CN110521479A - A method of it improving China fir and phosphorus nutrients is utilized - Google Patents
A method of it improving China fir and phosphorus nutrients is utilized Download PDFInfo
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- CN110521479A CN110521479A CN201910844149.0A CN201910844149A CN110521479A CN 110521479 A CN110521479 A CN 110521479A CN 201910844149 A CN201910844149 A CN 201910844149A CN 110521479 A CN110521479 A CN 110521479A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C21/00—Methods of fertilising, sowing or planting
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G17/00—Cultivation of hops, vines, fruit trees, or like trees
- A01G17/005—Cultivation methods
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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
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F11/00—Other organic 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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Abstract
The invention discloses a kind of methods that raising China fir utilizes phosphorus nutrients, belong to China fir field of planting.The basal dressing phase uses synergist A 5-9kg per acre, and Stage of Top Dressing uses synergist B 11-27kg per acre；The synergist A, as unit of parts by weight, including following components: 20-33 parts of fulvic acid, 12-18 parts of magnesium sulfate, 8-16 parts of N-(n-butyl) thiophosphoric triamide, 11-15 parts of proline, 6-10 parts of fatty alcohol polyoxyethylene ether；The synergist B, as unit of parts by weight, including following components: 11-20 parts of natto gum, 12-15 parts of lipoic acid, 14-19 parts of vitamin b1,18-21 parts of vitamin c, 5-9 parts of ethyl cellulose, 7-13 parts of plants essential oil.Method of the invention is remarkably improved the P use efficiency of phosphate fertilizer, its utilization rate can be improved to 35-50%, the method of the present invention is also suitable for being used together with slow release fertilizer, cooperate the rational application of fertilizer, it is able to maintain long duration of action effect, fertilizer action time can also be extended to a certain extent, effectively facilitate Growth of Chinese Fir, higher economic benefit can be brought.
Description
Technical field
The present invention relates to China fir field of planting, more particularly to a kind of method that raising China fir utilizes phosphorus nutrients.
Background technique
In planting tree, in order to guarantee to provide sufficient nutrient to plant, need to apply fertilizer to crop.However, In
During actual fertilising, often occur that crop is caused to be unable to fully the problem of absorbing nutrient because of improper fertilization.In usual situation
Under, the expenditure of fertilizer occupies the larger specific gravity of investment.Therefore, for how effectively improving crop utilization rate of fertilizer, it is necessary to
It is proposed further solution.
The absorption rate and the Agronomic Use Efficiency of China's phosphate fertilizer are below world average level, and phosphate fertilizer utilization efficiency is only
10%-25%.A large amount of unemployed fertilizer not only result in waste of resources, and also create serious environmental pollution, raw to China
The sustainable development of state and the living environment of the mankind are constituted and are seriously threatened.
The disclosure of background above technology contents is only used for auxiliary and understands inventive concept and technical solution of the invention, not
The prior art for necessarily belonging to present patent application shows above content in the applying date of present patent application in no tangible proof
In the case where having disclosed, above-mentioned background technique should not be taken to the novelty and creativeness of evaluation the application.
Summary of the invention
It is an object of that present invention to provide a kind of methods that raising China fir utilizes phosphorus nutrients, to solve the above-mentioned prior art
Existing phosphorus nutrients utilization rate is low, and phosphate fertilizer can generate the technical issues of not environmentally influencing.
For this purpose, the present invention proposes following scheme:
A method of it improving China fir and phosphorus nutrients is utilized, the basal dressing phase uses synergist A5-9kg, Stage of Top Dressing per acre
Synergist B11-27kg is used per acre；
The synergist A, as unit of parts by weight, including following components: 20-33 parts of fulvic acid, 12-18 parts of magnesium sulfate,
8-16 parts of N-(n-butyl) thiophosphoric triamide, 11-15 parts of proline, 6-10 parts of fatty alcohol polyoxyethylene ether；
The synergist B, as unit of parts by weight, including following components: 11-20 parts of natto gum, 12-15 parts of lipoic acid,
B114-19 parts of vitamin, 18-21 parts of vitamin c, 5-9 parts of ethyl cellulose, 7-13 parts of plants essential oil.
