Use of ice grass
Environmental value
It has special characteristics such as drought resistance, cold tolerance, grazing resistance, and high yield. It plays an important role in reseeding grazing land and establishing artificial grassland on dry land. Because the roots of the grass are whisker-like, dense, sand-covered and deep-seated, it is also a good soil and water conservation plant and sand-fixing plant.
Feed effect
Natural ice grass rarely forms simple vegetation and is often mixed with other grasses, bryophytes, non-grass plants, and shrubs. Due to good quality, rich nutrition, good palatability, all kinds of livestock are fond of eating;
Because of the early return to green, it is possible to provide green fodder for grazing livestock earlier. It has special characteristics such as drought resistance, cold tolerance, grazing resistance, and high yield. It plays an important role in reseeding grazing land and establishing artificial grassland on dry land.
Ice grass is a good pasture. When fresh and fresh, horses and sheep are the most favorite. Cows and camels also like food. The nutritional value is very good. It is a medium fattening feed.
Use value
The grass and grass are soft and have high nutritional value. Horses and sheep are most fond of food when young, and cattle and camels also like food. Feeding ruminant livestock with ice grass, the digestibility and digestible nutrients are also higher. It is an excellent natural pasture in the arid grassland. Its seed yield is high, easy to collect, and its germination power is quite strong. Therefore, many places have been introduced and cultivated, and become important cultivated pastures, both grazing and mowing. Single or mixed with leguminous forage, can produce 1,500 kg of hay per hectare, the highest can produce 1999.5 kg. Winter branches and leaves are not easy to fall off and can still be grazing.
Ice grass culture background
Application prospect
Agropyron is a perennial herb of Gramineae, widely distributed in grassland areas of China and Eurasia. This kind of plant has the characteristics of drought resistance, cold tolerance, thinness resistance, extensive management, strong adaptability and nutrient-rich. It is an excellent Forage grass is also an important dry grass species for turfgrass. The selection of water-saving drought-tolerant turfgrass species is the mainstream direction of turf development in the future.
1. Ice grass can be used for turf establishment. According to the botany traits of the tested varieties, the turf used for turfgrass is divided into two categories: ornamental lawn landscaping and solid soil lawn slope protection, and barren hill greening. Using the 8 indicators of turf evaluation, the comprehensive evaluation results are blue-stem grass, stalk, and high-ice grass, which are the main choices of ornamental turf. The grass species are blue-stem grass, sand-snow grass, and flat-ear grass are solid. The main choice of soil turf is mid-grass green period of up to 310 days, but the landscape is poor, can be used for low-grade turf and general ground cover. In practice, suitable grass species should be selected for different turf types.
2. the ice grass used in the lawn, suitable for the arid and semi-arid regions of western China, the average annual temperature of 9 ° C or more, the annual natural precipitation of less than 350 mm of the typical grassland, the cost of planting is 12 regular water demand for conventional lawn 17 %, water-saving amount of 83% blue stems and ice grass planted in Lanzhou area can be free of irrigation, no pests and diseases were found in the test.
3. The land preparation of the ice grass lawn is rough and flat, the seeding amount is 37.5~45.0kghm<'2>, the seeding depth is 2~3cm, the cutting height is 4~5cm, the cutting frequency is 20 days, and the water supply period is 15 days in summer. 30 days in spring and autumn.
4. Drought experiments showed that the drought tolerance of Agropyron was very strong, and the drought tolerance was higher than that of the control varieties. The experimental analysis and 7 photos of drought tolerance indicators such as height, root-shoot ratio, and relative water content were carried out. Compared with the species, the stalks, the stalks, the stalks, the stalks, the stalks, the stalks, the stalks, the stalks, the stalks, the stalks, the stalks
5. The genus Agropyron has strong roots and rhizome seedlings. The root distribution of the roots and branches is extremely extensible and encroaching. It is the first choice for the barren hills greening and the mainline of soil consolidation in the typical grassland zone in the arid and semi-arid regions of western China. There is great potential and broad application prospects in ecological construction.
