CN113636891A - Mangrove seedling cultivation nutrient solution and preparation method thereof - Google Patents
Mangrove seedling cultivation nutrient solution and preparation method thereof Download PDFInfo
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- CN113636891A CN113636891A CN202111113014.0A CN202111113014A CN113636891A CN 113636891 A CN113636891 A CN 113636891A CN 202111113014 A CN202111113014 A CN 202111113014A CN 113636891 A CN113636891 A CN 113636891A
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C11/00—Other nitrogenous fertilisers
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/60—Biocides or preservatives, e.g. disinfectants, pesticides or herbicides; Pest repellants or attractants
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G5/00—Fertilisers characterised by their form
- C05G5/20—Liquid fertilisers
- C05G5/27—Dispersions, e.g. suspensions or emulsions
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/22—Improving land use; Improving water use or availability; Controlling erosion
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/40—Afforestation or reforestation
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- Pest Control & Pesticides (AREA)
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Abstract
The invention belongs to the technical field of planting, and particularly relates to mangrove seedling cultivation nutrient solution and a preparation method thereof. The nutrient solution comprises the following components: amino acid water soluble fertilizer, ferric citrate, humic acid, plant extract, lignosulfonate, rice hull ash and seaweed extract. The preparation method is simple, and the nutrient solution and the preparation method thereof can promote healthy and rapid growth of seedlings and ensure the survival rate of the seedlings.
Description
The invention discloses a divisional application of a method for reforming a coastal culture pond into a mangrove forest nursery garden, which is applied for application number 202011598528.5, 12 months and 29 days of 2020.
Technical Field
The invention belongs to the technical field of planting, and particularly relates to mangrove seedling cultivation nutrient solution and a preparation method thereof.
Background
The mangrove forest is a tidal flat wetland woody biological community which grows on the upper part of intertidal zones of tropical and subtropical low-energy coast and is soaked by periodic tidal water and consists of evergreen shrubs or arbors taking mangrove plants as main bodies. The species of the composition comprises herbaceous and liana mangrove. It grows on the beach shoal of land and sea boundary zone, and is a special ecological system for land to sea transition. Is a component of a special coastal wetland ecosystem and an important intertidal zone forest ecosystem, and has the functions of preventing wind and eliminating waves, protecting the coast and the like.
In the prior art, a mangrove seedling raising method is not poor, for example, Chinese patent application CN 103283475A discloses a mangrove seedling raising method, which comprises the following steps: selecting a muddy reclamation beach with small wind wave, low salinity and fresh water supply as a seedling nursery, namely a seedling growing land; culturing seedlings in a nutrition bag; firstly, raising seedlings of seed mangrove plants on a seedbed, and then transferring the seedlings into a nutrition bag for cultivation; the bagged seedlings are transferred to a basin; enhancing water and fertilizer management, shaping and pruning and pest control in the process of cultivating big seedlings; and (5) outplanting the big seedlings.
The loss of the intertidal zone of medium and high tide originally suitable for the growth of mangrove forest is almost lost due to the building of seawalls, pond-enclosing culture and the like. The method has the advantages of few beaches suitable for forestation on the coast, heavy forestation tasks, shortage of seedling raising fields, and construction of artificial forests on various difficult beaches, and is always a technical problem in mangrove forest recovery. In the past, the seedling afforestation is usually adopted, but the seedling afforestation is difficult to adapt to the severe environment of the difficult mudflat after the planting, so that the afforestation survival rate is low, and the quality of the afforestation recovery engineering can not be ensured. Therefore, a proper coastal culture pond is selected to be transformed into a nursery garden suitable for culturing various mangrove forest plants, and enough quantity and variety of mangrove forest seedlings can be cultured, thereby providing reliable guarantee for peripheral pond withdrawal and forest restoration engineering.
