Technical points of grass raising sheep
Planting pasture is just like growing crops such as wheat, rice, and corn. To ensure the stable and high yield of pasture, scientific cultivation techniques must be used. Now we will introduce the technical points of farmer raising grass and raising sheep as follows.
Local selection: There is a close relationship between the normal growth of pasture and the suitable climatic conditions and the soil on which it depends. Any pasture has certain requirements for environmental conditions. Even if the same species of forages and different varieties have different requirements for environmental conditions, localities should select suitable forage species based on local climate characteristics. In cold regions, we should choose to plant hardy alfalfa, winter rye 70, ryegrass, sand-wang, etc.; in dry areas, we should choose to plant alfalfa, Sudan grass, grain pods, etc., which are tolerant to drought; in hot areas, Should choose to plant pine cone herb, Sudan grass, bitter leeks, etc.; warm and humid areas, should choose to plant ryegrass, Sudan grass, forage corn, bitter leeks, etc.; alkaline soil should choose to plant Alkali-resistant alfalfa , winter grazing 70 rye, pine cone herb, Leymus chinensis, etc.; acid soil should be selected to plant acid-resistant string pine herb, white clover, etc.; poor soil should be selected to plant poor-resistant sand savanna, alfalfa, no Bare wheat, etc.; areas with high soil moisture, should choose to plant white clover, red clover, Elymus and so on.
Appropriate scale: Sheep's feeding scale should be appropriate and match with the sheep field. The general feeding scale should not be too large. Every 667 square meters of pasture can feed 10 to 15 sheep.
Science sets: Try to use orchards, woodlands, and mulberry fields to plant shade-tolerant pastures, improve the three-dimensional development and utilization, and reduce the planting area of ​​Datian; or use the beach to grow salt-tolerant and high-yield forages and develop the mudflats in the mudflats so as to increase the economic benefits of raising grasses and raising sheep.
Timely sowing: As far as possible in the non-high temperature season, choose sunny slope plots to plant forage crops, in order to avoid the adverse effects of high temperature and low light.
With planting: planting forage, according to the type and quantity of mutton sheep, according to the combination of length and length, the principle of reasonable supply of pasture grass selection. According to the growth characteristics of different seasons and different pasture varieties, rational collocation and mixed sowing are carried out to ensure that the total supply of forage grass in each month of the whole year can meet the needs of livestock and poultry. In the warm spring, ryegrass, red clover, alfalfa, etc. can be planted. In the hot summer season, pine cone herb, bitter leeks, etc. can be planted. In cold winter, winter grazing 70 rye can be planted and silage and Dry grass is used as a supplement to pasture. Grass cultivation can be mixed with Poaceae and legumes. Since the roots and leaves of the two grasses are distributed differently, the nutrients absorbed are also different. Grasses can also use the nitrogen provided by the legume legume rhizobia and thus can significantly increase the yield of herbage. In addition, when ruminants such as mutton sheep are raised, rumen-blowing should be prevented from occurring due to the intake of single legume grass. Commonly used pasture combinations are: Festuca fescueria with white clover or alfalfa, awnless buckwheat plus alfalfa, alfalfa and ryegrass.
Timely harvesting: The determination of the time for harvesting the pastures for the sheep should take into account the yield and quality. For example, the best harvest time of ryegrass is from heading stage to milk ripening stage, barley is booting stage, oats are from booting to heading, peas and black beans are from flowering to beginning stage, corn is from milk stage to wax stage, and pods are beginning stage . The harvest is too late, the stalks of pasture crops age, nutrients fall, and palatability deteriorates.
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