Watermelon is not resistant to waterlogging, and the flooding time should not exceed 12h. Keep it dry and wet. Pay attention to drainage in rainy days; pay attention to watering in the early days.
Watermelon seedlings need a small amount of fertilizer, avoid concentrated fertilizer. The principle of fertilization is to "apply Miao Fei lightly, skillfully pumping rattan fertilizer, and re-applying melon fertilizer." Before planting into vines, 15%-20% of the decomposed fecal urine can be topdressed 2-3 times, 667m, and applied 1000-2000kg. After extending the vine, combined with cultivating loose soil, fertilize at 50cm from the root. 667m, applying 20%, 25% of human fecal urine 2000-3000kg or applying 10-15kg of urea; reapply after squashing, applying 20%-30% of decomposed human urine 3000-4000kg per 667m or Human urea 20-30kg. At the same time, extra-root fertilizer is applied, ie 0.2%-0.3% of urea or potassium dihydrogen phosphate is sprayed on the foliage.
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