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Posted by pulisse 4 hours ago

12k Tons of Dumped Orange Peel Grew into a Landscape Nobody Expected (2017)(www.sciencealert.com)
203 points | 72 comments
jillesvangurp 2 hours ago|
Turning degraded land back into fertile land is actually very feasible and not as hopeless as it may seem. A lot of the damage people have done to landscapes in recent centuries is still reversible. There are a lot of examples all over the world of people turning dried out and heavily eroded land back into fertile land with great bio diversity.

Sometimes at small scale, and sometimes at very large scale. Often even just leaving it alone, and putting a stop to the practices that destroyed the land, (e.g. keeping the grazers out) sometimes is all that is needed. For example, a simple fence can allow vegetation to re-establish itself without getting destroyed by hungry deer, sheep, or whatever.

Once you have plants with deep roots, the land gets better at retaining water and soil stops eroding away. Once the land can retain water, a lot of life can make use of that. Nature tends to be resilient and adaptable. There are no one size fits all solutions for every landscape. But there are a lot of things that have been tried that have yielded good results.

In any case, stuff like this is not as surprising as it seems. Organic matter rots. That usually involves a lot of bacteria and insects. The result is basically compost. A giant heap of compost and a lot of wild seeds from neighboring grounds with a bit of water is one hell of a good way to kickstart nature. Probably the best decision was to leave it alone.

fainpul 2 hours ago||
As demonstrated in "The Biggest Little Farm" [1]. However it took years of hard work.

[1] https://www.imdb.com/title/tt8969332/

sophacles 2 hours ago||
Often you don't even need seeds from neighboring land. The soil that remains often still has seeds sitting dormant waiting for conditions to return to healthy.
Imustaskforhelp 1 hour ago||
Reading this feels like a great metaphor to life that I am unable to explain but I will still try, in the sense that, within a degraded land with just the right conditions, it is just waiting to grow :D
bryanrasmussen 46 minutes ago||
Life...finds a way.
bennettnate5 1 hour ago||
> Despite this promising start, the conservation experiment wasn't to last, after a rival juice manufacturer called TicoFruit sued Del Oro, alleging that its competitor had "defiled a national park".

No good deed goes unpunished--wild that the competitor company successfully sued them.

ComputerGuru 44 minutes ago||
There's actually no guarantee that if the "experiment" were allowed to continue that the results would have been as great. If the biomass accumulated faster than it could be broken down, we might not have seen the same result.
calf 33 minutes ago|||
Even a consequentialist should accept that it would have taken 16 years to realize it was actually a good thing to do with orange peels.
adammarples 1 hour ago||
Maybe they can now overturn that judgement
ethagnawl 3 hours ago||
It's recently occurred to me how "valuable" today's trash is likely to be considered in the future. I'll focus on organics here but I think the plastics will be equally valuable, too.

I have no idea what % of American households compost or live in places which offer municipal compost pickup but I imagine it's in the single digits. As evidenced by this article, compost is/can be an incredibly powerful agent of change: food production, habitat restoration, etc. However, most of us are putting organics into refuse streams where they're likely to be burned or buried in a way that's actually harmful because they release methane when they decompose under those conditions. It can be a bit gross and tedious to compost at home but there is a certain satisfaction which comes along with it.

acomjean 2 hours ago||
I worked for a time designing and building landfills. Nothing really rots in them typically as it’s really dry and don’t have good access to oxygen. Modern landfills are like giant plastic bags. This is to protect ground water.

Decomposition as noted releases methane. Some landfills gather it in pipes and “flare” it )burn. They have to vent the gas as a full landfill is covered by a plastic cap to prevent water infiltration.

We dug up trash from the 70s to extend the landfill out. It was in remarkably good shape.

https://planetliner.com/landfill-cap/

tonypapousek 1 hour ago||
Thanks for the share, crazy that 1-2mm polyethylene is all it takes to cap a landfill.

Practical Engineering put out an excellent video on landfills a couple years back, well worth the watch for the visualizations alone.

https://youtu.be/HRx_dZawN44

PaulHoule 2 hours ago|||
See https://www.floridatrend.com/article/14356/trashed-plan-to-u...

St. Lucie County wanted to use a plasma torch that would have converted plastic and other carboniferous waste to energy. Like many other plans to do the same, it fell through

https://en.wikipedia.org/wiki/Plasma_gasification

pstuart 10 minutes ago||
Yeah, reminds me of Changing World Technologies -- so much hope, so little reality: https://en.wikipedia.org/wiki/Changing_World_Technologies

In a more civilized civilization we'd be investing in making these processes work. Likely there was more money to be made by stakeholders to scuttle these endeavors.

schrectacular 2 hours ago|||
The thought occurred to me some 25+ years ago that today's landfills will be tomorrow's mines. I hope it isn't true but taking the very long view I'm afraid it will be.
mlyle 2 hours ago|||
We already mine landfills -- mostly for land reclamation but sometimes to recover resources.

In the longer run, when there's been more compaction, settling, and densification (and changes in what things are valuable), and more need to reclaim land that was previously landfilled, we will do this more.