Preferably, the basal dressing phase uses synergist A7.5kg per acre, and Stage of Top Dressing uses synergist B21kg per acre.
Preferably, the synergist A, as unit of parts by weight, including following components: 26 parts of fulvic acid, 15 parts of magnesium sulfate,
12 parts of N-(n-butyl) thiophosphoric triamide, 13 parts of proline, 8 parts of fatty alcohol polyoxyethylene ether.
Preferably, the synergist B, as unit of parts by weight, including following components: 16 parts of natto gum, 14 parts of lipoic acid,
B117 parts of vitamin, 19 parts of vitamin c, 7 parts of ethyl cellulose, 11 parts of plants essential oil.
Preferably, the preparation method of synergist A, comprising the following steps:
S1: fulvic acid, magnesium sulfate, N-(n-butyl) thiophosphoric triamide, proline are mixed, 300-350 purpose of being sieved
Mixture A；
S2: mixture A made from step S1 and fatty alcohol polyoxyethylene ether are added in blender, with 500-700rpm's
Speed stirs 20min, and synergist A is made.
Preferably, the preparation method of synergist B, comprising the following steps:
S1: being proportionally added into high-speed mixer for raw material, stirs 8min under conditions of revolving speed 300-500rpm, then
Dry 10min under conditions of 30 DEG C, 300 mesh of sieving obtain synergist B.
Preferably, the plants essential oil raw material is by cloves, Salvia japonica, Chinese prickly ash, capsicum with mass ratio 5-8:2-5:1-6:8-
12 compositions.
Preferably, the plants essential oil raw material is made of cloves, Salvia japonica, Chinese prickly ash, capsicum with mass ratio 6:4:3:10.
Preferably, the plants essential oil, preparation method includes the following steps:
S1: cloves, Salvia japonica, Chinese prickly ash, capsicum are mixed in proportion, are dried under the conditions of 28-40 DEG C to water content < 4-
8%, 15min is ground, 3 times of material quality of ligroin is then added, extracts 1.5-4h, collects filter residue after filtering；
S2: by filter residue and drying obtained by step S1 to water content < 5%, grinding 10min, cross 60 meshes, then by powder-
It is quick-frozen in 20 DEG C, 110min is kept, the wine of 8 times of mass concentration 85% of quality after filter residue and drying obtained by S1 is added after taking-up
Essence handles 1h under the ultrasound of 30kHz, refilters, take filtrate, is repeated 3 times, and through 0.30 μm of filter membrane hyperfiltration, drying is extremely
Water content is 1%, and plants essential oil can be obtained.
Preferably, it is dried under the conditions of 35 DEG C to water content < 5% in step S1.
The beneficial effect of the present invention compared with the prior art includes:
It is optimum embodiment 1. as shown in Table 1, maximum is increased in 2 groups of embodiment of annual.Embodiment 2 is than comparative example 1-
3, control group improves 18.9%, 25.4%, 38.6%, 73.6% in annual increased value respectively.It is real in full phosphorus variable quantity
The amplification for applying a 1-3 is 14.9%, 11.8%, 19.6%；Comparative example 1-3, control group amplification be 20.4%, 29.8%,
39.5%, 43.6%.It can be seen that being affected after lacking synergist A, B to Growth of Chinese Fir, and phosphorus nutrients utilization rate
Decline, Soil total nitrogen amplification increase；Fulvic acid commonly used in the prior art is used only in comparative example 3, although to a certain degree
On improve China fir increased value and phosphorus nutrients utilization rate, but have biggish reduction than the utilization rate of the phosphorus of embodiment 2.It is real
The content for applying P in the experimental forest of a 1-3 and the experimental forest of comparative example 1-3 is below national average value, it may be assumed that 0.78.From embodiment
The effect of 1-3 can greatly promote the utilization rate of phosphorus nutrients, can also avoid it is found that using method plantation China fir of the invention
Soil impacts environment because P elements are excessive.
