Results 41 to 50 of about 30,041 (222)

The influence of hydrological seasonality and land use and cover on the relationship between dissolved organic carbon and carbon dioxide along a karst‐draining large tropical river

open access: yesLimnology and Oceanography, Volume 70, Issue 10, Page 2858-2871, October 2025.
Abstract The partial pressure of carbon dioxide (pCO2) in rivers is influenced by carbonate weathering, soil CO2, photosynthesis, and the mineralization of dissolved organic carbon (DOC). In tropical regions, elevated temperatures intensify these processes. However, their seasonal dynamics remain poorly understood in large karst‐draining rivers.
Daniel Cuevas‐Lara   +5 more
wiley   +1 more source

Producción de chile dulce en invernadero

open access: yesTecnología en Marcha, 2021
Se establecieron correlaciones de Pearson en chile dulce (Capsicum annuum) cv. FBM-9, cultivado bajo condiciones de invernadero, utilizando dos tipos de poda (española y holandesa), entre la densidad de siembra y las siguientes variables:  número de ...
José Eladio Monge Pérez   +1 more
doaj   +1 more source

Influence of sex‐organ positions on pollen transfer and self‐interference in plants with stylar polymorphisms: An experimental approach using three‐dimensional printed flowers

open access: yesFunctional Ecology, Volume 39, Issue 9, Page 2526-2538, September 2025.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Heterostylous plants are defined by the reciprocal positioning of stigmas and anthers in floral morphs—a trait proposed by Darwin to enhance the efficiency of disassortative (intermorph) pollen transfer.
Victoria Ferrero   +3 more
wiley   +1 more source

Calibration of Hydrus-3D model for drip irrigation on stratified soil for intensive agriculture (sand covered soil)

open access: yesIngeniería del Agua, 2021
The development of the wet bulb under drip irrigation in sand covered soils presents a different behavior from that observed under homogeneous soils.
A.J. Zapata-Sierra   +3 more
doaj   +1 more source

Water‐saving strategies in rice farming entail cascading effects in prey–predator interactions across ecosystem boundaries

open access: yesJournal of Applied Ecology, Volume 62, Issue 9, Page 2273-2282, September 2025.
These results show that introducing multiple drainage periods in rice fields (i.e. AWD) indirectly hampers terrestrial spider reproduction through limiting the emergence of potential preys from the aquatic to terrestrial boundaries. MSD resulted in a more conciliatory strategy as it largely reduces methane emissions and does not affect predator–prey ...
Néstor Pérez‐Méndez   +5 more
wiley   +1 more source

Diseño de un nuevo capitel para invernaderos multitúnel

open access: yesInformes de la Construccion, 2011
Se presenta un trabajo de investigación que ha tratado de diseñar un nuevo capitel para invernaderos multitúnel, compatible con el procedimiento constructivo de invernadero de cubierta elevable.
J. Vázquez   +3 more
doaj   +1 more source

Functional traits and soil water availability shape competitive interactions in a diploid–polyploid complex

open access: yesJournal of Ecology, Volume 113, Issue 9, Page 2332-2345, September 2025.
Our study emphasises that the long‐term fate of polyploids largely depends on water availability, with high polyploids having a competitive advantage in arid environments. This ultimately highlights the role of functional traits in shaping the competitive dynamics between cytotypes.
Alba Rodríguez‐Parra   +3 more
wiley   +1 more source

Tomate... bajo invernadero [PDF]

open access: yes, 2010
Esta publicación contribuye solucionar las dudas de productores, técnicos y estudiantes en relación al manejo del tomate bajo invernadero, principalmente en los temas de ventajas y desventajas de producción bajo invernadero, construcción y elección de un
Jaramillo, Jorge
core  

Automatización de invernadero con PLC

open access: yes, 2023
En este trabajo se busca realizar el diseño completo de un invernadero, asi como el de los sistemas que intervienen en el control del clima de este para un correcto crecimiento de los cultivos. A parte del diseño del invernadero también se diseña todo el
Barona Encinas, Saúl   +1 more
core  

Cultivo protegido de hortalizas en Costa Rica

open access: yesTecnología en Marcha, 2012
La horticultura en Costa Rica se ha desarrollado principalmente a campo abierto y se ha concentrado en el Valle Central donde predominan las actividades de expansión urbanística y comercial.
Carlos Ramírez Vargas, James Nienhuis
doaj   +3 more sources

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