CN109516875A - Chinese fir Fast growing stage special fertilizer with slow release effect - Google Patents
Chinese fir Fast growing stage special fertilizer with slow release effect Download PDFInfo
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- CN109516875A CN109516875A CN201811626684.0A CN201811626684A CN109516875A CN 109516875 A CN109516875 A CN 109516875A CN 201811626684 A CN201811626684 A CN 201811626684A CN 109516875 A CN109516875 A CN 109516875A
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Classifications
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D1/00—Fertilisers containing potassium
- C05D1/04—Fertilisers containing potassium from minerals or volcanic rocks
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C21/00—Methods of fertilising, sowing or planting
- A01C21/007—Determining fertilization requirements
-
- 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
-
- 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
- C05G3/90—Mixtures of one or more fertilisers with additives not having a specially fertilising activity for affecting the nitrification of ammonium compounds or urea in the soil
-
- 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
- C05G5/30—Layered or coated, e.g. dust-preventing coatings
- C05G5/37—Layered or coated, e.g. dust-preventing coatings layered or coated with a polymer
Abstract
The invention discloses a kind of Chinese fir Fast growing stage special fertilizer with slow release effect, including following raw material: N fertilizer, P fertilizer, K fertilizer, auxiliary material, membrane material；Wherein, the auxiliary material includes following raw material: dolomite, carnallite, radish, konjac glucomannan, cicada slough, honeycomb, fresh-water turtle shell, S- abscisic acid, compound sodium nitrophenolate, microorganism formulation；The membrane material includes following raw material: medical stone, konjac glucomannan, polyacrylic acid-acrylamide, hydroxypropyl methyl cellulose, hydroxypropyl methylcellulose phthalate, polyvinyl alcohol, polyhexamethylene guanide, sodium carbonate.This fertilizer has certain slow releasing function, and the synergistic effects such as sodium carbonate, microorganism formulation being added help to decompose Chinese fir leaf, and in the case where same fertilizer amount, Chinese fir grows faster, and yield can improve 21-26%.
Description
[technical field]
The invention belongs to fertilizer preparation technical fields, and in particular to a kind of Chinese fir Fast growing stage with slow release effect is dedicated
Fertilizer.
[background technique]
Chinese fir is the important fast-growing commerical tree species of south China, has the characteristics that growth is fast, yield is high, purposes is wide, finished product
China fir form road is directly satisfactory, and the grain of wood is logical straight, material is gently tough, and intensity is applicable in, fragrant odour, pest-resistant corrosion resistant, in building, bridge
The fields such as beam, shipbuilding, furniture are widely used.Chinese fir growth and development can divide 4 stages: 1. treelet stage (2-4 life): plant
1-2 is convalescence afterwards, and then root system is largely mitogenetic, and leading shoot growth is gradually vigorous, and tree crown starts to extend, and just has tree-like.2. speed
Raw stage (5-15 is raw): setting high growth in thickness into vigorous period, and root system develops both in depth and in breadth, and young growth starts closing,
The contradiction of contention fertilizer, water, light is generated between forest.3. the bole stage (15-20 is raw): growth in volume is rapid, and core material ratio increases,
It sets high growth in thickness to slow down, self-pruning is strong, and suppressed tree largely occurs and is eliminated, and shows space and room not
Foot.4. the stage of ripeness (25-30 is raw): Tree height growth decline, growth in volume tend to be steady and reach quantitative maturity, core material ratio
It dramatically increases, dense materials are solid, can fell utilization at this time.
Chinese fir has different demands to nutrient in different growing stages, and Fast growing stage is the critical period of Chinese fir growth, right
Nutritional need is vigorous, but at present there is also fertilizer ratio is unreasonable, not scientific with fertilizer, affects the growth of Chinese fir, causes material
The problems such as matter is bad, growth cycle is long.
[summary of the invention]
The present invention provides a kind of Chinese fir Fast growing stage special fertilizer with slow release effect, unreasonable to solve fertilizer ratio,
It is not scientific with fertilizer, the growth of Chinese fir is affected, the problems such as material is bad, growth cycle is long is caused.
