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Welcome to mastodon everyone! I love seeing all this art posted. But we do have some folks on here who don't see well, and they really appreciate it if you add a description to your images. Just briefly what you're showing people, so that they have some idea what they're looking for.

I know sometimes it seems like too much work, and if you can't you can't. But it does make your work accessible to more people, not least because more of us will boost it.

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If you're at all interested in an image, I recommend checking the caption (in the web client, it should pop up on mouseover).

Sometimes it's just enough description for someone who can't see the image, but sometimes it explains what you're seeing or tells you why it's remarkable.

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If you find your mastodon experience too political, too meme-y, too science-y, or just not interesting enough, choose who to follow more carefully. Unfollow some people who fill your timeline with boring stuff; it's not a personal judgement, and you'll still see it if one of your friends boosts their toot. And follow someone who posts the sort of thing you like. Check out hashtags from their cool posts.

Most of all, post the sort of thing you'd like to see more of!

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@anne @Maltimore @puffinus_puffinus @InvaderXan One of the reasons for crop rotations is to try and counter this issue. Some plants add nitrogen, others use up lots, etc, so by rotating crops, the soil doesn't get depleted.

Though you need to add manure as well as rotate crops. Here I would add green manures or farmyard manure, rather than any fertilizer that comes from fossil fuels.

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@anne @Maltimore @puffinus_puffinus @InvaderXan if capitalism took into account environmental degradation costs, suddenly monocultures aren't that cheap.

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Selfies, ec 

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Feathery friends spotted by the Dowager on his way home :goose_flap:

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What are y'all's favourite keyboard-driven chromeless web browsers? I know of Next and Luakit.

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PSA! Finding work for my friend who's a nutritionist/personal trainer. Please read because there's a lot to this :D Also please share! <3

My friend Jen has fibro, IC, depression, and anxiety. Two years ago she was hugely overweight and unfit, and walking ~100m was enough exertion that she'd feel sick afterwards. Today, she's lost 80kg in weight and is a qualified personal trainer and nutritionist. She does Krav, boxing, runs a community social walking group, teaches teens self-defense. (1/?)

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wth is this weird thing! it looks like a cnidarian, related to jellyfish and corals, but it looks like a singular polyp (the coral individual, usually like .5 cm across) but this one is huge!!!!!!! like 20+ cm and looks like a calcified base? maybe a wild kinda cup coral

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@puffinus_puffinus @Maltimore @GwenfarsGarden
Yeah, that's the big cause of land degradation in monoculture farming. The land gets sucked dry of nutrients and ends up barren.

Even monoculture farms need to sometimes give fields a fallow year, to let nature sort things out. Other farmers plant beans to enrich the soil with nitrogen.

They usually don't even harvest the beans, annoyingly. When I was a kid, I used to go and "acquire" lots of them from nearby fields. It's not like they'd be missed!

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@emsenn @GwenfarsGarden @puffinus_puffinus @Maltimore
But yeah. Most of the nutrients any plant needs need comes from the soil. No plant can survive without those nutrients.

However, it is true that plants are mostly made of cellulose and lignin. These are the biopolymers which make up all their structures, and which we process into paper. And those are built, essentially, from sugar. Plants get sugar from photosynthesis – they convert CO2 into sugar to store it and/or use it.

So a significant amount of any plant was indeed once atmospheric carbon dioxide – or, more simply, air.

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@emsenn @GwenfarsGarden @puffinus_puffinus @Maltimore
As for nitrogen, it's more than just a catalyst. In plants, it's an integral component of the molecular structure of chlorophyll. See this image. The N is nitrogen. Note also the magnesium (Mg) atom in the centre!

All life on Earth also needs nitrogen to build proteins. Plants usually just build as many proteins as they can, so lots of nitrogen and lots of light makes plants grow faster. Nitrogen is also fixed from the atmosphere by soil bacteria. Some plants (notably legumes) cultivate these bacteria symbiotically in their root nodules.

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@emsenn @GwenfarsGarden @puffinus_puffinus @Maltimore
If we're to be technical, the only things which create potassium are stars ☀️

On Earth, metals get passed around from one form to another. Plants (and animals) need bioavailable sources, which usually means salts. As well as potassium, plants need many other minerals. Manganese and magnesium, for instance, are essential for chlorophyll to function. Mostly, plants get these from ground water, which usually contains enough dissolved minerals to meet their needs.

The view from Tynemouth. I don't know what the brown birds are, and I couldn't easily get closer (the reason may be obvious).

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Growing Saffron (critters/predation) 

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Growing Saffron (emerging blooms) 

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Growing Saffron (1st flower!) 

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Beach City

Beach City is our private beach-side sanctuary for close friends and awesome folks. We are various flavors of trans, queer, non-binary, polyamorous, disabled, furry, etc.