When the seedling grows to a certain height, the stem tip is removed by hand from the sixth quarter to the base. There are four kinds of topping methods commonly used in production: (2) Half-single topping: When the original stems are single-plucked and the collaterals are extended to long enough, there will be half of the lateral branches on each plant and then pick up the hearts. (3) Double topping: After the main stem has been picked up, when the lateral branches grow to be long enough, the side branches will be plucked again. (4) Single picking and punching: The start is a normal single picking. When the side branches grow to longer than the normal picking length, the shooting is performed (ie, the longer shoots are removed). Soilless cultivation: (1) The matrix is ​​perlite. (2) Rehydration twice a week. (3) See the dry watering of the surface perlite.
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(1) Single topping: Only the tip of the stem of the plant was removed.
The flowering period of carnation is usually measured in the following aspects:
From April to June, it stopped picking the heart, and the flowering period lasted about 80 to 95 days after the last topping. In mid-July, topping up was stopped. The flowering period occurred about 120 days after the last topping. In mid-August, topping up was stopped. The flowering period lasted 180 days after the last topping. 
