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Plant cultivation substrate

A technology for cultivating substrates and plants, applied in the field of plant cultivation substrates, can solve the problems of low utilization rate of fertilizers, difficult control of dosage and application timing, burning of plants and the like.

Inactive Publication Date: 2015-11-11
深圳风会云合生态环境有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, most of the existing plant cultivation substrates have low nutrient content, which is not enough to provide the nutrients needed for plant growth and development. Usually, a certain amount of nitrogen fertilizer, phosphorus fertilizer, potassium fertilizer or nutrient solution is added to the substrate
Using this method to supplement nutrients to the substrate is not only difficult to control the amount and timing of application, but improper operation may easily cause plant burnt, and the fertilizer utilization rate is low

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Preparation of organic fertilizer: Take plant waste and crush it to a particle size of 2-5cm, add urea to adjust the C / N ratio of the material to (25-35):1, and then dehydrate the obtained material to reduce its moisture content to 55- 65%, for aerobic composting fermentation, the height of the pile is 0.8-1.5m, and the volume of the pile is ≥5m 3 , adopt the method of turning over the pile for ventilation and oxygen supply, and carry out high-temperature fermentation. The temperature of the pile is greater than 50°C. Turn over once every 3-5d, and then carry out medium-temperature fermentation. The temperature of the pile is 30-50°C, turn over every 5-7d Once, after 30-60 days of composting and fermentation treatment, a fully decomposed compost product is obtained, which is an organic fertilizer, with a moisture content of 80%, humic acid >15%, and a roundworm egg killing rate of >99% %, which is rich in organic matter and humic acid.

[0025] Preparation of biochar: ...

Embodiment 2

[0030] Same as Example 1, except that the volume ratio of the organic fertilizer: urea-formaldehyde foam: biochar: perlite is 2:3:1:2.

Embodiment 3

[0032] Same as Example 1, except that the volume ratio of the organic fertilizer: urea-formaldehyde foam: biochar: perlite is 3:3:2:2.

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Abstract

The invention discloses a plant cultivation substrate for the problem that a commonly-used cultivation substrate is insufficient in nutrient and needs to be additionally added with nutrients. The plant cultivation substrate comprises organic fertilizer, urea formaldehyde foam, biochar and perlite, and the organic fertilizer is prepared by performing aerobic fermentation on plant waste. The substrate is rich in slow-releasing and long-acting nutrients such as organic matter, humic acid, nitrogen, phosphorus, sulphur, potassium and zinc.

Description

technical field [0001] The invention relates to the technical field of plant cultivation, in particular to a plant cultivation substrate. Background technique [0002] The natural peat soil and humus soil commonly used for planting plants will cause damage to the environment due to extensive excavation. With the increasing demand for urban greening projects and home gardening, soilless cultivation has gradually become the mainstream method of plant cultivation. Commonly used soilless cultivation types include hydroponics, aeroponics, substrate cultivation and so on. Among them, matrix cultivation has become the most widely used soilless cultivation technique, which is to fix the root system of crops in the matrix. It has the advantages of safety and sanitation, and easy control of plant growth. Usually loose, air-permeable, and strong water-retaining materials are selected as the cultivation substrate. Commonly used cultivation substrates include peat, coconut peat, bark, ...

Claims

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Application Information

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IPC IPC(8): C05G3/00C05F17/00
CPCY02W30/40
Inventor 于光辉欧阳群徐开升王波
Owner 深圳风会云合生态环境有限公司
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