Mario,
Those are pretty much my sentiments. I would caution you about the word "organic":
Quote:
Originally Posted by supermario
I've heard that some scientific studies suggest that using organic fertilizers is better because the ground will naturally sustain the trees in the long run.
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"Organic" has no legally binding meaning and thus any scientific study would be more specific about what kind of organic they are talking about. In particular, "certified organic" has to do with the effects on the local environment and does not prohibit synthetic fertilizers -- unless of course they have an adverse effect. It is a common misconception that "certified organic" means "non-synthetic". Potassium Citrate is an example of a compound made by ionic chemistry which is perfectly acceptable for USDA "certified organic" growing.
Another bizarre misconception (perpetrated by seed sellers) is the meaning of "heirloom". This word does have a legally binding meaning. Any seeds sold as heirloom must be (1) off-patent, and (2) reproduce true to form. So as it turns out, nearly all tomato seeds sold on the market today meet the definition of heirloom, including most of A. Burpee's hybrids and several GMO strains from universities as well.