Black leaf algae [artificial cultivation techniques] Rotary Black Algae Note: Face Mask,Non Woven Face Mask,Disposable Face Mask,Pm 2.5 Dust Face Mask ShaoXing SurgeCare Medical Products Co., Ltd. , https://www.sxsurgecaremedical.com
A single point of planting and propagation of verticillata is a "pseudo-apical" plant with only adventitious roots. In the 4th to 8th of each year, it is in the vegetative stage. After 3 days, the roots can be rooted to form new plants. 2 vegetative transplanting generally before and after the rain, the pond water drained, leaving the bottom mud 10 to 15 cm, will grow to 15 cm long section of the black algae cut into 8 cm section, 30-50 kg per acre uniform spray , so that the stem section is immersed in the mud, and then add the pond water to 15 cm deep. After about 20 days, the whole pond is covered with new turf black algae, and the water can be added to 30 cm. Afterwards, the pool water is gradually deepened so that water plants will not appear on the water surface. In the initial stage of transplanting, the water should be kept fresh, dry water should not be used, and chemical fertilizers should not be used. If moss grows, kill it with a "mosquito-killing" medicine.
3 Planting of buds The annual period of December to March of the following year is the sowing time of the black-green algae sprouts. Sunny day sowing should be selected. Before the sowing, the fresh water should be filled with 10 cm of fresh water, and the amount of 500-1000 grams per mu should be used. Rows, spacing 50 cm, 3 to 5 buds into the mud, or spread the mud. When the water temperature rises to 15°C, germination begins within 5 to 10 days and the emergence rate reaches 95%.
1 The choice of buds buds: Buds grow 1 to 1.2 cm in length, diameter 0.4 to 0.5 cm, 3500 to 4000 grains per 500 grams, buds are hard and full, green and green.
2 Before planting, use polyethylene mesh or white-membrane fence to separate the buds from the crabs. When the buds grow and grow, and the plants are full, remove the fence facilities and let the crabs enter the grass.
3 The amount of crabs per acre should be below 1000.
4 Planting of the whole plant From May to August every year, the black-leaf algae in the natural waters has grown to 40-60 cm, and once the grass is 100-200 kg per acre, some crabs feed directly and some of them Must live with mud. In terms of water quality management, the water depth during the day and the shallow water at night reduce the amount of herbivorous crabs and promote the production of fibrous roots.