Hydraulic filling sea mud culture substrate

Abstract

The invention provides a hydraulic filling sea mud culture substrate, which relates to a culture substrate. The hydraulic filling sea mud culture substrate comprises the following components in parts by weight: 1 part of desalinated hydraulic filling sea mud compound substrate, 0.02-0.04 part of superphosphate, 0.044-0.091 part of organic fertilizer and 0.159-0.2 part of sludge, wherein the desalinated hydraulic filling sea mud compound substrate is an improved substrate which is formed by adding carbide slag and coarse texture materials into hydraulic filling sea mud to perform desalinating,and the volume parts ratio of the hydraulic filling sea mud, the carbide slag and the coarse texture materials is 0.5-0.65:0.01-0.5:0.25-0.5. Compared with the desalinated hydraulic filling sea mud compound substrate, the hydraulic filling sea mud culture substrate has the advantages of greatly improved physicochemical property, lowered pH value, addition of microaggregate and enhanced fertility,and can be applied to afforestation of more floristics and larger areas. By developing and taking the sludge as the main fertilizer, the invention opens up a new way to handle and utilize the sludge.

Description

technical field

[0001] The invention relates to a cultivation substrate, in particular to a dredging sea mud cultivation substrate. Background technique

[0002] With the development of the economy and the vigorous development of urban infrastructure, the demand for land resources is increasingly urgent. Using the dredged salt-containing dredging sea mud to reclaim land has become an effective way for coastal cities to alleviate the shortage of land resources. At the same time With the increase of urban greening area and the strengthening of people's awareness of environmental protection, the greening of coastal cities has been paid more and more attention, and the large area of ​​saline-alkali soil resources in coastal cities makes the land resources for urban greening more tense. Dredging reclamation sea mud is deposited by the flocculation of salt in seawater from the alluvium of modern rivers. There is no soil-forming process. It is not natural soil, but the soil-forming...

Examples

Embodiment 1

[0020] A dredging sea mud cultivation substrate comprises, by weight, 1 part of a dredged sea mud mixed substrate after desalination, 0.02 part of calcium superphosphate, 0.05 part of cow dung, and 0.2 part of sludge.

[0021] The mixed matrix of dredged sea mud after desalination is a matrix obtained by adding calcium carbide slag and dredged sea sand to the dredged sea mud for desalination improvement. It is 0.55:0.50:0.40.

[0022] The sludge has been air-dried, with a salt content of 1.7%, a pH of 7.14, and an organic matter content of 46.86%. The contents of various heavy metals meet the standards in GB4284-84 "Control Standards for Pollutants in Agricultural Sludge".

[0023] The specific steps are: add calcium superphosphate, organic fertilizer, and sludge to the mixed matrix of dredged sea mud after desalination, and take 1 part of the mixed matrix of dredged sea mud after desalination, 0.02 parts of calcium superphosphate, Take 0.05 parts of cow dung and 0.2 parts of...

Embodiment 2

[0030] A dredging sea mud cultivation substrate comprises, by weight, 1 part of a dredged sea mud mixed substrate after desalination, 0.04 parts of calcium superphosphate, 0.091 parts of cow dung, and 0.159 parts of sludge.

[0031] The mixed matrix of dredged sea mud after desalination is a matrix obtained by adding calcium carbide slag and dredged sea sand to the dredged sea mud for desalination improvement. It is 0.55:0.50:0.40.

[0032] The sludge has been air-dried, with a salt content of 1.7%, a pH of 7.14, and an organic matter content of 46.86%. The contents of various heavy metals meet the standards in GB4284-84 "Control Standards for Pollutants in Agricultural Sludge".

[0033] The specific steps are: add superphosphate, organic fertilizer, and sludge to the mixed matrix of sea mud after desalination, and take 1 part of the mixed matrix of sea mud after desalination, 0.04 parts of superphosphate, Take 0.091 parts of cow dung and 0.159 parts of sludge, mix them evenl...

Embodiment 3

[0040]A dredging sea mud cultivation substrate comprises, by weight, 1 part of a dredged sea mud mixed substrate after desalination, 0.04 parts of calcium superphosphate, 0.091 parts of cow dung, and 0.159 parts of sludge.

[0041] The mixed matrix of dredged sea mud after desalination is a matrix obtained by adding calcium carbide slag and dredged sea sand to the dredged sea mud for desalination improvement. It is 0.55:0.50:0.40.

