Silage is succulent, fragrant, rich in nutrients, high in digestibility, and silage method is simple and easy to operate, low cost, as long as the silage material is shipped back in a short time, master the appropriate moisture, quickly smash the stamp, press tight Strict, you can get the best silage.
1, timely harvest
The best harvest period for corn is 7-10 days before the corn cob is matured. At this time, the harvest does not affect the corn yield, but also increases the nutritional value of the corn stover. Harvesting the evening will make the silage difficult to compact, the fermentation quality is poor, the shelf life is short, and more importantly, the digestibility of various nutrients is poor. It is generally better to harvest at 10% flowering stage.
2, preparation before harvest
First, carefully clean the silage and remove the residue from the silo; second, clean the area around the silo, install the mower, and prepare the compaction tool; third, the silo is not facing the west. south.
3, cut short chopped
The length of the cut corn stalk is generally 33 mm. If it is too short and too thin, it will lead to a reduction in the effective fiber for stimulating cattle chewing, and the phenomenon of bovine rumen poisoning; too long and too thick will affect the compaction of silage, resulting in deterioration or deterioration of silage quality.
4, silage management of the
Farmers should determine the size of silage at a speed of at least 15-20 cm per day. When filling silage, it should be fast and compact (15-20 cm thick, compacted with compaction tools) once). The size of the crucible is relatively small, and it is fast filling, fast fermentation, small reclaiming area, easy to manage, and less dry matter loss.
5, additive silage
(1) Add lactic acid bacteria. Generally, 6 grams per ton of straw can promote the growth of lactic acid bacteria in silage, inhibit the activities of other harmful microorganisms, accelerate the fermentation process of lactic acid bacteria, and improve the quality of silage.
(2) Adding enzyme preparation to improve fermentation quality and reduce dry matter loss.
(3) Adding the fermentation inhibitor, propionic acid, which can effectively control the production of harmful bacteria.
(4) Add urea. It has been determined that the addition of 0.5% urea to silage corn can increase the protein content from 2.3% to 3.7%, and 0.5 kg of urea is equivalent to the nutritional effect of 3.5 kg of bean cake. Generally, the amount of urea added to silage corn is 0.5%, and that of potato is 1.2%.
6, management after the opening of the
(1) Take out a sufficient amount of silage per day.
(2) Keep the take-up surface clean, reduce air retention, and prevent secondary fermentation.
(3) After the material is finished, it should be sealed as soon as possible to reduce air retention and prevent aerobic deterioration.
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