How can chrysanthemum be planted with high yield?

How can the cultivation of Artemisia annua be high-yielding? What should I pay attention to? Also ask experienced netizens to help introduce the planting of chrysanthemum chrysanthemum in order to achieve high yield, it is necessary to understand the growth habits of chrysanthemum, strengthen from the management, the planting network sorted out four points that need to be paid attention to, listed below for netizens' reference. Pay attention to first, temperature management: chrysanthemum likes cold, cool and humid climate conditions, is a semi-cold-tolerant vegetables, not resistant to high temperature. The suitable temperature for growth was 17-20 ℃, the growth was poor over 29 ℃, and the number of leaves was small and thin. Therefore, high temperature in summer is often an important reason for the failure of chrysanthemum planting. If you want chrysanthemum to grow well and have a high yield, you must lower the temperature to its suitable temperature range. Generally, the cooling methods include covering the sunshade net and so on. However, it is not suitable to cool down when the temperature is high at noon. Watering and cooling when the ground temperature is too high will often lead to root injury of chrysanthemum and prone to dead seedlings. Note 2. The planting spacing of Artemisia annua: Artemisia annua is easy to grow and the stem is thin and weak under the condition of too dense planting, too small temperature difference and too frequent fertilizer and water, which often leads to lodging in high humidity environment. The lodging of Artemisia annua will not only affect the yield, but also make the lower part of the plant impervious, causing rotten leaves and reducing the commerciality of Artemisia annua. Therefore, measures must be taken in advance to prevent chrysanthemum from growing and lodging. Chrysanthemum chrysanthemum can be watered for the second time to keep the plant spacing at about 2-3 cm, or foliar fertilizer can be sprayed. Pay attention to timely drainage to prevent flooding: there are more Rain Water in summer, Rain Water often leads to rotten roots and dead trees of Artemisia annua, seriously affecting the yield of Artemisia annua, so it is necessary to strictly prevent Rain Water from entering the Artemisia annua field when it rains. Once you enter Rain Water, it is necessary to drain water in time and water it again with well water to prevent the occurrence of dead trees. Pay attention to fourth, timely prevention and control of diseases and insect pests: leaves are an important index to determine the commercial level of Artemisia annua. In order to protect leaves, we must first do a good job in disease prevention in management. Phytophthora blight and downy mildew are the main diseases leading to rotten leaves and yellow leaves of Artemisia annua. At the same time, pay attention to the control of Plutella xylostella, beet armyworm, Spodoptera litura and so on. Click to get more chrysanthemum planting techniques click to get more vegetable planting techniques