CN102850119A - Special controlled-release fertilizer for container seedling raising of larch and application thereof - Google Patents
Special controlled-release fertilizer for container seedling raising of larch and application thereof Download PDFInfo
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Abstract
The invention relates to a special controlled release fertilizer for container seedling raising of larch (Larix spp.) and application thereof. The special controlled-release fertilizer contains the following components: nitrogen, phosphorus pentoxide, potassium oxide, magnesium, iron, boron, manganese, zinc, copper and molybdenum. The controlled-release fertilizer with a special formula provided by the invention is designed aiming at nutrient characteristics of matrix for facility seedling raising of larch and nutrient requirements in each growth stage in a larch seedling stage, and overcomes the defects of long cultivation cycle, multiple times of fertilization, high labor cost and low fertilizer utilization rate in traditional field seedbed bare root seedling raising of larch.
Description
Technical field
The present invention relates to Controlled Release Fertilizer field in the production of forestry, specifically a kind of special-purpose control-release fertilizer of tamarack container nursery the invention still further relates to its application process.
Background technology
Tamarack has strong adaptability, early stage fast-growing, the characteristics fast, that disease and pest is few, material is good of growing into forest, being important pulpwood and the building wood species of China northeast, northwest, the inferior high Mountain area in North China and south, also is the Major Tree Species Planted of conceding the land to forestry and shelter-forest project.China tamarack (Larix spp.) producing region mainly is positioned at outlying mountain area underdeveloped or national forest area, naked means of growing seedlings in seedbed, land for growing field crops that tamarack is grown seedlings and also generally adopts peasant's mode in the production, growing-seedling period is 2 years, grow seedlings every year and use ammonium sulfate, middle and later periods application of phosphoric acid potassium dihydrogen early stage, fertilizer application frequency is nearly 10 times in growing-seedling period, also will spray water after each fertilising in case burn seedling, cost of labor is high, and utilization rate of fertilizer is low.
Along with the raising of breeding and seedling nursing with equipment technology and intensive level, the greenhouse container nursery has become the development trend of cultivating seedlings.It is different to grow seedlings in container nursery and seedbed, particularly grows seedlings for closed container, and the matrix fertility is poor, mainly supplements the nutrients by artificially applying fertilizer, and coating controlled-release fertilizer becomes its desirable nutrient source.
Coating controlled-release fertilizer is the class fertilizer with slow-releasing and controlled-releasing action of developing in recent years, to preset the fertilizer release mode, its nutrient is discharged with crop nutrition content absorb synchronously, thereby improve utilization rate of fertilizer, save manpower, alleviate improper fertilising to the pollution of environment.
For a long time, China's chemical fertilizers production kind is single, and take the instant chemical fertilizer of lower concentration simple substance as main, chemical fertilizer utilization ratio is low, and environmental pollution is serious.According to FAO statistics, China may be the minimum country of utilization rate of nitrogen fertilizer in the world, and utilization rate of nitrogen fertilizer only is 30%～35%, and phosphate fertilizer only is 10%～25%, and potash fertilizer is 35%～50%, well below developed country's level.
Use release and release control fertilizer can make nitrogen use efficiency reach 60%～80%, in the situation that reach identical output, can reduce rate of fertilizer application about 50%.Breeding and seedling nursing with equipment technology and intensive greenhouse container nursery have become the development trend of cultivating seedlings.
At present, it is blank that the research of China's tamarack container nursery Controlled Release Fertilizer and application still belong to, and researches and develops its special-purpose control-release fertilizer significant to improving China's tamarack breeding efficiency and intensive degree.
Summary of the invention
The object of the present invention is to provide special-purpose control-release fertilizer and the application process thereof of the micro-specific proportionings such as N, the P, K and the magnesium that are suitable for tamarack container growth of seedling, iron, boron, manganese, zinc, copper, molybdenum.
A kind of tamarack container nursery special-purpose control-release fertilizer provided by the invention contains following composition: nitrogen, Vanadium Pentoxide in FLAKES, potassium oxide, magnesium, iron, boron, manganese, zinc, copper and molybdenum.