However, the existing nursery garden is mostly distributed in sandy soil areas with poor coastal nutrients, and the effect of burying fertilizer and applying nutrient solution is difficult to take effect under the action of natural tide of seawater, so that the nursery stock generally grows slowly or develops badly, more nursery stocks are easy to break or even die under the influence of wind waves, and the survival rate of the nursery stocks is greatly influenced. The invention promotes the mangrove seedlings to grow healthily and rapidly by adding the nutrient solution through controlling water, the water control pipeline obviously slows down the flow rate of the seawater and the periphery of the seedling raising field can resist wind waves, thereby reducing the damage of the seedlings caused by wind waves. Therefore, the method for transforming the coastal culture pond into the mangrove forest nursery can promote the healthy and rapid growth of the seedlings and ensure the survival rate of the seedlings, and has important significance.
Disclosure of Invention
In order to overcome the technical problems, the invention provides a mangrove seedling cultivation nutrient solution and a preparation method thereof, and the nutrient solution and the preparation method thereof can promote the healthy and rapid growth of seedlings and ensure the survival rate of the seedlings.
In order to achieve the above purpose, the technical scheme provided by the invention is as follows:
a mangrove forest nutrient solution comprises the following components:
amino acid water soluble fertilizer, ferric citrate, humic acid, plant extract, lignosulfonate, rice hull ash and seaweed extract.
Preferably, the nutrient solution comprises the following components in parts by weight:
20-30 parts of amino acid water-soluble fertilizer, 3-7 parts of ferric citrate, 1-10 parts of humic acid, 5-15 parts of plant extract, 1-5 parts of rice hull ash, 0.5-2 parts of lignosulfonate and 1-5 parts of seaweed extract.
Preferably, the plant extract is prepared from the following raw materials: bean pulp and eucalyptus bark.
Preferably, the plant extract is prepared from the following raw materials in parts by weight: 1-5 parts of eucalyptus bark and 5-10 parts of soybean meal.
Preferably, the preparation method of the plant extract comprises the following steps:
(1) pulverizing eucalyptus bark, and extracting with ethanol to obtain ethanol extractive solution and eucalyptus bark residue;
(2) mixing the eucalyptus skin residue and the soybean meal, adding water, and adding sodium citrate and sodium salicylate to obtain a mixed extract of the eucalyptus skin residue and the soybean meal;
(3) concentrating the ethanol extract under reduced pressure, and adding into the mixed extract of eucalyptus peel residue and soybean meal to obtain plant extract.
Preferably, in the step (1), the amount of the ethanol is 3-5 times of the weight of the eucalyptus bark;
preferably, in the step (1), the ethanol is 50-75% by volume of ethanol water solution;
preferably, in step (1), the temperature of the extraction is 45-60 ℃.
Preferably, in the step (2), the mass of the added water is 5-10 times of that of the mixture of the eucalyptus peel residue and the soybean meal;
preferably, in the step (2), the mass of the sodium citrate is 0.05-0.5% of the mass of the mixture of the eucalyptus bark residue and the soybean meal.
Preferably, in the step (2), the mass of the sodium salicylate is 0.2-1% of the mass of the mixture of the eucalyptus bark residue and the soybean meal.
Another object of the present invention is to provide a method for preparing the nutrient solution, comprising the steps of:
s1: adding ferric citrate into warm water, and adding lignosulfonate to obtain an aqueous solution;
s2: mixing the water solution with amino acid water soluble fertilizer, adding humic acid, plant extract, rice hull ash and Sargassum extract, and making into mixed suspension.
Preferably, the warm water in S1 has a temperature of 60-80 ℃.
Preferably, the amount of the warm water added in the S1 is 10-15 times of the weight of the ferric citrate.
Compared with the prior art, the invention has the technical advantages that:
(1) the nutrient solution provided by the invention has a good mangrove seedling raising effect, provides nutrient substances required by the growth of mangrove, and can effectively improve the germination rate and the survival rate of mangrove seedlings.
(2) The plant extract and the seaweed extract used in the invention have good synergistic effect, on one hand, the plant extract and the seaweed extract can provide required nutrient substances for the growth of mangrove, and on the other hand, the plant extract and the seaweed extract have certain bactericidal effect, and can effectively promote the survival rate of mangrove seedlings; meanwhile, the sodium citrate and the sodium salicylate are added in the preparation method of the plant extract, so that the extraction of effective components in the bean pulp and the eucalyptus bark can be effectively promoted, and the extraction efficiency of the effective components is improved.
