Technical points of topdressing watermelon

In order to ensure the high quality and high yield of watermelon, according to the characteristics of plant growth and development, light seedling fertilizer, skillful vine fertilizer and heavy fruit fertilizer should be applied according to the characteristics of plant growth and development, and topdressing fertilizer should be applied many times to supplement the deficiency of base fertilizer. to meet the needs of watermelon growth and fruit. Of course, when the base fertilizer is sufficient, the times and amount of topdressing can be reduced, even without topdressing.