Concrete, tamarack container nursery special-purpose control-release fertilizer provided by the invention, the effective constituent of described special-purpose control-release fertilizer contains the composition of following weight percent: nitrogen 16～20%, Vanadium Pentoxide in FLAKES 8～20%, potassium oxide 10～19%, magnesium 0.25～1%, iron 0.01～0.05%, zinc 0.01～0.05%, copper 0.01～0.03%, manganese 0.01～0.03%, boron 0.03～0.05%, molybdenum 0.0005～0.002%.
Preferably, the effective constituent of described special-purpose control-release fertilizer contains the composition of following weight percent: nitrogen 16～20%, Vanadium Pentoxide in FLAKES 8～20%, potassium oxide 10～19%, magnesium 0.4～0.6%, iron 0.02～0.04%, zinc 0.02～0.04%, copper 0.01～0.03%, manganese 0.01～0.03%, boron 0.03～0.05%, molybdenum 0.001～0.002%.
Preferably, tamarack container nursery special-purpose control-release fertilizer provided by the invention, its effective constituent contains the composition of following weight percent: nitrogen 20%, Vanadium Pentoxide in FLAKES 10%, potassium oxide 15%, magnesium 0.5%, iron, zinc each 0.03%, copper, manganese each 0.02%, boron 0.04%, molybdenum 0.001%.
Preferably, tamarack container nursery special-purpose control-release fertilizer provided by the invention, its effective constituent contains the composition of following weight percent: nitrogen 20%, Vanadium Pentoxide in FLAKES 8%, potassium oxide 10%, magnesium 0.5%, iron, zinc each 0.03%, copper, manganese each 0.02%, boron 0.04%, molybdenum 0.001%.
Preferably, tamarack container nursery special-purpose control-release fertilizer provided by the invention, its effective constituent contains the composition of following weight percent: nitrogen 18%, Vanadium Pentoxide in FLAKES 18%, potassium oxide 18%, magnesium 0.5%, iron, zinc each 0.03%, copper, manganese each 0.02%, boron 0.04%, molybdenum 0.001%.
Preferably, tamarack container nursery special-purpose control-release fertilizer provided by the invention, its effective constituent contains the composition of following weight percent: nitrogen 17%, Vanadium Pentoxide in FLAKES 11%, potassium oxide 12%, magnesium 0.5%, iron, zinc each 0.03%, copper, manganese each 0.02%, boron 0.04%, molybdenum 0.001%.
Preferably, tamarack container nursery special-purpose control-release fertilizer provided by the invention, its effective constituent contains the composition of following weight percent: nitrogen 16.4%, Vanadium Pentoxide in FLAKES 20%, potassium oxide 16.2%, magnesium 0.5%, iron, zinc each 0.03%, copper, manganese each 0.02%, boron 0.04%, molybdenum 0.001%.
Preferably, tamarack container nursery special-purpose control-release fertilizer provided by the invention, its effective constituent contains the composition of following weight percent: nitrogen 16.7%, Vanadium Pentoxide in FLAKES 16.4%, potassium oxide 18.7%, magnesium 0.5%, iron, zinc each 0.03%, copper, manganese each 0.02%, boron 0.04%, molybdenum 0.001%.
In the above-mentioned coating controlled-release fertilizer, the raw material of described composition is:
Described nitrogen is urea, diammonium phosphate, saltpetre or sulphur ammonium;
Described Vanadium Pentoxide in FLAKES is diammonium phosphate;
Described potassium oxide is one or both in saltpetre or the vitriolate of tartar, is preferably Papillary;
Described magnesium is sal epsom;
Described boron is Sodium Tetraborate, is specially sodium tetraborate decahydrate;
Described molybdenum is Sodium orthomolybdate, is specially Sodium Molybdate Dihydrate;
Described manganese is manganous sulfate, is specially manganese sulfate monohydrate.
Its auxiliary material is: Peng Run soil and coating material, described coating material are degradable resin or polyester.
