CN1061018C - Growth regulator for marine plants and preparation thereof - Google Patents

Growth regulator for marine plants and preparation thereof Download PDF

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Publication number
CN1061018C
CN1061018C CN95109424A CN95109424A CN1061018C CN 1061018 C CN1061018 C CN 1061018C CN 95109424 A CN95109424 A CN 95109424A CN 95109424 A CN95109424 A CN 95109424A CN 1061018 C CN1061018 C CN 1061018C
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weight
extract
growth regulator
inorganic salt
sorbent material
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CN95109424A
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CN1142479A (en
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孙恢礼
陈文颖
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South China Sea Institute of Oceanology of CAS
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South China Sea Institute of Oceanology of CAS
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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
    • C05G1/00—Mixtures of fertilisers belonging individually to different subclasses of C05
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
    • C05D9/00—Other inorganic fertilisers

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Pest Control & Pesticides (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Fertilizers (AREA)

Abstract

The present invention relates to a growth regulator for marine plants and a preparation method thereof, which is characterized in that the growth regulator contains seawater extracts, sea mud and/or inorganic salt extracts of marine animals and plants. The present invention has the advantages of simple preparation method, use of few chemical reagents, harmlessness and no pollution; the growth regulator contains abundant nitrogen, phosphorus, potassium, sulfur, silicon, ferrum and many other medium elements, trace elements and bioactive substances of humic acids, saccharide, amino acids, proteins and vitamins which are required for the growth and breeding of marine plants, and therefore, the growth regulator can rapidly, efficiently, lastingly and stably promote the growth and breeding of marine plants, is particularly suitable for unicellular algae and various kinds of algae, and is convenient for popularization and use in large areas.

