of saffron crop and point of sample temperature under soilless culture. Fertigation management was carried out according to the methodology proposed by Urrestarazu et al. (2015 ). The application of new fertigation was effected when the water in
widely dispersed such as rockwool, perlite, or coconut fiber, which occupy areas of ≈5000 to 5500 ha ( Urrestarazu, 2013 ). Table 1. Variation in some characteristics of pozzolans (volcanic rocks) used in soilless culture systems worldwide. Currently, the
, nutrient concentrations are sometimes higher than necessary for optimum plant growth and yield, and there is limited information about the effects of increased EC nutrient solution management in soilless culture. Hence, this work aims to assess the effects
174 ORAL SESSION 50 (Abstr. 354–361) Vegetables: Culture and Management
., 2015 ; Polat et al., 2004 ; Silber and Raviv, 1996 ). Accordingly, using 0 to 4-mm substrate holds promise for improving growth and flower quality of asiatic hybrid lily grown under soilless culture. Units Literature cited Adams, P. 2002 Nutritional
, D. 2012 Algunos usos de la visión artificial y su aplicación en la horticultura protegida Vida Rural 343 46 48 Fernández-Bregón, N. Valera, D. Urrestarazu, M. 2013 Uniformity of fertigation as diagnosed by infrared thermography under soilless culture
.1. Statistical Graphics Crop Rockville, MD Urrestarazu, M. Martínez, G.A. Salas, M.C. 2005 Almond shell waste: Possible local rockwool substitute in soilless crop culture Sci. Hort. 103 453 460
The financial effectiveness of the soilless culture system (SCS) of gerbera (Gerbera jamesonii Bol. ex Adlam.) production was compared with that of the soil culture system in heated greenhouses in northern Greece. Evaluation was based on budgeting procedures that assumed a project life of 9 years. The decision to accept or to reject the investment was based on the following criteria: 1) net present value analysis (U.S. $18,414), 2) benefit/cost ratio, and 3) risk exposure ratio. The soilless culture system, particularly the plastic bag system using perlite media, was more profitable. Application of sensitivity analysis illustrated the significance of product price and discount rate in determining the accrued benefits.
systems ( Hikosaka et al. 2021 ; Kitayama et al. 2019 ), a comparison of liquid or substrate-based soilless culture has not been reported. To understand the effect of substrate water status on intumescence, Rud (2009) found that tomato plants grown in
al., 2004 ; Romero et al., 2004 ; Van Hooijdonk et al., 2004 ). However, there has been little attention paid to application timing of nutrient solution for sweet pepper in soilless culture. Russo (2011) conducted research on irrigation timing in