Results 91 to 100 of about 2,031 (205)

Economic Potential of Using High Tunnel Hoop Houses to Produce Fruits and Vegetables [PDF]

open access: yes
Hoop house plasticulture has been promoted as a production technology that allows fruit and vegetable crops to be grown in the cool season months in early spring and late fall.
Biermacher, Jon T.   +2 more
core   +1 more source

Modellization of the process of natural aging of a polymer material applied for greenhouse covers [PDF]

open access: yes, 2017
[EN] It is presented a procedure to determine the aging of greenhouse cover materials constituted by a polymer material. For this purpose, it is performed a continued monitoring of the photosynthetically active radiation (PAR) and the global radiation ...
Castillo, J.   +4 more
core  

Energy Efficiency in Greenhouse Evaporative Cooling Techniques: Cooling Boxes versus Cellulose Pads [PDF]

open access: yes, 2014
Evaporative cooling systems using a combination of evaporative pads and extractor fans require greenhouses to be hermetic. The greatest concentration of greenhouses in the world is located in southeast Spain, but these tend not to be hermetic structures ...
Franco Salas, Antonio   +2 more
core   +1 more source

Swine Effluent for Tomato in a Plasticulture Production System

open access: yesHortScience, 1998
Tomato was grown in Fall 1997 with swine effluent or commercial soluble fertilizer in a plasticulture production system. Four cultivars, `Mountain Delight', `Celebrity', `Equinox', and `Sunbeam', were transplanted to raised beds with plastic mulch and drip irrigation. Preplant fertilizer was not applied. Effluent from the Wiley L.
Kent Cushman, Thomas Horgan
openaire   +1 more source

Dispersão anemófila de esporangiospóros de Plasmopara viticola em cultivos protegido e convencional de videira Aerial dispersion of Plasmopara viticola spores in covered and conventional cultivation of grapevine

open access: yesRevista Brasileira de Fruticultura, 2009
No presente trabalho, foram avaliadas as taxas de dispersão anemófila de esporangiósporos de Plasmopara viticola nos ciclos de 2005/06 e 2006/07 e sua correlação com o microclima, em vinhedo sob cobertura plástica e em cultivo convencional. Foi utilizado
Geraldo Chavarria   +5 more
doaj   +1 more source

MULCH TYPE EFFECTS IN ANNUAL HILL STRAWBERRY PLASTICULTURE SYSTEMS

open access: yesHortScience, 1993
Fresh dug `Chandler' and `Selva' strawberry plants were fall planted in 1990, 1991, and 1992 on fumigated, trickle irrigated, raised beds covered with either six or eight different plastic mulches plus a bare ground (BG) treatment. Plastic mulch treatments included clear (CLR), black (BLK), laminated white on black (W/B), laminated black on white (B/W),
David G. Himelrick, W.A. Dozier
openaire   +1 more source

Integrated Weed Management in Cucurbit Production Using Spring-seeded Grass Cover Crops

open access: yesHortTechnology
Achieving commercially acceptable weed control in plasticulture vegetable production systems can be challenging because many herbicides do no provide season-long control.
Kurt M. Vollmer   +4 more
doaj   +1 more source

Acteurs privés dans le conseil agricole : le secteur maraîcher en Algérie [PDF]

open access: yes, 2019
Face au désengagement de l'État, les services de conseil agricole ont évolué en accordant une place importante au secteur privé. Cet article revient sur les implications d'une telle évolution pour le secteur maraîcher de Biskra, en Algérie, où ...
Dugué, Patrick, Laouar, Nadhir
core  

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