2. the method for the present invention cost of material is lower, preparation process is simple, and need to only apply together with fertilizer can reach preferably
Effect, and its effect can maintain 1 year, greatly reduce the cost of forest farm maintenance, economic value with higher.
Specific embodiment
Invention is further described in detail With reference to embodiment.It is emphasized that following the description is only
It is merely exemplary, the range and its application being not intended to be limiting of the invention.
Embodiment 1
A method of it improving China fir and phosphorus nutrients is utilized, the basal dressing phase uses synergist A5kg per acre, and Stage of Top Dressing is every
Mu uses synergist B11kg；
The synergist A, as unit of parts by weight, including following components: 20 parts of fulvic acid, 12 parts of magnesium sulfate, normal-butyl
8 parts of thiophosphoric acid triamine, 11 parts of proline, 6 parts of fatty alcohol polyoxyethylene ether；
The synergist B, as unit of parts by weight, including following components: 11 parts of natto gum, 12 parts of lipoic acid, vitamin
B114 parts, 18 parts of vitamin c, 5 parts of ethyl cellulose, 7 parts of plants essential oil.
The preparation method of synergist A, comprising the following steps:
S1: fulvic acid, magnesium sulfate, N-(n-butyl) thiophosphoric triamide, proline are mixed, the mixing for 300 mesh that are sieved
Object A；
S2: mixture A made from step S1 and fatty alcohol polyoxyethylene ether are added in blender, with the speed of 500rpm
20min is stirred, synergist A is made.
The preparation method of synergist B, comprising the following steps:
S1: being proportionally added into high-speed mixer for raw material, 8min is stirred under conditions of revolving speed 300rpm, then 30
Dry 10min under conditions of DEG C, 300 mesh of sieving obtain synergist B.
Preferably, the plants essential oil raw material is made of cloves, Salvia japonica, Chinese prickly ash, capsicum with mass ratio 5:2:1:8.
The plants essential oil, preparation method includes the following steps:
S1: cloves, Salvia japonica, Chinese prickly ash, capsicum are mixed in proportion, are dried under the conditions of 28 DEG C to water content < 4%, are ground
15min is ground, 3 times of material quality of ligroin is then added, extracts 1.5h, collects filter residue after filtering；
S2: by filter residue and drying obtained by step S1 to water content < 5%, grinding 10min, cross 60 meshes, then by powder-
It is quick-frozen in 20 DEG C, 110min is kept, the wine of 8 times of mass concentration 85% of quality after filter residue and drying obtained by S1 is added after taking-up
Essence handles 1h under the ultrasound of 30kHz, refilters, take filtrate, is repeated 3 times, and through 0.30 μm of filter membrane hyperfiltration, drying is extremely
Water content is 1%, and plants essential oil can be obtained.
Embodiment 2
A method of it improving China fir and phosphorus nutrients is utilized, the basal dressing phase uses synergist A7.5kg, Stage of Top Dressing per acre
Synergist B21kg is used per acre；
The synergist A, as unit of parts by weight, including following components: 26 parts of fulvic acid, 15 parts of magnesium sulfate, normal-butyl
12 parts of thiophosphoric acid triamine, 13 parts of proline, 8 parts of fatty alcohol polyoxyethylene ether.
The synergist B, as unit of parts by weight, including following components: 16 parts of natto gum, 14 parts of lipoic acid, vitamin
B117 parts, 19 parts of vitamin c, 7 parts of ethyl cellulose, 11 parts of plants essential oil.
The preparation method of synergist A, comprising the following steps:
S1: fulvic acid, magnesium sulfate, N-(n-butyl) thiophosphoric triamide, proline are mixed, the mixing for 300 mesh that are sieved
Object A；
S2: mixture A made from step S1 and fatty alcohol polyoxyethylene ether are added in blender, with the speed of 600rpm
20min is stirred, synergist A is made.
The preparation method of synergist B, comprising the following steps:
S1: being proportionally added into high-speed mixer for raw material, 8min is stirred under conditions of revolving speed 400rpm, then 30
Dry 10min under conditions of DEG C, 300 mesh of sieving obtain synergist B.
