Quote:
Originally Posted by estación seca
A US teaspoon holds 5ml. But the formulation is a powder.
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if somebody says they are using MSU at 1/8 strength, do they mean 1/8 teaspoon per gallon, or do they mean 1/8 of 1/2 teaspoon per gallon, which is 1/16 of a teaspoon?
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Ray has fertilizer calculators on his Web site, in the Free Information section. He has argued it's least ambiguous to describe fertilizer dilutions in terms of parts per million of nitrogen. The calculators do this for you. I encourage people to use them.
I've never been able to keep sphagnum alive with even the tiniest amounts of fertilizer applied.
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This is a very good point, and even worse, mine is in pellet form. I meant 1/8th teaspoon per gallon but I'm putting roughly half a teaspoon in a 4 gallon container. I really should get a scale.
That's a good resource, thank you both! Still reading through it but I like the specificity, especially the ranges for mounts, pots, and semi hydroponics.
---------- Post added at 05:00 PM ---------- Previous post was at 04:40 PM ----------
Quote:
Originally Posted by Ray
I think it's a good idea to think of milligrams of nitrogen as being analagous to us counting calories.
We don't really have a good handle on how many milligrams the plant takes up, but we can at least control how many milligrams-per-volume we apply, know that most of it is wasted. That's the basis of my "100 ppm N applied weekly".
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Agreed, I read some of your Plant Nutrition articles and this method makes a lot more sense. It's caused me to imagine a future where someone refers to their fertilizing plan and I don't need to know the exact product to have a decent idea of the concentration haha. I'm trying to work out how much to feed based on your advice with size, potting medium/mount, etc. in mind.
Also, I think I will try Kelpak.
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