When making soil blocks to start your seeds, getting the mix right is the first key to success. We have been doing soil blocks for several years and over time we have refined our mix to allow for the best germination outcome possible. It is also the most affordable method for us. As we often state, this is what works for us on our farm. There are many ways to make a mix for the mini soil blocker and we are offering this post and video as an option.
Farmer Tony goes over the recipe that we use for our mini soil block mix. Here it is in the printed form:
We use a 3 gallon pail as equaling 1 part. The finished mix using this recipe and our 3 gallon measuring pail is about 5 cubic feet and will make about 30 1020 trays of 300 blocks per tray.
4 parts of peat moss sifted
2 cups of limestone
1 part perlite plug grade
2 cups calphos
2 cups greensand if you can get it OR
2 cups basalt rock powder (not both)
2 cups worm castings
1 parts compost sifted
Feels like I am writing a recipe down and actually it is a recipe. A recipe that successfully creates little soil blocks that hold up and create the perfect medium for soil germination.
Photos of the parts for clarity
Peat Moss that we sifted
Limestone on the right with Calphos on the left
Perlite plug grade
Activated Bio Char mixed with basalt, worm castings and bread flour that has composted for 4 weeks
View our video on the process to learn more follow the link below:
So there it is, our mix for making 3/4" mini soil blocks. I have many flowers to seed in the coming days so this batch is a good start. Stay tuned for more videos on our other mixes and using our soil blockers. Time for another round of snapdragons, oh how I wish they were bigger seeds, where ARE my glasses????
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Until next time....