The seedbed should be a field with sunny ventilation, fertile soil and convenient irrigation and drainage. The whole bed should be carefully cultivated, with the border length of 2250px and 667 square meters of decomposed chicken manure or cow dung 1, 500-2,000 kg, and mixed rice husk ash 1, 000 kg, which should be fully stirred and applied to the seedbed during soil preparation.

After that, calcium magnesium phosphate fertilizer 100- 150kg was applied, and it was fully stirred with a hoe, and the topsoil was applied to a depth of 4- 125px. Then sow seeds in the seedbed according to the row spacing of 75px, water them, and spray carbendazim 500 times 10 times every time.

Extended data

Breeding mode

Cutting propagation. Generally, the branches and stems of large flowers per plant are first taken for propagation. Cut a 30 cm long stem from the selected plant and leave it in the shade for about a week. After the wound is healed, it can be cut. It can be done all year round. But spring is the most suitable. Before planting, dig a planting pit with a row spacing of 3x4m, a diameter of 30cm and a depth of 30cm.

In each pit, appropriate amount of cooked pig, cow dung, plant ash or 0.25 kg of phosphate fertilizer and 3 kg of organic matter are mixed as base fertilizer. After mixing the base fertilizer with soil, backfill the pit to make a mound about 20 cm above the ground.

When planting, the stem section should not be in direct contact with the soil, but should be placed obliquely on the culture medium made of organic fiber mixed with gravel, sawdust, bagasse or straw. Each pit is filled with gravel and 1-2.5 kg organic fiber medium. When planting, 2-3 branches are evenly distributed in each pit.

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