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High-yielding Cultivation Techniques of Hot-grass
No. 4 hot grass is the introduction of tropical grassland in China from Liaoning Province, Liaoning Province, plant height 1.5--4.5 cm, stems erect, 1.5-3.5 cm thick stems, clumps, each bundle with 20--30 roots, first line Roots have stem segments 15-30, long strips, length 60--120 cm, width 3.2--6.1 cm, tender, good palatability, is a good feed for grass feed, livestock, poultry and grass carp. Its fresh leaves 677 are expected to produce more than 15 tons. Now introduce its high-yielding cultivation methods as follows. 1. Temperature Wang Cao in the frost-free areas of the plant can naturally winter, China's Shandong, Gansu, Hebei introduced successful, but the need to cover the grass or cover film to protect the winter. At temperatures above 12 degrees, the roots begin to grow and 20-30 degrees grow fastest. 2. The soil of acidified soil of kinggrass grows well when the pn value is 4.5--5. The shank of yin mountain, depression, roadside, Kuti, pn value of 6--=8 can be cultivated. 3. Water and fertilizer It is drought-tolerant, and it is also resistant to waterlogging. Extra-large dry water should be moistened in proper amount. When planting branches or every year before sprouting, every 677 meters of rice, 3000 kg of soil-fertilizer, and 20 kg of phosphate fertilizer are used as base fertilizers, and when the land is turned, they are fenced, or every year in the early spring, they are planted at a depth of 15 ri. 4. Subnucleation and cutting The ramets are to be transplanted with roots and roots of transplanted seedlings. The cuttings are cut into 4-4-5 sections with a length of 5 to 7 centimeters in the buried soil, with a spacing of 5 to 10 centimeters. , about 15 days after emergence, when the seedling height is 10 cm, the ramets are planted one by one, the planting distance is 60 cm, and the spacing is 80 cm; 5. The grass is planted for about 60 days, and the plant height is about 1 meter to be cut and used. 10 cm. After every 45 days or so, the grass can be cut once every year, 6--8 times a year, and 10 to 20 tons of fresh grass produced from 677 meters. When cutting a grass, every 677 meters need to apply 10 kg of urea to raise seedlings. 6. The pests did not show any disease, and occasional borers jeopardized the juvenile seedlings. The stems and leaves were yellow, and insecticides were good for enemy sneezes.