Production technology of wheat straw ammonia feed

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Every year after the harvest of wheat, a large number of straws, straws can be used to feed cattle and sheep after amamination. Widely used methods are mainly: stacking, (pool) method, ammonia pool method and ammonia bag method. Here mainly introduces the latter two ammonia methods.
1. Ammonia is the specific practice of ammonia is: (1) Select the sun, the veteran, the terrain is high, the earth is hard, and the groundwater level is easy to make, feeding, managed place to build an ammonia pool. The shape of the pool can be rectangular or circular. The size and capacity of the pool is determined according to the number of ammonia straw, and the number of ammonia straw is determined in the type and quantity of the raising livestock. Generally, each cubic meter can hold the broken air-dried straw 100 kg. A cattle of 200 kg, the year needs 1.5 to 2.0 tons of ammonia straw. After digging your pool, use bricks or stones to bed, collected four walls, cement wipes. (2) Crush the straw or cut into a small section of 1.5 to 2.0 cm. (3) 3% to 5% of urea with warm water into solution, the temperature of the warm water is fixed, and the water content of the general straw is 12%, and 30 kg per 100 kg of straw plus about 30 kg. (4) Uniformly sprinkle the mixed urea solution on the straw, stir, or a layer of straw is uniformly sprinkled with a urea solution and stepped on the side. (5) After filling, the pool port is covered with a plastic film, and the seal is covered with soil.
2. Plastic bag ammonia plastic bags are typically 2.5 meters long, 1.5 meters wide, and the requireme for plastic bags are non-toxic polyethylene thin films, and the thickness is more than 0.12 mm, preferably two-layer plastic bags. Put the cut straw, dissolved with the prepared urea aqueous solution (equivalent to 4% to 5% of the straw air dry mass) is uniformly sprayed in 40% to 50% of the straw mass, filled with plastic bag, blocking The bag is placed in the dry place of the sun. During storage, it should be checked. If there is a smell at the bag, there is a gas flavor, it should be reinapered, and it is found that the plastic bag is damaged, and it is necessary to use the tape in time.

Straw almense After a certain period of time, you can feed. The length of the ammoniation time is determined according to the temperature. The temperature is 20 ~ 30 ¡ã C, which takes 7 to 14 days, the temperature above 30 ¡ã C, only 5 to 7 days. The ammonia straw should be identified before feeding livestock. In general, the ammonia straw color should be apricot yellow, lagma flavor and pungent ammonia. If most of the ammonia straw is found, it cannot be used to feed livestock.

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