The present invention also provides the preparation method of above-mentioned Controlled Release Fertilizer, may further comprise the steps:
1) take by weighing respectively in proportion former, auxiliary material, raw material is the fertilizer of nitrogenous, Vanadium Pentoxide in FLAKES, potassium oxide, magnesium, iron, boron, manganese, zinc, copper or molybdenum, will take by weighing raw material, wilkinite and coating material, and is for subsequent use;
2) raw material, wilkinite are pulverized, mixed, dressing, and get final product.
Concrete, this preparation method may further comprise the steps:
1) raw material is urea, sulphur ammonium, two ammoniums, saltpetre, vitriolate of tartar, sal epsom, chelated iron ED-13, zinc sulfate, copper sulfate, manganous sulfate, Sodium Tetraborate, Sodium orthomolybdate, takes by weighing in proportion raw material, and is for subsequent use;
2) raw material and wilkinite are pulverized, mixed, dressing, and get final product.
The shared per-cent of each composition is in described former, the auxiliary material: urea 3-20%, sulphur ammonium 0-43%, diammonium phosphate 17-44%, saltpetre 5-33%, vitriolate of tartar 0-27%, sal epsom 1-5%, chelated iron ED-13 0.2-0.4%, zinc sulfate 0.05-0.15%, copper sulfate 0.05-0.11%, manganous sulfate 0.05-0.07%, Sodium Tetraborate 0.2-0.4%, Sodium orthomolybdate 0.001-0.005%, wilkinite 0-5% and coating material 0.2-0.8%.
Preferably, the shared per-cent of each composition is in described former, the auxiliary material: urea 3-19%, sulphur ammonium 0-41%, diammonium phosphate 17-44%, saltpetre 5-33%, vitriolate of tartar 0-27%, sal epsom 2-4%, chelated iron ED-13 0.2-0.3%, zinc sulfate 0.06-0.12%, copper sulfate 0.06-0.10%, manganous sulfate 0.05-0.07%, Sodium Tetraborate 0.2-0.3%, Sodium orthomolybdate 0.002-0.004%, wilkinite 0-5% and coating material are 0.4-0.6%.
The present invention also provides above-mentioned Controlled Release Fertilizer in the application of warm canopy tamarack aspect growing seedlings.
The present invention also provides the using method of above-mentioned Controlled Release Fertilizer, is that the form with base manure applies, and the amount that every cube of matrix is added Controlled Release Fertilizer is 3kg, i.e. 3kg/m
3, in the container for plant growth of packing into after stirring, or every container for plant growth (evenly applies 6 granulated fertilizer material among the 5cm * 10cm).Do not need and other fertilizer adapteds.
The special-purpose control-release fertilizer that tamarack temperature canopy provided by the invention is grown seedlings has the following advantages:
1, the present invention in conjunction with tamarack growth rhythm in seedling stage and nutrient uptake feature thereof, prepares and filters out tamarack container nursery special-purpose control-release fertilizer take the container nursery of tamarack temperature canopy as research object, and the controlled release phase can decide according to the Larch Growth phase.The present invention has overcome that the naked cultivation period of growing seedlings in tamarack tradition seedbed, land for growing field crops is long, and fertilizer application frequency is many, and cost of labor is high, the drawback that utilization rate of fertilizer is low.
2, simultaneous test shows, dedicated release-controlled fertilizer nutrient reasonable ratio provided by the invention, and fertilizer efficiency period is long, and plant recovery of nutrient is high, and net effect obviously is better than the import Controlled Release Fertilizer, has significantly reduced seedling cost, has improved breeding efficiency.
Description of drawings
Fig. 1: the different ingredients Controlled Release Fertilizer is on the result that affects of tamarack height of seedling, leading thread, biomass and root/shoot ratio, and wherein 1-4 represents respectively the prescription of embodiment 1-4 in the X-coordinate among the figure, and CK represents embodiment 5;
Fig. 2: the different ingredients Controlled Release Fertilizer is on the result that affects of Larch Seedling N, P, K and Mg element absorption, and wherein 1-4 represents respectively the prescription of embodiment 1-4 in the X-coordinate among the figure, and CK represents embodiment 5;
Fig. 3: prescription 2,3,4 and contrast Controlled Release Fertilizer tamarack light matrix container seedling matrix available N, P, K and pH value dynamically, among four figure, wherein in the X-coordinate among the figure 2,3,4 and CK be respectively embodiment 2,3,4 and embodiment 5.
