Now showing items 1-5 of 5
Physiologic and productive responses of Holstein dairy cows with access to the constant or limited shade
(Revista Brasileira de Zootecnia = Brazilian Journal of Animal Science, 1998-05-01) [Artigo]
The work: was carried out to evaluate the physiologic and productive responses of 16 Holstein breed cows, in different lactating stages and production levels, maintained in two free stall corral types, with or without ...
Energy balance for biodiesel production by the castor bean crop (Ricinus communis L.)
(Revista Ciência Agronômica, 2010-10-01) [Artigo]
The castor bean crop (Ricinus communis L.) has acquired prestige due to industries interest in the oil quality and recently for new sources of energy demand. The experiment that served as basis for the data used in this ...
Capacidad de uso de la tierra en la cuenca de la Corriente del Lobo, Itatinga, São Paulo, Brasil
(Acta Agronomica, 2011) [Artigo]
The objective of the research was to define the classes of use capacity of 2403.25 ha in the basin of the Corriente del Lobo - Itatinga (SP), (22°03'56" to 22°59'12" of latitude S and 48°38'47" to 48°41'25" of longitude W ...
Variaciones del índice de cono en suelo movilizado posterior al tráfico de un tractor equipado con dos tipos de neumáticos y a cuatro velocidades de desplazamiento
(Cadernos do Laboratorio Xeoloxico de Laxe, 2007-12-01) [Artigo]
The tractor is one of the machines that more traffics over the soil during the processes involving agricultural production. The interaction tractor/soil is made by the tires which, in most of the cases, are pneumatic. The ...
Efecto del manejo silvícola sobre la densidad básica de la madera en sistemas forestales de rotación corta
(Maderas: Ciencia y Tecnologia, 2017-01-01) [Artigo]
The short rotation forest systems are managed under conditions that differ from conventional management with greater density planting and fertilizer levels, also shorter harvesting cycles. Even today, there are few studies ...