Chinese fir Fast growing stage special fertilizer with slow release effect, the special fertilizer include following raw material: N fertilizer, P are fertile, K is fertile,
Auxiliary material, membrane material；Wherein, the auxiliary material includes following raw material: dolomite, carnallite, radish, konjac glucomannan, cicada slough, honeycomb,
Fresh-water turtle shell, S- abscisic acid, compound sodium nitrophenolate, microorganism formulation；The membrane material includes following raw material: medical stone, konjac glucomannan, poly- third
Olefin(e) acid-acrylamide, hydroxypropyl methyl cellulose, hydroxypropyl methylcellulose phthalate, polyvinyl alcohol, poly- six methylene
Base guanidine, sodium carbonate.
The microorganism formulation includes Bacillus alcaligenes.
The microorganism formulation includes one of yeast flora, lactobacillus, photosynthetic bacteria group, bacillus, actinomyces
Or it is a variety of.
The supplementary product consumption is 0.08-0.3 times of the sum of N fertilizer, P fertilizer, K fertilizer three's weight.
The membrane material dosage is 0.1-0.2 times of the sum of N fertilizer, P fertilizer, K fertilizer three's weight.
The present invention also provides the use method for determination of amount of N, P, K in a kind of Chinese fir special fertilizer:
S1: selecting investigation sample prescription in Chinese fir Lin Zhongxuan to be applied fertilizer, and measures the Chinese fir diameter of a cross-section of a tree trunk 1.3 meters above the ground and tree height in sample prescription and calculates Chinese fir
Mean DBH increment and tree are high, cut down as standard selection criteria wood, distinguish section with every 2m by Monsic Slice by slice cutting method for one, press
Tree root, trunk, branch, four organoid of leaf divide and weigh fresh weight respectively, choose representative sample from four organoids
And fresh weight is weighed respectively, dry weight is weighed after drying to constant weight respectively again, finally calculates the total of four organoid biomass of standard Chinese fir
Dry weight；
S2: take respectively the tree root in step S1, trunk, branch, four organoid of leaf representative sample and weigh respectively
Then fresh weight measures the content of tree root, the full N of four organoid of trunk, branch and leaf, full P, full K respectively；
S3: measuring N, P in Chinese fir woods soil to be applied fertilizer, K element content, calculates the utilization rate of soil N P, K；
S4: Chinese fir is calculated separately out to the demand of N, P, K element using formula, wherein formula is
In formula:
Y is demand of the Chinese fir to N (P or K), kg/hm2；
WRootFor tree root biomass dry weight, t/hm2；
XRootFor the content of tree root N (P or K), g/kg；
WIt is dryFor main dry biomass dry weight, t/hm2；
XIt is dryFor the content of trunk N (P or K), g/kg；
WBranchFor branch biomass dry weight, t/hm2；
XBranchFor the content of branch N (P or K), g/kg；
WLeafFor leaf biomass dry weight, t/hm2；
XLeafFor the content of leaf N (P or K), g/kg；
C is the content of N (P or K) in soil, mg/kg；
D is the soil weight, g/cm3；
H is root system depth, cm；
A is forest cover (Chinese fir hat width accounting)；
T is the utilization rate of N (P or K) in soil, %；
F is the utilization rate of N (P or K) in fertilizer, %.
N in the step S2 is measured as full nitrogen, using " measurements of forest plants and the full nitrogen of forest litter "；P,
K's is measured as full phosphorus, full potassium, using " forest plants and forest litter total silicon, iron, aluminium, calcium, magnesium, potassium, sodium, phosphorus, sulphur,
Manganese, copper, Direct spectrophotometry ".
The measurement of full N in the step S2 uses the way of distillation, and the measurement of full P uses molybdenum antimony resistance colorimetric method, the measurement of full K
Use flame spectrometry.
The partial size of the special fertilizer is 5-10mm.
