Preparation method of plant cultivation substrate and cultivation substrate prepared by such method

A cultivation substrate and plant technology, applied in the field of utilization of agricultural and forestry organic waste, can solve the problems of low material utilization rate, long fermentation cycle, high nitrogen loss, etc., and achieve rich nutrients, facilitate absorption and utilization, and promote maturity Effect

Inactive Publication Date: 2014-06-25
BEIJING FORESTRY UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The purpose of the present invention is to provide a method for preparing a plant cultivation substrate and a cultivation substrate prepared by the method in view of the problems of low material utilization rate, long fermentation cycle and high nitrogen loss in the current fermentation process of agricultural and forestry waste

Method used

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  • Preparation method of plant cultivation substrate and cultivation substrate prepared by such method
  • Preparation method of plant cultivation substrate and cultivation substrate prepared by such method
  • Preparation method of plant cultivation substrate and cultivation substrate prepared by such method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0055] 1. Pretreatment of agricultural and forestry waste raw materials

[0056] Use a pulverizer (Beijing Zhongyi Shenlong Machinery Co., Ltd.) to crush garden waste branches (twigs trimmed from willows, pagoda trees, poplars, etc.) into particles with a particle size of ≤ 1 cm to obtain waste particles, and simultaneously measure The organic carbon content and nitrogen content of the waste particles are measured and the results are shown in Table 1.

[0057] Determination of the nitrogen content of waste particles by the Kjeldahl method;

[0058] Potassium dichromate volumetric method-external heating method is used to measure the organic carbon content in the cultivation mixed substrate. The specific measurement method is as follows: After adding the air-dried cultivation mixed substrate into the dry hard test tube, add K 2 Cr 2 o 7 Standard solution and concentrated H 2 SO 4 , then put the test tube at 170-180°C to boil the liquid in the test tube for 5 minutes, then ...

Embodiment 2

[0091] 1. Pretreatment of agricultural and forestry waste raw materials

[0092] Use a pulverizer (Beijing Zhongyi Shenlong Machinery Co., Ltd.) to pulverize the garden waste (the pruned branches of willow, pagoda tree, poplar, etc., fallen leaves and flowers) into particles with a particle size of ≤ 1 cm to obtain waste particles. , while measuring the organic carbon content and nitrogen content of waste particles, and the results are shown in Table 1.

[0093] 2. Prepare bamboo vinegar dilution

[0094] Add bamboo vinegar liquid to water, mix uniformly, be mixed with bamboo vinegar liquid dilution for subsequent use, wherein the volume ratio of bamboo vinegar liquid and water is 1: 1000, the pH value of bamboo vinegar liquid is 2.5, and density is 0.9g / ml; The organic acid content is 10%, and the phenolic compound content is 6%.

[0095] 3. The first fermentation treatment

[0096] 3-1) Add urea to the waste granules, adjust the C / N ratio of the waste granules to 27, and ...

Embodiment 3

[0110] 1. Pretreatment of agricultural and forestry waste raw materials

[0111] 1-1) Use a pulverizer (Beijing Zhongyi Shenlong Machinery Co., Ltd.) to pulverize agricultural waste (corncobs, straw) into particles with a particle size ≤ 1cm to obtain waste particles, and simultaneously measure the organic carbon of the waste particles content and nitrogen content, the measurement results are shown in Table 1.

[0112] 2. Prepare wood vinegar dilution

[0113] Add wood vinegar to water, mix well, be mixed with wood vinegar dilution for subsequent use, wherein the volume ratio of wood vinegar and water is 1: 1000, the pH value of wood vinegar is 3.2, and the density is 1.0g / ml, The organic acid content is 7%, and the phenolic compound content is 8%.

[0114] 3. The first fermentation treatment

[0115] 3-1) Add urea to the waste granules, adjust the C / N ratio of the waste granules to 30, and prepare the first fermentation granules, wherein 0.739 kg of urea is added per 100 kg ...

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Abstract

The invention discloses a plant cultivation substrate and a preparation method thereof. The preparation method of the plant cultivation substrate comprises the following steps of: (1) uniformly mixing agricultural and forestry waste, a zymocyte agent, bamboo vinegar liquor and / or pyroligneous liquor and performing first fermentation treatment to prepare a first fermentation substrate; adding fermentation additives, the bamboo vinegar liquor and / or pyroligneous liquor into the first fermentation substrate and performing second fermentation treatment to obtain the plant cultivation substrate, wherein the fermentation additives are brown granulated sugar and calcium superphosphate. The plant cultivation substrate prepared by the invention has balanced nutrition, high nutrient content and stable physical property. The cultivation substrate prepared by the method has a rational nutritional structure and is convenient for plants to be absorbed; the growth requirements of the plants are met; and the survival rate and the ornamental effect for cultivation of the plants are improved.

Description

technical field [0001] The invention relates to a utilization method of agricultural and forestry organic waste, in particular to a method for preparing a cultivation substrate by utilizing the agricultural and forestry organic waste and the prepared cultivation substrate. Background technique [0002] With the rapid development of urban greening in major cities in China, the amount of agricultural and forestry waste such as litter (plant litter), tree branch trimmings, lawn trimmings, weeds and residual flowers, corn cobs, rice husks, etc. is also increasing. bigger and bigger. For a long time, in order to pursue cleanliness and beauty, this kind of agricultural and forestry waste has often been regarded as urban solid waste and has become the object of removal for green space maintenance and management. The degree of cleaning of litter has even become an important indicator for measuring the level of maintenance. However, due to improper treatment, a large number of agric...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C05F11/08
Inventor 孙向阳张璐田赟龚小强
Owner BEIJING FORESTRY UNIVERSITY
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