A kind of distiller's grain organic fertilizer and production method thereof

Abstract

The invention discloses a distilled grain organic fertilizer and a production method of the distilled grain organic fertilizer. A fermentation material of the distilled grain organic fertilizer comprises the following components in parts by mass: 100 parts of distilled grains, 3-5 parts of straw, 1-2 parts of wood sawdust, 2-2.5 parts of quick lime and 0.2-0.3 part of a strain. The production method comprises the following steps: inoculating the fermentation material with the strain, uniformly mixing to construct a strip pile, and performing fermentation; heating the strip pile to 60-65 DEG C, and turning the pile; regulating the pile turning frequency under a principle of maintaining the temperature of the strip pile to be not more than 65 DEG C; naturally ventilating for 1-2 months after fermenting; further crushing and screening to obtain a distilled grain organic fertilizer final product. The method for producing the distilled grain organic fertilizer, disclosed by the invention, is short in fermentation time and controllable in fermentation degree; the obtained product comprises the following components in percentage by weigh: 76% of an organic matter, 4% of N, 2.18% of P2O5, 1.29% of K2O, 7.74% of total nutrients and 29% of moisture; the pH value of the product is 6.2; indicators of the mortality of roundworm eggs and the number of fecal coliforms of the product can meet the requirements of NY884.

Description

technical field [0001] The invention relates to the comprehensive utilization of distiller's grains, in particular to a distiller's grains organic fertilizer and a production method thereof. Background technique [0002] The annual production of liquor in my country is about 6.5×10 6 t, while the annual discharge of distiller's grains is as high as 2×10 7 t. Distiller's grains have high acidity and a moisture content of over 65%. They are highly biodegradable, easily corrupted, and inconvenient to store. If they are not disposed of in time, they will easily cause great pollution to the environment. On the other hand, as a by-product of liquor production, distiller's grains are rich in nutrients such as crude protein, crude fat, crude starch, crude fiber, and nitrogen-free extracts, as well as inorganic elements such as phosphorus and potassium, as well as pentoses and total sugars. ingredients and is an excellent source of organic fertilizer. Using rich distiller's grain...

AI Technical Summary

Problems solved by technology

[0003] At present, the scale of using distiller's grains as raw materials to produce organic fertilizers in my country is not large. The main reason is that farmers spontaneously use distiller's grains for natural stacking and fermentation. The yield is low, and most of them are used by themselves. They are not the same. Some inferior distiller's grain organic fertilizers cannot improve the soil, increase fertility, and affect crop production and reduce yield.

[0004] The natural fermentation effect of distiller's grains is poor, the time is long, the degree of fermentation is not easy to grasp, and it is easy to be completely decomposed or overly decomposed; the organic fertilizer of unripe distiller's grains mainly reflects that the pH is too low, which leads to further acidification of the soil and affects the growth of crops. The occurrence of infectious diseases, over-decomposed distiller's grains, low organic fertilizer yield, serious loss of main nutrients, and a large amount of undecomposed distiller's grains left

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