Embodiment
Following examples are used for explanation the present invention, but are not used for limiting the scope of the invention.
The below further specifies the raw material of described fertilizer, wherein:
Described nitrogen is urea, diammonium phosphate, saltpetre or sulphur ammonium (for the abbreviation of ammonium sulfate);
Described phosphorus is diammonium phosphate;
Described potassium is saltpetre and vitriolate of tartar;
Described magnesium is sal epsom;
Described boron is Sodium Tetraborate, is specially sodium tetraborate decahydrate;
Described molybdenum is Sodium orthomolybdate, is specially Sodium Molybdate Dihydrate;
Described manganese is manganous sulfate, is specially manganese sulfate monohydrate.
Top fertilizer is available from Shandong large group of Nintaus.
Embodiment 1: tamarack container nursery special-purpose control-release fertilizer
1, raw material: calculate to produce the 1000kg amount,
| Weight (kg) | Weight percent (%) | |
| Urea | 150 | 15 |
| The sulphur ammonium | 235.47 | 23.547 |
| Diammonium phosphate | 217.5 | 21.75 |
| Saltpetre | 326 | 32.6 |
| Sal epsom | 30 | 3.0 |
| Chelated iron ED-13 | 2.3 | 0.23 |
| Zinc sulfate | 0.9 | 0.09 |
| Copper sulfate | 0.8 | 0.08 |
| Manganous sulfate | 0.6 | 0.06 |
| Sodium Tetraborate | 2.4 | 0.24 |
| Sodium orthomolybdate | 0.03 | 0.003 |
| Wilkinite | 30 | 3 |
| The coating material |
4 | 0.4 |
| Add up to | 1000 | 100 |
2, preparation method: take by weighing each raw material according to proportioning, granulate behind the mixing, use the degradable resin dressing, get final product.
3, detect: the mensuration employing method of element is respectively in this prescription Controlled Release Fertilizer:
Nitrogen content adopts Kjeldahl determination;
Phosphorus content adopts phospho-molybdic acid quinoline quantitative method;
Potassium adopts atomic absorption spectrophotometry;
Magnesium adopts method among the GB/T19203-2003;
Boron adopts 3-methoxyl group-azomethine H spectrophotometer method that develops the color;
Iron, zinc, manganese and molybdenum adopt micro-wave digestion/inductively coupled plasma emission spectrography.
Calculate by the weight percent of available nutrient, the nitrogen 20% of Controlled Release Fertilizer among the embodiment 1, Vanadium Pentoxide in FLAKES 10%, potassium oxide 15%, magnesium 0.5%, iron, zinc each 0.03%, copper, manganese each 0.02%, boron 0.04%, molybdenum 0.001%.
4, the controlled release phase is detected:
Detection method: the controlled release phase of Controlled Release Fertilizer generally refers under 25 ℃ of conditions, suitable humidity condition (not strict restriction), the time that nutrient element releases fully.Determining of controlled release phase is that linear relation by nutrient release rate under the boiling water soaking conditions and 25 ℃ of moistening edaphic condition nutrient release rates is determined.
4 months controlled release phases of the Controlled Release Fertilizer that the final embodiment of the invention 1 provides.
Embodiment 2: tamarack container nursery special-purpose control-release fertilizer
1, raw material: calculate to produce the 1000kg amount,
| Weight (kg) | Weight percent (%) | |
| Urea | 123 | 12.3 |
| The sulphur ammonium | 400.97 | 40.097 |
| Diammonium phosphate | 174 | 17.4 |
| Saltpetre | 218 | 21.8 |
| Vitriolate of tartar | -- | -- |
| Sal epsom | 30 | 3.0 |
| Chelated iron ED-13 | 2.3 | 0.23 |
| Zinc sulfate | 0.9 | 0.09 |
| Copper sulfate | 0.8 | 0.08 |
| Manganous sulfate | 0.6 | 0.06 |
| Sodium Tetraborate | 2.4 | 0.24 |
| Sodium orthomolybdate | 0.03 | 0.003 |
| Wilkinite | 43 | 4.3 |
| The coating material degradable |
4 | 0.4 |
| Add up to | 1000 | 100 |
2, preparation method: with embodiment 1.
