How to manage watermelon seedlings covered with plastic film

1. Membrane surface management. The film surface should always be kept compacted to keep close to the ground and maintain the effect of plastic film covering. Wind big membrane surface is easy to loose phenomenon after the wind blows, step on solid compaction at any time. In addition, the membrane surface should be kept tightly sealed, without air leakage, especially around the planting hole mouth must be sealed tightly. II. Nursery management. Spring wind is windy, sometimes there will be low temperature cold wave, there are low temperature frost before the arrival of small seedlings cover grass and other preventive measures; plastic film covered underground pests occur early, should be timely chemical control work; do a good job of thinning seedlings, seedling determination and seedling supplement work, strive to achieve uniform seedlings, complete seedlings, strong seedlings.