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Potential limitations for potato yields in raised soil field systems near Lake Titicaca
Provedor de dados: Scientia Agricola
Autores: Lozada,Diego Sánchez de; Baveye,Philippe; Lucey,Robert F.; Mamani,Ricardo; Fernandez,Walter.
During the last two decades, various non-governmental organizations have strongly encouraged Bolivian farmers in the Altiplano region near Lake Titicaca to resume the ancestral agricultural practice of constructing raised fields. In addition to improved drainage and possibilities this practice affords for sub-irrigation, advocated benefits of this system traditionally include frost mitigation and high crop yields. Until recently, reliable data to assess the extent of these benefits were unfortunately lacking. In this context, field experiments on raised fields were designed and carried out at two locations in the Bolivian Altiplano to obtain reliable potato yield and temperature data. Observed yields ranged from 2.73 to 10.80 t ha-1 at the first site,...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Raised fields; Productivity; Frost mitigation; Crop.
Ano: 2006
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162006000500005