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Question about fertilizers.
Billy wrote:
David Hare-Scott wrote: DogDiesel wrote: I've got burn questions about fertilizers. I've got a lot of old liquid fish mixes and micro nutrients , From my hydroponics . I used them last year in my outdoor soil garden . The bottles of fish mix say they wont burn. One is 5-1-1 and the Alaska starter fish mix is 2-1-1 . I know they are only 100 % ground fish mixed with water , It looks like syrup and stinks. Last year my garden did very good on it. I put about a half a shot glass with about 2 gallons of water and hand water the plants. Maybe three times for the summer. My soil was N deficient. Just so you know .It wont burn. No matter what. Or how much. What's the reason some fertilizers wont burn,. Is it just because its dead fish. Or natural or something. And if it wont burn, Why isn't non burning fertilizers available in the big stores. What else could be used as non burning fertilizers? Fertiliser burn is caused by high concentrations of soluble salts, typically this is nitrogen salts because they are found in most fertilisers and they are very soluble but you could get the same from say potassium salts. The dehydrating effects of salts (chemical fertilizers) are well known and not restricted to fertilizer salts. It is also for this reason best to avoid chemferts, because salts have a deleterious effect on soil organisms and ecology. Regardless of what Wikipedia says, fertilizer burn with organic fertilizers comes from the pH raising effects of ammonia, which is released as the proteins in the organic material breaks down. (I was able to quite handily fry some potted plants with alfalfa [lucerne] meal quiet easily, no salts necessary.) sure it wasn't a fungal attack? what kind of plants and how old were they? a fungal attack could look like chemical burn if you caught it only after it was done. adding alfalfa to a potted plant would be asking for trouble. adding it in measured quantities to a worm bin would be a wonderful thing. taking the results of the worm bin and adding that to a potted plant would likely be a much better result (in moderation as the plant's nature also is important -- some plants don't need much or any fertilizers). .... songbird |
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