More safer every other year
Vegetable seeds are not as fresh as possible. It is safer to buy vegetable seeds the following year.
First of all, some new seeds of vegetables have a dormant period, and seedlings are vulnerable to seedlings. In fact, except for a few varieties of leeks, onions, scallions, etc., whose service life is about 1 year, most vegetable varieties have a seed life of more than 3 years, while melons have a longer lifespan of about 6 years. If it is well-preserved, the ambient temperature and humidity are suitable, and the seeds of the second year can be selected to ensure Miao Qi and Miao Zhuang.
Secondly, experiments have shown that many of the vegetable cultivars can have obvious effects of shortening their fertility and early maturation when their germination rates are not significantly reduced. For example, Chen seeds of glutinous corn are obviously matured about 3 days earlier than new seeds.
Thirdly, most large domestic companies now sell vegetable seeds for a year. This is because the requirements for seed production vary from crop to crop, and the seeds for production are generally used for breeding at a selective climate zone production base suitable for seed production of the crop. It takes a long time for the seeds to be harvested before they are identified for purity. Even if it has not passed the purity test, after one year of use, problems will arise. Responsible seed management departments will not continue to sell problematic seeds, so purchasing the next year Chen seeds will be more assured in seed quality.
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