The invention has the advantages that Chinese fir special fertilizer of the invention has fully considered the nutritional need of Chinese fir and soil is combined to support
Divide the multinomial factors such as utilization rate, utilization rate of fertilizer, so that the special fertilizer of preparation not only can satisfy Chinese fir growth demand, Er Qieke
To avoid fertilizer waste, shorten growth cycle.This fertilizer also has certain slow releasing function, the sodium carbonate of addition, microorganism system
The synergistic effects such as agent help to decompose Chinese fir leaf, and in the case where same fertilizer amount, Chinese fir grows faster, and yield can improve
21-26%.Radish calcium content is higher.The microorganism formulation used can accelerate the decomposition of dead leaf in Chinese fir Soil Surrounding, improve
Resource utilization can reduce the 2-5% of Fertilizer application amount.
[specific embodiment]
It to facilitate a better understanding of the present invention, is illustrated by following embodiment, these embodiments belong to of the invention
Protection scope, but do not limit the scope of the invention.
Embodiment 1
Chinese fir Fast growing stage special fertilizer with slow release effect, special fertilizer include following raw material: N fertilizer, P fertilizer, K fertilizer, auxiliary material,
Membrane material；Wherein, auxiliary material includes following raw material: dolomite, carnallite, radish, konjac glucomannan, cicada slough, honeycomb, fresh-water turtle shell, S-
Abscisic acid, compound sodium nitrophenolate, microorganism formulation；Membrane material includes following raw material: medical stone, konjac glucomannan, polyacrylic acid-acryloyl
Amine, hydroxypropyl methyl cellulose, hydroxypropyl methylcellulose phthalate, polyvinyl alcohol, polyhexamethylene guanide, carbonic acid
Sodium.
Microorganism formulation includes Bacillus alcaligenes.
Microorganism formulation includes one of yeast flora, lactobacillus, photosynthetic bacteria group, bacillus, actinomyces or more
Kind.
Supplementary product consumption is 0.3 times of the sum of N fertilizer, P fertilizer, K fertilizer three's weight.
Membrane material dosage is 0.2 times of the sum of N fertilizer, P fertilizer, K fertilizer three's weight.
The present invention also provides the use method for determination of amount of N, P, K in a kind of Chinese fir special fertilizer:
S1: selecting investigation sample prescription in Chinese fir Lin Zhongxuan to be applied fertilizer, and measures the Chinese fir diameter of a cross-section of a tree trunk 1.3 meters above the ground and tree height in sample prescription and calculates Chinese fir
Mean DBH increment and tree are high, cut down as standard selection criteria wood, distinguish section with every 2m by Monsic Slice by slice cutting method for one, press
Tree root, trunk, branch, four organoid of leaf divide and weigh fresh weight respectively, choose representative sample from four organoids
And fresh weight is weighed respectively, dry weight is weighed after drying to constant weight respectively again, finally calculates the total of four organoid biomass of standard Chinese fir
Dry weight；
S2: take respectively the tree root in step S1, trunk, branch, four organoid of leaf representative sample and weigh respectively
Then fresh weight measures the content of tree root, the full N of four organoid of trunk, branch and leaf, full P, full K respectively；
S3: measuring N, P in Chinese fir woods soil to be applied fertilizer, K element content, calculates the utilization rate of soil N P, K；
S4: Chinese fir is calculated separately out to the demand of N, P, K element using formula, wherein formula is
In formula:
Y is demand of the Chinese fir to N (P or K), kg/hm2；
WRootFor tree root biomass dry weight, t/hm2；
XRootFor the content of tree root N (P or K), g/kg；
WIt is dryFor main dry biomass dry weight, t/hm2；
XIt is dryFor the content of trunk N (P or K), g/kg；
WBranchFor branch biomass dry weight, t/hm2；
XBranchFor the content of branch N (P or K), g/kg；
WLeafFor leaf biomass dry weight, t/hm2；
XLeafFor the content of leaf N (P or K), g/kg；
C is the content of N (P or K) in soil, mg/kg；
D is the soil weight, g/cm3；
H is root system depth, cm；
A is forest cover (Chinese fir hat width accounting)；
T is the utilization rate of N (P or K) in soil, %；
F is the utilization rate of N (P or K) in fertilizer, %.
N in step S2 is measured as full nitrogen, using " measurements of forest plants and the full nitrogen of forest litter "；P, K
Be measured as full phosphorus, full potassium, using " forest plants and forest litter total silicon, iron, aluminium, calcium, magnesium, potassium, sodium, phosphorus, sulphur, manganese,
Copper, Direct spectrophotometry ".
