What issues should be noted when sprouting watermelon seeds?

(Agricultural Wealth Network) When sprouting watermelon seeds, note: 1. Do not make the sprouting cloth too dense or too sparse; 2. The sprouting temperature must not be too high or too low; 3. The humidity must not be too high; 4. The sprout length should be judged by the white tip showing, and should not exceed 3 mm at most; 5. During the sprouting process, the seeds should be turned frequently.