Work and Industry

A Vertical Farm Manager's Skills Carry Different Weight as the Factory Matures

lettuce on multi-tier LED racks. The PFAL leafy-greens floor a manager faces

If you are hiring, the question is “how many years of experience should the person I pick have?” If you are thinking about changing jobs or getting promoted, it is “will the experience I have built up actually count here?” Both questions start from picturing the manager’s job as one fixed set of duties. But in a vertical farm, that set of duties itself keeps turning over on a scale of years.

A manager’s job cannot be measured by a single line in a job listing

Even looking at job listings, this is hard to pin down. Postings for vertical farm managers tend to be vague - “no experience required,” or “experience in production management a plus” - and a single line rarely makes clear what kind of experience, and how many years of it, they are after. Picture a factory growing leafy greens like lettuce in PFAL (closed-type LED cultivation). What I have seen on the floor myself is exactly this world of PFAL and leafy greens. I think the reason listings fail to capture the job is not that the writer was lazy, but that the job itself will not fit in a single line. There is cultivation, but also equipment, labor, shipment, and data - and which of these matters most shifts quite a bit with the situation the factory is in. So when you compress it to one line, it inevitably gets blurry.

What is asked of a manager differs between a factory that has just been launched and one that has been running for years. At first, the valued person is the one who simply “grows the crop without killing it.” Once things are on track, it becomes “how do you cut cost and lift the saleable share?” And as headcount grows, the center of gravity shifts again, toward “how do you pass on the floor’s knowledge?” The title is the same, yet the substance gradually turns over.

This is not a trick of perception; rather, it may be the honest shape of this job - and that is the view I want to try out in this article. It is less that the person grows and the scope of their work widens, and more that the factory keeps posing the next problem, and the substance of what you respond to changes. In order, it is closer to the latter. In the launch phase, what is prized is growing the crop to a stable finish. Once it gets going, profitability comes into view, and the center of gravity shifts to squeezing electricity costs down to the last yen and lifting the saleable share. A master grower can start to struggle the moment things are on track. As headcount grows, you are forced to move from growing the crop yourself to the side that arranges “how people grow.” Someone who had been carrying their experience as intuition gets stuck on whether they can put it into words and hand it over. So it is only natural that a single line in a job listing cannot measure it.

What many factories face right now is the profitability wall

What stage is your factory at right now? Is it in the launch phase, has it entered the stage of squeezing profitability, or has it started to struggle with passing on people and knowledge? If you were to take this job now, the first thing to fall on your shoulders would be which problem - that, I imagine, is what you want to know.

nutrient reservoir and equipment. The equipment that symbolizes operating cost - the profitability wall

On the PFAL (leafy-greens) floors I have seen, the technique of growing the crop without killing it has gathered a fair set of tools, and you can now harvest without relying on personal artistry as much as before. That said, not every place can flatly declare “stable operation now”; quite a few factories are still grinding away, unable to fully get off the ground. Even so, the wall that feels harder to clear is the profitability wall that comes after. How do you recover operating costs like electricity and labor? In what I have seen, many factories are battling it out right here.

So if you take this job now, what first falls on your shoulders is often the responsibility for profit and loss, rather than “not killing the crop” - at least on the PFAL floors I have seen, I have often watched that pattern. The growing technique is taken more or less as a given, and on top of that you are told to show how you will shrink the deficit. This is not just my own gut feel, either. A survey of large-scale protected cultivation and vertical farms (the 2025 edition) also found that about half of PFAL operations are still in the red, with roughly 30% answering that “the business is not stable.” In a new industry, more than the circumstances of an individual factory, what stage that factory is currently at largely determines what a manager carries. That said, this is neither “it’s over” nor “so it is bound to grow.” I would ask you to take it as a reading of where things stand: many factories are still in front of that wall.

This profitability wall is pointed out from the research side as well. Among the barriers to wider adoption, both the difficulty of profitability (Ref. 1) and a shortage of engineers and know-how (Ref. 2) are cited. That profitability is the bottleneck is not just my floor instinct; it has backing on the literature side too.