The plants essential oil raw material is made of cloves, Salvia japonica, Chinese prickly ash, capsicum with mass ratio 6:4:3:10.
The plants essential oil, preparation method includes the following steps:
S1: cloves, Salvia japonica, Chinese prickly ash, capsicum are mixed in proportion, are dried under the conditions of 35 DEG C to water content < 5%, are ground
15min is ground, 3 times of material quality of ligroin is then added, extracts 2.5h, collects filter residue after filtering；
S2: by filter residue and drying obtained by step S1 to water content < 5%, grinding 10min, cross 60 meshes, then by powder-
It is quick-frozen in 20 DEG C, 110min is kept, the wine of 8 times of mass concentration 85% of quality after filter residue and drying obtained by S1 is added after taking-up
Essence handles 1h under the ultrasound of 30kHz, refilters, take filtrate, is repeated 3 times, and through 0.30 μm of filter membrane hyperfiltration, drying is extremely
Water content is 1%, and plants essential oil can be obtained.
Embodiment 3
A method of it improving China fir and phosphorus nutrients is utilized, the basal dressing phase uses synergist A9kg per acre, and Stage of Top Dressing is every
Mu uses synergist B27kg；
The synergist A, as unit of parts by weight, including following components: 33 parts of fulvic acid, 18 parts of magnesium sulfate, normal-butyl
16 parts of thiophosphoric acid triamine, 15 parts of proline, 10 parts of fatty alcohol polyoxyethylene ether；
The synergist B, as unit of parts by weight, including following components: 20 parts of natto gum, 15 parts of lipoic acid, vitamin
B119 parts, 21 parts of vitamin c, 9 parts of ethyl cellulose, 13 parts of plants essential oil.
The preparation method of synergist A, comprising the following steps:
S1: fulvic acid, magnesium sulfate, N-(n-butyl) thiophosphoric triamide, proline are mixed, the mixing for 350 mesh that are sieved
Object A；
S2: mixture A made from step S1 and fatty alcohol polyoxyethylene ether are added in blender, with the speed of 700rpm
20min is stirred, synergist A is made.
The preparation method of synergist B, comprising the following steps:
S1: being proportionally added into high-speed mixer for raw material, 8min is stirred under conditions of revolving speed 500rpm, then 30
Dry 10min under conditions of DEG C, 300 mesh of sieving obtain synergist B.
The plants essential oil raw material is made of cloves, Salvia japonica, Chinese prickly ash, capsicum with mass ratio 8:5:6:12.
The plants essential oil, preparation method includes the following steps:
S1: cloves, Salvia japonica, Chinese prickly ash, capsicum are mixed in proportion, are dried under the conditions of 40 DEG C to water content < 8%, are ground
15min is ground, 3 times of material quality of ligroin is then added, extracts 4h, collects filter residue after filtering；
S2: by filter residue and drying obtained by step S1 to water content < 5%, grinding 10min, cross 60 meshes, then by powder-
It is quick-frozen in 20 DEG C, 110min is kept, the wine of 8 times of mass concentration 85% of quality after filter residue and drying obtained by S1 is added after taking-up
Essence handles 1h under the ultrasound of 30kHz, refilters, take filtrate, is repeated 3 times, and through 0.30 μm of filter membrane hyperfiltration, drying is extremely
Water content is 1%, and plants essential oil can be obtained.
Comparative example 1
Raw material components are substantially the same manner as Example 2 with preparation method, have only the difference is that synergist A is not added.
Comparative example 2
Raw material components are substantially the same manner as Example 2 with preparation method, have only the difference is that synergist B is not added.
Comparative example 3
Raw material components are substantially the same manner as Example 2 with preparation method, have only the difference is that synergist A, B use fulvic acid generation
It replaces, base manure applies 1kg per acre, and 1.5kg is applied in top dressing per acre.
