Could this be the future of farming? Inside Europe’s biggest vertical farm
Outside it is the bleak midwinter. We are smack bang in the middle of some of the country’s best agricultural land.
But inside the cavernous warehouse where we’ve come, you wouldn’t have a clue about any of that: there is no daylight; it feels like it could be any time of the day, any season of the year.
We are at Fischer Farms – Europe’s biggest vertical farm.
The whole point of a vertical farm is to create an environment where you can grow plants, stacked on top of each other (hence: vertical) in high density. The idea being that you can grow your salads or peas somewhere close to the cities where they’re consumed rather than hundreds of miles away. Location is not supposed to matter.
Farm 2 of Fischer Farms
So the fact that this particular one is to be found amid the fields a few miles outside Norwich is somewhat irrelevant. It could be anywhere. Indeed, unlike most farms, which are sometimes named after the family that owns them or a local landmark, this one is simply called “Farm 2”. “Farm 1” is to be found in Staffordshire, in case you were wondering.
Farm boss’s dizzying ambition
These futuristic farm units are the brainwave of Tristan Fischer, a serial entrepreneur who has spent much of his career working on renewable energy in its various guises. His ambition now is dizzying: to be able to grow not just basil and chives in a farm like this but to grow other, trickier and more competitive crops too – from strawberries to wheat and rice.
Only then, he says, can vertical farming stand a chance of truly changing the world.
The idea behind vertical farming itself is more than a century old. Back in 1915, American geologist Gilbert Ellis Bailey described how it could be done in theory. In theory, one should be able to grow plants hydroponically – in other words with a mineral substrate instead of soil – in a controlled environment and thereby increase the yield dramatically.
In one sense this is what’s already being done in greenhouses across much of Northern Europe and the US, where tomatoes and other warm-weather-loving vegetables are grown in temperature-controlled environments. However, while most of these greenhouses still depend on natural light (if sometimes bolstered by electric bulbs) the point behind vertical farming was that by controlling the amount of light, one could grow more or less everything, any time of the year. And by stacking the crops together one could yield even more crops in each acre of land one was using.
The tunnels are 12 levels high and bathed in bright LED lights
Look at a long-term chart of agricultural yields in this country and you start to see why this might matter. The quantity of crops we grow in each acre of land jumped dramatically in the second half of the 20th century – a consequence in part of liberal use of artificial fertiliser and in part of new technologies and systems. But that productivity rate started to tail off towards the end of the century.
‘Changing the equation’
Vertical farming promises, if it can make the numbers add up, to change the equation, dramatically increasing agricultural productivity in the coming decades. The question is whether the technology is there yet.
And when it comes to the technology, one thing has certainly changed. Those early vertical farms (the first attempts actually date back to the 1950s) all had a big problem: the bulbs. Incandescent bulbs were both too hot and too energy intensive to work in these environments. But the latest generation of LED bulbs are both cool and cheap, and it’s these bulbs you need (in vast numbers) if you’re going to make vertical farming work.
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The farm is growing basil but the ambition is to grow much more than simple herbs
Here at Farm 2, you encounter row after row of trays, each stacked on top of each other, each carrying increasingly leafy basil plants. They sit under thousands of little LED bulbs which are tuned to precisely the right spectral frequency to encourage the plant to grow rapidly.
Mr Fischer says: “We’re on this downward cost curve on LEDs. And then when you think about other main inputs, energy – renewable energy – is constantly coming down as well.
“So you think about all the big drivers of vertical farming, they’re going down, whereas compared to full-grown crops, everything’s going up – the fertilisers, rents, water is becoming more expensive too.”
Just over a month after the basil was seeded, it is now fully grown and trays of the crop are moved to the harvesting machine
This farm – which currently sells to restaurant chains rather than direct to consumers – is now cost-competitive with the basil shipped (or more often flown) in from the Mediterranean and North Africa. The carbon footprint is considerably lower too.
“And our long-term goal is that we can get a lot cheaper,” says Mr Fischer. “If you look at Farm 1, we spent about £2.5m on lights in 2018. Fast forward to Farm 2; it’s seven and a half times bigger and in those three years the lights were effectively half the price. We’re also probably using 60 to 70 percent less power.”
Farm boss Tristan Fischer speaks to Sky’s Ed Conway
It might seem odd to hear a farmer talk so much about energy and comparatively less about the kinds of things one associates with farmers – the soil or tractors or the weather – but vertical farming is in large part an energy business. If energy prices are low enough, it makes the crops here considerably cheaper.
