The latest course of soilless cultivation techniques and methods of asparagus
With the progress of science and technology, agricultural planting technology is also developing, of which the most characteristic is soilless cultivation technology, which can not only save planting costs, but also achieve the effect of high yield and high yield. So how to grow asparagus without cultivation techniques? Let's take a look at the soilless cultivation techniques of asparagus.
1. Planting preparation
Soilless cultivation is different from the traditional planting method, it needs special planting equipment-cultivation trough, which can be purchased directly or built by ourselves. generally, the cultivation trough is high 30cm and wide 50cm. Another important thing is the deployment of the cultivation substrate, which can be mixed with daily cinder or slag mixed with chicken manure, ternary compound fertilizer and organic fertilizer. When installing the trough, the bottom of the trough is now covered with a layer of 5cm thick sand, and then fill in the prepared matrix, fill the matrix, be careful not to be too tight, be of the same thickness, pour thoroughly with water, wait for the water to seep completely, and cover the film for half a month, then you can plant.
2. Sowing and raising seedlings
In order to ensure the germination rate before sowing, the seeds were treated first, soaked in warm water within 60 degrees for half an hour, then soaked in clean water for 24 hours, and then wrapped in a wet gauze to accelerate germination in the greenhouse. Open and rinse with warm water once a day, wait for the seeds to whiten and then sow. Select the matrix with good permeability when sowing, cover a layer of sand and gravel after sowing, then cover with film to keep warm and moisturizing, maintain the temperature at about 25 degrees Celsius, about half a month, and remove the film in time after emergence to increase permeability. When the seedlings grow to 12cm or so, they can be planted.
3. Colonization
The row spacing of the planting control plant is about 15 × 15, and the time and climate should be paid attention to when planting, usually in the afternoon, keeping in mind that the sun is at its maximum at noon and the weather is cloudy and rainy. Before planting, the cultivation substrate will be watered once, and after the water permeates, the seedlings will be planted, and the 2-3 stem nodes of the seedlings can be buried deeply.
4. Management
Asparagus is a vegetable that can be harvested many times a year. In order to make it grow rapidly after harvest, it is generally necessary to apply base fertilizer after harvest to ensure the nutrients needed for its growth. Urea can be applied after harvest, and there is a large amount of water storage when planting asparagus, so water should be watered frequently and watered thoroughly. Soilless cultivation of asparagus has fewer diseases and insect pests, but we should still pay attention to pest control.
The above is the soilless cultivation technology of asparagus brought by the pro-agricultural network, soilless cultivation is a new planting technology, especially suitable for families in the city to grow vegetables, hope to help you, more agricultural knowledge, please pay attention to the pro-agricultural network.
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