3, detect: detection method press the weight percent of Controlled Release Fertilizer available nutrient among the embodiment 2 and is calculated with embodiment 1, nitrogen 20%, Vanadium Pentoxide in FLAKES 8%, potassium oxide 10%, magnesium 0.5%, iron, zinc each 0.03%, copper, manganese respectively 0.02%, boron 0.04%, molybdenum 0.001%.
4, the controlled release phase: detection method is with embodiment 1, and the controlled release phase of the Controlled Release Fertilizer that the embodiment of the invention 2 provides is 6 months.
Embodiment 3: tamarack container nursery special-purpose control-release fertilizer
1, raw material: calculate to produce the 1000kg amount,
| Weight (kg) | Weight percent (%) | |
| Urea | 189.4 | 18.94 |
| The sulphur ammonium | -- | -- |
| Diammonium phosphate | 391.3 | 39.13 |
| Saltpetre | 174 | 17.4 |
| Vitriolate of tartar | 200.27 | 20.027 |
| Sal epsom | 30 | 3 |
| Chelated iron ED-13 | 2.3 | 0.23 |
| Zinc sulfate | 0.9 | 0.09 |
| Copper sulfate | 0.8 | 0.08 |
| Manganous sulfate | 0.6 | 0.06 |
| Sodium Tetraborate | 2.4 | 0.24 |
| Sodium orthomolybdate | 0.03 | 0.003 |
| |
4 | 0.4 |
| The coating material degradable |
4 | 0.4 |
| Add up to | 1000 | 100 |
2, preparation method: with embodiment 1.
3, detect: detection method press the weight percent of Controlled Release Fertilizer available nutrient among the embodiment 3 and is calculated with embodiment 1, nitrogen 18%, Vanadium Pentoxide in FLAKES 18%, potassium oxide 18%, magnesium 0.5%, iron, zinc each 0.03%, copper, manganese respectively 0.02%, boron 0.04%, molybdenum 0.001%.
4, the controlled release phase: detection method is with embodiment 1, and the controlled release phase of the Controlled Release Fertilizer that the embodiment of the invention 3 provides is 4 months.
Embodiment 4: tamarack container nursery special-purpose control-release fertilizer
1, raw material: calculate to produce the 1000kg amount,
| Weight (kg) | Weight percent (%) | |
| Urea | 35 | 3.5 |
| The sulphur ammonium | 429.84 | 42.984 |
| Diammonium phosphate | 239.23 | 23.923 |
| Saltpetre | 161.15 | 16.115 |
| Vitriolate of tartar | 91.75 | 9.175 |
| Sal epsom | 30 | 3.0 |
| Chelated iron ED-13 | 2.3 | 0.23 |
| Zinc sulfate | 0.9 | 0.09 |
| Copper sulfate | 0.8 | 0.08 |
| Manganous sulfate | 0.6 | 0.06 |
| Sodium Tetraborate | 2.4 | 0.24 |
| Sodium orthomolybdate | 0.03 | 0.003 |
| Wilkinite | -- | -- |
| The coating material degradable resin | 6 | 0.6 |
| Add up to | 1000 | 100 |
2, preparation method: with embodiment 1.
3, detect: detection method press the weight percent of Controlled Release Fertilizer available nutrient among the embodiment 4 and is calculated with embodiment 1, nitrogen 17%, Vanadium Pentoxide in FLAKES 11%, potassium oxide 12%, magnesium 0.5%, iron, zinc each 0.03%, copper, manganese respectively 0.02%, boron 0.04%, molybdenum 0.001%.