The measurement of full N in step S2 uses the way of distillation.
The measurement of full P in step S2 uses molybdenum antimony resistance colorimetric method.
The measurement of full K in step S2 uses flame spectrometry.The partial size of special fertilizer is 10mm.
Test process:
5 years age of trees and the essentially identical Chinese fir woods of 8 years age of tree robust growths, growing ways are selected to make in Tiane counties and districts woods piece forest farm
It for test plot, obtains after measured, 5 years age of tree Chinese fir timbered soil capacity are 1.24, and root system depth is 63cm, forest cover
(Chinese fir hat width accounting) is 0.6, N element content 85.3mg/kg in soil, P element content 1.1mg/kg in soil, K in soil
Constituent content 23.9mg/kg, the utilization rate 32% of N element in soil, the utilization rate 18% of P element in soil, K element in soil
Utilization rate 35%, the utilization rate 33% of N element in fertilizer, the utilization rate 20% of P element in fertilizer, in fertilizer K element benefit
With rate 46%.8 years age of tree Chinese fir timbered soil capacity are 1.02, and root system depth is 95cm, and (Chinese fir hat width accounts for forest cover
Than) it is 0.7, N element content 114.6mg/kg in soil, P element content 1.0mg/kg in soil, K element content in soil
39.9mg/kg, the utilization rate 36% of N element in soil, the utilization rate 20% of P element in soil, in soil K element utilization rate
42%, the utilization rate 32% of N element in fertilizer, the utilization rate 21% of P element in fertilizer, in fertilizer K element utilization rate 44%.
In test plot, 3 investigation sample prescriptions are randomly choosed, each investigation sample prescription (20m × 20m) is with enclosing ruler and altitude meter
The diameter of a cross-section of a tree trunk 1.3 meters above the ground and the tree for measuring Chinese fir are high, and the Chinese fir for selecting 1 plant of diameter of a cross-section of a tree trunk 1.3 meters above the ground and tree height to meet measurement mean value is cuted down, uses as normal wood
Monsic Slice by slice cutting method, every 2m are a differentiation section, (contain major branch and side according to tree root (containing taproot and lateral root), trunk, branch
Branch), leaf weigh each organ of whole tree body fresh weight.Each organ takes a small amount of representative sample to weigh fresh weight respectively, is then dried to
Constant weight weighs dry weight again, calculates each organ moisture content, finally calculates the biomass gross dry weight of each organ of normal wood.
Use full N, full P, full K content: the full N of the organs such as full tree alimentation measurement Chinese fir tree root, trunk, branch, leaf
It is measured according to standard LY/T 1269-1999 " measurements of forest plants and the full nitrogen of forest litter " using the way of distillation；Full K
According to standard LY/T 1270-1999 " forest plants and forest litter total silicon, iron, aluminium, calcium, magnesium, potassium, sodium, phosphorus, sulphur,
Manganese, copper, Direct spectrophotometry " disappeared using nitric acid-perchloric acid and is boiled, atomic absorption spectroscopy determination；Full P uses nitric acid-perchloric acid
Disappear and boils, molybdenum antimony resistance colorimetric method measurement；Measurement result is as shown in table 1, table 2.
Tree alimentation measures each organotrophy's constituent content of 5 years age of tree Chinese firs to table 1 entirely
| Organ | Biomass dry weight (t/hm2) | N(g/kg) | P(g/kg) | K(g/kg) |
| Tree root | 7.48 | 4.17 | 0.80 | 3.24 |
| Trunk | 39.33 | 2.43 | 0.48 | 1.82 |
| Branch | 37.46 | 6.08 | 1.02 | 3.46 |
| Leaf | 9.54 | 19.71 | 1.72 | 8.41 |
Tree alimentation measures each organotrophy's constituent content of 8 years age of tree Chinese firs to table 2 entirely
| Organ | Biomass dry weight (t/hm2) | N(g/kg) | P(g/kg) | K(g/kg) |
| Tree root | 14.98 | 4.41 | 0.91 | 4.05 |
| Trunk | 66.76 | 2.70 | 0.61 | 1.78 |
| Branch | 13.74 | 5.93 | 1.02 | 6.44 |
| Leaf | 18.42 | 20.92 | 1.67 | 11.06 |
It is computed, 5 age Chinese firs are N:P using the proportion of fertilizer2O5:K2O=15:11:9,8 age Chinese firs use fertilizer
Proportion be N:P2O5:K2O=14:11:10.
