Data/hora: 10/06/2024 01:18:19

Biblioteca(s): | Embrapa Cerrados.
Data corrente: | 10/10/1997
Data da última atualização: | 08/01/2007
Autoria: | ALBERDA, Th.; KEULEN, H. van; SELIGMAN, N. G.; WIT, C. T. de (ed.).
Título: | Food from dry lands.
Ano de publicação: | 1992
Fonte/Imprenta: | Dordrecht: Kluwer, 1992.
Páginas: | 211p.
Série: | Systems Approaches for Sustainable Agricultural Development, 1).
ISBN: | 0-7923-1877-3
Idioma: | Inglês
Conteúdo: | Structure and dynamics of grazing systems on seasonal pastures. Within-season plant biomass dynamics under grazing. Between-season plant population dynamics and the effects of grazing. Moisture, nutrient avaliability and plant production in the semiarid region. The soil nitrogen balance. Plant production limited by weather, mainly water availability. Plant production limited by weather and nitrogen availability. Grain production in a semi-arid environment. Sheep husbandry for lamb production in a semi-arid mediterranean environment. Ewe nutrition. Lamb production. Flock management. Pasture productivity and systems of utilization. Discription of a pasture system generator (PSG). General outline. Calculation of system inpusts and outputs. Cropping systems. PSG activity table. Input and output values calculated by the PSG. Management of agro-pastoral systems at the farm level. Short-term decisions. The agro-pastoral system model. Results of the agro-pastoral system model. Economic efficiency and technical effeciency. Modelling agricultural development strategy. The multiperiod regional development model. Interactive multiple-goal planning. An example of the application.
Palavras-Chave: | Agrosilvopastoral systems; Grazing systems; Modelagem; Modelling; Sistema agrosilvopastoril; Sustainability; Sustentabilidade; Zona semiarida.
Thesagro: | Agricultura; Alimento; Desenvolvimento Agrícola; Economia Agrícola; Manejo; Pastagem.
Thesaurus Nal: | agricultural economics; agriculture; food production; pastures; semiarid zones.
Categoria do assunto: | --
Registro original: | Embrapa Cerrados (CPAC)
Exemplares: | CPAC - (13908-1) - ADC - LV - -- - 338.1 - A329f - 1997.00138 - DIS