Fecha/hora: 16/06/2024 10:47:06

Biblioteca(s): 	INIA Treinta y Tres.	
Fecha corriente: 	21/02/2014	
Fecha de la última actualización: 	03/10/2019	
Autoria: 	ROEL, A.; FIRPO, H.; PLANT, R.E.	
Afiliación: 	ROEL DELLAZOPPA, ÁLVARO, Instituto Nacional de Investigación Agropecuaria (INIA), Uruguay.	
Título: 	Why do some farmers get higher yields? Multivariate analysis of a group of Uruguayan rice farmers.	
Año de publicación: 	2007	
Fuente/Imprenta: 	Computers and Electronics in Agriculture, 2007, v. 58, no. 1, p. 78-92.	
ISSN: 	0168-1699	
DOI: 	10.1016/j.compag.2006.10.001	
Idioma: 	Inglés	
Contenido: 	Abtract:
The technologies of precision agriculture were developed for application to site-specific crop management. Some of them require a high capital outlay, but two key component technologies, spatial analysis and global positioning systems, may both be obtained at relatively low cost. These technologies may be used profitably to improve crop management practices without the expenditures necessary for a full site-specific management program. In this paper we use exploratory spatial data analysis to study georeferenced rice production data collected on the farms of a group of Uruguayan rice growers. The objective was to identify the management practices that most distinguish farmers producing high yields from those producing low yields. A key challenge was to distinguish those differences in farmers? management practices that were due to their different approaches to farming from those that were due to their responses to differences in the land quality of their individual fields. Using a combination of classification and regression trees and graphical analysis, the most distinguishing factors were identified to be early planting, adequate fertilization, and effective irrigation.	
Thesagro: 	ARROZ; MANEJO; RENDIMIENTO; URUGUAY.	
Categoría del tema: 	F06 Riego	
Registro original: 	INIA Treinta y Tres (TT)	
Ejemplares: 	TT - (32835-1) - PXI - AP - DD - PP/Roel/Arb/2007/1 -  -  - DIS