Most of the profit and loss is decided outside, and a portion moves with how you run things

When you say “shrink the deficit,” where are the levers a manager can actually pull? Let me be honest up front: what decides the overall scale of profit or loss is usually outside the manager’s hands. How large a scale you can build at, how much you can harvest, at what price you can sell, and where you can sell - these four roughly decide profitability. On the research side, too, it is analyzed that in PFAL vertical farms, scale, yield, price, and sales channels dominate profitability, and that a mere 30% drop in yield or selling price can easily push things into a dead end (Ref. 1). The unit cost of things like electricity is also largely decided outside, and swapping out equipment is not something a manager decides alone either.

Workers in hygiene workwear sorting. A scene where prior process and labor experience carries over

So is the manager powerless? Not quite. Within the frame of unit cost and scale decided outside, there is a portion you can move through daily operations - that is, through the design of how you run things. This is not a primary driver of profit and loss; it is positioned as a lever within the range where the floor can tighten the screws day by day, under the ceiling that outside conditions have set.

Within that range, what works is, for example, cutting waste and raising the saleable share. In the survey, too, the gap between profitable and unprofitable factories shows up in how much they harvest per labor hour and what share meets spec and can be sold. With the same box and the same machines, you reduce how much you throw away, raise the share of Grade-A product (product that meets spec and sells at the regular price), and raise workers’ skill level. This kind of thing changes how profit and loss looks without touching the equipment. Leveling the cultivation schedule within a reasonable range to smooth out the peaks and troughs of busy and slack periods is a lever of the same kind.

Seen that way, a manager who is responsible for profitability is in fact also a “person who designs operations.” Precisely because how you set things up to run works within the frame of profitability decided outside, the center of gravity of responsibility gradually leans that way. The profitability stage and the operations-design stage are not separate things so much as one continuous stretch of ground.

This sense that “results change with how you set things up to run, even without swapping out equipment” is echoed in research. It is reported that even with the same type of facility, things like how long you apply light, and how you set CO2 and temperature, change how energy is used and the environmental performance a great deal, depending on how you combine those operating conditions (Ref. 3). This does not measure profit and loss itself, but in that how you set up operations sways floor results, I see it as carrying over to the profit-and-loss side as well.

Where prior experience pays off shifts from stage to stage

Results move with how you set things up to run. This point also carries an important meaning for anyone thinking about changing jobs. Some people come into a vertical farm manager role with no experience, while others move over from line management at a food factory, from a farming corporation, or from a manager role in manufacturing. When it comes to “tightening profit and loss” or “running a process,” the experience of having done that kind of work in a previous job seems fairly portable. On the other hand, there are circumstances unique to a vertical farm, and there must be parts where a previous job does not translate. Where is that line drawn?

A wide-angle view of the factory interior. The whole picture of a floor where five areas run at once

Prior experience fits reality better when you view it not by “portable / does not translate,” but by which stage it pays off at. A feel for tightening profit and loss, the planning to run a line or process, the ability to move people, the habit of looking at data and acting on it - this kind of thing should carry over whether you came from a food factory, a farming corporation, or manufacturing. This is less something I confirmed from the assessing side and more a read from a hands-on feel: someone who has tightened profit and loss will likely pay off in the profitability stage, and someone who has gathered people’s knowledge will likely pay off in the later handover stage. The view is that it is only the place where they pay off that is offset.

But there is one thing I want to be honest about here. Even if you can carry over profit-and-loss or process skills, the cultivation know-how itself - what to grow in a vertical farm and how to grow it - cannot be carried over from a previous job. That part you relearn on the floor.

And the hardest thing to carry over is that you are dealing with a living thing. This is also where I myself ran up against it many times on the floor. Even when you adjust light, temperature and humidity, or nutrient solution, there is a lag before a response comes back. If you keep the industrial-line instinct of “when a defect appears, stop and fix it immediately,” you fall out of step with that timescale. You make a move, wait for the result to come out, and adjust again. This rhythm is largely something you learn after coming in. So an experienced person is not automatically safe, nor is an inexperienced person hopeless. The line is drawn somewhere around there.

