Straw ammoniated feeds are made in this way

Straw silage, ammoniation, and micro-storage are the key technological achievements in China. They can be used as feed for herbivores and at the same time allow crop straw to return to the field. Recently, the reporter learned from the Provincial Department of Science and Technology that Shuangliu County is the famous production base for sheep in the province. They vigorously promoted straw ammonification micro-storage technology and helped 272 large sheep-raising households build 1503.2 cubic meters of ammoniated micro-feed pools. It can handle 150 tons of straw. How do aminated feeds are produced? Agro-technical experts work for you. Ammoniad raw material selection: crop stalks with good texture, no mildew, and water content not exceeding 13%. Such as straw, corn stalks, straw, husks and cottonseed husks can be. Ammonia sources and amounts: Various types of agricultural nitrogen fertilizers, such as urea, ammonium bicarbonate and so on. The most commonly used is urea, which is used in an amount of 4-5% and of ammonium bicarbonate 8-12%. Ammonia container: There are several kinds of cement ammoniation tanks, cylinders, and plastic bags. Ammonia pool construction and use - 1 selection. As far as possible, it is built in places with high topography, solid soil, and dry leewardness. It is necessary to avoid places where people and livestock live, but also to get close to the barracks and to use them conveniently. Conditions can also be built indoors. 2 build pool. In general, semi-subterranean rectangular grid cells are generally used. Dig a rectangular wall pit with four vertical walls in the selected location. The volume can be determined according to the number of livestock. Then build the brick wall along the wall and build a partition in the middle. The brick wall is 50 cm above the ground. The flat brick or broken brick is laid flat, and the walls and the bottom are cemented. The cement pool is made of two grids and two grids are recycled. Use one grid and one grid. 3 Ammoniation method (urea ammoniation method): Straw or corn stover cut to 5-10 cm. The urea to be added is first dissolved in 40-50 kg of water at a rate of 4-5 kg ​​of urea per 100 kg of straw, and a solution is sprayed on the straw. Install a layer, spray a layer, constantly turning and spraying uniform, while loading and pressing, straight to the outlet pit 30-50 cm, the top is tapered, covered with a film, and use wet mud to seal the interface between the film and the container. To prevent rat damage, soil can be pressed onto the membrane. Management of ammoniated stalks—1 Sealing inspection: During the ammoniation period, the film should be inspected for damage and air leakage. In particular, it is necessary to prevent the rats from biting the film and find that the damage should be repaired in a timely manner. 2 Ammonification time: The length of ammoniation is closely related to the ambient temperature. Generally 2-3 weeks in summer, 3-6 weeks in spring and autumn, 8 weeks in winter. 3 quality appraisal: According to the sensory inspection. Straw with good quality, which can be used for feed, has no mildew, yellowish-brown color, odor-smell, soft texture and pungent ammonia smell. On the contrary, if straws are gray or brownish and have a pungent odor and straw sticks into pieces, they cannot be used as feed. 4 access: After the ammoniated straw reaches the specified time, it can be opened and removed. After taking it out, spread it on a well-ventilated concrete floor and put ammonia for 1 day. Only when it has no pungent smell of ammonia, can it be fed. After each use, containers should still be sealed and water should not be allowed. The ammoniated straw can also be taken out all at once, spread out to dry, and then re-stacked in the corner of the free room or bar, covered with a film to prevent the sun and the rain. When feeding, how much to take.

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