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This study measures the efficiency of intercropping systems of annual and perennial crops production in southern Ethiopia using the stochastic frontier production function (SFP), parametric distance functions (PDF), and data envelopment analysis (DEA), and compares the empirical performances of t...


Alene, A.Manyong, Victor M.Gockowski, J.[The production efficiency of intercropping systems annual and perennial crops in southern Ethiopia: a comparison of distance functions and production frontiers]The production efficiency of intercropping systems annual and perennial crops in southern Ethiopia: a comparison of distance functions and production frontiers

Bean yield at 2 sites in Costa Rica (Turrialba and Parruas) was affected by the interactions of maize and bush bean cv. with cropping system (relay, row intercropping, and sole cropping). Maize cv. were grouped according to LAI and plant height. In Turrialba, a site with a severe weed problem, le...


Woolley, Jonathan N.Rodríguez, W.[Cultivar x cropping system interactions in relay and row intercropping of bush beans with different maize plant types]Cultivar x cropping system interactions in relay and row intercropping of bush beans with different maize plant types

Tropical agroecosystems constitute diversified systems with crops arranged in polycultural patterns. Weeds are important components of these systems and condition insect diversity and stability. In an attempt to gather experimental evidence as a basis for tropical pest management strategies, 9 fi...


Altieri, Miguel A.Doll, J.Schoonhoven, Aart van[Interacciones entre insectos y malezas en mono y policultivos de maiz y frijol]Interacciones entre insectos y malezas en mono y policultivos de maiz y frijol

Hayami, Yujiro[ Ecology, History, and Development : A Perspective from Rural Southeast Asia ]

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