In China's corn-producing areas, a large number of corn straws need to be processed each year. The current treatment methods are as follows:
First, burn in place.
Second, first feed cattle and sheep, back to abdomen. Or dry the heaps and leave it as a winter bedding for cattle and hay for cattle and sheep.
Third, deep ploughing, burying the straw in the ground, allowing it to decompose and ferment as fertilizer.
Fourth, the use of microbial fermentation processing technology, a large number of green fodder green corn straw stored for winter feed to livestock.
Among these methods, it is not difficult to see that burning in situ does not work, not only polluting the environment, but also causing fires.
The second method is a method promoted by the State. This is not a problem for summer and autumn. However, because the amount of green corn straw is very large, returning to the field is still far from solving a lot of straw disposal problems. In the winter, the lack of green fodder for cattle and sheep is very unfavorable for fattening and fattening of cattle and sheep. It is also not appropriate to use dry grass to make hay from winter livestock, because normally green fodder loses 30% to 40% of nutrients after drying, and almost all vitamins Loss and palatability are also not good. At the same time, piles of hay also have the danger of fire due to spontaneous combustion.
Deep ploughing involves excessive labor intensity, long processing times, and dry, cold northern conditions that do not necessarily work.
The microbial silage technology of green corn stalks can solve the problem of the retention of a large part of the green corn stalks. The following describes its principles and benefits:
First, silage is a kind of storage-resistant feed made from crop straw (corn stalk, etc.) cut in fresh green and chopped and filled into a closed silo. This feed basically retains the original green, juicy, nutrient-rich characteristics of green feed. The main benefits of silage are:
(1) The source of silage materials is abundant, and crop straws (such as corn stalks, etc.), various weeds, pastures, sweet potato pods, leaves, etc., can all be silaged.
(2) Silage is rich in nutrients. During the production, the whole straw (including stems, stems, and leaves) can be used for silage, and the green and leaves of the straw can be preserved. Therefore, most (85% or more) of the nutrients in the crop stalk can be preserved, and the loss of crude protein and carotene is also small (generally, green feed loses 30% to 40% of nutrients after drying, and almost all of the Vitamin is lost).
(3) Because silage is soft and juicy, smells sweet and sour, has good palatability and is suitable for feeding beef cattle. Beef cattle also like to eat. It also promotes the secretion of digestive glands and has a good effect on improving the digestibility of feed. .
(4) The silage production method is simple, low-cost, not subject to weather and season restrictions, and the nutritional value of forage grass can be preserved for a long time (years) without change. So to meet the needs of beef cattle in winter and spring (or throughout the year) feeding green feed.
(5) Silage can make full use of the rich forage resources in the region, especially feeding a large amount of corn silage silage to beef cattle, which can greatly reduce the waste of corn stalks.
Second, the principle of making silage: Silage is green crop straw or grass, which will contain the right amount of water, after being shredded and stored in a silo without air, that is, in the absence of oxygen, so that lactic acid bacteria (is a This type of anaerobic bacteria can multiply and produce large amounts of lactic acid. When the acidity reaches a certain level, it can inhibit the growth of mold and spoilage bacteria, so that most of the nutrients in forage grass can be preserved for a long time.
First, burn in place.
Second, first feed cattle and sheep, back to abdomen. Or dry the heaps and leave it as a winter bedding for cattle and hay for cattle and sheep.
Third, deep ploughing, burying the straw in the ground, allowing it to decompose and ferment as fertilizer.
Fourth, the use of microbial fermentation processing technology, a large number of green fodder green corn straw stored for winter feed to livestock.
Among these methods, it is not difficult to see that burning in situ does not work, not only polluting the environment, but also causing fires.
The second method is a method promoted by the State. This is not a problem for summer and autumn. However, because the amount of green corn straw is very large, returning to the field is still far from solving a lot of straw disposal problems. In the winter, the lack of green fodder for cattle and sheep is very unfavorable for fattening and fattening of cattle and sheep. It is also not appropriate to use dry grass to make hay from winter livestock, because normally green fodder loses 30% to 40% of nutrients after drying, and almost all vitamins Loss and palatability are also not good. At the same time, piles of hay also have the danger of fire due to spontaneous combustion.
Deep ploughing involves excessive labor intensity, long processing times, and dry, cold northern conditions that do not necessarily work.
The microbial silage technology of green corn stalks can solve the problem of the retention of a large part of the green corn stalks. The following describes its principles and benefits:
First, silage is a kind of storage-resistant feed made from crop straw (corn stalk, etc.) cut in fresh green and chopped and filled into a closed silo. This feed basically retains the original green, juicy, nutrient-rich characteristics of green feed. The main benefits of silage are:
(1) The source of silage materials is abundant, and crop straws (such as corn stalks, etc.), various weeds, pastures, sweet potato pods, leaves, etc., can all be silaged.
(2) Silage is rich in nutrients. During the production, the whole straw (including stems, stems, and leaves) can be used for silage, and the green and leaves of the straw can be preserved. Therefore, most (85% or more) of the nutrients in the crop stalk can be preserved, and the loss of crude protein and carotene is also small (generally, green feed loses 30% to 40% of nutrients after drying, and almost all of the Vitamin is lost).
(3) Because silage is soft and juicy, smells sweet and sour, has good palatability and is suitable for feeding beef cattle. Beef cattle also like to eat. It also promotes the secretion of digestive glands and has a good effect on improving the digestibility of feed. .
(4) The silage production method is simple, low-cost, not subject to weather and season restrictions, and the nutritional value of forage grass can be preserved for a long time (years) without change. So to meet the needs of beef cattle in winter and spring (or throughout the year) feeding green feed.
(5) Silage can make full use of the rich forage resources in the region, especially feeding a large amount of corn silage silage to beef cattle, which can greatly reduce the waste of corn stalks.
Second, the principle of making silage: Silage is green crop straw or grass, which will contain the right amount of water, after being shredded and stored in a silo without air, that is, in the absence of oxygen, so that lactic acid bacteria (is a This type of anaerobic bacteria can multiply and produce large amounts of lactic acid. When the acidity reaches a certain level, it can inhibit the growth of mold and spoilage bacteria, so that most of the nutrients in forage grass can be preserved for a long time.
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