条件筛选
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When is the best time to apply corn growth regulator?
Abstract: You can choose to spray the growth regulator when the corn has 6-12 leaves. You can spray the upper leaves of the plant, but do not spray the whole plant. This can effectively promote full corn kernels and increase the number and weight of kernels. Growth regulator is one of the methods for high corn yield, and it is convenient and effective.
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Planting season and methods for Platycodon grandiflorus (balloon flower): spring sowing and winter sowing are both options
Abstract: Platycodon grandiflorus can be spring-sown in March-April, or winter-sown from November to January of the following year. For spring sowing, the seeds need to be hot-water treated, and they can be sown once the seeds begin to sprout. For planting Platycodon grandiflorus, winter sowing is more suitable: first mix fine sandy soil and seeds in a certain ratio,