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Method of preparing water hyacinth organic fertilizer

A technology of water hyacinth lotus and organic fertilizer, which is applied in the field of preparation of water hyacinth lotus organic fertilizer, can solve the problems of ineffectiveness, energy consumption, time-consuming and the like, and achieves the effects of simple production process, energy saving and easy operation.

Inactive Publication Date: 2004-11-24
SHANGHAI JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although this method involves the use of water hyacinth for fertilizer production, it is not an organic fertilizer fermentation process, and there are 3 drying steps, which is time-consuming and energy-consuming

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] In Shanghai Fengsheng Green Fertilizer Co., Ltd. by the river in Cenbu Village, Xicen Town, Qingpu District, a workstation for the production of water hyacinth organic fertilizer was established. Send the dried water hyacinth directly into the grass cutter for crushing and extrusion, remove 40% of the liquid to obtain fibrous fragments of water hyacinth, and drain the liquid into the cement pool for use. Then the water hyacinth fragments and the chicken manure are evenly mixed in a ratio of 95:5 for static fermentation. After 15 days, the liquid produced by squeezing the water hyacinth lotus is injected into the fermenting fertilizer, and after 20 days, the fermented organic fertilizer is granulated and packaged to obtain a finished product of the water hyacinth water hyacinth organic fertilizer.

Embodiment 2

[0014] In the above-mentioned same organic fertilizer production workstation, the fertilized water hyacinth is directly sent to the grass cutter for crushing and extrusion, and 30% of the liquid is removed to obtain fibrous fragments of water hyacinth, and the liquid is discharged into the cement pool for use . Then the water hyacinth fragments and the duck manure are evenly mixed in a ratio of 98:2 for static fermentation. After 10 days, the liquid produced by squeezing the water hyacinth lotus is injected into the fermenting fertilizer, and after 18 days, the fermented organic fertilizer is granulated and packaged to obtain a finished product of the water hyacinth water hyacinth organic fertilizer.

Embodiment 3

[0016] In the above-mentioned same organic fertilizer production workstation, the fertilized water hyacinth is directly sent to the grass cutter for crushing and extrusion, and 35% of the liquid is removed to obtain fibrous fragments of water hyacinth, and the liquid is discharged into the cement pool for use . Then, the water hyacinth fragments and the pig manure are uniformly mixed in a ratio of 90:10 for static fermentation. After 12 days, the liquid produced by squeezing the water hyacinth lotus is injected into the fermenting fertilizer, and after 15 days, the fermented organic fertilizer is granulated and packaged to obtain a finished product of the water hyacinth lotus organic fertilizer.

[0017] The embodiment of the present invention provides an organic fertilizer with a water hyacinth content of more than 95%, and the technical index of the organic fertilizer complies with DB31 / 250-2000 (local standard of Shanghai).

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Abstract

A process for preparing organic fertilizer from water hyacinth includes such steps as crushing, squeezing to obtain liquid and fibrous material, mixing the fibrous material with the droppings and dung of fowls and livestock, fermenting, adding the liquid to it, and granulating and packaging. Its advantages are simple process, and environmental protection.

Description

technical field [0001] The invention relates to a method for preparing an organic fertilizer, in particular to a method for preparing an organic fertilizer for water hyacinth. Background technique [0002] Water hyacinth (Eichhornia crassipes), commonly known as water hyacinth. Originating in South America, it was introduced into my country as feed in the 1950s because of its rich nutrients. However, this weed has a very strong asexual reproduction ability, and its population can increase the biomass by 20-30% every day under suitable conditions. A large number of water hyacinths cover the water surface, which will cause the deterioration of the water body environment, lead to the reduction of aquatic organisms, and block the river and hinder navigation. Therefore, it is currently recognized as one of the world's top ten malignant weeds. [0003] In order to maintain the cleanliness of the water environment, many countries and regions in the world invest a lot of manpower...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C05F11/00C05F15/00C05F17/00
CPCY02W30/40
Inventor 褚建君赵美华石风雷赵徐华徐玲玲
Owner SHANGHAI JIAOTONG UNIV
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