Description

Growth regulator for marine plants and method for making
The present invention relates to a kind of growth regulator for marine plants, it is used to promote growth and the breeding of marine plant, particularly single-cell algae and various marine algas.
Great majority adopt the material of nitrogenous and phosphorus as the nutritive substance that promotes that marine plant breeds and grows both at home and abroad at present, also have minority scientific experiment chamber increased partly in amount and trace element and amino acid, VITAMIN, sugar etc., but all be storing solution or the good various nutritive substances of weighing that prepare various elements in advance, add one by one in nutrient solution or the seawater during use.Because required various materials add separately, compound method is numerous and diverse, is difficult to assort plant-growth and breeds essential element and various water-soluble organic carbon material; Also be difficult to form commodity and carry out large-area applying; And used more multiple chemical reagent in process for preparation, not only cost is higher, and is difficult to prevent polluted seawater breeding environments such as germ that chemical reagent brings, virus, objectionable impurities, or the artifact pollution that causes in the process for preparation.
The objective of the invention is to seek a kind of simple method, chemical reagent with the least possible kind, produce a kind of material that fast, efficiently, lastingly, stably promotes the marine plant growth, it not only is rich in marine plant growth essential nitrogen, phosphorus, sulphur, potassium, and also have many in, trace element and water-soluble organic carbon material.The present invention utilizes ocean materials such as seawater, ooze, marine life, especially contain water-soluble organic carbon materials such as abundant chemical element and humic-acid kind, amino acids, carbohydrate, protein-based, vitamins in the seawater, extract by simple method, form a kind of brand-new growth regulator for marine plants, reached purpose of the present invention.
Growth regulator for marine plants of the present invention is characterised in that and contains seawater extract 3～50% (weight) in the composition, nitrogen 9.5～43.9% (weight), phosphorus 0.68～26.1% (weight), surplus are other components that contain the compound of described nitrogen and phosphorus, and the each component summation is 100%.
The method for preparing seawater extract (being called for short the extract I down) is: seawater gets bittern (density p=1.270g/cm after separating sodium-chlor with nature Exposure to Sunlight evaporative crystallization method 3More than, i.e. degree Beaume.B é=more than 31), this bittern heating evaporation to 110～136 ℃, crystallisation by cooling, conventional method are for example centrifugal, filtering separation is got its solid, 105～125 ℃ of dryings, the extract I, in growth regulator for marine plants of the present invention is formed, account for 3～50% (weight).
The amount of nitrogen and phosphorus described in the growth regulator for marine plants of the present invention has very big difference by the decision of the plant that will use, and for example diatom requires nitrogen content low and flat algae requires the nitrogen content height.The compound that contains described nitrogen and phosphorus can be nitrogenous compound and P contained compound, or nitrogenous compound and P contained compound and nitrogenous and compound phosphorus, also can be nitrogenous compound and or nitrogenous and compound phosphorus.Described nitrogenous compound can be vitriol, nitrate, halogenide, urea etc., for example ammonium sulfate, ammonium nitrate, ammonium chloride etc., described P contained compound can be various phosphoric acid salt, for example potassiumphosphate, sodium phosphate etc., described nitrogenous and compound phosphorus can be ammonium phosphate, primary ammonium phosphate etc., above-claimed cpd can be used one or more, so long as water soluble, nontoxic can adopting.Above-claimed cpd is crushed to below the 1.0mm, with 50～97% (weight) mix with the extract I of 3～50% (weight) growth regulator for marine plants of the present invention.
In growth regulator for marine plants of the present invention, can also increase some water-soluble organic carbon materials, make it more effective.The present invention utilizes natural water body for example to contain more water-soluble organic carbon in the substrate on ocean, river, river, lake, the pool and the hydrobiont, come out with the inorganic salt adsorbing and extracting by simple method, with sorbent material together as extract, add during growth regulator for marine plants of the present invention forms.
The method that the present invention prepares the inorganic salt extract (be called for short down extract II) of natural water body substrate is: with substrate: the volume ratio of water=1: 1.5～4.0 is mixed, when digestion is evaporated to 1.2～2.0 times of former substrate volume, filter or the centrifugal extracting solution that gets, with inorganic salt as sorbent material, press its extracting solution: the weight ratio of sorbent material=1: 20～150, extracting solution is sparged on the sorbent material, and drying obtains the extract II.
The method that the present invention prepares hydrobiological inorganic salt extract (being called for short the extract III down) is: pulverize wet product with hydrobiont: the volume ratio of water=1: 0.5～3.5 is mixed, digestion is evaporated to 1.2～2.0 times of the wet product volume of protista pulverizing, centrifugal or filtering separation gets extracting solution, with inorganic salt as sorbent material, press extracting solution: the weight ratio of sorbent material=1: 10～150, it is sparged on the sorbent material, and drying gets the extract III.
