Liquid organic fertilizer as well as preparation method and application thereof

An organic fertilizer and liquid technology, applied in the field of liquid organic fertilizer and its preparation, can solve problems such as waste, excessive accumulation of soil, and inability to meet the normal growth of crops

Pending Publication Date: 2022-03-15
WENZHOU UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the long-term use of chemical fertilizers will reduce soil fertility and fertilizer use efficiency, which cannot meet the normal growth of crops.
The concentration of nitrogen, phosphorus and potassium in compound fertilizers is high, and excessive accumulation in the soil after repeated application not only causes waste but also creates serious environmental problems

Method used

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  • Liquid organic fertilizer as well as preparation method and application thereof
  • Liquid organic fertilizer as well as preparation method and application thereof
  • Liquid organic fertilizer as well as preparation method and application thereof

Examples

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preparation example Construction

[0025] The present invention also provides the preparation method of above-mentioned liquid organic fertilizer, comprises the following steps:

[0026] The fungus chaff and water are mixed according to the mass volume ratio, and the supernatant obtained after anaerobic fermentation is the liquid organic fertilizer.

[0027] In the present invention, after mixing the fungus chaff and water according to the mass volume ratio, anaerobic fermentation treatment is performed on the mixture of the fungus chaff and water to obtain the anaerobic fermentation liquid of the fungus chaff. The present invention preferably further includes air-drying the fungus chaff before the mixing. The present invention has no strict requirements on the method of air-drying treatment, and it only needs to be placed in the air for 1-2 days to let the fungus chaff be air-dried naturally.

[0028] The time of the anaerobic fermentation of the present invention is preferably 21~28d, more preferably 24~26d;...

Embodiment 1

[0037] The preparation of liquid organic fertilizer is as follows: place the chaff of seafood mushroom in the air for 2 days; take 1.25kg of air-dried fungus chaff and add it to an anaerobic reactor, add 5L of water, and anaerobically Oxygen fermentation for 21 days, stirring twice a day, each time for 5 minutes; after the fermentation, filter the anaerobic fermentation liquid of bacterial chaff with 3 layers of gauze to remove solid residues such as sawdust, and centrifuge at 8000rpm for 15min to obtain the supernatant , to obtain liquid organic fertilizer.

Embodiment 2

[0039] Same as Example 1, the difference is that 1 kg of air-dried bacterium chaff is added to the anaerobic reactor, and 5 L of water is added.

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Abstract

The invention belongs to the technical field of fertilizers, and particularly relates to a liquid organic fertilizer as well as a preparation method and application thereof. The mushroom bran and water are used as preparation raw materials, the mass volume ratio of the mushroom bran to the water is 1 g: 4 mL to 1 g: 6 mL, fermentation treatment is carried out, amino acid, protein and microelements in the mushroom bran can be fully utilized, the content of phosphorus, potassium, calcium and magnesium in the prepared organic fertilizer sequentially reaches 512.5 mg/kg, 1356 mg/kg, 974 mg/kg and 541.7 mg/kg, the content of nutrient elements is high, the abundance of microorganisms is changed, and the yield of the organic fertilizer is increased. The content of available phosphorus in soil is increased, soil fertility is increased, plant growth is promoted, and continuous cropping obstacles of crops are relieved.

Description

technical field [0001] The invention belongs to the technical field of fertilizers, and in particular relates to a liquid organic fertilizer and its preparation method and application. Background technique [0002] my country is a big producer of chemical fertilizers and a big consumer of chemical fertilizers. Fertilizers play a very important role in my country's agricultural production. At present, the fertilizers on the market can be classified into two categories, one is chemical fertilizers, and the other is a combination of chemical fertilizers and organic fertilizers. compound fertilizer. However, the long-term use of chemical fertilizers will reduce soil fertility and fertilizer utilization efficiency, which cannot meet the normal growth of crops. The concentration of nitrogen, phosphorus and potassium in compound fertilizer is high, and it will accumulate excessively in the soil after repeated application, which not only causes waste but also creates serious environ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05F5/00C05G5/20
CPCC05F5/00C05F17/00C05G5/20Y02A40/20
Inventor 杨云龙郑卉王明阳徐鹏董思佳肖继波
Owner WENZHOU UNIVERSITY
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