How should Artemisia annua be planted?
How should Artemisia annua be planted? Planting methods of Artemisia annua L.
Despite the fact that chrysanthemum is so common in our lives nowadays, it can only be enjoyed by emperors in ancient times, so it is also called "emperor cuisine". We have known the planting method of chrysanthemum seed before, so let's learn about the planting method of chrysanthemum now.
1. Suitable time seedlings: Artemisia annua can emerge after sowing for about a week, and when the seedlings grow to 2 or 3 true leaves, the seedlings are directly used to pull up the seedlings with high density, and the row spacing is about 4 ~ 6 centimeters, which will affect the yield.
2. Transplanting method: Artemisia annua seedlings should be raised with a sickle when transplanting, put into a prepared basin, then transplant to the whole field, the row spacing is about 4cm, then irrigate once with water, and apply nitrogen fertilizer 20 days after transplanting.
3. Water management: Artemisia annua planting should pay attention to water management. Due to the low temperature in winter and spring, watering should be properly controlled after emergence to prevent the occurrence of quenching disease and downy mildew, and should be watered according to the seedling condition, usually once every 7-8 days.
4. Reasonable topdressing: when the chrysanthemum seedlings grow to 10 cm, the seedlings are topdressing once, and then each time after harvest, the available nitrogen fertilizer is applied twice with water during the growth period, and urea is used for about 15 kg per mu.
5. Harvest: when the chrysanthemum plant is about 20 cm high and has 12 or 13 true leaves, it should not be too late so as not to affect the quality. when harvesting, you can use a sharp knife to leave 2 or 3 leaves at the base of the stem, pick off the yellow leaves and tie them into small handfuls for sale.
[editor's summary] the above is the planting method of chrysanthemum, I hope it can be helpful to everyone. Artemisia annua L. is a kind of vegetable with high nutritional value, which can be eaten more at ordinary times.
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