Compound type plant cultivation matrix and preparation method thereof
A cultivation substrate and composite technology, which is applied in the field of composite plant cultivation substrate and its preparation, and the nutrient substrate for plant cultivation and its preparation, can solve the problem of reducing organic matter and nutrient content, destroying soil ecological cycle, soil acidity or alkalinity and other problems, to achieve the effect of strong water holding capacity, good permeability and moderate pH
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Embodiment 1
[0058] 1. Pretreatment of agricultural and forestry waste raw materials
[0059] 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.
[0060] Determination of the nitrogen content of waste particles by the Kjeldahl method;
[0061] 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
[0104] 1. Pretreatment of agricultural and forestry waste raw materials
[0105] The corncobs were crushed into particles with a length of 0.5-1.5 cm by a pulverizer to obtain waste particles, and the organic carbon content and nitrogen content of the waste particles were measured at the same time, and the measurement results are shown in Table 1.
[0106] 2. Prepare bamboo vinegar dilution
[0107] 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%. .
[0108] 3. Preparation of waste compost matrix
[0109] 1) First fermentation treatment
[0110] 1A) Add urea to the waste corncob granules, adjust the C / N ratio of the waste granules to 20, and prepare the first fermentation granules, wherein 2.027...
Embodiment 3
[0131] 1. Pretreatment of agricultural and forestry waste raw materials
[0132] Using agricultural waste rice husk as raw material, the organic carbon content and nitrogen content of agricultural waste rice husk were measured, and the results are shown in Table 1.
[0133] 2. Prepare bamboo vinegar dilution
[0134] Add bamboo vinegar liquid to water, mix well, be mixed with bamboo vinegar liquid diluent for subsequent use, wherein the volume ratio of bamboo vinegar liquid and water is 1: 800, and the pH value of bamboo vinegar liquid is 2, and density is 1.5g / ml, The organic acid content is 11%, and the phenolic compound content is 8%.
[0135] 3. Preparation of waste compost matrix
[0136] 1) First fermentation treatment
[0137] 1A) Add urea to the waste rice husk particles, adjust the C / N ratio of the waste particles to 35, and prepare the first fermentation particles, wherein 1.049 kg of urea is added to every 100 kg of waste particles (dry weight).
[0138] 1B) Add...
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