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I. Selection of high-quality, high-yield pasture varieties The introduced pasture varieties must be adaptable, nutrient-rich, and high-yield. It is impossible to introduce natural grass species that grow naturally in pastures and meadows, and to prevent the introduction of wild grass species that are harmful to ecology and inferior in quality, such as hollow lotus, Eupatorium adenophorum, aircraft grass, and ragweed.
Second, according to local conditions to select species of pasture must choose suitable for local climatic conditions, soil conditions of pasture species cultivation. The test species proved that the chicory and ryegrass are suitable for the cultivation of goats and white geese in the western Yunnan region. Generally, they produce 8000 kilograms of fresh grass per year.
Third, a reasonable mix of planting species should be based on the type and number of animals kept, according to the length of the combination of the principle of reasonable supply of grass throughout the year, a variety of planned selection of pasture with planting.
Fourth, scientific planting First of all, to apply base fertilizer, the general requirements of per acre applied to mature livestock manure 3000 to 5000 kg. Secondly, after the ploughing, the land should be finely leveled and the seed germination rate must be measured to determine the seeding rate per mu. Third, according to different pasture varieties and seasons of grass production, etc., a reasonable time sowing. Perennial forage is most suitable for autumn sowing, spring sowing and summer sowing is the next; annual pasture is suitable for spring sowing.
Fifth, timely planting of grassland for animal husbandry should not be grazing animals. The optimal period for cutting is generally from the heading stage to the flowering stage of grasses, and from the flowering stage to the flowering stage of leguminous pastures. (Lixian Army, Agricultural Technology Station, Wuxian Town, Shucheng County)
Herbage Science
The development of animal husbandry and pasturage can not only improve the performance of meat produced by herbivores (producing milk), but also reduce feed costs. It is also one of the important measures for the production of safe livestock products. To grow grass and raise livestock, we must master the following technical aspects: