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International Center for Tropical Agriculture[Curso de pastos: manual curso de investigación en producción y utilización de forrajes en suelos ácidos e infértiles del trópico]Curso de pastos: manual curso de investigación en producción y utilización de forrajes en suelos ácidos e infértiles del trópico

Using a simulation model as an analysis tool, the economic impact of spittlebugs in pastures of Colombia was quantified in terms of animal production. Three levels of abundance (10, 25, 50 adults/m2 ) and farm area affected (25, 50, 100%) were evaluated using data obtained in Brazil for Notozulia...


Holmann, Federico J.Peck, DC[Economic damage caused by spittlebugs (Homoptera: Cercopidae) in Colombia: A first approximation of impact on animal production in Brachiaria decumbens pastures]Economic damage caused by spittlebugs (Homoptera: Cercopidae) in Colombia: A first approximation of impact on animal production in Brachiaria decumbens pastures

Results of preliminary experimentation with a computer based simulation model of beef production in theEastern Savannas of Colombia are reported The energetic consequences of various uses of sown pasturesare examined with reference to their long term biological feasibility The quality of grass le...


Thornton, Philip K.[Computer experimentation with an energy-based simulation model of animal production in the eastern savannas of Colombia]Computer experimentation with an energy-based simulation model of animal production in the eastern savannas of Colombia

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