6 articles in this issue
L. Gurovich, J. Viego
Fertigation is a technique used to apply fertilizers by means of irrigation water, which is commonly used in pressurized irrigation systems. In surface irrigation systems this technique is almost never used, due to the lack of hydraulic devises enabling a... see more
M. Bueno, C. Severin, S. Gattuso, G. Giubileo
The use of calluses for the improvement of plants is an alternative procedure forthe in vitro selection of characters such as disease resistance, tolerance to draught and salinity or otherextreme conditions. The objective of this research is to develop a ... see more
R. González, J. Montealegre, R. Herrera
This paper researches the degree ofcontrol of Fusarium solani utilizing bioantagonists Paenibacillus lentimorbus 629 and Trichodermaharzianum (isolates Thv and Th291) applied alone or combinated with solarization or methyl bromide75.5 g.m-2 in a soil natu... see more
T. Zaviezo, A. A. Grez, D. Donoso
Thereis a great diversity of insects associated to alfalfa. They could vary in their composition and abundancedepending on crop phenology and cutting regime. In this study we describe the temporal dynamics ofthe community of beetles associated with a two ... see more
L. Morales, W. Foster
To reducewheat producer price volatility a price band system was introduced in 1984, later extended to wheatflour market in 1993. This mechanism has affected the behaviour of both producers and millers. Thisstudy presents a time series seasonal econometri... see more
J. Dresdner
The industrialorganization of the cattle industry in Chile has been changing rapidly during the nineties. The agentsthat have been leading the changes are the slaughter industry in the beef sector and the milk processingplants in the dairy sector. These c... see more