4, the controlled release phase: detection method is with embodiment 1, and the controlled release phase of the Controlled Release Fertilizer that the embodiment of the invention 3 provides is 6 months.
Embodiment 5: Controlled Release Fertilizer Ai Beishi
1, raw material: the weight percent of pressing the available nutrient of Controlled Release Fertilizer is calculated, and nitrogen 16%, Vanadium Pentoxide in FLAKES 8%, potassium oxide 16%, magnesium 1%, sulphur 3.5%, iron 1%, dressing polyester 0.09%, all the other compositions are fertilizer stopping composition Peng Run soil.
2, preparation method: with embodiment 1.
3, detect: 9 months controlled release phases, detection method is with embodiment 1.Embodiment 6: tamarack container nursery special-purpose control-release fertilizer
1, raw material: calculate to produce the 1000kg amount:
| Weight (kg) | Weight percent (%) | |
| Urea | 162 | 16.2 |
| The sulphur ammonium | -- | -- |
| Diammonium phosphate | 435 | 43.5 |
| Saltpetre | 55.25 | 5.525 |
| Vitriolate of tartar | 270 | 27.0 |
| Sal epsom | 30 | 3.0 |
| Chelated iron ED-13 | 2.3 | 0.23 |
| Zinc sulfate | 0.9 | 0.09 |
| Copper sulfate | 0.8 | 0.08 |
| Manganous sulfate | 0.6 | 0.06 |
| Sodium Tetraborate | 2.4 | 0.24 |
| Sodium orthomolybdate | 0.03 | 0.003 |
| Wilkinite | 36.72 | 3.672 |
| The dressing |
4 | 0.4 |
| Add up to | 1000 | 100 |
2, preparation method: with embodiment 1.
3, detect: detection method press the weight percent of Controlled Release Fertilizer available nutrient among the embodiment 6 and is calculated with embodiment 1, nitrogen 16.4%, Vanadium Pentoxide in FLAKES 20%, potassium oxide 16.2%, magnesium 0.5%, iron, zinc each 0.03%, copper, manganese respectively 0.02%, boron 0.04%, molybdenum 0.001%.
4, the controlled release phase: detection method is with embodiment 1, and the controlled release phase of the Controlled Release Fertilizer that the embodiment of the invention 3 provides is 4 months.
Embodiment 7: tamarack container nursery special-purpose control-release fertilizer
1, raw material: calculate to produce the 1000kg amount,
| Weight (kg) | Weight percent (%) | |
| Urea | 175.5 | 17.55 |
| The sulphur ammonium | -- | -- |
| Diammonium phosphate | 347.9 | 34.79 |
| Saltpetre | 206.57 | 20.657 |
| Vitriolate of tartar | 190 | 19.0 |
| Sal epsom | 30 | 3.0 |
| Chelated iron ED-13 | 2.3 | 0.23 |
| Zinc sulfate | 0.9 | 0.09 |
| Copper sulfate | 0.8 | 0.08 |
| Manganous sulfate | 0.6 | 0.06 |
| Sodium Tetraborate | 2.4 | 0.24 |
| Sodium orthomolybdate | 0.03 | 0.003 |
| Wilkinite | 39 | 3.9 |
| The dressing |
4 | 0.4 |
| Add up to | 1000 | 100 |
2, preparation method: with embodiment 1.
3, detect: detection method press the weight percent of Controlled Release Fertilizer available nutrient among the embodiment 7 and is calculated with embodiment 1, nitrogen 16.7%, Vanadium Pentoxide in FLAKES 16.4%, potassium oxide 18.7%, magnesium 0.5%, iron, zinc each 0.03%, copper, manganese respectively 0.02%, boron 0.04%, molybdenum 0.001%.
4, the controlled release phase: detection method is with embodiment 1, and the controlled release phase of the Controlled Release Fertilizer that the embodiment of the invention 3 provides is 4 months.
Test example 1: the light substrate seedling Controlled Release Fertilizer test of tamarack
1, test materials:
Test materials is educated the light matrix container seedling of larch-tree then by Hebei province lily magnolia woods pipe office Longtoushan seedling field temperature canopy.