But here in the UK, with power costs higher than anywhere else in the developed world, the prospects for this business are more challenged than elsewhere. Still, Mr Fischer’s objective is to prove the business case here before building bigger units elsewhere, in countries with much cheaper power.
In much the same way as Dutch growers came to dominate those greenhouses, he thinks the UK has a chance of dominating this new agricultural sector.
The UK economy unexpectedly shrank in May, even after the worst of Donald Trump’s tariffs were paused, official figures showed.
A standard measure of economic growth, gross domestic product (GDP), contracted 0.1% in May, according to the Office for National Statistics (ONS).
Rather than a fall being anticipated, growth of 0.1% was forecast by economists polled by Reuters as big falls in production and construction were seen.
It followed a 0.3% contraction in April, when Mr Trump announced his country-specific tariffs and sparked a global trade war.
A 90-day pause on these import taxes, which has been extended, allowed more normality to resume.
This was borne out by other figures released by the ONS on Friday.
Exports to the United States rose £300m but “remained relatively low” following a “substantial decrease” in April, the data said.
Overall, there was a “large rise in goods imports and a fall in goods exports”.
A ‘disappointing’ but mixed picture
It’s “disappointing” news, Chancellor Rachel Reeves said. She and the government as a whole have repeatedly said growing the economy was their number one priority.
“I am determined to kickstart economic growth and deliver on that promise”, she added.
But the picture was not all bad.
Growth recorded in March was revised upwards, further indicating that companies invested to prepare for tariffs. Rather than GDP of 0.2%, the ONS said on Friday the figure was actually 0.4%.
It showed businesses moved forward activity to be ready for the extra taxes. Businesses were hit with higher employer national insurance contributions in April.
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The expansion in March means the economy still grew when the three months are looked at together.
While an interest rate cut in August had already been expected, investors upped their bets of a 0.25 percentage point fall in the Bank of England’s base interest rate.
Such a cut would bring down the rate to 4% and make borrowing cheaper.
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Is Britain going bankrupt?
Analysts from economic research firm Pantheon Macro said the data was not as bad as it looked.
“The size of the manufacturing drop looks erratic to us and should partly unwind… There are signs that GDP growth can rebound in June”, said Pantheon’s chief UK economist, Rob Wood.
Why did the economy shrink?
The drops in manufacturing came mostly due to slowed car-making, less oil and gas extraction and the pharmaceutical industry.
The fall was not larger because the services industry – the largest part of the economy – expanded, with law firms and computer programmers having a good month.
It made up for a “very weak” month for retailers, the ONS said.
Monthly Gross Domestic Product (GDP) figures are volatile and, on their own, don’t tell us much.
However, the picture emerging a year since the election of the Labour government is not hugely comforting.
This is a government that promised to turbocharge economic growth, the key to improving livelihoods and the public finances. Instead, the economy is mainly flatlining.
Output shrank in May by 0.1%. That followed a 0.3% drop in April.
Ministers were celebrating a few months ago as data showed the economy grew by 0.7% in the first quarter.
Hangover from artificial growth
However, the subsequent data has shown us that much of that growth was artificial, with businesses racing to get orders out of the door to beat the possible introduction of tariffs. Property transactions were also brought forward to beat stamp duty changes.
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In April, we experienced the hangover as orders and industrial output dropped. Services also struggled as demand for legal and conveyancing services dropped after the stamp duty changes.
Many of those distortions have now been smoothed out, but the manufacturing sector still struggled in May.
Signs of recovery
Manufacturing output fell by 1% in May, but more up-to-date data suggests the sector is recovering.
“We expect both cars and pharma output to improve as the UK-US trade deal comes into force and the volatility unwinds,” economists at Pantheon Macroeconomics said.
Meanwhile, the services sector eked out growth of 0.1%.
A 2.7% month-to-month fall in retail sales suppressed growth in the sector, but that should improve with hot weather likely to boost demand at restaurants and pubs.
Struggles ahead
It is unlikely, however, to massively shift the dial for the economy, the kind of shift the Labour government has promised and needs in order to give it some breathing room against its fiscal rules.
The economy remains fragile, and there are risks and traps lurking around the corner.
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Is Britain going bankrupt?
Concerns that the chancellor, Rachel Reeves, is considering tax hikes could weigh on consumer confidence, at a time when businesses are already scaling back hiring because of national insurance tax hikes.
Inflation is also expected to climb in the second half of the year, further weighing on consumers and businesses.
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