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| If you can point me to reading material about this question, please do.
I read that the USDA determined the nutrient content of vegetables grown in garden soil many years ago, often with cultivars that took more time to grow to effective size than modern cultivars take to grow to effective size. Somebody did a study recently comparing the nutrient values in new, fast growing culivars with those older ones reported by the usda. The result was that the newer, faster growing vegetables have less nutrients than did the old ones. It was wondered if this were true because the new plants didn't have enough time to collect nutrients before being eaten. Since hydroponic vegetables are said to grow fast, is this a problem with them? Or does using the correct nutrient solution sidestep this problem? |
Follow-Up Postings:
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| The plants need to uptake the nutrients to grow, growing faster just means they are not needing to work as much to get the nutrients they need to grow. If newer faster vegetables have less nutrients, that's due to other factors. Like the hybrid itself, and/or the nutrients they are using in the comparison. Even possibly due to variables of the way the study was conducted in the first place. Even the amount of time they have to ripen and when they were picked will make a difference (even from the same exact plant). Bottom line, there is no problem to sidestep. |
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