Results 21 to 30 of about 117,159 (169)

Producción de forraje y semilla de tres especies de Bromus

open access: yesSemiárida, 2020
Los objetivos de este trabajo fueron evaluar producción forrajera, contenido de proteína, y producción de semilla de líneas experimentales de cebadillas pampeana, criolla e intermedia.
G. F. Covas, M. de los A. Ruiz
doaj  

AGRICULTURE IN A SOCIALIST CITY: Towards an Alter‐Urban Political Ecology

open access: yesInternational Journal of Urban and Regional Research, EarlyView.
Abstract Urban political ecology has developed as a critique of capitalist urbanization. This article develops the concept of alter‐urban political ecology to define urban environments emerging not from capitalist urbanization but from efforts to transform it. Drawing on archival research and ethnographic fieldwork in five urban farms in socialist Cuba,
Gustav Cederlöf
wiley   +1 more source

Inbreeding and Gene Action in Butternut Squash (Cucurbita moschata) Seed Starch Content / Endocría y Acción Génica para el Contenido Almidón en Semilla de Zapallo (Cucurbita moschata)

open access: yesRevista Facultad Nacional de Agronomía Medellín, 2014
. The effect of inbreeding and gene action on butternutsquash (Cucurbita moschata Duch.) seed production and seedstarch content was evaluated at two locations in the departmentof Valle del Cauca, Colombia, using six accessions (S0) and their inbred lines
Sanin Ortiz Grisales   +5 more
doaj   +1 more source

Fortaleciendo los sistemas tradicionales de producción de semilla en los Andes en Perú. [PDF]

open access: yes, 2015
Los cultivos alimenticios en el Perú han estado históricamente asociados a la pequeña agricultura andina, caracterizada por predios muy pequeños (
Crisante, F.   +7 more
core  

“The Future Is Ancestral”: The Environmental Cuir Utopias of Gabriela Cabezón Cámara

open access: yesFuture Humanities, Volume 4, Issue 1, May 2026.
ABSTRACT Argentinian author Gabriela Cabezón Cámara identifies as a “socio‐environmentalist and writer” and has been actively involved in the feminist movement #NiUnaMenos since 2015, alongside her growing engagement with environmental activism. She advocates for Indigenous land rights, water accessibility, and challenges offshore petroleum extraction ...
Victoria Jara
wiley   +1 more source

Rentabilidad del cultivo del maiz semilla : un estudio de caso. [PDF]

open access: yes, 2006
68 p.En el marco de una agricultura nacional que enfrenta una situación delicada en cuanto a la restringida rentabilidad de los cultivos, la producción de semillas se presenta como una alternativa interesante para incorporar a los productores en un ...
Auladell Aravena, Rodrigo Alejandro   +2 more
core  

Hurdles to overcome to achieve biostimulant‐driven, low chemical input crop production

open access: yesPLANTS, PEOPLE, PLANET, Volume 8, Issue 3, Page 783-791, May 2026.
Crop production requires considerable chemical inputs that result in significant greenhouse gas emissions and other environmental costs. Biostimulants are natural agents, such as microorganisms or seaweed, applied to plants and soil to stimulate plant growth and reduce chemical inputs. Biostimulant use is rapidly increasing globally, but hurdles remain,
Wolfram Buss   +6 more
wiley   +1 more source

Assessing contributions of deterministic versus stochastic processes to local species assembly: A field experiment with annual plant‐dominated communities in gypsum systems

open access: yesJournal of Ecology, Volume 114, Issue 3, March 2026.
In this study, we experimentally show that stochasticity can play prominent roles in driving local species assembly in annual plant‐dominated communities of semiarid gypsum ecosystems. Drylands are traditionally viewed as restrictive environments that impose strong deterministic filtering effects, but neutral events can also contribute decisively to ...
Laura Ortiz   +3 more
wiley   +1 more source

Estudio de la eficiencia productiva del maíz (Zea mays L.) amiláceo y duro en el Ecuador

open access: yesACI Avances en Ciencias e Ingenierías
En el Ecuador, la producción de maíz se localiza principalmente en las regiones tropical y Andina, con variaciones en la textura, en el color del grano, en sus niveles de producción y de productividad.
Gabriela Alban   +3 more
doaj   +1 more source

Producción de semilla y potencial biológico de tres especies de Pinus en Durango

open access: yesRevista Mexicana de Ciencias Forestales, 2018
Este estudio comparativo da a conocer el potencial biológico y la producción de semillas de árboles superiores. Permite comparar el comportamiento de tres taxa de Pinus en los años 2013 y 2015.
Oscar Omar Santos Sánchez   +2 more
doaj   +1 more source

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