What are the latest key points to note when growing Panax notoginseng?
Panax notoginseng is a traditional Chinese medicinal herb in our country. It can tonify qi and blood and boost the human immune system. It is a Chinese herbal medicine with high medicinal value, and it is also a common medicinal food. In daily life it is often used to make tea or simmer soup, and the taste is excellent. At present, many regions in our country grow it, so what should be noted when planting Panax notoginseng? Let's take a look at the detailed introduction.
1. Growing environment
Panax notoginseng is a shade-loving plant. It likes an environment that is warm in winter and cool in summer, and fears severe cold and intense heat. It likes a humid environment, but fears waterlogging. The suitable soil moisture content is between 20% and 40%. When planting, pay attention to temperature changes. In summer it must not be higher than 35 degrees. Once the temperature is too high, at best growth will slow or stall, and at worst the plant will wilt and die; in winter the temperature must not be lower than minus 5 degrees, otherwise frost damage will occur. It grows best in an environment of 18-25 degrees.
2. Land preparation and fertilization
Panax notoginseng is not strict about soil and has strong adaptability, but loose, fertile, well-drained sandy loam is ideal. It must never be planted on plots that are fairly clayey or low-lying and prone to waterlogging. It also should not be continuously cropped, and the soil pH is best between 4.5 and 8. To promote the growth and development of the Panax notoginseng root system, before planting, deep-plow the soil and disinfect and sterilize the soil, and at the same time apply 5000 kg of fully decomposed farmyard manure per mu as base fertilizer to maintain soil fertility.
3. Seedling-stage management
What needs attention in seedling-stage management is water management and weeding. When the climate is dry, appropriately increase watering, generally once a week. In rainy weather, reduce the amount, and also pay attention to water accumulation in the field. If water accumulates, drain it to reduce humidity, so as to avoid root rot. Next is regular weeding. To avoid harming Panax notoginseng, it is best to choose manual weeding and not use pesticides, so as to avoid pesticide residues that affect yield.
4. Pest and disease control
Panax notoginseng has many pests and diseases. Common ones include damping-off disease, root rot disease, and aphids. These diseases mainly occur in high-temperature, high-humidity environments, so in daily management be sure to pay attention to field humidity and maintain field air permeability. When disease is found, promptly spray chlorothalonil or Bordeaux mixture for control. When insect pests appear, spray dimethoate emulsion for control.
The above is an introduction to the key points to note when growing Panax notoginseng. We hope it can help you. If you want to learn more related knowledge, please keep following us.