Fertilizer management
Kale is a plant that requires fertilizer and water, so the choice of medium for planting is very important. Generally used loose, breathable, water, fertilizer to maintain a mixture of several media. Chicken manure and other organic fertilizers can be properly added to the matrix as base fertilizer. During the growing season, 200 ppm of 20:10:20 fertilizer is generally selected and applied once every 7 days.
[Edit this paragraph] sowing nursery
Kale can be hydroponic for an annual anniversary and is listed on the anniversary. However, low temperatures can easily cause convulsions and flowering. Therefore, in the northern regions, it is generally scheduled for 2 years in 1 year, 1 in February, and 1 in August.
1. Preparation before sowing Kale preparation before sowing is almost the same as hydroponic lettuce; the difference is in the middle of a small 3cm square sponge with a knife to cut a cross 1cm wide and 1cm deep, and seeds are sowed into it. .
2. Soak seeds with water for 8-24 hours.
3. Seeding kale seeds with enough water to sow in a cross cut in a sponge block, sowing 2 seeds each. Then add sufficient water to the seedlings so that the water is immersed in the surface of the sponge.
4. When the temperature is right, the seedlings can be released in 2-3 days, and the seedlings can be planted in about 10 days. Only 1 plantlet is left on each sponge, and the rest are removed.
5. After pouring the nutrient solution, the seedlings in the seedling plate are drained, the net is controlled, and then EC2 is poured. Oms/cm nutrient solution, so that the depth of the nutrient solution in the seedling plate is the same as the surface of the sponge.