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Questions tagged [soil-block]

For questions regarding the use of soil blocks, blocks of soil pressed together told hold their shape without a container. Often used to start a plant meant for [tag:transplanting].

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2 votes
1 answer
43 views

Available (soluble?) vs. total phosphorus for seed starting

I'm going into my second year starting seeds in soil blocks, and this year I'm switching from a prepackaged fertilizer mix to making my own. I'm going largely from Elliot Coleman's original soil block ...
Daniel Slomovits's user avatar
3 votes
2 answers
71 views

What are practicable options for bottom watering soil blocks?

This year I am starting seedlings indoors in soil blocks for the first time. My first attempt is going well, but I can't find a good method for watering. I have two 10in x 20in trays in a 22in x 22in ...
MackM's user avatar
  • 489
1 vote
1 answer
703 views

Should I wait for cotyledons to show before exposing seedling to light?

I used to exclusively use the paper towel method for germinating seeds. Now I am trying soil blocks (I found some seeds germinate better if I don't cover them). And I was wondering when should I take ...
csamx's user avatar
  • 119
12 votes
2 answers
404 views

Questions about soil block usage

I got a catalog from Johnny's seeds the other day and saw their soil block makers. I've been looking into them and I'm thinking about trying them to start my garden plants this year as an experiment. ...
Dalton's user avatar
  • 5,112
5 votes
3 answers
756 views

what are the trade-offs between soil blocks and air-pruning trays?

In the past, I've tried peat pots, the puff-up peat tablets, the cheap flimsy trays for doing starts. Peat pots don't really let the roots through. The tablet things are a recurring cost (so are the ...
mmccoo's user avatar
  • 151
12 votes
1 answer
4k views

What are the advantages and disadvantages of using soil blocks?

I recently read a book that suggests using soil blocks for starting seeds. What are the advantages and disadvantages of soil blocks over the more popular seed starting methods? I am mainly interested ...
jeffreywrichards's user avatar