Phosphorus availability and solar radiation efficiency in carrot (Daucus carota L.) cultivation in volcanic soils.

Palabras clave: P-olsen, photosynthesis, fertilization, vegetables, napiform

Resumen

The adoption of more efficient management practices, such as
recognizing the adequate level of P availability (Olsen) in the soil, can
result in improved production efficiency in the carrot (Daucus carota L.)
cropping system. Complementarily, knowing the behavior of radiation
use efficiency (EUR) is relevant in the optimization of resources (Pfertilizer and radiation), due to the continuous concern for
environmental impact and for the reduction of production costs. The
objective of this work was to evaluate the EUR performance of two
commercial carrot cultivars, across five levels of P-Olsen availability,
under field conditions (13, 16, 19, 24, 28 ppm). The experiment was
established at the Santa Rosa Experimental Station (39º47'S; 73º14'W),
belonging to the Universidad Austral de Chile (UACh) located in the city
of Valdivia in the Los Ríos Region, during the 2010-2011 growing season.
EUR (g DM MJ-1) was calculated using photosynthetically active radiation
(RIFA) and biomass (aerial and total). In this study, EUR of D. carota
cultivars was not influenced by soil P-Olsen availability (p>0.05), but
differences (p<0.01) were found in photosynthetically active radiation
intercepted (RIFA) and specific leaf area.

Publicado
2021-06-29
Cómo citar
Véliz Zamora, D., Pinochet Tejos, D., Mestanza Uquillas, C., Vera Chang, J., Vásquez Matute, S., & Pinargote Alava, J. (2021). Phosphorus availability and solar radiation efficiency in carrot (Daucus carota L.) cultivation in volcanic soils. Revista Científica Interdisciplinaria Investigación Y Saberes, 11(2), 44-65. Recuperado a partir de http://revistasdigitales.utelvt.edu.ec/revista/index.php/investigacion_y_saberes/article/view/112
Sección
Artículo Científico