1. Description of technical methods: Suitable alfalfa varieties are Algonquin and Gannon No. 1 hybrids, the former is best for oats, barley, barley, rapeseed and other dense planting crops, intensive cultivation before sowing, adding fertilizer. Seed sowing in early May, deep sowing, shallow cover soil, and autumn sowing method. Row spacing 30-40 cm, ditch depth 10-15 cm, sowing volume 2.5-3.0 kg / acre, sowing depth of 2 cm or so, covering a little soil, before the winter will be a piece of land flattened, equivalent to before the winter to cover the earth, so that the roots In-depth underground to reduce freezing damage. Due to the slow growth of seedlings in the seeding year, they reached the branching stage or budding stage, and the weeds had to be removed when the plant height was about 10 cm, and weeding after the weeding could be used to treat the decomposed livestock manure (1.5-2.5 tons/mu) or A small amount of phosphate fertilizer (superphosphate 20.0-30.0 kg/mu or diammonium phosphate 5.0-10.0 kg/mu) was used as a base fertilizer, which greatly promoted the growth of seedlings. The seedlings were not castrated in the same year, and they were castrated from the beginning of the second year. The height of the sturgeon was about 5 cm, and the regenerating grass was dried and used for grazing. Pouring winter water before freezing can significantly increase the wintering rate.
2. Advantages: long service life, high grass production, excellent grass quality, high nutritional value, all kinds of livestock and poultry are fond of food.
3. Disadvantages: The cost of labor input is high and the process is troublesome. When grazing on a single grassland, ruminants may develop bloated disease due to overfeeding.
4. Note: The serious damage caused by weeds in the year of sowing, and timely weed removal is a key measure in field management.
5. Others: In areas with higher temperatures, it is more appropriate to use gold queens, kings, giants 201, Xinjiang big leaves and other varieties.
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