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Preparation method and application of light three-dimensional greening water-retaining substrate

A three-dimensional greening and matrix technology, applied in the field of garden agronomy, can solve the problems of unable to maintain long-term effective growth of plants, restricting the development of urban three-dimensional greening construction, insufficient water retention, and achieve good water absorption and water retention performance, low specific gravity, and improved strength. Effect

Active Publication Date: 2021-12-14
GUANGDONG BAILIN GARDEN CONSTR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the insufficient water retention and high bulk density of the current cultivation substrate, it is difficult to provide the nutrients needed for the long-term growth of green plants, and it is impossible to maintain the long-term effective growth of plants, which limits the development of urban three-dimensional greening construction

Method used

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  • Preparation method and application of light three-dimensional greening water-retaining substrate
  • Preparation method and application of light three-dimensional greening water-retaining substrate

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] A lightweight three-dimensional greening and water-retaining substrate, comprising 28 parts of peat soil, 8 parts of water-absorbing gel material, 9 parts of compost sludge, 6 parts of perlite, 7 parts of vermiculite, 10 parts of activated carbon, and 7 parts of vermiculite in parts by weight. 8 parts of release fertilizer, 1 part of gibberellin and / or potassium indolebutyrate;

[0031] Its preparation method comprises the following steps:

[0032] Weigh each component according to the ratio of parts by weight for later use, grind and mix the water-absorbing gel material and the peat soil to obtain the first mixture, and grind and mix the perlite and the vermiculite to obtain the second mixture. Mixed material, prepared by mixing the first mixed material with the second mixed material, adding additives and mixing with the compost sludge, the activated carbon and the slow-release fertilizer;

[0033] The preparation method of the water-absorbent gel material comprises the...

Embodiment 2

[0038] A light-weight three-dimensional greening and water-retaining substrate, its composition and preparation method are the same as in Example 1, the difference is that:

[0039] The preparation method of the water-absorbent gel material comprises the following steps:

[0040] Weigh N-isopropylacrylamide and N-methylolacrylamide as monomers and N,N-methylenebisacrylamide as cross-linking agent in a weight ratio of 100:13:4.5 and dissolve them in deionized water , prepared as a solution with a total concentration of 58g / L, blown with nitrogen to remove oxygen to obtain solution A, prepare a mixed solution of polypyrrole and polyvinylpyrrolidone with a concentration of 10g / L and 1g / L respectively, and obtain a solution after blowing with nitrogen to remove oxygen B, under a protective atmosphere, mix the solution A, the solution B and the ammonium persulfate solution in a volume ratio of 3:1:10 while stirring, and the concentration of the ammonium persulfate solution is 22.3g...

Embodiment 3

[0042] A light-weight three-dimensional greening and water-retaining substrate, its composition and preparation method are the same as in Example 1, the difference is that:

[0043] The solution A also includes 2wt.% cellulose nanofibers or nano lignin fibers.

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Abstract

The invention provides a light three-dimensional greening water-retaining substrate, and belongs to the technical field of garden agriculture. The light three-dimensional greening water-retaining substrate comprises components in parts by weight as follows: 20-35 parts of turfy soil, 5-10 parts of a water-retaining agent, 8-12 parts of compost sludge, 4-8 parts of perlite, 4-8 parts of vermiculite, 5-10 parts of activated carbon, 6-10 parts of a slow release fertilizer and 1-10 parts of an auxiliary agent, wherein the water-retaining agent is a water-absorbing gel material, and the auxiliary agent is one or more of a growth regulator, an antibacterial agent and a pH regulator. The water-retaining substrate has good water-retaining property and lower specific gravity, and water loss is greatly reduced by utilizing good water absorption and water retention performance of the water-absorbing gel material.

Description

technical field [0001] The invention relates to the technical field of garden agronomy, in particular to a preparation method and application of a lightweight three-dimensional greening and water-retaining substrate. Background technique [0002] Three-dimensional greening is the general term for ground greening, wall greening, and roof greening. It is a way of greening in three-dimensional space corresponding to ground greening. Climbing plants are planted in other places to increase green coverage and improve the living environment. Three-dimensional greening has the advantages of less land occupation, large covering area, low cost and quick results. Three-dimensional greening can not only supplement the deficiencies of flat land greening and family greening, but also enrich the level of greening, and also help restore ecological balance and improve bad environments. It is more harmonious and unified with the environment. [0003] With the rapid development of urbanizati...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G24/28A01G24/10A01G24/15A01G24/35A01G24/30A01G24/22C08F220/54C08F222/38
CPCA01G24/28A01G24/10A01G24/15A01G24/35A01G24/30A01G24/22C08F220/54C08F222/385Y02P60/21
Inventor 邹水平吴小业孙思付成洪谭秀敏
Owner GUANGDONG BAILIN GARDEN CONSTR CO LTD
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