(3) Compared with open water areas of coastal mudflats, the nursery can enable the nutrient solution to be retained in the nursery for a sufficient time through a water control measure, is beneficial to the absorption of mangrove plants, and promotes the healthy and rapid growth of seedlings.
Detailed Description
The present invention will be described below with reference to specific examples to make the technical aspects of the present invention easier to understand and grasp, but the present invention is not limited thereto. The experimental methods described in the following examples are all conventional methods unless otherwise specified; the reagents and materials are commercially available, unless otherwise specified.
Example 1
The mangrove forest nutrient solution comprises the following components in parts by weight:
20 parts of amino acid water-soluble fertilizer, 7 parts of ferric citrate, 1 part of humic acid, 15 parts of plant extract, 1 part of rice hull ash, 2 parts of sodium lignosulfonate and 1 part of seaweed extract (Xianli Shijie biology, the same below);
the preparation method of the plant extract comprises the following steps:
(1) taking 1 part of eucalyptus bark, crushing, adding 5 times of ethanol with volume fraction of 50% by mass, and extracting at 45 ℃ to obtain ethanol extract and eucalyptus bark residues;
(2) mixing the eucalyptus bark residue and 5 parts of bean pulp, adding 10 times of water by mass, and adding 0.05% of sodium citrate and 1% of sodium salicylate by mass to obtain a mixed extract of the eucalyptus bark residue and the bean pulp;
(3) concentrating the ethanol extract under reduced pressure, and adding into the mixed extract of eucalyptus peel residue and soybean meal to obtain plant extract.
The preparation method of the mangrove forest nutrient solution comprises the following steps:
s1: adding ferric citrate into 10 times of 60 ℃ warm water, and adding sodium lignosulfonate to prepare an aqueous solution;
s2: mixing the water solution with amino acid water soluble fertilizer, adding humic acid, plant extract, rice hull ash and Sargassum extract, and making into mixed suspension.
Example 2
The mangrove forest nutrient solution comprises the following components in parts by weight:
30 parts of amino acid water-soluble fertilizer, 3 parts of ferric citrate, 10 parts of humic acid, 5 parts of plant extract, 5 parts of rice hull ash, 0.5 part of sodium lignosulfonate and 5 parts of seaweed extract;
the preparation method of the plant extract comprises the following steps:
(1) taking 5 parts of eucalyptus bark, crushing, adding 3 times of ethanol with volume fraction of 75% by mass, and extracting at 60 ℃ to obtain ethanol extract and eucalyptus bark residues;
(2) mixing the eucalyptus bark residue and 10 parts of the bean pulp, adding 5 times of water by mass, and adding 0.5% of sodium citrate and 0.2% of sodium salicylate by mass to obtain a mixed extract of the eucalyptus bark residue and the bean pulp;
(3) concentrating the ethanol extract under reduced pressure, and adding into the mixed extract of eucalyptus peel residue and soybean meal to obtain plant extract.
The preparation method of the mangrove forest nutrient solution comprises the following steps:
s1: adding ferric citrate into 15 times of warm water at 80 ℃, and adding sodium lignosulfonate to prepare an aqueous solution;
s2: mixing the water solution with amino acid water soluble fertilizer, adding humic acid, plant extract, rice hull ash and Sargassum extract, and making into mixed suspension.
Example 3
The mangrove forest nutrient solution comprises the following components in parts by weight:
25 parts of amino acid water-soluble fertilizer, 5 parts of ferric citrate, 3 parts of humic acid, 8 parts of plant extract, 3 parts of rice hull ash, 1 part of sodium lignosulfonate and 4 parts of seaweed extract;
the preparation method of the plant extract comprises the following steps:
(1) taking 2 parts of eucalyptus bark, crushing, adding 4 times of ethanol with volume fraction of 60% by mass, and extracting at 50 ℃ to obtain ethanol extract and eucalyptus bark residues;
(2) mixing the eucalyptus bark residue and 7 parts of the bean pulp, adding 6 times of water by mass, and adding 0.2% of sodium citrate and 0.5% of sodium salicylate by mass to obtain a mixed extract of the eucalyptus bark residue and the bean pulp;
(3) concentrating the ethanol extract under reduced pressure, and adding into the mixed extract of eucalyptus peel residue and soybean meal to obtain plant extract.
