There are a large number of animal breeds and the reproductive methods used vary according to the variety and cultivation purposes. A single petal, abundant seed, well-developed roots, thick roots, high yield, good quality and multiplication of seeds. For the purpose of watching, the police in the mountains of hazawa, etc., are large and beautiful in petals, uncathed in seeds, and tend to reproduce with sexual procreation。
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In july and august, when the fruit appears in crab yellow, it is picked in batches, spreads in the indoor cold-tide wetlands, often flipping, waiting for most of the shells to crack, sifts seeds, and selects the abundant seed to sow immediately. If seeding cannot be done in a timely manner, wet sand layered into the shade. Before seeding, the shandong region impregnated fresh seeds with 50°c warm water for 24-30 hours, making the skin softened, inflating and easy to grow. There are also areas where a 2-4 hour leaching with cactin (25ppm) can increase the growth rate and contribute to the growth of seedlings. Cultivated seedlings were broadcast on or on-demand between mid-august and early september. (b) a strip, with a 25-cm line-by-line horizontal opening of ditches, with a depth of 5 cm, spreading about 10 cm, with 100-150 seeds mixed with wet grass and wood ash per ditch, followed by 3 cm of thin soil and, finally, grass. 30-50 kg per acre. On-demand, 30 cm long, 20 cm long, burrow-deep, 4-6 cm deep, flat base, fertilized human and animal dung in the cave, and then spread 4-5 seed seeds in each den, approximately 4 cm thick in fine soil and around 4 cm thick in grass to prevent cold and wet. The seed rate per acre is about 50 kg. In case of drought, care should be taken to water the water。
If properly managed, the seedling will be released in the second year. It's not until the third year until the tiny ones move. The seedlings were planted in september-october of the second year, and the seedlings were planted separately for management purposes. On the well-placed ground, caves are laid at a distance of 40 x 50 cm, 20 cm deep, 20 to 25 cm long, high and low slopes, and from high to low. When the base is flattened, one or two saplings are planted in each of the caves, and the plume is raised up slightly, so that the roots are bound to the ground, then the soil is slightly above the plume, and it is light. The anhui copper mausoleum then put on bread fat or human urine and then covered the soil. When shifting plants, be careful to stretch and not curl. Each acre can plant 3,000-5,000 dens. 2. Separated reproduction is more likely to be done in the case of sexless reproduction, which is based on three years of life. During the harvest, the whole range of the field is dug up, the earth is shaken, the shape of natural growth is followed by a knife separated from the root. The number of separate strains varies depending on the size of the whole plant, with two to three sprouts per plant. The planting should be carried out after a small rain shower, with denting at a distance of 66 centimetres each and planting with seedlings. In addition, wedging, interpolation and reproduction are available, and are used to observe the skins of the police。
Pest and pest control: 1, pathological leaf spectrum: the disease's tubers and leaves are the source of the disease. It often occurs in spring and summer, mainly to the detriment of leaves, tubers and leaves. Methods of prevention and treatment: diseased tubs and leaves are found, timely cutting and clean-up of fallows is concentrated and burned; before and after the onset of the disease, 1 :1 :100 poldo acid is sprayed once every 10 days, several times in a row. Oysterosis: the disease is a source of disease. Most occur in april-may, when the weather rains, warm and wet, or when the ground is low, with the main damage to the leaves and severe disease in june-august. Methods of prevention and control: after harvest, central burning of sick leaves; selection of dry and well-drained land for high-level planting; initial spraying of pyrophagus of 0. 3-0. 4 degrees or 97 per cent of sodium dichloride 400 times, 7-10 days, multiple times. Bacillus nuclei: soils with fungi nuclei are a source of infection. In the spring, most of the disease occurred in the tubers and leaves. It can occur from the very beginning of the nursery to the puerperium. Prevention and treatment methods: rotation with grain crops; drainage of ditches, reduction of humidity and reduction of disease in times of spring rains; early detection of strains, excavation of soil, sterilisation of pits with lime, and spraying of 50 per cent of tobuzin 1,000 times more fluids when necessary. Pyramid leprosy: the soil with the disease, the fertilizer, is the source of the disease, especially when it is preceded by potatoes and soybeans. Before and after flowering, high temperatures and high rainy seasons caused disease in the roots and roots. Prevention and treatment methods: rotation with grasshoppers is not appropriate with root medicinal plants and crops such as potatoes, peanuts and mussels; 50 per cent of the seeding takes place with a 1,000-fold tobuzin immersion seedling; the pathological strain is found to have been dug out and burned, and the disease is sterilized with lime. Root diseases: infested or seedlings in the soil are the source of the disease. Main damage to roots. During the rainy season, the disease was severed, and as the disease increased, it all died. Method of prevention and treatment: co-morbid nuclear disease control. Pests 2 pests: larvae for copper green gold turtles. Throughout the year, the hazards were serious in may-september. Harming the root, gnawing into emptied holes or fractures, causing the deterioration or death of parts of the ground and seriously affecting production and quality. Methods of prevention and control: morning seedlings and strains will be taken apart; lights will lead to insects; roots will be filled with 50 per cent thiophos-methyl cream or 90 per cent trichlorfon 1000-1,500 times the fluid; 3 per cent of furan granule agent will be 2 kg per acre and humid fine soil will be 20-50 kg; combined grass-planting will be spread along the grass. Little tiger: also known as the "twilight" is a food-intensive underground pest. In the spring and autumn seasons, which are generally the worst-affected, seedlings are often cut off from the ground or gnawed from unearthed seedlings, resulting in a shortage of seedlings. Prevention and treatment methods: by daybreak, by hand, in the vicinity of the scavenging seedlings; in the early larvae, with 98 per cent of trichlorfon crystals or 50 per cent of thiophos-methyl emulsifiable cream, with 1,000 times the spray; at the larvae age stage, with bait, with 98 per cent of trichlorfon crystals or 50 per cent of thiophos-methyl emulsated 100-150 g per acre in 3-5 kg of water, sprayed on 15-20 kg of shredded grass or other green fats, mixed by spraying and scattered around the seedlings at night. Drillworms: most of them occur in the spring, where they lay eggs in the root, and when they hatch, the larvae enter the root, gradually eat up, the light leaves are yellow and the heavy ones die. Methods of prevention and control: felled strains, broken roots and killed insects; over 80 per cent of trichlorfon sprayed 800-1,000 times, or 2. 5 per cent trichlorfon powder per acre. Termites: the termites are often lured by the application of pie fattening, the root skins are eaten, the buds are injured and the leaves are yellow. Method of prevention: no contact with the root of the pie before the termite comes out of the hole; use of new tea cake water or 50% of the thiophos-methyl rinsed root 200-500 times。
