Results 151 to 160 of about 158,930 (247)

Economía agraria [PDF]

open access: yes, 2010
La producción agropecuaria en Nicaragua, tanto para consumo interno, como para la exportación se ha estancado en los últimos veinte años. Ello indica que los niveles de productividad se han deteriorado en ese importante sector de la economía nacional.
openaire  

Arbuscular Mycorrhizal Fungal Community Shifts Driven by Heavy Metals in Cocoa Agroecosystems at Different Crop Age. [PDF]

open access: yesMycobiology
Del Aguila-Torres CE   +6 more
europepmc   +1 more source

Impact of three field-practical thawing methods on bovine semen motility, viability, and membrane and acrosome integrity at 0 and 2 hours post-thaw. [PDF]

open access: yesBraz J Vet Med
Pozo-Curo A   +6 more
europepmc   +1 more source

Production and nutritional value of milk from Creole goats fed with different levels of sweet potato vine flour (<i>Ipomoea batata</i>). [PDF]

open access: yesJ Adv Vet Anim Res
Trillo-Zárate F   +5 more
europepmc   +1 more source

Evaluation of the Efficacy of an Aflatoxin Binder in Holstein Dairy Cows in Perú Under Field Conditions. [PDF]

open access: yesToxins (Basel)
Salazar-Rodríguez I   +5 more
europepmc   +1 more source

Reforma agraria

open access: yes, 1968
"Este Artículo pertenece a la sección En punto. "
openaire   +1 more source

Genetic Diversity of the Beta-Casein Gene in Brown Swiss and Creole Cattle From the Peruvian Highlands. [PDF]

open access: yesAnim Genet
Remigio Lorenzo LR   +7 more
europepmc   +1 more source

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