Comparative example 1
The Common compound fertilizer proportion sold using market is N:P2O5:K2O=15:15:15, the fertilizer for applying 1 with embodiment are applied
It is all the same with time, fertilizer application frequency and dose.
In the essentially identical Chinese fir forest land of 5 years age of trees of test plot simultaneous selection and 8 years age of tree robust growths, growing ways, often
The kind age of tree selects Chinese fir 400 respectively, is divided into 2 groups, every group 400, fertilizer uses the fertilizer of embodiment 1 and comparative example 1 respectively
Material, each tree fertilising 0.5kg, other pipe irrigation projects are identical, and 5 years age of trees and 8 years age of trees are applied fertilizer 1 time in March current year, apply every time
Fertilizer amount 1250kg/hm2.After Chinese fir special fertilizer, the mean stand height of every group of Chinese fir, the diameter of a cross-section of a tree trunk 1.3 meters above the ground are counted respectively, and is made within continuous 3 years
The fertilizer efficiency phase.
3 statistical data list of table (5 years age of trees)
4 statistical data list of table (8 years age of trees)
From table 3, table 4 it is found that using the embodiment of the present invention 1 compared with the comparative example 1 for using common fertilizer, embodiment 1
Tree is high, the diameter of a cross-section of a tree trunk 1.3 meters above the ground is superior to comparative example 1, the China fir average product of 5 years and 8 years age of trees is respectively increased after continuous use 3 years
21.81% and 26.71%, and the fertilizer efficiency period of embodiment 1 is longer, therefore, fertilizer prepared by the present invention is to Chinese fir Fast growing stage
Growth is significant.
Claims (10)
1. the Chinese fir Fast growing stage special fertilizer with slow release effect, which is characterized in that the special fertilizer includes following raw material: N member
Element, P element, K element, auxiliary material, membrane material；Wherein:
The auxiliary material is the 1-4% of special fertilizer weight, including following raw material: dolomite, carnallite, radish, konjac glucomannan, cicada
It sloughs off, honeycomb, fresh-water turtle shell, S- abscisic acid, compound sodium nitrophenolate, microorganism formulation；
The membrane material is the 3-6% of special fertilizer weight, including following raw material: medical stone, konjac glucomannan, polyacrylic acid-acryloyl
Amine, hydroxypropyl methyl cellulose, hydroxypropyl methylcellulose phthalate, polyvinyl alcohol, polyhexamethylene guanide, sodium carbonate
Hydrogen ammonium, calcium nitrate.
2. according to claim 1 with the Chinese fir Fast growing stage special fertilizer of slow release effect, which is characterized in that the Chinese fir is special
It is determined with N element, P element, K element usage amount in fertilizer using following methods:
S1: selecting investigation sample prescription in Chinese fir Lin Zhongxuan to be applied fertilizer, and the mean DBH increment of Chinese fir and tree height in sample prescription is measured, as standard
Selection criteria wood is cuted down, and by tree root, trunk, branch, leaf classification and is weighed fresh weight respectively, is chosen tree root, trunk, tree respectively
The representative sample weighing fresh weight of branch, leaf, weighs dry weight respectively again, calculates separately standard Chinese fir tree after then drying to constant weight
Root, trunk, branch, leaf biomass gross dry weight；
S2: tree root in step S1, trunk, branch, leaf representative sample are taken and weighs fresh weight respectively, after then drying to constant weight again
Dry weight is weighed respectively, finally measures full N, full P, full K content respectively；
S3: N element, P element, the utilization rate of K element in Chinese fir woods soil to be applied fertilizer are measured；
S4: the usage amount of N element, P element, K element in Chinese fir special fertilizer is calculated separately out using formula
In formula:
Y is demand of the Chinese fir to N (P or K), kg/hm2；
WRootFor tree root biomass dry weight, t/hm2；
XRootFor the content of tree root N (P or K), g/kg；
WIt is dryFor main dry biomass dry weight, t/hm2；
XIt is dryFor the content of trunk N (P or K), g/kg；
WBranchFor branch biomass dry weight, t/hm2；
XBranchFor the content of branch N (P or K), g/kg；
WLeafFor leaf biomass dry weight, t/hm2；
XLeafFor the content of leaf N (P or K), g/kg；
C is the content of N (P or K) in soil, mg/kg；
D is the soil weight, g/cm3；
H is root system depth, cm；
A is forest cover (Chinese fir hat width accounting)；
T is the utilization rate of N (P or K) in soil, %；
F is the utilization rate of N (P or K) in fertilizer, %.
