Publications – FrontAg Nexus

Exploring dynamic nitrogen (N) fertigation guided by multispectral sensors: a sustainable optimization of N fertilization in processing tomato

Dynamic management of nitrogen (N) guided by multispectral sensors can help match in-season crop N requirements with precise N supply through fertigation. In the present work, different dynamic strategies to optimise N fertigation in processing tomatoes were explored in two plot experiments across two different years and locations, compared with a well-fertilised control (180 kg N ha-1, N180). In dynamic N strategies, the green vegetation index (GVI) was monitored with a hand-held multispectral radiometer.

April 17, 2025

Frontier agriculture systems in the Mediterranean Region: current status and future opportunities

This study explores frontier agriculture technologies in the Mediterranean, highlighting their readiness levels, benefits, and role in promoting sustainable, circular food systems under climate change pressures.

April 7, 2025

Hyperspectral imaging for precision nitrogen management: A comparative exploration of two methodological approaches to estimate optimal nitrogen rate in processing tomato

Hyperspectral imaging is widespread in crop nitrogen (N) monitoring for precision agriculture, although approaches that address the agronomical recommendation of the optimal N rate are still lacking. Here, two approaches are explored in defining the optimal N rate to be supplied in fertigated processing tomatoes through hyperspectral imaging. The first one, called the N uptake approach, focuses on the virtual reproduction of the critical N uptake curve through the estimation of both aboveground biomass and crop N uptake.

February 6, 2025

Environmental assessment of industrial aquaponics in arid zones using an integrated dynamic model

Land desertification, water scarcity, and food security challenges in arid zones are intensifying, driving the need for sustainable agricultural solutions like aquaponics. This study investigated innovative water and energysaving strategies using an integrated dynamic model for an on-demand industrial aquaponics system in Israel.

October 10, 2024

An agri-food value chain analysis with a focus on environmental and economic impacts of hydroponics: A case study on tomato cultivation in Morocco

Anina Kappeler’s Master Thesis titled “An agri-food value chain analysis with a focus on environmental and economic impacts of hydroponics: A case study on tomato cultivation in Morocco” provides an in-depth examination of the agri-food value chain specific to hydroponic tomato farming in Morocco.

July 19, 2024

Promoting circular economy: Comparison of novel coupled aquaponics with anaerobic digestion and conventional aquaponic systems on nutrient dynamics and sustainability

Aquaponics presents promising green technology for food security and climate change. This study investigated the performance and nutrient dynamics in a novel aquaponics with onsite anaerobic treatment compared with conventional decoupled and coupled aquaponics.

May 23, 2024

How polyphosphate fertilizer can alleviate cadmium stress in tomato plants in hydroponic agriculture?

Elucidate how different phosphorus fertilization regimes based on can improve some biophysiological processes in tomato plants exposed to Cd stress.

November 22, 2023

Integrated hydroponics systems with anaerobic supernatant and aquaculture effluent in desert regions: Nutrient recovery and benefit analysis

Hydroponics is a resource-efficient system that increases food production and enhances the overall sustainability of agricultural systems, particularly in arid zones with prevalent water scarcity and limited areas of

November 2, 2023

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