Experimenter in March, 2013 in Wuzhou Cangwu County village Gui Yan forest farm, with every 30m × 30m for an experimental forest, often
The protection ditch that a wide depth of circle is 30 × 50cm is dug around a experimental forest, the high 16-18cm China Fir Seedling of interior plantation same breed divides
Not Shi Yong embodiment 1-3, comparative example 1-3 method, separately plus one group of control group only normally apply fertilizer.Fertilization mode are as follows: use bar ditch
The application of shape method, the bar ditch of one a height of 1.5 × 0.3 × 0.3m of length and width of excavation line space trunk 30cm at, when application in ditch
Base manure is administered simultaneously, applies base manure in bottom of trench, for base manure by weight of 75kg per acre, base manure uses common commercially available organic-inorganic compound
Fertilizer.It is applied fertilizer every year using bag control fertilizer primary, each experimental forest acquires the pedotheque of 6 points, soil information using S type method
Data are averaged.Each experimental forest measures all China firs and is averaged, and according to soil information situation, in March, 2013 institute
Obtaining soil information is initial value；End in March, 2018, calculates the average data of each experimental forest, it is specific as shown in table 1.
1 China fir average year of table increases and P in soil value variation table
| Group | (m) is increased in annual | Full phosphorus variable quantity (g/kg) |
| Embodiment 1 | 1.44 | 0.47+0.07 |
| Embodiment 2 | 1.58 | 0.51+0.06 |
| Embodiment 3 | 1.51 | 0.46+0.09 |
| Comparative example 1 | 1.33 | 0.54+0.11 |
| Comparative example 2 | 1.26 | 0.47+0.14 |
| Comparative example 3 | 1.14 | 0.43+0.17 |
| Control group | 0.91 | 0.55+0.24 |
As shown in Table 1, maximum is increased in 2 groups of embodiment of annual, is optimum embodiment.Embodiment 2 than comparative example 1-3,
Control group improves 18.9%, 25.4%, 38.6%, 73.6% in annual increased value respectively.In full phosphorus variable quantity, implement
The amplification of example 1-3 is 14.9%, 11.8%, 19.6%；Comparative example 1-3, control group amplification be 20.4%, 29.8%,
39.5%, 43.6%.It can be seen that being affected after lacking synergist A, B to Growth of Chinese Fir, and phosphorus nutrients utilization rate
Decline, Soil total nitrogen amplification increase；Fulvic acid commonly used in the prior art is used only in comparative example 3, although to a certain degree
On improve China fir increased value and phosphorus nutrients utilization rate, but have biggish reduction than the utilization rate of the phosphorus of embodiment 2.It is real
The content for applying P in the experimental forest of a 1-3 and the experimental forest of comparative example 1-3 is below national average value, it may be assumed that 0.78.From embodiment
The effect of 1-3 can greatly promote the utilization rate of phosphorus nutrients, can also avoid it is found that using method plantation China fir of the invention
Soil impacts environment because P elements are excessive.
10056 although the present invention and its advantages have been described in detail, it should be appreciated that do not deviating the spirit and scope of the present invention
It is interior, it can make a variety of changes, replace and change.In addition, what the range that the present invention applies was not limited to describe in specification
Process, machine, manufacture, material composition, mode, method and steps specific embodiment.From disclosure of the invention, art technology
Personnel substantially perform easy to use and corresponding embodiment identical function described herein or realize showing for identical result
It is having or later by the process of exploitation, machine, manufacture, material composition, mode, method or step.Therefore, appended claims are anticipated
It is including these processes, machine, manufacture, material composition, mode, method or step.
Claims (10)
1. a kind of method for improving China fir and being utilized to phosphorus nutrients, which is characterized in that the basal dressing phase uses synergist A 5- per acre
9kg, Stage of Top Dressing use synergist B11-27kg per acre；
The synergist A, as unit of parts by weight, including following components: 20-33 parts of fulvic acid, 12-18 parts of magnesium sulfate, positive fourth
8-16 parts of base thiophosphoric acid triamine, 11-15 parts of proline, 6-10 parts of fatty alcohol polyoxyethylene ether；
The synergist B, as unit of parts by weight, including following components: 11-20 parts of natto gum, 12-15 parts of lipoic acid, dimension life
B114-19 parts plain, 18-21 parts of vitamin c, 5-9 parts of ethyl cellulose, 7-13 parts of plants essential oil.
