Toona sinensis in greenhouse should be applied with sufficient base fertilizer before planting to ensure fertile land. After fertilization, the farmland should be cultivated once and the border should be leveled, and the width of the border should be 60- 100 cm. Toona sinensis seeds should be selected with high germination rate, easy type control and good quality.

Planting technology and management of Toona sinensis in greenhouse

Second, soaking seeds to accelerate germination

First, soak the seeds of Toona sinensis in warm water for 5 minutes, and keep stirring during this period, then soak them in warm water at 20-30℃ for 24 hours, take them out and wash them, wrap them in wet gauze, and wash them in clean water at 20-25℃. When 40% of the seeds begin to sprout, they can be sown.

Planting technology and management of Toona sinensis in greenhouse

Third, seedling management

Seedlings of Toona sinensis will emerge in about 7 days after sowing, and the stems and leaves of the newly unearthed seedlings are delicate, so it is necessary to shade them in time. When the seedlings have 1-2 true leaves, it is necessary to combine intertillage weeding for thinning, and when there are 4-6 true leaves, the plastic film can be removed for seedling fixing. Before the seedlings are fixed, they need to be watered, and the seedlings should be fixed according to the plant spacing of 20 cm. Wait until the end of August, when the plant height is 50 cm, dwarf the seedlings to avoid unnecessary growth. It is also necessary to carry out coring work to promote the germination of more branches.

Planting technology and management of Toona sinensis in greenhouse

Fourth, timely harvesting

When the buds of Toona sinensis grow to about 20 cm, they can be harvested. When harvesting, they should be cut off with scissors. It is best not to break them by hand to avoid damaging the buds. Harvest once every 7 to 10 days, and * * * can harvest 4 to 5 times.