Hydraulic filling sea mud culture substrate
A cultivation substrate and substrate technology, applied in the direction of sewage/sludge fertilizer, application, agriculture, etc., can solve the problems of inability to play an ecological role, low ecological benefit, poor fertility, etc., to increase the diversity of plant species and improve land productivity , Improve the effect of the ecosystem
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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...
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