Solution cultivation method for low potassium vegetable, low potassium vegetable and cultivation device
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United States of America Patent
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Sep 29, 2020
Grant Date -
Aug 10, 2017
app pub date -
Sep 18, 2015
filing date -
Oct 14, 2014
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Abstract
In a solution cultivation method for a low potassium vegetable, an entire cultivation period from seeding to harvesting is divided into a first cultivation period and a second cultivation period depending on the vegetable to be cultivated. In the first cultivation period, the vegetable is cultivated in a first culture solution containing a first fertilizer for solution cultivation which contains potassium. In the second cultivation period, the vegetable is cultivated in a second culture solution containing a second fertilizer for solution cultivation which does not substantially contain potassium. During the second cultivation period, an air flow is applied at a controlled speed to the growing point of the vegetable.
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