[0042] The sludge has been air-dried, with a salt content of 1.7%, a pH of 7.14, and an organic matter content of 46.86%. The contents of various heavy metals meet the standards in GB4284-84 "Control Standards for Pollutants in Agricultural Sludge".

[0043] The specific steps are: add superphosphate, organic fertilizer, and sludge to the mixed matrix of sea mud after desalination, and take 1 part of the mixed matrix of sea mud after desalination, 0.04 parts of superphosphate, Take 0.091 parts of cow dung and 0.159 parts of sludge, mix them evenly...

technical field

[0001] The invention relates to a cultivation substrate, in particular to a dredging sea mud cultivation substrate. Background technique

[0002] With the development of the economy and the vigorous development of urban infrastructure, the demand for land resources is increasingly urgent. Using the dredged salt-containing dredging sea mud to reclaim land has become an effective way for coastal cities to alleviate the shortage of land resources. At the same time With the increase of urban greening area and the strengthening of people's awareness of environmental protection, the greening of coastal cities has been paid more and more attention, and the large area of ​​saline-alkali soil resources in coastal cities makes the land resources for urban greening more tense. Dredging reclamation sea mud is deposited by the flocculation of salt in seawater from the alluvium of modern rivers. There is no soil-forming process. It is not natural soil, but the soil-forming...

Examples

Embodiment 1

[0020] A dredging sea mud cultivation substrate comprises, by weight, 1 part of a dredged sea mud mixed substrate after desalination, 0.02 part of calcium superphosphate, 0.05 part of cow dung, and 0.2 part of sludge.

[0021] The mixed matrix of dredged sea mud after desalination is a matrix obtained by adding calcium carbide slag and dredged sea sand to the dredged sea mud for desalination improvement. It is 0.55:0.50:0.40.

[0022] The sludge has been air-dried, with a salt content of 1.7%, a pH of 7.14, and an organic matter content of 46.86%. The contents of various heavy metals meet the standards in GB4284-84 "Control Standards for Pollutants in Agricultural Sludge".

[0023] The specific steps are: add calcium superphosphate, organic fertilizer, and sludge to the mixed matrix of dredged sea mud after desalination, and take 1 part of the mixed matrix of dredged sea mud after desalination, 0.02 parts of calcium superphosphate, Take 0.05 parts of cow dung and 0.2 parts of...

Embodiment 2

[0030] A dredging sea mud cultivation substrate comprises, by weight, 1 part of a dredged sea mud mixed substrate after desalination, 0.04 parts of calcium superphosphate, 0.091 parts of cow dung, and 0.159 parts of sludge.

[0031] The mixed matrix of dredged sea mud after desalination is a matrix obtained by adding calcium carbide slag and dredged sea sand to the dredged sea mud for desalination improvement. It is 0.55:0.50:0.40.

[0032] The sludge has been air-dried, with a salt content of 1.7%, a pH of 7.14, and an organic matter content of 46.86%. The contents of various heavy metals meet the standards in GB4284-84 "Control Standards for Pollutants in Agricultural Sludge".

[0033] The specific steps are: add superphosphate, organic fertilizer, and sludge to the mixed matrix of sea mud after desalination, and take 1 part of the mixed matrix of sea mud after desalination, 0.04 parts of superphosphate, Take 0.091 parts of cow dung and 0.159 parts of sludge, mix them evenl...

Embodiment 3

[0040]A dredging sea mud cultivation substrate comprises, by weight, 1 part of a dredged sea mud mixed substrate after desalination, 0.04 parts of calcium superphosphate, 0.091 parts of cow dung, and 0.159 parts of sludge.

[0041] The mixed matrix of dredged sea mud after desalination is a matrix obtained by adding calcium carbide slag and dredged sea sand to the dredged sea mud for desalination improvement. It is 0.55:0.50:0.40.

[0042] The sludge has been air-dried, with a salt content of 1.7%, a pH of 7.14, and an organic matter content of 46.86%. The contents of various heavy metals meet the standards in GB4284-84 "Control Standards for Pollutants in Agricultural Sludge".

[0043] The specific steps are: add superphosphate, organic fertilizer, and sludge to the mixed matrix of sea mud after desalination, and take 1 part of the mixed matrix of sea mud after desalination, 0.04 parts of superphosphate, Take 0.091 parts of cow dung and 0.159 parts of sludge, mix them evenly...