The preparation method of the mangrove forest nutrient solution comprises the following steps:
s1: adding ferric citrate into 10 times of warm water at 70 ℃, and adding sodium lignosulfonate to prepare an aqueous solution;
s2: mixing the water solution with amino acid water soluble fertilizer, adding humic acid, plant extract, rice hull ash and Sargassum extract, and making into mixed suspension.
Example 3-1
The difference from example 3 is the composition of the nutrient solution.
A method for transforming a coastal culture pond into a mangrove forest nursery comprises adding mangrove forest nutrient solution into the culture pond,
the mangrove forest nutrient solution comprises the following components in parts by weight:
25 parts of amino acid water-soluble fertilizer, 5 parts of ferric citrate, 3 parts of humic acid, 8 parts of plant extract, 3 parts of plant ash, 1 part of sodium lignosulfonate and 4 parts of seaweed extract;
the plant extract was prepared in the same manner as in example 3.
The preparation method of the mangrove forest nutrient solution comprises the following steps:
s1: adding ferric citrate into 10 times of warm water at 70 ℃, and adding sodium lignosulfonate to prepare an aqueous solution;
s2: mixing the water solution with amino acid water soluble fertilizer, adding humic acid, plant extract, plant ash and Sargassum extract, and making into mixed suspension.
Examples 3 to 2
The difference from example 3 is the preparation method of the plant extract.
The mangrove forest nutrient solution comprises the following components in parts by weight:
25 parts of amino acid water-soluble fertilizer, 5 parts of ferric citrate, 3 parts of humic acid, 8 parts of plant extract, 3 parts of rice hull ash, 1 part of sodium lignosulfonate and 4 parts of seaweed extract;
the preparation method of the plant extract comprises the following steps:
(1) taking 2 parts of eucalyptus bark, crushing, adding 4 times of ethanol with volume fraction of 60% by mass, and extracting at 50 ℃ to obtain ethanol extract and eucalyptus bark residues;
(2) mixing the eucalyptus bark residue and 7 parts of the bean pulp, adding 6 times of water by mass, and adding 0.7% of sodium salicylate by mass to obtain a mixed extract of the eucalyptus bark residue and the bean pulp;
(3) concentrating the ethanol extract under reduced pressure, and adding into the mixed extract of eucalyptus peel residue and soybean meal to obtain plant extract.
The preparation method of the mangrove forest nutrient solution is the same as the step of the example 3.
Examples 3 to 3
The difference from example 3 is the preparation method of the plant extract.
The mangrove forest nutrient solution comprises the following components in parts by weight:
25 parts of amino acid water-soluble fertilizer, 5 parts of ferric citrate, 3 parts of humic acid, 8 parts of plant extract, 3 parts of rice hull ash, 1 part of sodium lignosulfonate and 4 parts of seaweed extract;
the preparation method of the plant extract comprises the following steps:
(1) taking 2 parts of eucalyptus bark, crushing, adding 4 times of ethanol with volume fraction of 60% by mass, and extracting at 50 ℃ to obtain ethanol extract and eucalyptus bark residues;
(2) mixing the eucalyptus bark residue and 7 parts of bean pulp, adding 6 times of water by mass, and adding 0.7% of sodium citrate by mass to obtain a mixed extract of the eucalyptus bark residue and the bean pulp;
(3) concentrating the ethanol extract under reduced pressure, and adding into the mixed extract of eucalyptus peel residue and soybean meal to obtain plant extract.
