This evening I begin the hardening tomato seeds 0-33. The seeds will gradually after twelve hours exposed to these changing environments:
12 hours dipping in warm water
12 hours of drying at room temperature
12 hours exposed to frost -2 ° C to -5 ° C
12 hours at room temperature
12 hours dipping in warm water
12 hours…………………………………………………………………..
This process will repeat until January 20, when the seeds will be sown together with other seeds so I can compare.
Plants from seeds stimulated in this way are characterized by a shorter growing season and better resist unfavorable declines in temperature (verified professional field trials undertaken during three years).
Vladimír
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