2. improving the method that China fir utilizes phosphorus nutrients as described in claim 1, which is characterized in that the basal dressing phase is every
Mu uses synergist A7.5kg, and Stage of Top Dressing uses synergist B21kg per acre.
3. improving the method that China fir utilizes phosphorus nutrients as described in claim 1, which is characterized in that the synergist A, with
Parts by weight are unit, including following components: 26 parts of fulvic acid, 15 parts of magnesium sulfate, 12 parts of N-(n-butyl) thiophosphoric triamide, proline
13 parts, 8 parts of fatty alcohol polyoxyethylene ether.
4. the method according to any one of claims 1-4 for improving China fir and being utilized to phosphorus nutrients, which is characterized in that the increasing
Agent B is imitated, as unit of parts by weight, including following components: 16 parts of natto gum, 14 parts of lipoic acid, b117 parts of vitamin, vitamin c
19 parts, 7 parts of ethyl cellulose, 11 parts of plants essential oil.
5. the method according to any one of claims 1-4 for improving China fir and being utilized to phosphorus nutrients, which is characterized in that synergist
The preparation method of A, comprising the following steps:
S1: fulvic acid, magnesium sulfate, N-(n-butyl) thiophosphoric triamide, proline are mixed, the mixing for the 300-350 mesh that is sieved
Object A；
S2: mixture A made from step S1 and fatty alcohol polyoxyethylene ether are added in blender, with the speed of 500-700rpm
20min is stirred, synergist A is made.
6. improving the method that China fir utilizes phosphorus nutrients as described in claim 1, which is characterized in that the preparation of synergist B
Method, comprising the following steps:
S1: being proportionally added into high-speed mixer for raw material, 8min is stirred under conditions of revolving speed 300-500rpm, then 30
Dry 10min under conditions of DEG C, 300 mesh of sieving obtain synergist B.
7. the method as claimed in any one of claims 1 to 6 for improving China fir and being utilized to phosphorus nutrients, which is characterized in that the plant
Object essential oil raw material is made of cloves, Salvia japonica, Chinese prickly ash, capsicum with mass ratio 5-8:2-5:1-6:8-12.
8. improving the method that China fir utilizes phosphorus nutrients as claimed in claim 7, which is characterized in that the plants essential oil is former
Material is made of cloves, Salvia japonica, Chinese prickly ash, capsicum with mass ratio 6:4:3:10.
9. the method utilized such as the described in any item raising China firs of claim 1-8 to phosphorus nutrients, which is characterized in that the plant
Object essential oil, preparation method includes the following steps:
S1: cloves, Salvia japonica, Chinese prickly ash, capsicum are mixed in proportion, are dried under the conditions of 28-40 DEG C to water content < 4-8%, are ground
15min is ground, 3 times of material quality of ligroin is then added, extracts 1.5-4h, collects filter residue after filtering；
S2: by filter residue and drying obtained by step S1 to water content < 5%, 10min is ground, 60 meshes are crossed, then by powder at -20 DEG C
In it is quick-frozen, keep 110min, the alcohol of 8 times of mass concentration 85% of quality after filter residue and drying obtained by S1, In be added after taking-up
1h is handled under the ultrasound of 30kHz, is refiltered, filtrate is taken, is repeated 3 times, it is dry to water content through 0.30 μm of filter membrane hyperfiltration
It is 1%, plants essential oil can be obtained.
10. improving the method that China fir utilizes phosphorus nutrients as claimed in claim 9, which is characterized in that 35 in step S1
It dries under the conditions of DEG C to water content < 5%.
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| CN114133275A (en) * | 2021-09-08 | 2022-03-04 | 新洋丰农业科技股份有限公司 | Fiber chelating type monoammonium phosphate and preparation method thereof |
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