Can contain extract II and III simultaneously in the growth regulator for marine plants of the present invention, also can contain wherein a kind of respectively.
Water body substrate of the present invention and hydrobiological extraction sorbent material can be any soluble in water, anaerobic voltinism, nontoxic inorganic salt, wherein can select the inorganic salt of elements such as containing the essential nitrogen of plant-growth, phosphorus, potassium, sulphur for use, for example phosphoric acid salt, vitriol, sylvite, ammonium salt etc.But the present invention thinks and preferably adopts sodium-chlor from the considerations such as broad spectrum, water-soluble, stability and extraction process convenience of inorganic salt.When with nitrogenous and or P contained compound during as sorbent material, they become the present invention nitrogenous in forming and or the P contained compound component, promptly can no longer add nitrogenous and or P contained compound, so extract II or III content in the present invention forms can be respectively 0～97% (weight) up to 97% (weight); When inorganic salt with nonnitrogenous and phosphorus when for example sodium-chlor is as sorbent material, extract II and III content in the present invention forms is respectively 0～6% (weight).The extract II and III according to the above ratio with the extraction I of 3～50% (weight) mixes or adds again nitrogenous with or the phosphorated compound, 9.5～43.9% (weight) that total nitrogen in the compound of the sorbent material of extract II and III and adding is formed for the present invention, total phosphorus is 0.68～26.1% (weight), makes growth regulator for marine plants of the present invention.
When above-mentioned nitrogenous, P contained compound or in not when iron content, potassium, silicon, sulphur as the inorganic salt that extract sorbent material, in forming, growth regulator for marine plants of the present invention preferably also adds sulfocompound 0～30% (weight), with or iron containing compounds 0～8% (weight), with or potassium-containing compound 0～30% (weight), with or silicon-containing compound 0～30% (weight), make enough sulphur, iron, potassium, silicon, effect is better.The above-mentioned potassium, sulfur-bearing, siliceous, ferruginous compound of containing can be inorganic, also can be organically, as long as water soluble, nontoxicly all can adopt, can adopt one or more compound.Above-claimed cpd be crushed to 1.0mm following with the extract I or with the extract II and or III and extract I mixes, add again nitrogenous with or the phosphorated compound, must growth regulator for marine plants of the present invention.
The present invention prepare the said natural water body substrate of extract II can be in ocean, river, lake, the pool any one, also can use severally simultaneously, but preferably select ooze for use; The said hydrobiont of preparation extract III, can be fresh water and or any animal of giving birth to of seawater and or plant, can be with one or more the tankage of aquatic foods product, curing food or aquatic products processing, preferably select for use marine animal and or plant, animal and plant can use separately, also can any mixed pulverize use; The present invention prepares the drying temperature of extract II and III, and is by used inorganic salt sorbent material decision, identical with the drying conditions of these inorganic salt; The granularity of extract I, II, III makes some difference to result of use, and preferably being crushed to particle diameter is below the 1.0mm.
The advantage of growth regulator for marine plants of the present invention is that the preparation method is simple, use and seldom plant chemical reagent, but contain abundant nitrogen, phosphorus, potassium, sulphur, silicon, iron and in, trace element, enough water-soluble organic carbons are arranged, and for example humic-acid kind, amino acids, carbohydrate, protein-based, vitamins etc. promote the biologically active substance of marine plant growth reproduction.For example in the seawater extract, contain S 2～10%, Mg 3～15%, Na 3～20%, K 1～9%, Cl5～30%, Ca 0.10～1%, N 0.1～0.6%, P 40～200 * 10 -6(being ppm, down together), Fe100～500 * 10 -6, B 500～2000 * 10 -6, Si 200～1000 * 10 -6, Cu 0.05～1.0 * 10 -6, Mn 0.05～1.0 * 10 -6, Zn 0.1～3.0 * 10 -6, Mo 0.02～0.1 * 10 -6, also have tens kinds of trace elements such as Sr, Co and 1～15 * 10 -6Water-soluble organic carbon.If add extract II and III, water-soluble organic carbon can reach 200 * 10 -6More than.These specific nutritive substances can solid phase form coexist, and performance synergy simultaneously reaches fast, efficiently, lastingly, stably promotes the marine plant growth reproduction.And growth regulator for marine plants cost of the present invention is lower, easy to use, and the residual contamination material is not easy to big area and promotes the use of.
Provide the embodiment of growth regulator for marine plants of the present invention below:
Embodiment one
1, produces the extract I: seawater is separated NaCl to ρ=1.295g/cm with nature Exposure to Sunlight evaporative crystallization method 3(promptly a ° B é is 33) bittern, get this bittern 1000kg, heating evaporation to 120 ℃ is put cold crystallization, centrifugation, 115 ℃ of dryings were pulverized No. 2 sieves (sieve aperture internal diameter mean value is 850 ± 29 μ m), must the extract I.
2, press column weight amount per-cent prescription, mix growth regulator for marine plants of the present invention:
Extract I 50% (weight)
(NH 4) 2SO 445% (weight)
KH 2PO 45% (weight)
The each component summation is 100%