The preparation method of the mangrove forest nutrient solution comprises the following steps:
s1: adding ferric citrate into 10 times of warm water at 70 ℃, and adding sodium lignosulfonate to prepare an aqueous solution;
s2: mixing the water solution with amino acid water soluble fertilizer, adding humic acid, plant extract, rice hull ash and Sargassum extract, and making into mixed suspension.
Examples 3 to 4
The difference from example 3 is that the plant extract is prepared from a different raw material.
The mangrove forest nutrient solution comprises the following components in parts by weight:
25 parts of amino acid water-soluble fertilizer, 5 parts of ferric citrate, 3 parts of humic acid, 8 parts of plant extract, 3 parts of rice hull ash, 1 part of sodium lignosulfonate and 4 parts of seaweed extract;
the preparation method of the plant extract comprises the following steps:
(1) taking 2 parts of wormwood, crushing, adding 4 times of ethanol with volume fraction of 60% by mass, and extracting at 50 ℃ to obtain ethanol extract and wormwood residues;
(2) mixing the wormwood residue and 7 parts of bean pulp, adding 6 times of water by mass, and adding 0.2% of sodium citrate and 0.5% of sodium salicylate by mass to obtain a mixed extract of the wormwood residue and the bean pulp;
(3) concentrating the ethanol extract under reduced pressure, and adding into the mixed extract of folium Artemisiae Argyi residue and soybean meal to obtain plant extract.
The preparation method of the mangrove forest nutrient solution comprises the following steps:
s1: adding ferric citrate into 10 times of warm water at 70 ℃, and adding sodium lignosulfonate to prepare an aqueous solution;
s2: mixing the water solution with amino acid water soluble fertilizer, adding humic acid, plant extract, rice hull ash and Sargassum extract, and making into mixed suspension.
Examples of effects
Building a nursery garden according to a mode of a basic embodiment, selecting 11 nursery garden squares as 11 test groups which are respectively 1-11 test groups, wherein the test groups 1-10 are provided with water control systems; the test group 11 was not equipped with a water control system.
Simultaneously planting the embryonic axis of the bruguiera gymnorrhiza in the nursery square, and culturing the seedlings for 12 months. The test groups 1 to 8 control the flooding time to be 8 hours per month on average per day through a water control system; the water flooding time of the test group 9 is 4h per day on average; the test group 10 submerges for 12h each day on average; controlling the flooding depth of the test groups 1-10 to be that the water level is 2cm higher than the ridge; the test group 11 cultivated seedlings by natural tide only.
During seedling raising, 5kg of the 7 nutrient solutions corresponding to the examples 1-3 and the examples (3-1) -3-4 are respectively applied to the nursery squares of the test groups 1-7 immediately after the beginning of flooding on the day of seedling raising in the test groups 1-7, wherein each group corresponds to one nutrient solution; then, the nutrient solution is applied once every 3 months according to the same method; the nutrient solution prepared in example 3 was applied to test groups 9 to 11 in the same manner as in test groups 1 to 7, and the nutrient solution was not applied to test group 8. After 12 months, the average height and average storage rate of seedlings were counted, and the results are shown in Table 1.
TABLE 1 growth of Bruguiera gymnorrhiza
| Test group | Flooding condition in the day | Nutrient solution | Seedling average height (cm) | Average seedling conservation (%) |
| Test group 1 | Controlling flooding for 8h | Example 1 | 102.3 | 97.6 |
| Test group 2 | Controlling flooding for 8h | Example 2 | 99.1 | 98.3 |
| Test group 3 | Controlling flooding for 8h | Example 3 | 107.4 | 97.9 |
| Test group 4 | Controlling flooding for 8h | Example 3-1 | 72.2 | 76.5 |
| Test group 5 | Controlling flooding for 8h | Examples 3 to 2 | 85.6 | 90.1 |
| Test group 6 | Controlling flooding for 8h | Examples 3 to 3 | 81.2 | 93.8 |
| Test group 7 | Controlling flooding for 8h | Examples 3 to 4 | 73.3 | 85.6 |
| Test ofGroup 8 | Controlling flooding for 8h | Nutrient-free liquid | 40.9 | 53.2 |
| Test group 9 | Controlling flooding for 4h | Example 3 | 65.4 | 71.5 |
| Test group 10 | Controlling flooding for 12h | Example 3 | 70.8 | 62.7 |
| Test group 11 | Natural tide | Example 3 | 53.6 | 41.3 |
Therefore, when the flooding is less, the seedling growth is influenced by drought stress, the seedling height is high, and the preservation rate is generally low; the flooding stress is caused by excessive flooding, the growth of seedlings is influenced, the height of the seedlings is generally low, and the preservation rate is reduced. The natural tide cannot guarantee that the seedlings grow generally poorly due to the fact that the flooding time is short, and the preservation rate is low. Secondly, the composition and preparation method of the nutrient solution have a great influence on the growth of the seedlings.
