Raised and Transplanted Preparation of Chinese Roses in Greenhouse
This article focuses on the cultivation of green plants and flowers for the preparation and transplantation of Chinese roses in greenhouses. Let's follow the editor to explore the specific content!
Raised and Transplanted Preparation of Chinese Roses in Greenhouse
Timely transplantation has a significant effect on the early maturity and economic benefits of Chinese roses. The transplantation period is closely related to the soil temperature in the greenhouse at that time. Therefore, the transplantation periods vary from region to region. In the middle and lower reaches of the Yangtze River, it is in the first and second ten-day periods of March, in the North China region in the last ten-day period of March, and in the cold regions of the Northwest and Northeast in the first and second ten-day periods of April.
①Timely transplantation has a significant effect on the early maturity and economic benefits of Chinese roses. The transplantation period is closely related to the soil temperature in the greenhouse at that time. Therefore, the transplantation periods vary from region to region, as mentioned above. Since the temperature is relatively low when transplanting in the greenhouse, it is better to cover the greenhouse as early as possible. The higher the soil temperature, the shorter the period for the plants to recover, and the greenhouse can be covered 60 days before transplantation.
②Chinese roses are fertilization-loving crops. After the harvest of the previous crop in the greenhouse, it is necessary to deeply turn the soil by 20 centimeters and apply a large amount of base fertilizer. The base fertilizer mainly consists of organic fertilizers such as pig, cattle, sheep, and chicken manure. Generally, for every 667 square meters, 3000 to 5000 kilograms of soil mixture fertilizer, 2500 to 3000 kilograms of chicken manure and other organic fertilizers, 100 kilograms of diammonium phosphate, and 50 kilograms of potassium sulfate are applied. First, 2/3 of the fertilizers are scattered during the soil turning, then level the ground, make ridges with a spacing of 1 meter, 20 centimeters high and 70 centimeters wide in the shape of a turtle's back, and apply the remaining 1/3 of the base fertilizer at the bottom of the ridge. Irrigate once with water, let it dry in the sun, and then cover with plastic film. Generally, only plastic film is laid on the high ridges in the greenhouse, but sometimes a small棚 is added in the short term after transplantation to keep warm, promote recovery, and accelerate the growth of the seedlings. To make full use of sunlight, the ridges in the greenhouse running from south to north are made along the direction of the greenhouse, while the ridges in the greenhouse running from east to west are made across the direction of the greenhouse.
③In greenhouse cultivation, one row of plants is planted in each ridge. The spacing between plants is 33 centimeters when single-stem pruning is done, and 40 to 45 centimeters when double-stem pruning is done. Before planting, make holes in the center of the high ridge at the plant spacing, fill the holes with water, then put the seedlings in, try to keep the soil around the seedlings to protect the roots, wait for the water to seep in, fill the holes with soil, and cover the surface with a layer of fine soil to keep moisture and prevent compaction. The surface of the pots after transplantation should be level with the ground, not too low (low ground temperature affects root development) or too high (root soil easily dries out). After transplantation, clean the soil on the plastic film to fully utilize its light transmission and warming effect. It is best to choose a sunny morning at the end of the cold and the beginning of the warm for transplantation. If a small棚 is covered, it should be set up on the same day as the transplantation.
④After the seedlings are transplanted, it takes 3 to 5 days for them to recover normal growth, sometimes without a distinct recovery period. If the seedlings are in a state of growth arrest for a long time after transplantation, they will form僵苗 (stunted seedlings). The reasons for僵苗 formation include: early transplantation of seedlings, low air temperature, soil temperature long-term below 15℃, which can easily cause root rot, and appropriate heating should be done in time; soil moisture is not suitable for seedlings, too much or too little moisture is not good for recovery and growth, and corresponding measures should be taken according to the specific situation. If waterlogged, more tillage and drainage should be done to prevent waterlogging; if dry, water should be sprinkled several times; if the seedlings are diseased, the soil preparation is poor, and the transplantation operation is rough, it may cause the seedlings to become ill.
以上 introduced the detailed introduction of the preparation and transplantation of Chinese roses in greenhouses, do you know now?