Prepairing the soil for the indoor seedlings!
Yesterday, I put many seeds to germinate in a wet paper towel, and I've already used up all of the soil I had stored for spring plants, so, I had to go to the forest on a nice sunny day, and dig out some soil from under a dead stump. I only take soil from already dead and rotting trees, and only take a little, because that soil is now made out of tree-decomposing matter, which is very fertile, rich in nutrients, and basically compost quality. It's also very light and airy and that makes it possible to use in containers, all soil that is used in containers needs to be very light so that the baby plants can stretch their roots thru it.
Other than the forest, I'd been able to find such soil in the areas where the river has flooded and dumped massive amounts of tree leaves, which then decomposed for months, and again, have created compost.
I've planted my seedlings directly into the forest soil before, and they were growing just fine, then for a while I was mixing new forest soil, with already-used-up forest soil, and that was fine too! I also ran some experiments mixing soil with fine sand, and planting half of my seedling in soil+sand mixture, and half in only-soil, and they've both grown equally well, no difference was noticed.
This time, I'm going to mix my forest soil with already-used soil, which I have on my balcony, and I have a bag of fine sand from the riverbank. I'm making this mix because it will increase the amount of soil I can use, since I have a neck injury, it's complicated for me to bring home large amounts of soil home, and re-using soil is effective and easy, and perfectly fine if you add fertilized and nutritious soil in it.
You don't need to go thru this entire process just to grow plants, you can use store-bought soil, or try any kind of soil you have around until something works, I'm doing this just to increase the amount of soil I have and make sure it's easy to grow in!
So I have forest soil, already-used soil, sand, and a bucket to put it all in. Before it gets in the bucket, I want to be meticulous and clean it, because even the already-used soil will have some hard clumps or pieces of bark or something, that might bother the tiny seedlings when they grow. I want to make it the most airy and productive soil ever. This is how the already-used soil looks after it's been clean.
And once it's nice and clean I dump it into the bucket! Now it's time to clean the equal amount of the forest soil, and this one is way more messy. There are leaves, roots, pieces of bark, rocks, seeds, sometimes there's even tiny little bugs I accidentally woke from hibernation, but they are fine and good for the soil, and they generally just keep living in the soil and don't go running around the apartment, so I don't mind them at all.
This is how it looks before and after I cleaned it, I was just brushing my hands thru and taking out anything that felt clumpy and odd. If you had a big sieve you could do this within seconds, but I like having my hands in the soil, so I was having a good time spending 10 minutes picking stuff out.
Now, both of the soils are added into the bucket, and I'm also adding sand in. Sand isn't going to add any nutrition to it, but it is very airy, very light, and very easy for little plants to push seeds thru. It will make the soil lighter, and increase drainage, means the water will run down more easily and the soil will not keep water inside. I've tried to make it about 20% sand.
And I'm loving the result after mixing! The soil is a tad more grey in color, but extremely light and airy, I think the plants are going to love it. It's a bit less filled with nutrients than the pure compost would be, but I will add nutrition when the plants become big enough to require it (when they have more than 1 set of true leaves).
All of the clumps, leaves, pieces of bark and clusters of roots I took out, can be composted, but, I'm going to actually use them for filling the big pots on my balcony. I usually add all of the clumpy soil at the bottom, because it adds more drainage at the bottom, and by the time the plants grow their roots all the way down, they won't be bothered by the clumps, it's only the most fragile tiny roots of baby seeds that are sensitive and need airy and non-clumpy soil.
Since my experiment with mixing went so well, I repeated the process and added once more, a container of used soil, container of forest soil, and a bit of sand, to make a full bucket of soil. Now I have plenty of soil to work with! I'm going to keep this bucket inside of my room, because those baby seeds are used to warm temperatures, and will want to be planted in warm soil. I'm also closing the lid, so the soil remains damp and full of life.
If your soil dries out, then the bacteria and diversity inside of it starts dying off, and it can even become hydrophobic! In case it does get so dry it starts rejecting water, it can still be rehabilitated, by adding more organic soil in it and mixing it all together. I've also seen gardeners add soapy water, because bubbly water has less surface tension and is more easily absorbed by the dry soil. For this purpose, they'd add a few drops of dish detergent in the water.
Here's my bucket of soil! This can fill many containers and cups, and when I run out, I have enough ingredients to make more. In a few weeks, I'll probably have to go to the forest to get some more, but I'll be all set until then.
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