Embodiment two
Press column weight amount per-cent prescription, mix growth regulator for marine plants of the present invention:
The extract I 3% (weight) that embodiment one produces
NH 4H 2PO 497% (weight)
The each component summation is 100%
Embodiment three
Press column weight amount per-cent prescription, mix growth regulator for marine plants of the present invention:
The extract I 50% (weight) that embodiment one produces
(NH 4) 3PO 43H 2O 50% (weight)
The each component summation is 100%
Embodiment four
1, produces the extract I: identical with embodiment one.
2, produce the extract II: get river silt 10kg (weight in wet base) and ooze 40kg (weight in wet base), it is mixed to add fresh water 150kg, and heating evaporation constantly stirs and makes volume be evaporated to 2.0 times of former ooze volume, and filtering separation gets extracting solution, and it is sparged 1750kg (NH 4) 2SO 4On, at 110 ℃ of heat dryings, pulverized sieve No. 2, get the extract II.
3, produce the extract III: marine animal 30kg (weight in wet base) such as raw fish blend, and add seawater 60kg, and heated and boiled is to about 1.5 times of original marine animal volume, filter extracting solution, use 300kg KH 2PO 4Absorb, sieve was pulverized in oven dry No. 2 below 100 ℃, got the extract III.
4, press column weight amount per-cent prescription, mixed growth regulator for marine plants of the present invention:
Extract I 5% (weight)
Extract II 90% (weight)
Extract III 5% (weight)
The each component summation is 100%
Embodiment five
1, produces the extract II: (the NH among the embodiment four 4) 2SO 4Change NH into 4H 2PO 4, other conditions are identical with embodiment four.
2, press column weight amount per-cent prescription, mix growth regulator for marine plants of the present invention:
The extract I 3% (weight) that embodiment one produces
Extract II 97% (weight)
The each component summation is 100%
Embodiment six
1, produces the extract I: identical with embodiment one.
2, produce the extract III: lively thing 5kg of fresh water such as small fish, shrimp (weight in wet base) and marine plant 25kg (weight in wet base) such as sargassun, wakame blend mixing, add water 60kg, heated and boiled is to about 1.5 times of original animal and plant volume, filter extracting solution, it is sparged 1500kg NH 4H 2PO 4On, at 110 ℃ of heat dryings, pulverized sieve No. 2, get the extract III.
3, press column weight amount per-cent prescription, mix growth regulator for marine plants of the present invention:
Extract I 3% (weight)
Extract III 97% (weight)
The each component summation is 100%
Embodiment seven
1, produces the extract I: identical with embodiment one.
2, produce the extract II: ooze 50kg (weight in wet base), add seawater 150kg, the heating digestion makes its volume be evaporated to 1.5 times of former mud volume, and filtering separation gets extracting solution, and it is sparged 600kg NH 4On the Cl, sieve was pulverized in 60 ℃ of vacuum-dryings No. 2, got the extract II.
3, system extract III: marine plant 25kg (weight in wet base) and the living assorted pasture and water 5kg (weight in wet base) of fresh water such as fragrant plant mentioned in ancient texts, Eucheuma muricatum (Gmel.) Web, blend to mix and add fresh water 15kg, heated and boiled makes it be evaporated to 1.2 times of former plant volume, filter extracting solution, it is sparged 300kg KH 2PO 4On, sieve was pulverized in 110 ℃ of oven dry No. 2, got the extract III.
4, press column weight amount per-cent prescription, mix growth regulator for marine plants of the present invention:
Extract I 6% (weight)
Extract II 40% (weight)
Extract III 6% (weight)
NH 4H 2PO 410% (weight)
Na 2SiO 32～5H 2O 30% (weight)
FeC 6H 5O 75H 2O 5% (weight)
FeSO 45H 2O 3% (weight)
The each component summation is 100%
Embodiment eight
1, produce the extract I: seawater with the solar evaporation crystallization process separate bittern (ρ=1.295g/cm 3, i.e. ° B é=33), get this bittern 1000kg, heating evaporation to 129 ℃, crystallisation by cooling, centrifugation gets solid, and solid 125 ℃ of dryings, was pulverized sieve No. 2, the extract I.
2, produce the extract II: ooze 20kg, add fresh water 60kg, the heating digestion constantly stirs, and makes it be evaporated to 1.2 times of former ooze volume, and centrifugation gets extracting solution, and it is sparged on the 60kg NaCl, 110 ℃ of dryings, pulverizes sieve No. 2, must the extract II.
3, produce the extract III: marine animal 1.5kg such as fish viscera that aquatic products processing factory abandons and marine plant 20kg such as sargassun, fragrant plant mentioned in ancient texts blend to boil and close, add water 15kg, heated and boiled is to 1.2 times of former animal and plant volume, filter extracting solution, it is sparged on the 300kg NaCl, 110 ℃ of dryings, pulverized sieve No. 2, get the extract III.
4, press column weight amount per-cent prescription, mix growth regulator for marine plants of the present invention:
Extract I 5% (weight)
Extract II 1% (weight)
Extract III 1% (weight)
NH 4H 2PO 425% (weight)
NH 4NO 360% (weight)
K 2SO 45% (weight)
FeC 6H 5O 75H 2O 2% (weight)
Na 2SiO 32～5H 2O 1% (weight)
The each component summation is 100%
Embodiment nine
The extract I 8% (weight) that embodiment eight produces
The extract II 6% (weight) that embodiment eight produces
The extract III 6% (weight) that embodiment eight produces
NH 4NO 345% (weight)
NaH 2PO 45% (weight)
K 2SO 430% (weight)
The each component summation is 100%
Embodiment ten
The extract I 3% (weight) that embodiment eight produces
NH 2CONH 294% (weight)
KH 2PO 43% (weight)
The each component summation is 100%
Each component was all pulverized sieve No. 2 in the various embodiments described above.

