Detailed Explanation of Key Management Techniques for Winter Planting of Panax notoginseng
Panax notoginseng, also called Tianqi, is a bulk medicinal herb with very common functions. Nowadays many medicinal herbs can be planted in winter, so Panax notoginseng is no exception, and when planted in winter it basically has no pests, so many herb growers relax their field management of Panax notoginseng. In fact, field management of Panax notoginseng in winter is very important. If it is not managed well, the yield and quality will be very low, so winter planting management must be done well. So how should Panax notoginseng be managed in winter? Now let the editor briefly introduce it to you.
1. Cutting back the stems and leaves and retaining the plants
Many Panax notoginseng growers do not really understand cutting back and retaining plants. In fact, cutting back means that after entering winter, the stems and leaves of Panax notoginseng above the ground should be pruned clean, while retaining plants means scientifically deciding whether to keep or remove Panax notoginseng plants according to their growth and disease conditions. For cutting back, we must note that it must be pruned clean before the Spring Festival, and the pruned stems and leaves must be taken out of the Panax notoginseng field and disposed of cleanly. Never leave them near the Panax notoginseng field, or burn them and then use them as fertilizer, as this will reduce the yield and quality of Panax notoginseng.
2. Repairing the greenhouse
Repairing the greenhouse is very necessary. As long as it is not a greenhouse just built in winter, it generally needs to be repaired. First, we need to observe whether the greenhouse has leaks, whether the wooden stakes are damaged, and so on. Then, according to the specific condition of the greenhouse, install new materials in places where rain leaks, wind leaks, or the plastic has deteriorated, and rebuild the broken or collapsed wooden stakes in the field. Ensure the safety, ventilation and warmth retention of the field greenhouse.
3. Orchard cleaning management
Winter orchard cleaning management is a very critical step. We need to clear weeds, dry grass, fallen leaves and pruned stems and leaves from the Panax notoginseng field and destroy them in a centralized way. Then, in order to prevent the spread of pests and diseases in the field, a comprehensive disinfection should be carried out after cleaning. Generally, disinfection is carried out about once every half month, so that pests in the coming year will also be greatly reduced, thereby lowering the difficulty of field operations in the coming year and improving the yield and quality of Panax notoginseng. Disinfection is mainly done by spraying carbendazim, and all areas must be sprayed thoroughly.
4. Heat preservation and moisture retention
Winter weather is relatively cold. Although Panax notoginseng has a certain degree of cold resistance, measures to keep it warm are still needed to prevent it from being damaged by frost and affecting the yield of the coming year. So at this time, repairing the greenhouse becomes very important. We
only need to close the doors and windows of the greenhouse and cover it with a layer of plastic film for heat preservation. In this way, the heat preservation effect is very good. In winter, the soil is relatively dry. Although we need less water in winter, this does not mean no water is needed, so we should water appropriately according to the degree of soil cracking, so as to ensure the seedling emergence rate of Panax notoginseng in the coming year.
5. Scientific topdressing
After cleaning the field and disinfecting it, we should promptly apply a bud-covering fertilizer once, so as to prevent buds and seedlings from frost injury or pest damage. Bud-covering fertilizer is mainly composed of burnt soil and barnyard manure. After fermentation and decomposition, it is evenly scattered in the field, and a layer of dry grass also needs to be covered on top, which can play a role in heat preservation and moisture retention. Finally, around the Spring Festival, we need to apply a topdressing of clear manure water once to enhance soil fertility, which can improve its drought resistance.
The above is the summary prepared by the editor of the key points of management techniques for winter planting of Panax notoginseng. If you still want to learn more about Panax notoginseng cultivation, remember to follow us.