Results 91 to 100 of about 3,999 (185)

Las salinas en el territorio: paisaje y patrimonio [PDF]

open access: yes, 2014
Los paisajes protagonistas de esta invest igación han sido creados gracias a la actividad de las salinas, expl otaciones “donde se beneficia la sal de las aguas del mar o de ciertos manantiales, cuando se ha evaporado el agua.” (RAE).
Román López, María Emilia
core  

Instructivo del Aguaje

open access: yes, 2017
El Serfor Perú del Ministerio de Agricultura y Riego del Perú pone a disposición un instructivo para el manejo del fruto del aguaje, elaborado como parte del proyecto: "Mejora del ingreso y el empleo de las familias productoras de aguaje en Loreto" ejecutado por Serfor Perú y financiado por Fondoempleo que beneficia a 179 productores de cinco ...
openaire   +1 more source

ADSORPTION OF HEAVY METALS USING ACTIVATED CARBONS PREPARED FROM AGUAJE STONES

open access: yes, 2014
Aguaje seed (a typical Amazonian forest fruit) was used as a precursor material for the production of activated carbon using phosphoric acid as activating agent in two different concentrations: 0,75 and 1,0 gH3PO4/gPrecursor. The physicochemical properties were studied by N2 sorption measurements, Boehm titration, scanning electron microscopy and ...
Sun-Kou, María del Rosario   +4 more
openaire   +1 more source

Amapolas [PDF]

open access: yes, 1907
Copia digital. Valladolid : Junta de Castilla y León.
Ferrari, Emilio, 1853-1907   +1 more
core   +1 more source

How reliable are group informant ratings? [PDF]

open access: yes
The reliability of food security rating, a variant of the more familiar wealth ranking procedure, was tested in a rural area of Western Honduras. Twenty workshop sessions were conducted in 13 different communities, with members of organized small farmers'
Banegas, Juan Manuel Medina   +2 more
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Planning Complex Agro-Ecosystems: The Case of Analog Forestry [PDF]

open access: yes, 2016
Traditional agroecosystems, aimed at maximizing the short term productivity, are characterized by oversimplification of ecological structure and dependence on the use of external inputs.
Guariso, G.   +3 more
core   +1 more source

Reconnaissances pédologiques en Amazonie péruvienne : problèmes de pédogenèse et de mise en valeur [PDF]

open access: yes, 1987
Cet article donne les caractéristiques du paysage et des sols présentes dans deux localités de l'Amazonie péruvienne. Compte-tenu de ces données, l'exploitation agricole de la région étudiée reste problématique quels que soient les systèmes ...
Sourdat, Michel
core  

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