Hire by starting from your own factory’s stage

This view of “which stage it pays off at” actually also works when you stand on the hiring side - as an owner or in HR. When you write a job posting, you tend to want to line up the requirements by years and titles, and when you cannot write it out, you end up fudging it with “experienced candidates welcome.” But really, the experience worth looking at changes depending on what stage that factory is at right now. So what should someone thinking about hiring or appointing look at, and what should they confirm in the candidate?

When you move to the hiring side, the starting point is the same. First, size up “what stage your own factory is at right now.” Is it the stage of grinding on profitability, the stage of squeezing how you set up operations, or is passing on people and knowledge the challenge? If you get this wrong, then no matter how impressive a resume is in front of you, you will look at the wrong things.

For example, if you are struggling with profitability, you look for “experience tightening profit and loss and cost” rather than a master grower. And not only the experience of squeezing expenses like electricity and lifting the saleable share - the experience of moving the income side also matters just as much: widening sales channels, raising unit prices, raising the share that fits within spec and can be sold. Because profitability is not just a matter of cutting expenses. At the operations-design stage you look for “experience setting up and running processes and schedules,” and where handover is the challenge, “experience putting people’s tacit knowledge into words, handing it over, and developing people.” For the same candidate, what you weigh heavily changes.

What I want to confirm in an interview, too, is not the title or the number of “how many years they did it,” but “what they were entrusted with at their previous workplace, and what numbers or results they were responsible for.” More or fewer years alone cannot measure whether someone will pay off at that stage. Incidentally, since this is a factory handling food, holding a qualification like food sanitation supervisor works in your favor on the floor, but it is rarely a required condition at the entry stage. For the most part you can assume people pick it up through hands-on work after coming in. That said, what level of compensation is reasonable, and how many years of experience are enough, vary quite a bit by scale, business type, and region, so it cannot be stated as one rule - I will note that premise in advance.

A job you cannot leave entirely to organizational knowledge and data

If what you look at changes by stage, then the part you are most curious about is probably the last one - the stage of passing on people and knowledge. I have mentioned “putting tacit knowledge into words and handing it over” a few times so far, and this is a challenge fairly deep within this job. It really begins once headcount has grown: at a large factory I was involved in launching, the floor staff reached around 100 people, and aligning quality standards across everyone and operating to them itself became a major challenge for the organization. Landing it in a form where everyone judges good and bad with the same eye, not on one person’s intuition - this bears down heavily at the handover stage. And the opposite also comes to mind. Lately you often hear about managing with data and sensors. If that advances, will the part where people pass on knowledge instead get taken over by machines?

To give the answer first: the handover of tacit knowledge does indeed grow heavier in the late stage of this job. Profitability and operations get reasonably worked out, and only then does the awareness rise that “I have to put it in a form that remains even after someone quits.” The manager at this point is less someone who grows the crop themselves and more a hub-like role, gathering the knacks scattered across the floor and turning them into an organizational asset.

As for data and AI, honestly, it seems wise to keep a cautious eye on it for now. Why cautious? The biggest reason is that the more the machine’s role grows, the more there remains a step only a human can do. Deciding what to record and what a human judges - this design part rises in value the more data advances. Data does the recording, but in the end a human chooses which of it to look at and act on. The person who designs that part will be needed for a while yet. We cannot yet flatly declare either “AI will make people unnecessary” or “people will keep doing all of it.”

The backing is also thin. The direction of measuring and managing with sensors is certainly talked about, but verification solid enough to properly compare before and after it is introduced and say “the machine took over the human handover” is, as far as I have seen, still not that common. In the case of protected cultivation (greenhouses), there are reports pointing out that in getting ICT introduced and rooted, things like whether it pays off economically, whether there is technical support, and whether the users have the skills come into play (Ref. 4, 5). The view is that it is not a matter of “put the tools in and it runs,” but that the people and operations side come into play. Becoming able to measure and people’s role becoming unnecessary are, at this point, still better kept as separate things.

