The problem of the use and disposal horticultural substrates is an important element optimization plastic greenhouse production in terms economic environmental efficiency. mineral associated with a high energy expenditure, which generates costs gas (GHG) emissions. An factor also transport professional over long distances. research objective was to evaluate possibility using sheep wool create h...

Hydroponics has great potential to improve the sustainability of food supplies in various regions presently and future. However, studies on proposed hydroponic technology specifically for remote areas are still very limited, with majority focusing urban areas. Limited resources, such as electricity supply, main obstacles implementing hydroponics Therefore, this study proposes a breakthrough bas...

Abstract Aims Cardiac implantable electronic devices (CIEDs) may sustain damages during a course of radiation therapy, especially when the beam is directed onto pulse generator, with device electrical reset and/or sudden battery drain. 2010 HRS/ASA expert consensus, and all CIEDs manufacturers, recommend to avoid direct irradiation an accumulated dose that exceed 5 grays (Gy). In our prospectiv...

A composite model was developed for water and mineral relations of greenhouse tomato (Solanum lycopersicum L.) cultivated in semi-closed or open soilless (rockwool) culture. The model simulated on a daily basis: (i) the evolution of crop leaf area index and water uptake using empirical equations; and (ii) the variations of ion concentrations and electrical conductivity (EC) in the recirculating...

Salicornia bigelovii is a halophyte that is capable of growing under high salinity. To evaluate the potential of producing S. bigelovii hydroponically as a vegetable at moderate NaCl concentrations, plants were grown in nutrient solutions with 6, 8, and 10 mM NaCl, and with 200 mM NaCl as a control. Results showed that plants had a reduced main stem length, canopy width, stem diameter, and root...

Four cultivars (Blitz, Mariachi, Quest and Rapsodie) of tomato were grown hydroponically on rockwool in two microclimates (east and west) inside the greenhouse (Tucson, AZ) under two nutrient solution electrical conductivity (EC) levels (2.6 or 4.5 dS m -1 ), adjusted by adding NaCl and CaCl2 after the setting of first fruit truss. In all cultivars, total soluble solid (TSS, %Brix at 20 o C) an...

In many cropping systems most of the light irradiates the adaxial side of leaves. However, in cropping systems with intra canopy lighting a reasonable fraction of light may irradiate even the abaxial side of the leaves. The aim of this study was to investigate the effect of irradiating the abaxial leaf side compared to irradiating the adaxial side, in rose plants grown in glasshouse with the be...

Aquaponics – the co-production of fish and plant products – is gaining interest both by entrepreneurs and researchers. This article evaluates both the technical setup as well as the economic potential of aquaponic systems and is aimed at identifying relevant knowledge questions for further improvements. Using system requirements for hydroponic systems and aquaculture, the aquaponic system was c...