3. according to claim 1 with the Chinese fir Fast growing stage special fertilizer of slow release effect, which is characterized in that the microorganism
Preparation includes Bacillus alcaligenes.
4. according to claim 2 with the Chinese fir Fast growing stage special fertilizer of slow release effect, which is characterized in that the microorganism
Preparation further includes one of yeast flora, lactobacillus, photosynthetic bacteria group, bacillus, actinomyces or a variety of.
5. according to claim 1 with the Chinese fir Fast growing stage special fertilizer of slow release effect, which is characterized in that the auxiliary material is used
Amount is 0.12-0.6 times of the sum of N element, P element, K element three's weight.
6. Fast growing stage Chinese fir special fertilizer according to claim 1, which is characterized in that the membrane material dosage is N element, P
0.07-0.16 times of the sum of element, K element three's weight.
7. according to claim 6 with the Chinese fir Fast growing stage special fertilizer of slow release effect, which is characterized in that the step S2
In N be measured as full nitrogen, using " measurements of forest plants and the full nitrogen of forest litter "；P, K is measured as full phosphorus, complete
Potassium, using " forest plants and forest litter total silicon, iron, aluminium, calcium, magnesium, potassium, sodium, phosphorus, sulphur, manganese, copper, Direct spectrophotometry ".
8. according to claim 7 with the Chinese fir Fast growing stage special fertilizer of slow release effect, which is characterized in that the step S2
In full N measurement use the way of distillation, the measurement molybdenum antimony resistance colorimetric method of full P, full K flame spectrometry.
9. according to claim 1 with the Chinese fir Fast growing stage special fertilizer of slow release effect, which is characterized in that the special fertilizer
Aobvious alkalinity, pH7.5-8.0.
10. according to claim 1 with the Chinese fir Fast growing stage special fertilizer of slow release effect, which is characterized in that described dedicated
The partial size of fertilizer is 5-10mm.
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| CN201811626684.0A CN109516875A (en) | 2018-12-28 | 2018-12-28 | Chinese fir Fast growing stage special fertilizer with slow release effect |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811626684.0A CN109516875A (en) | 2018-12-28 | 2018-12-28 | Chinese fir Fast growing stage special fertilizer with slow release effect |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110367020A (en) * | 2019-08-07 | 2019-10-25 | 广东省林业科学研究院 | A kind of nutrient application methods in red cone seedling stage |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103927687A (en) * | 2014-04-23 | 2014-07-16 | 广西力源宝科技有限公司 | Intelligent fertilization system for China firs |
| CN105367241A (en) * | 2015-11-26 | 2016-03-02 | 南宁市金沙壮畜牧养殖有限责任公司 | Special controlled release fertilizer for mangoes and preparation method for fertilizer |
-
2018
- 2018-12-28 CN CN201811626684.0A patent/CN109516875A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103927687A (en) * | 2014-04-23 | 2014-07-16 | 广西力源宝科技有限公司 | Intelligent fertilization system for China firs |
| CN105367241A (en) * | 2015-11-26 | 2016-03-02 | 南宁市金沙壮畜牧养殖有限责任公司 | Special controlled release fertilizer for mangoes and preparation method for fertilizer |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110367020A (en) * | 2019-08-07 | 2019-10-25 | 广东省林业科学研究院 | A kind of nutrient application methods in red cone seedling stage |
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