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Hort Innovation To Explore High-Tech Solutions

In a release, Hort Innovation said the use of technology, such as vertical farm systems and hydroponics, in food production and delivery systems have the potential to redefine horticulture by optimising yield, quality, and supply

Screen Shot 2020-12-18 at 1.34.38 AM.png

BY CHRIS KOMOREK @ckfruitnet

17th December 2020, Melbourne

Six-month project to assess potential of emerging production technology and its uses in Australian urban landscape

A modular farm in Brisbane using high-tech horticulture.

Hort Innovation has announced it has teamed up with a consortium led by agricultural consultancy RMCG in partnership with University of Technology Sydney (UTS) and global urban agriculture consultancy Agritecture, to assess the potential of emerging production technology and its application in the Australian urban landscape as part of a six-month project.

In a release, Hort Innovation said the use of technology, such as vertical farm systems and hydroponics, in food production and delivery systems have the potential to redefine horticulture by optimising yield, quality, and supply.

“High-technology horticulture is being implemented in urban areas across the globe using vertical farm systems, hydroponics and aquaponic systems and nearly fully automated production as well as rooftop, underground and floating farms,” it said in a statement.

Hort Innovation chief executive Matt Brand said bringing the technology to Australia would help attract capital as well as new investment to the sector with new ideas, approaches and mindsets.

“It gives us the opportunity to grow more from less and to keep demonstrating the good work that Australian growers do, day in day out, providing food to families both here and overseas,” explained Brand.

“Urban also means regional areas and hubs. Growers will use the technology as part of the overall production mix. It’s another production system that will be part of the diversity and variety that is Aussie horticulture.

“High technology horticulture may have the potential to play a significant role in increasing Australia’s horticulture sector value and help achieve Australia’s target of a A$30bn industry by 2030,” he added.

The feasibility study aims to identify opportunities and challenges for high technology horticulture in urban Australia. It will identify a range of high technology systems and assess their suitability to urban Australia by considering four key areas.

This includes how the technology fits within current regulations and planning requirements, farm input and waste, supply chain logistics and social, environmental and economic requirements. 

Hort Innovation said the project will include a high-level literature review, modelling of the social, economic and environmental impacts and detailed analysis of how the economics of high technology urban systems compare to traditional farming systems.

The outcomes of the study will identify future priorities for research, development and extension activities and investment into Australian high technology horticulture in urban areas.

The study is being guided by an industry-led reference group including growers and emerging commercial leaders engaged in urban high technology horticulture in Brisbane and Sydney, members of local city councils, and subject-matter experts in protected cropping.

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Farming In The Desert: Are Vertical Farms The Solution To Saving Water?

When I told people I was going to grow tomatoes in the desert, they thought I was crazy," Sky Kurtz, founder of Pure Harvest Smart Farms, told DW

Deutsche Welle

Jul. 23, 2020

By Isabelle Gerretsen"

When I told people I was going to grow tomatoes in the desert, they thought I was crazy," Sky Kurtz, founder of Pure Harvest Smart Farms, told DW.

With just an average 12 days of rain a year, less than 1% arable land, a desert location, and an 80% import rate for food, the United Arab Emirates (UAE) seems an unfavorable place to set up a farm.

Kurtz is one of several entrepreneurs using high-tech farming techniques to boost crop production in the Emirates. Pure Harvest built the first climate-controlled greenhouse in Abu Dhabi in 2017.

Prompted by arid conditions and a desire for greater food security, the country is investing millions in technologies — such as vertical farming — that could make it an unlikely agricultural pioneer.

Vertical farms can grow a rich variety of different crops by stacking them in layers under LED lighting in climate-controlled greenhouses and watering them with mist or drip systems. The process is tailored to each crop's specific needs, resulting in high-yield, year-round harvests."