PaulHoule 2 hours ago||
People sometimes build stuff on top of landfills.
mlyle 15 minutes ago|||
Yup. It is a little undesirable for various reasons, and not every landfill is suitable for construction on top (seismics, sealing/capping technique, materials, etc).
rootusrootus 30 minutes ago||||
Indeed, sometimes big things. The landfill we used when I was growing up is now beneath a Home Depot, which was built over the top of it almost 25 years ago.
salad-tycoon 1 hour ago|||
Like ski courses!
kleinsch 2 hours ago|||
Today’s landfills are already used for natural gas generation.
bdcravens 3 hours ago|||
For those who can't or find dealing with compost a challenge, there are also other options to recycle biowaste. It's a bit of pricey subscription, but we have a Mill which processes most food waste into chicken feed (you do have to mail the processed food to them for further processing).
ChrisMarshallNY 2 hours ago|||
For anthropologists and archaeologists, trash/sewage is gold.
roboror 2 hours ago|||
Proud to report residential composting is now mandatory in NYC.
IG_Semmelweiss 1 hour ago|||
Please elaborate. From what i know based on prior research, most metro (including NYC) recycling is effectively a scam. How do you mandate composting in NYC ? Are you implying that all buildings have now must build a 3rd chute specifically for compost ? And who's picking up that compost ? NYC Trash collection ?

I've seen compost vending machines in my visits to NYC and a few other places, but i've yet anyone using them

ethagnawl 2 hours ago|||
It's doubtful that'll ever happen in Dutchess County but I can dream.
IncreasePosts 2 hours ago||
These machines are currently too expensive for widespread adoption, but I love the electric composter I bought that I keep in my garage.

There's no grossness or work involved. You just dump stuff in it and it cooks it down to something dirt-like(nearly but not quite compost ready) in less than a day.

I have municipal compost, but it's only picked up every 2 weeks, so that meant I needed to keep food scraps around for two weeks before pick up, so they either would get super gross and smelly, or I had to use my chest freezer to store them and make that gross and smelly and dedicated to just compost.

MisterTea 3 hours ago||
> As for how the orange peels were able to regenerate the site so effectively in just 16 years of isolation, nobody's entirely sure.

We now understand that fungus plays a vital role in the soil ecosystem. And given how easily fruit and vegetables rot and get moldy, the orange peel mass sounds like the perfect layer for the fungus to thrive in. The dead earth received a live giving blanket yielding healthy soil vegetation can thrive in.

TheGRS 2 hours ago||
They also mentioned that invasive grass species were suppressed by the orange peels which likely contributed to native plants thriving better.
calf 32 minutes ago||
They should check for new penicillin strains in this forest.
mynegation 2 hours ago||
They could not find the site and searched for it for years. A stark reminder that civilian use of GPS is relatively recent thing. The site was created in 1990s and GPS was opened for civilian use only in 1995 and gained equal accuracy by legislation in 2000.
zokier 51 minutes ago||
on the other hand, basic surveying is centuries old. if you lose square km patch of land, it is not due lack of technology even in the previous century.
rasz 50 minutes ago||
GPs was available for civilian use since 80s, just expensive https://en.wikipedia.org/wiki/Satellite_navigation_device#Hi...
tbirdny 13 minutes ago||
I'm surprised they would just throw orange peels away. There are beneficial compounds in orange peels that can be extracted: limonene, hesperidin, naringin, pectin, insoluble and soluble fiber. Or, could be added to animal feed.
krisroadruck 47 minutes ago||
Avid backyard gardener here. When we moved to our new house in Fort Wayne our yard was a real problem child. It was a new build in an old neighborhood. All the other houses where about 40ish years old. Ours had also had a 40 year old house, but at some point that house was abandoned, eventually condemned and then knocked down. Eventually a builder snapped up the lot and built our current house. But that means the ground had been stripped of topsoil and compacted all to hell not once, but 3 times in the past 40 years. What was left was dead heavily compacted clay subsoil. It had drainage issues in wet weather, it developed crazy deep & wide cracks in dry weather, and just generally didn't want to grow anything.

We solved it by dumping around 400 cubic yards of arborist woodchips spread 12-18 inches thick over most of the yard, then top dressed that with composted manure and worm castings. Finally, we planted a bunch of wine cap mushroom spawn (to break down the wood) and clover (to fix nitrogen and feed the fungi) over the whole thing. 3 years later we have rich loamy soil that drains well, is full of earth worms and grows anything we plant it it.

TL;DR: Add tons of carbon and nitrogen into degraded soil and the local fungi, bacteria and worms will turn that into good soil if given sufficient time.

proee 3 hours ago||
One risk here is that a giant pile of biomass could allow nefarious critters to grow disproportionately. For example, in Alaska, they had giant brush piles that ended up fueling beetle infestations across the state.
ajkjk 1 hour ago||
Presumably the reason this article delays showing you the before/after photos is to get you to scroll and see more ads, since you'll probably just close the tab after. Which sucks, but, fine.

What really gets me is that: I scroll passed all the ads without even registering them (I haven't figured out how to block ads on my phone). Surely almost everybody else also does. Surely anyone who clicks or seems to react to them in the data is a mistake. So why is there still money, however little, in showing them? Why do they even bother? Who is defrauding who here?

jdlshore 38 minutes ago||
If you’re using Safari on iOS, the “hide distracting items” option accessible from the icon in the left of the URL bar works really well, and it remembers your choices for your next visit to the site.
shrx 1 hour ago||
> I haven't figured out how to block ads on my phone

Firefox + ublock origin + consent-o-matic saves the day for me.

FuriouslyAdrift 58 minutes ago|
The actul study linked to the project... https://onlinelibrary.wiley.com/doi/abs/10.1111/rec.12565
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