Seen as five areas, the heaviest one shifts with the stage

Let me bring the discussion so far down to the concrete - the daily work - and lay it out. What, concretely, is a manager’s job a collection of? There is cultivation itself, but also tending to equipment, shifts and staffing, shipment and quality, and the work of looking at data. In this article I will lay it out by dividing it into these five areas, but please take this less as a comprehensive frame that fixes things as “mainly five” and more as one way of slicing it in order to see where time and responsibility land.

Sliced that way, you can see that which areas carry time and responsibility swap around by stage. At the stage where profitability is a struggle, the center of gravity leans toward the cost side - equipment, energy, and labor. For example, the way you use LED lighting and conserve energy to push electricity costs down, and managing staffing and the saleable share, come to the fore. At the stage of designing operations, it leans toward the cultivation schedule and shipment planning, and the nutrient solution management just before that - the work of measuring pH and EC and adjusting against both the readings and the plants themselves, watching leaf color and growth. At the handover stage, it leans toward people and records - that is, labor and data.

But here is something I do not want misunderstood: what moves with the stage is the “emphasis,” not that “an area you may leave unattended appears.” Nutrient solution management, hygiene, equipment maintenance, quality standards - all of these keep running without stopping at every stage. Hygiene in particular: because once pests or disease appear they can spread across the whole factory, you need constant prevention to keep them from multiplying and spreading. Equipment, too, when a power outage or trouble occurs, demands that you track down the cause and act, and the more simple repairs you can handle yourself, the better. Even as the center of gravity moves, the foundational work does not disappear.

Of this, the point that “at the stage where profitability is a struggle, the center of gravity leans toward the cost side, such as equipment and energy” has backing in research too. It is reported that in PFAL vertical farms, lighting and HVAC are the major energy consumers, and that this is a structural factor pushing up operating costs (Ref. 6, 7). So that your eye goes first to equipment, energy, and labor at the profitability stage is, at the same time as being a floor instinct, also natural from the structure of cost items.

Holding this slicing into five areas means the hiring side, too, avoids spinning its wheels searching for “a person who can do all of it.” It is enough to decide first which area is heavy right now, and judge whether the person can be entrusted with that.

And this is also a story that shifts the view for someone wavering over whether to come in. Until now you may have been comparing the required column of a job listing against your own stock of skills, line by line, thinking in terms of enough or not enough. But it is better to look at your own past experience through the eye of “which stage does it pay off at” and “where is it that the value will actually rise a few years out?” Seen that way, even if everything does not mesh right this instant, the judgment of whether it is worth coming in changes.

Appraise experience along the timeline

The list of skills needed at this very moment is no more than a snapshot of the stage that factory is at right now. What to watch out for is that these three stages do not necessarily proceed in a straight line in the order “profitability -> operations design -> organizational knowledge.” At a large factory in particular, from the moment of launch you end up carrying labor for around 100 people, plus quality, shipment, and data, all at once. Rather than arriving in sequence, depending on scale they can pile up and rush in together. So which stage the center of gravity sits at is not decided uniformly across the whole industry; take it as something that moves factory by factory, with each one’s scale and circumstances.

On that basis, if your factory right now places its center of gravity on profitability, the power to tighten profit and loss is to the fore. But if, over a few years, the center of gravity shifts toward operations design or organizational knowledge, the weight of the power to run things and the power to gather people’s knowledge rises. So your experience, which looks like a bit player now, can actually become the lead a few years out. The reverse holds too: even if it meshes perfectly now, once the stage moves, the center of gravity drifts away.

So if there is one last thing I can say - read your experience not by “today’s job requirements,” but by “which stage it grows heavy at.” The same job title is worth different things depending on the stage you appraise it from. Look at it calmly along that timeline, and whether you are hiring or coming in, the judgment will naturally change.

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参考文献

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