Seedling medium: be soddy soil: perlite: charring rice husk 1:1:1 ratio is mixed, and warm canopy temperature is 15 ℃～30 ℃, and humidity is 18%～32%.
2, test method:
The Controlled Release Fertilizer of different embodiment on June 25th, 2010 jack around the light matrix container seedling of each mesh bag put into, each container bag is executed at random 6 and (is equivalent to 3kg/m
3).The Controlled Release Fertilizer that every embodiment provides is processed nursery stock 600 strains, minute 3 repetitions, i.e. and each index determining is carried out in each time repeated sample amount 200 strains.
Conventional pest management in the growth of seedling process.
Respectively the result that affects of the light substrate seedling height of seedling of its tamarack, leading thread, biomass, root/shoot ratio compared the light substrate seedling height of seedling of tamarack, leading thread, biomass, root/shoot ratio, the light substrate seedling N of its tamarack, P, K, Mg Nutrient Absorption are estimated.
3, test-results:
3.1 the impact on tamarack tree seedling increment, leading thread, biomass, root/shoot ratio etc.: the results are shown in accompanying drawing 1.
Fig. 1 result shows:
The Controlled Release Fertilizer of different ingredients is extremely remarkable on tamarack light matrix container tree seedling increment and biomass impact, wherein embodiment 1,2,3,4 provides and sees the Controlled Release Fertilizer most pronounced effects, its tamarack height of seedling increment all significantly is better than contrast and other embodiment greater than the height of seedling, the particularly effect of embodiment 2 of embodiment 5; Embodiment 2 height growth are significantly greater than embodiment 1 and contrast; The individual plant total biomass of embodiment 2,3 Controlled Release Fertilizers is significantly greater than contrast and embodiment 1,4; And nursery stock root/shoot ratio difference is not remarkable between the different ingredients Controlled Release Fertilizer.
In sum, embodiment 1- embodiment 2,3 Larch Growth effects provided by the invention are more excellent, and significantly being better than contrast is embodiment 5 used prescriptions.
3.2 respectively to the comparison between Controlled Release Fertilizer of filling a prescription of the light substrate seedling N of its tamarack, P, K, Mg Nutrient Absorption, concrete comparative result is seen accompanying drawing 2.
Fig. 2 result's demonstration, there is utmost point significant difference in the absorption of nursery stock N, P, K, Mg element between the Controlled Release Fertilizer that each embodiment provides:
The absorption of N: embodiment 2,4 nursery stock N absorb significantly greater than embodiment 5, and wherein embodiment 2 nursery stock N absorbed doses are maximum, than contrast large 55.66%;
The absorbed dose of the absorption of P: embodiment 2,3,4 nursery stock P is significantly greater than embodiment 5, embodiment 2 maximums wherein, and larger 21.82% than embodiment 5, embodiment 1 nursery stock P absorbed dose is significantly less than embodiment 5;
The absorption of K: embodiment 2,3,4 nursery stock K absorbed doses are significantly greater than embodiment 5, and embodiment 1 is significantly less than embodiment 5;
The absorption of Mg: embodiment 2,3,4 nursery stock Mg absorbed doses are significantly greater than embodiment 5, and embodiment 1 nursery stock Mg absorbed dose and embodiment 5 differences are not remarkable.
In sum, embodiment 2,3,4 Nutrient Absorption effects significantly be better than the contrast be embodiment 5; It is poor that embodiment 1 tamarack Nutrient Absorption effect contrasts.
3.3 embodiment 2,3,4 nutritive element discharge in matrix and nursery stock to its absorbing state:
To embodiment 2,3,4 and the matrix Available nutrient dynamics of embodiment 5 analyze, concrete outcome is referring to accompanying drawing 3.
