Results 41 to 50 of about 1,352 (107)

Does Eco-Certification Have Environmental Benefits? Organic Coffee in Costa Rica [PDF]

open access: yes
Eco-certification of coffee, timber and other high-value agricultural commodities is increasingly widespread. In principle, it can improve commodity producers’ environmental performance, even in countries where state regulation is weak. However, evidence
Blackman, Allen, Naranjo, Maria A.
core   +3 more sources

Rooting Medium and Fertilization on the Growth of Chayote (Sechium edule J. S.) Planting Material in Nursery

open access: yesInternational Journal of Bio-Resource and Stress Management, 2010
Chayote seedlings in nursery stage were grown in three different rooting media, and three different fertilizers at three different rates were applied to them.
Norma A. Coria   +3 more
doaj  

Perfeccionamiento del sustrato en el modelo V.S.P. para la producción de plántulas de tomate Lycopersicon esculentum Mill

open access: yesActa Agronómica, 1996
<p>To the sustrate (filter press cake of sugar cane and botton fly ash 3:1 v/v) poultry manure and lombricompost from cow dung at levels of 0,6 and 12% v/v were aditioned and soluble sources of Nitrogen (0,150, 300), phosphorus (0,100,200), iron (0,
Gómez Zambrano Jairo   +1 more
doaj  

Rapport de mission au congrès international "Natural products and biocontrol". (Perpignan, 24 au 26 septembre 2014) [PDF]

open access: yes, 2014
Le congrès international Natural Products and Biocontrol tenu à Perpignan du 24 au 26 septembre 2014 a enregistré l'inscription de 251 participants provenant de 17 pays différents, avec une représentation de 50% de sociétés industrielles.
Silvie, Pierre
core  

Lombricompost, use and knowledge for the improvement of soils in the Agroecological farm of the minute de dios university corporation

open access: yes, 2023
The vermicompost is one is a modern technology, which consists of the intensive rearing of earthworms mainly of the species (Eisenia foetida), for the production of humus, this technique allows to recycle the wastes of vegetable or animal origin to obtain organic matter Nutrients for plants being an activity that generates multiple benefits in ...
Sanchez Beltran, Juan Fernando   +11 more
openaire   +1 more source

Rendimientos de sustancias húmicas de ocho lombricompuestos

open access: yesActa Agronómica, 1995
<p>They were probed NaOH<sub>1</sub>KOH, Na<sub>4</sub>P<sub>2</sub>O<sub>7</sub>, NaOH + Na<sub>4</sub>P2O7, and urea in different concentration for extract humic and fulvic acids from ...
Torrente Trujillo Armando   +2 more
doaj  

Semillas en la ciudad. Experiencias en la ciudad de la agricultura urbana y periurbana en Madrid [PDF]

open access: yes, 2014
El resurgir del interés por la agricultura urbana y periurbana está asociado al redescubrimiento de la importancia de la seguridad alimentaria y de la producción local, que ha llevado a la realización de los primeros planes de alimentación local ...
Morán Alonso, Nerea   +1 more
core   +1 more source

Vermicomposta como componente de sustrato en el cultivo de Ageratum houstonianum Mill. y Petunia hybrida E.Vilm. en contenedor [PDF]

open access: yes, 2014
La búsqueda de sustratos alternativos con bajo impacto al medio ambiente se hace indispensable para mantener la producción de cultivos ornamentales de importancia económica.
ACOSTA DURAN, CARLOS MANUEL   +7 more
core  

Caracterización de la gestión y uso del agua en fincas porcícolas en la Cuenca del Río La Vieja (Departamentos de Quindío y Risaralda) [PDF]

open access: yes, 2008
El presente documento, expone la caracterización de la gestión y uso del agua enel subsector porcícola en la cuenca del río La Vieja, realizada a partir de la evaluación de 36 granjas porcinas ubicadas en los departamentos del Quindío y Risaralda (zona ...
Cardona Marín, John Edwin   +1 more
core  

Agro-morphological and biochemical responses of quinoa (Chenopodium quinoa Willd. var: ICBA-Q5) to organic amendments under various salinity conditions. [PDF]

open access: yesFront Plant Sci, 2023
El Mouttaqi A   +15 more
europepmc   +1 more source

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