It takes 30 to 40 days to grow leafy greens out in the field. We can grow that same crop in 10 to 12 days," says Marc Oshima, co-founder of Aerofarms. The company received funding from the Abu Dhabi Investment Office to build the capital's largest indoor vertical farm, with 800 different crops, by 2021.

Water Scarcity and Fossil-Fuel Reliance

The technology uses minimal land and up to 95% less water than conventional agriculture.

The hydroponics system places the plants' roots directly into a water-based and nutrient-rich solution instead of soil. This "closed-loop" system captures and recirculates all the water, rather than allowing it to drain away — useful for a country like the UAE suffering from extremely high water stress.

Globally, agriculture accounts for 70% of freshwater withdrawals, and UAE is extracting groundwater faster than it can be replenished, according to the International Center for Biosaline Agriculture (ICBA)."

Water is very expensive over in the UAE, but energy is cheap as it is subsidized," says Jan Westra, a strategic business developer at Priva, a company providing technology to vertical farms.

The artificially controlled environment is energy-intensive because the air conditioning and LED lights need a constant source of electricity.

This bringing forth of life in the desert could come at a high environmental cost. Most of that energy comes from carbon-emitting fossil fuels, even as the Middle Eastern country feel the effects of climate change.

By 2050 Abu Dhabi's average temperature is predicted to increase by around 2.5°C (36.5 F) in a business-as-usual scenario. Over the next 70 years, patterns of rainfall are also expected to change.

Integrating Renewable Energy 

Although Pure Harvest is building a solar-powered farm in neighboring Saudi Arabia, its UAE operations get electricity from the carbon-intensive national grid.

Investing more in renewables "is a goal of ours," Kurtz told DW. He said the company has not set a clean energy target but is working on various green power projects, including a plan to integrate solar power generated in UAE into its operations.

However, Willem van der Schans, a researcher specializing in short supply chains at Wageningen University in the Netherlands, says sustainability and clean energy should be "inherent in the technology and included in plans when starting a vertical farm."

He argues that many vertical farming companies are not sustainable in terms of energy as they still view clean power as an optional "add-on."

Ismahane Elouafi, director-general of the government-funded ICBA in Abu Dhabi, acknowledges that vertical farming has some way to go before achieving "real sustainability," but she believes the innovations are "promising."

Improved battery storage, increasingly efficient LED lights, and cheaper solar panels will help, she adds.

Local Solutions

 By 2050, the UAE government wants to generate almost half its energy from renewable sources.

Fred Ruijgt, a vertical farming specialist at Priva, argues that it's important to factor transport and refrigeration into the energy equation. Vertical farming uses more energy to grow crops than traditional agriculture, but because crops are grown locally, they do not have to be transported by air, sea, or truck over long distances."

The energy-saving is difficult to calculate exactly, but the advantages of locally grown crops are huge," he says, adding that those grown in vertical farms not only use less water and pesticides but that they also have a longer shelf life due to minimal transportation time.

Food Security and Coronavirus

 In 2018, the UAE set out its vision to become a hub for high-tech local food production.

Companies and investors have flocked to the region, attracted by the 0% corporate tax rate, low labor costs, and cheap energy. With their help, the UAE aims to reduce its reliance on imports and make its food system more resilient to shocks like climate change and pandemics.

Oshima from Aerofarms says the coronavirus pandemic has brought "greater appreciation of how fragile the supply chain is and raised questions about food safety and security."

When the UAE went into lockdown in April, imported supplies of perishable goods like vegetables fell and business boomed for local suppliers.

ICBA's Elouafi said they have helped keep the UAE well-stocked during the pandemic."With the help of local food production and adequate imports, there has been absolutely no shortage of food in the UAE," Elouafi told DW.

Climate change, however, poses an altogether more complex threat to the country in the long-term. Given climate change's likely impact on food production, she says vertical farming has shown it is "an economically viable proposition even with harsh climatic conditions."

Reposted with permission from Deutsche Welle.

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TAGS: farming farmers water food food security agriculture renewable energy

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