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organikn8
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Molybdenum is a necessary element, in very small quantities. If the NH4NO3 and (NH4)3PO4 are at sufficiently high saturation points, yes, they'll kill the microbes. I personally wouldn't use it, but then I personally don't typically shop hydroponic stores. I personally am also very into organic, closed-loop type growing, when and where ever possible.just got some free samples of nutes from my local hydroponics place , one of the bottles says foliage will contain molybdenum which is toxic to reminent animals , this just sounds like a no no . I am organic but like to do side projects , should i avoid use of this all together?
another fert also contains ammonium nitrate as well as ammonium phosphate im thinking this would kill soil life am i right?
Ammonium type fertilizer is kind of garbage, mostly to be used in strictly outdoor dirt situations. Putting it in a hydroponics formula is basically cheaping out
What's the N form found in blood meal?
I decided to get bone meal instead, because it smells like chicharrones. <winky of absolution> (and for the P sans high alkalinity)
What's the molecular structure of this highly available N? It's not NH3/4, it's not NO3 (is it?), and with my perfunctory Googling I'm not getting anything other than "highly available." This is more to satisfy my curiosity at this moment than anything else, except I also know that such satisfaction can often be used later down the road (assuming I remember).
The "blood meal" I'm referring to is the products licensed for sale as fertilizer in the U.S (although it is available in other countries, I'm just not sure of their licensing). This will be primarily from slaughtered beef and pork. It typically undergoes a two-step dehydration process to insure (a) sterilization, (b) solubility, and (c) uniformity of nitrogen content.
So, provided those things have been done the Nitrogen will be almost entirely in the water-soluble organo-protein form -- meaning a carbon-nitrogen-ammonia. Seamaiden - I believe you recognize that the "organo" in "organo-protein" refers to the presence of carbon in the molecule. In a healthy hydroponic or soil environment, the blood meal will be introduced to an acidic environment in the presence of other minerals. Because of this, both the water-soluble and slight amount of water-insoluble will be readily available to the plants. This is why fertilizer-licensed blood meal is considered one of the few fast-acting sources of nitrogen for "organic gardening". It is also a good source for "less than organic" applications too.
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