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I had the unique experience, that I only previously dreamed about, of visiting Dr. Eiji Nitasaka during my business trip in Japan this month. He gave me a tour of his morning glory growing field and permitted me to take photographs. I wanted to create this thread to document how he grows his Q-number morning glories to maintain the seeds of each strain for the Kyushu University seed bank. I learned a good bit and hope you will get ideas to try in your own gardens.
The soil in this field seemed to be on the sandy loam, and he said they mix in a granular fertilizer into the soil before planting in the already started plant. The transplants appeared to have a vine about 2 to 3 feet long. The N-P-K-Mg formula for fertilizer (%) was as follows: 6-40-6-15. So they use a bloom-booster type fertilizer, which is an interesting revelation. He said they were planting out about 800 different strains in the entire field. It appeared they organized the plants in numerical order of the Q-numbering scheme they use in the seed bank.
At the row ends is located a heavy duty metal pipe structure. This structure supports the row wire on which is tied the plastic cane used to support each vine. A drip irrigation system (a leaky hose) runs the length of the row. Plants are about 12 to 18 inches apart, and two lines of plants are installed along each row.
Joseph
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