaminants. The objective of the present study was to design an in... see more
Mayte Piñón
Off-season vegetables become expensive so new technological systems are required to grow cultivars well adapted to climatic conditions throughout the year. Accordingly, a trial was performed to test 12 tomato F1 commercial hybrids in a Cuban sheltered ins... see more
Mónica Castro, Claudia Fassio, Nicole Darrouy, Marcela Aedo, Lorena Jorquera
In Chile, most avocado orchards have been planted using ‘Hass’ as the scion variety on seedling rootstocks. This has led to the presence of a large variety of individuals, some of which show, among other characteristics, high productivity and a low degree... see more
María Dolores Raffo, Rodolfo Rodríguez, Lucía Mañueco
Proper sunlight distribution in the tree canopy during the fruit-bud initiation period could increase the number of fruits and the quality of fruit development in the following year. Through winter pruning, it is possible to remove all side structures dev... see more
Isabel Bertolaccini, Etelvina Núñez-Pérez, Emilio Jorge Tizado
The study was done during the spring, summer and fall of 1998 and 1999. Samples were taken at random from legume crops and spontaneous plants adjacent to them in the province of León (Spain). Observations were made on the following crops: Medicago sativa,... see more
Claudio Alister, Manuel Araya, Marcelo Kogan
Once pesticides reach the soil, there are several factors that affect their soil behavior. To identify the principal soil and herbicide properties that control their adsorption and leaching, a study of five Chilean agricultural and forest soils was perfor... see more
Jesús Ricardo Sánchez-Pale, José Francisco Ramírez-Dávila, Andrés González-Huerta, Carlos de León
Knowledge about the spatial distribution of agricultural diseases is important for the elaboration of integrated pest management programs. Such knowledge allows the exact and adept development of sampling methods, control methods and risk valuation. Despi... see more
Guillermo Heit, Valeria Messina, Graciela Mareggiani, Rosa Cohen, Paola Carrizo
The effect of odor signals on the locomotor activity of Cycloneda sanguinea and Harmonia axyridis was evaluated using two different actometric devices. The purpose of the analysis was to differentiate between the responses elicited by direct contact with ... see more
Horacio E. Bown, Michael S. Watt, Peter W. Clinton, Euan G. Mason
Patterns of carbon flux and partitioning were examined in highly stocked (40,000 stems ha-1) control and fertilized mini-plots of Pinus radiata D. Don at five sites, which covered a wide climatic and edaphic gradient on the South Island of New Zealand. Th... see more
Seyed Mohammad Ahmadi, Barat Ali Siahsar
In this study, a range of physicochemical properties (dimensions, kernel volume, mass unit, bulk and true densities, porosity, terminal velocity, static friction coefficient against different surfaces, oil content and fatty acids composition) of the Bojno... see more
Manuel E. Cortés, Pilar Vigil, Gloria Montenegro
Honey, a natural substance produced by honeybees, is composed of a complex mixture of carbohydrates, water, and a small amount of proteins, vitamins, minerals, and phenolic compounds. Fructose, glucose and maltose are among the various types of sugars pre... see more
Einar Vargas-Bello-Pérez, Claudio Aguilar, Paula Toro-Mujica, Raúl Vera, Matías Cerda, Ignacio Briones
A high demand for Chilean cheese has resulted in increased cheese production. This increase represents an opportunity to promote the development of new markets, such as for small ruminant cheeses. However, little has been discussed regarding the extent to... see more