Method for producing seedling-growing nutritive matrix by traditional Chinese medicine residue composting

A technology of nutrient matrix and traditional Chinese medicine dregs, which is applied in the field of using traditional Chinese medicine dregs to compost to produce seedling nutrient matrix, which can solve the problems of poor air permeability, weak seedlings, high salt content, etc., and achieve the effect of light texture

Active Publication Date: 2013-01-30
HANGZHOU NORMAL UNIVERSITY
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Problems solved by technology

However, seedling cultivation has high requirements on the substrate. Generally, the main materials used for composting are organic solid wastes such as animal manure, wood chips, and agricultural chaff ash. Compared w

Method used

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  • Method for producing seedling-growing nutritive matrix by traditional Chinese medicine residue composting
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  • Method for producing seedling-growing nutritive matrix by traditional Chinese medicine residue composting

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Example Embodiment

[0019] Example 1

[0020] Cut the mixed medicine slag from the traditional Chinese medicine factory into a slag section with a length of 15cm or less. The moisture content of the slag section is determined by the weighing method to 64 wt%, and the potassium dichromate volumetric method-external heating method is used to determine the slag section The organic carbon content is 305.31 g / kg, the total nitrogen content of the medicine residue section is 15.67 g / kg determined by the Kelvin method, and the carbon to nitrogen content ratio is 20:1, which is directly used as composting raw material.

[0021] The stacking composting method is used to aerobic stacking of the composting materials into a pile of height 1.5 m × width 2 m × length 10 m for a total of 45 days. After stacking, the temperature of the pile is measured every 24 hours. The results show that , The compost heating period lasts 3 days, the high temperature period lasts 5 days, and the cooling period totals 37 days. Turn...

Example Embodiment

[0025] Example 2

[0026] Cut the mixed slag from the Chinese medicine factory into slag sections with a length less than or equal to 15cm. The moisture content of the slag section is determined by the weighing method to 60 wt%, and the potassium dichromate volumetric method-external heating method is used to determine the slag section The organic carbon content is 390.05 g / kg, and the total nitrogen content of the medicine residue section is 13.27 g / kg determined by the Kelvin method. Fresh pig manure with a moisture content of 80 wt﹪ and a carbon-to-nitrogen ratio of 14:1 is added. The addition ratio is traditional Chinese medicine residue: pig manure = 4:1 (volume ratio). After addition, the compost raw material has a moisture content of 70 wt﹪ and carbon-nitrogen ratio. It is 26:1.

[0027] The stacking composting method was used to aerobic stacking of the composting materials into a pile of height 1.5 m × width 2 m × length 10 m for a total of 60 days. After stacking, the tem...

Example Embodiment

[0033] Example 3

[0034] Cut the mixed slag from the Chinese medicine factory into slag sections with a length less than or equal to 15cm. The moisture content of the slag section is determined by the weighing method to 56 wt%, and the potassium dichromate volumetric method-external heating method is used to determine the slag section The organic carbon content is 303.20 g / kg, and the total nitrogen content of the medicine residue section is 18.09 g / kg determined by the Kelvin method. Add fresh pig manure with a moisture content of 73wt% and a carbon-to-nitrogen ratio of 15:1, and wood chips with a moisture content of 40wt% and a carbon-to-nitrogen ratio of 57:1. The addition ratio is traditional Chinese medicine residue: pig manure: wood chips = 4:2:1 (Volume ratio), the moisture content of the compost raw materials after addition is 65 wt%, and the carbon to nitrogen ratio is 30:1.

[0035] The stacking composting method was used to aerobic stacking the composting materials int...

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Abstract

The invention relates to a method for producing a seedling-growing nutritive matrix by Chinese medicine residue composting. The method comprises the following steps of cutting mixed traditional Chinese medicine residues obtained by a traditional Chinese medicine factory into traditional Chinese medicine residue segments, detecting water content, organic carbon content and total nitrogen content of the traditional Chinese medicine residue segments and a conditioner, preparing the traditional Chinese medicine residue segments and the conditioner into a compost raw material, carrying out aerobiotic composting of the compost raw material by a pile-type composting method, turning compost piles at a time interval of 24 to 48 hours in a heating stage and a high temperature stage, turning the compost piles at a time interval of 7 to 14 days in a cooling stage, after the composting process is finished, crushing the thoroughly decomposed composting products into a matrix raw material, and uniformly mixing the matrix raw material and auxiliary materials to obtain the seedling-growing nutritive matrix. The seedling-growing nutritive matrix obtained by the method has light weight, has salinity, porosity and nutritional ingredient composition close to salinity, porosity and nutritional ingredient composition of peat, and avoids the phenomenon of a slow seed germination speed, seedling weakness and seedling burning. Compared with the common composting products, the seedling-growing nutritive matrix obtained by the method is suitable for seedling cultivation.

Description

technical field [0001] The invention belongs to the technical field of biological environmental protection, and relates to a composting method, in particular to a method for producing a seedling-raising nutrient matrix by composting traditional Chinese medicine dregs. Background technique [0002] With the construction of new countryside in our country, the seed seedling project has become an important part of the development of modern agriculture. It is the basis and premise of the development of organic agriculture and green agriculture. In order to protect and save limited land resources and achieve the purpose of rapid breeding of seedlings, people gradually use substrate cultivation technology to cultivate seedlings of ornamental plants, fruits and vegetables. At present, the commonly used seedling substrate is peat soil, which has good air permeability and is rich in organic matter. However, because the excavation of natural peat poses a serious threat to the ecologic...

Claims

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Application Information

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IPC IPC(8): C05F17/00C05F15/00
CPCY02W30/40
Inventor 和苗苗周根娣田光明
Owner HANGZHOU NORMAL UNIVERSITY
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