Claims (12)

1, a kind of growth regulator for marine plants, containing the seawater extract in it is characterized in that forming is extract I 3%～50% weight, nitrogen 9.5%～43.9% weight, phosphorus 0.68%～26.1% weight, surplus is other components that contain the compound of described nitrogen and phosphorus, each component summation is 100%, and described extract I is to get density p=1.270g/cm after separating sodium-chlor by seawater with nature Exposure to Sunlight evaporative crystallization method 3More than, i.e. the bittern of degree Beaume ° Be '=more than 31, described bittern heating evaporation to 110～136 ℃, crystallisation by cooling, get its solid conventional the separation, at the material of 105～125 ℃ of dry gained.
2, growth regulator for marine plants according to claim 1, it is characterized in that its inorganic salt extract that contains the natural water body substrate in forming be the extract II and or hydrobiological inorganic salt extract be the extract III, described nitrogen and described phosphorus comprise the extract II and or III as nitrogen in the inorganic salt of sorbent material and phosphorus, described extract II is with the water body substrate: the volume ratio of water=1: 1.5～4.0 is mixed, when digestion is evaporated to 1.2～2.0 times of former substrate volume, routine separate extracting solution, with inorganic salt as sorbent material, press its extracting solution: the weight ratio of sorbent material=1: 20～150, extracting solution is sparged on the sorbent material, the material that drying makes, described extract III is to pulverize wet product with hydrobiont: the volume ratio of water=1: 0.5～3.5 is mixed, digestion is evaporated to 1.2～2.0 times of the wet product volume of protista pulverizing, ordinary method separate extracting solution, with inorganic salt as sorbent material, press extracting solution: the weight ratio of sorbent material=1: 10～150, it is sparged on the sorbent material, the material of dry gained, the inorganic salt extractive content of described natural water body substrate is 0～6% weight, and described hydrobiological inorganic salt extractive content is 0～6% weight.
3, growth regulator for marine plants according to claim 2 is characterized in that described inorganic salt are sodium-chlor.
4, growth regulator for marine plants according to claim 2, it is characterized in that described inorganic salt be can be used as described growth regulator for marine plants component nitrogenous compound and or P contained compound, the inorganic salt extractive content of described natural water body substrate is 0～97% weight, and described hydrobiological inorganic salt extractive content is 0～97% weight.
5, growth regulator for marine plants according to claim 2 is characterized in that described natural water body substrate is an ooze, and described hydrobiont is marine animal and or plant.
6, growth regulator for marine plants according to claim 1 also contains sulfocompound 0～30% weight and or silicon-containing compound 0～30% weight and or potassium-containing compound 0～30% weight and or iron containing compounds 0～8% weight in it is characterized in that forming.
7, the manufacture method of the described growth regulator for marine plants of a kind of claim 1 is characterized in that: 1. the seawater extract is that the preparation method of extract I is: seawater gets density p=1.270g/cm after separating sodium-chlor with nature Exposure to Sunlight evaporative crystallization method 3More than, i.e. the bittern of degree Beaume ° Be '=more than 31, described bittern heating evaporation to 110～136 ℃, crystallisation by cooling, ordinary method is separated and is got its solid, 105～125 ℃ of dryings; 2. mixed the nitrogenous and phosphorus compound of above-mentioned seawater extract 3%～50% weight that makes and 50%～97% weight.
8, the manufacture method of growth regulator for marine plants according to claim 7, it is characterized in that also adding the natural water body substrate the inorganic salt extract and or hydrobiological inorganic salt extract: the inorganic salt extract that 1. prepares the natural water body substrate is that the method for extract II is: with the water body substrate: the volume ratio of water=1: 1.5～4.0 is mixed, when digestion is evaporated to 1.2～2.0 times of former substrate volume, routine separate extracting solution, with inorganic salt as sorbent material, press its extracting solution: the weight ratio of sorbent material=1: 20～150, extracting solution is sparged on the sorbent material drying;
2. the method that to prepare hydrobiological inorganic salt extract be the extract III is: pulverize wet product with hydrobiont: the volume ratio of water=1: 0.5～3.5 mixes, digestion is evaporated to 1.2～2.0 times of the wet product volume of protista pulverizing, ordinary method separate extracting solution, with inorganic salt as sorbent material, press extracting solution: the weight ratio of sorbent material=1: 10～150, it is sparged on the sorbent material drying.
3. the extract II and III by the weight ratio of claim 3 or 4 and the extract I of 3%～50% weight mix or add again nitrogenous with or the phosphorated compound, make the extract II and or the compound of III sorbent material and adding in total nitrogen be 9.5%～43.9% weight that described growth regulator for marine plants is formed, total phosphorus is 0.68%～26.1% weight.
9, the manufacture method of growth regulator for marine plants according to claim 7, it is characterized in that to add sulfocompound 0～30% weight, with or silicon-containing compound 0～30% weight and or potassium-containing compound 0～30% weight and or iron containing compounds 0～8% weight mix.
10, the manufacture method of growth regulator for marine plants according to claim 8 is characterized in that described inorganic salt sorbent material is a sodium-chlor.
11, the manufacture method of growth regulator for marine plants according to claim 8 is characterized in that described inorganic salt sorbent material is nitrogenous compound and or the P contained compound that can be used as described growth regulator for marine plants component.
12, the manufacture method of growth regulator for marine plants according to claim 8 is characterized in that described natural water body substrate is an ooze, and described hydrobiont is marine animal and or plant.
CN95109424A 1995-08-10 1995-08-10 Growth regulator for marine plants and preparation thereof Expired - Fee Related CN1061018C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN95109424A CN1061018C (en) 1995-08-10 1995-08-10 Growth regulator for marine plants and preparation thereof

