Without selection of cotton seedlings, unfertilized seedbed soil, and improper management, the seedlings will be weak, diseased, with high leg height and poor resistance. According to the experiment, strong seedlings are quick-leaved after transplanting, and their seedlings are short, generally 5-7 days, while the weak seedlings are generally more than 10-15 days. Therefore, in order to nurture strong seedlings and improve the quality of cotton seedlings, cotton seed should be selected first to ensure that the grain is full, followed by ensuring fertile bed soil, implementing double film seedlings (a layer of plastic film, a layer of greenhouse film), and at the same time strengthening seedbed management. Ventilation and timely hardening of seedlings.
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