The above detailed description is specific to one possible embodiment of the present invention, and the embodiment is not intended to limit the scope of the present invention, and all equivalent implementations or modifications without departing from the scope of the present invention should be included in the technical scope of the present invention.
Claims (8)
1. The mangrove forest nutrient solution is characterized by comprising the following components:
amino acid water soluble fertilizer, ferric citrate, humic acid, plant extract, lignosulfonate, rice hull ash and seaweed extract.
2. The mangrove forest nutrient solution of claim 1, wherein the nutrient solution comprises the following components in parts by weight:
20-30 parts of amino acid water-soluble fertilizer, 3-7 parts of ferric citrate, 1-10 parts of humic acid, 5-15 parts of plant extract, 1-5 parts of rice hull ash, 0.5-2 parts of lignosulfonate and 1-5 parts of seaweed extract.
3. The mangrove forest nutrient solution of claim 1, wherein the plant extract is prepared from raw materials comprising: bean pulp and eucalyptus bark.
4. The mangrove forest nutrient solution of claim 3, wherein the plant extract is prepared from the following raw materials in parts by weight: 1-5 parts of eucalyptus bark and 5-10 parts of soybean meal.
5. The mangrove forest nutrient solution of claim 1, wherein the preparation method of the plant extract comprises the following steps:
(1) pulverizing eucalyptus bark, and extracting with ethanol to obtain ethanol extractive solution and eucalyptus bark residue;
(2) mixing the eucalyptus skin residue and the soybean meal, adding water, and adding sodium citrate and sodium salicylate to obtain a mixed extract of the eucalyptus skin residue and the soybean meal;
(3) concentrating the ethanol extract under reduced pressure, and adding into the mixed extract of eucalyptus peel residue and soybean meal to obtain plant extract.
6. A method for preparing a nutritional liquid according to any one of claims 1 to 5, comprising the steps of:
s1: adding ferric citrate into warm water, and adding lignosulfonate to obtain an aqueous solution;
s2: mixing the water solution with amino acid water soluble fertilizer, adding humic acid, plant extract, rice hull ash and Sargassum extract, and making into mixed suspension.
7. The method of claim 6, wherein the warm water in S1 has a temperature of 60-80 ℃.
8. The method of claim 6, wherein the amount of the warm water added in the S1 is 10-15 times the weight of the ferric citrate.
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| CN115039627A (en) * | 2022-07-12 | 2022-09-13 | 珠海市鑫亚园林绿化工程有限公司 | Rapid seedling raising method for salt-tolerant mangrove nursery stock |
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| CN114027079A (en) * | 2021-11-01 | 2022-02-11 | 海南大学 | Method for planting mangrove forest in rubble area of culture pond |
| CN114902952B (en) * | 2022-05-19 | 2024-03-12 | 北部湾大学 | Full-illumination spraying mangrove seedling raising device and seedling raising method thereof |
| CN117356341A (en) * | 2023-09-04 | 2024-01-09 | 南方海洋科学与工程广东省实验室(湛江) | Comprehensive planting and breeding pond and planting and breeding method for mangrove aquatic products |
| CN117652336A (en) * | 2023-12-26 | 2024-03-08 | 广州草木蕃环境科技有限公司 | Mangrove habitat restoration method for removing and returning estuary cultivation pond |
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