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CN1061018C true CN1061018C (en) 2001-01-24

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Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2318702A1 (en) * 1999-09-17 2001-03-17 Tamie Nasu Fertilizer with a chelate element
CN102649648B (en) * 2012-04-16 2013-12-25 中国冶金矿业长春矿产资源开发有限公司 Solid water ball silicon composite fertilizer and preparation process
CN103833441A (en) * 2012-11-24 2014-06-04 中国海洋大学 Preparation and application of novel plant nutrition supplement agent
CN105494481B (en) * 2015-12-15 2018-08-28 广东华汗农业科技有限公司 A kind of medicament and its preparation method and application preventing dehiscent fruit
CN111453746A (en) * 2020-04-01 2020-07-28 蔡梅初 Preparation and application method of bittern preparation for salt pan capable of improving quality and yield of agricultural products

Citations (3)

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Publication number Priority date Publication date Assignee Title
CN85103319A (en) * 1985-05-03 1986-11-05 日清制油株式会社 Method for culturing marine chlorella
US4666497A (en) * 1983-10-04 1987-05-19 Bio-Organics, Inc. Bioactivating system for increased plant growth and yields
JPS62122538A (en) * 1985-11-22 1987-06-03 帝国化学産業株式会社 Nutritive agent of laver

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4666497A (en) * 1983-10-04 1987-05-19 Bio-Organics, Inc. Bioactivating system for increased plant growth and yields
CN85103319A (en) * 1985-05-03 1986-11-05 日清制油株式会社 Method for culturing marine chlorella
JPS62122538A (en) * 1985-11-22 1987-06-03 帝国化学産業株式会社 Nutritive agent of laver

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