Fig. 3 result shows:
Nitrogen content: embodiment 2 matrix alkali-hydrolyzable nitrogen content are the highest at after planting 65 days, descend afterwards, significantly descend at after planting 85 days and then progressively reduce; Embodiment 3 matrix alkali-hydrolyzable nitrogen content and embodiment 2 trend are basically identical, and just content is lower; Embodiment 4 is also basically identical with embodiment 2 trend, but its content is higher, and particularly alkali-hydrolyzable nitrogen content reaches maximum in the time of after planting 65 days; And embodiment 5 matrix alkali-hydrolyzable nitrogen content began from after planting 40 days to descend, and sowed after 85 days progressively to raise again.
Phosphorus content: embodiment 2 matrix phosphorus contents are the highest at after planting 85 days (prescription 2 is that the growth velocity of 2 nursery stock fast-growing phases of embodiment reduces point, i.e. growth begins to slow down and enters the fast-growing later stage) content, descend afterwards; Embodiment 3 matrix phosphorus content in the time of after planting 40 days peaks, and progressively reduces afterwards; It is basically identical that embodiment 4 bases are shaped with effect phosphorus content variation tendency and embodiment 3, but its content is higher; And embodiment 5 matrix phosphorus contents reduce after sowing 40 days always.
Potassium content: embodiment 2 matrix potassium contents are the highest at after planting 85 days content, descend afterwards; Embodiment 3 matrix potassium content variation tendencies and embodiment 2 are basically identical, but later stage content is low than embodiment 2; Embodiment 5 formulation media potassium contents are the highest in the time of after planting 65 days, sharply descend afterwards, and there is slight rebound in the growth later stage; The effective potassium content variation tendency of embodiment 4 matrix was consistent with embodiment 5, but the effective potassium content of its matrix played 5 height than embodiment at after planting 85 days.
The pH value: tamarack happiness weakly acidic condition, responsive to the environment acid-basicity, the appropriate pH value is 5.7～6.5.Each embodiment substrate pH value is substantially at the tamarack optimum range, and embodiment 2 substrate pH values reduce with the growth of tamarack nursery stock after sowing 65 days, more near its suitableeest scope; Embodiment 3 substrate pH values are the highest when after planting rising was to after planting 100 days, but descend afterwards, substantially near optimum range; Embodiment 4 substrate pH values change in the suitableeest scope of tamarack; Embodiment 5 substrate pH value variation tendencies and embodiment 3 are basically identical, but embodiment 5 substrate pH values progressively raise in the time of after planting 100 days, are about at later stages exceed optimum range: 5.7～6.5.
Therefore, embodiment 2,3,4 used prescriptions contrast matrix available N, P, K and pH value and more can satisfy tamarack nursery stock growth demand.
4, Test Summary:
The fuzzy mathematics membership function value of the comprehensive light matrix container seedling of tamarack height of seedling, leading thread, biomass of individual tree and N, K, Ca, Mg, S element absorption, carry out estimating between different ingredients, embodiment 2,3,4 overall rankings the 1st, 2,3(table 1), rank can think that all in embodiment 5 fronts embodiment 2,3,4 used prescriptions can be used for the light matrix container of tamarack and grow seedlings.
Table 1: based on the comprehensive evaluation of increment and nutrition absorption
| Prescription | Height of seedling | Leading thread | Biomass | N absorbs | K absorbs | Ca absorbs | Mg absorbs | S absorbs | | Rank | |
| 1 | 0.16 | 0.17 | 0.00 | 0.41 | 0.00 | 0.00 | 0.00 | 0.17 | 0.11 | 5 | |
| 2 | 1.00 | 1.00 | 0.58 | 1.00 | 0.86 | 1.00 | 0.82 | 1.00 | 0.91 | 1 | |
| 3 | 0.12 | 0.67 | 1.00 | 0.70 | 1.00 | 0.97 | 1.00 | 0.63 | 0.76 | 2 | |
| 4 | 0.22 | 0.32 | 0.41 | 0.91 | 0.72 | 0.85 | 0.86 | 0.70 | 0.62 | 3 | |
| CK | 0.00 | 0.00 | 0.40 | 0.00 | 0.22 | 0.16 | 0.18 | 0.00 | 0.12 | 4 |
In sum, not only increment and biomass are more excellent to think embodiment 2,3,4, and the matrix nutrient content of embodiment 2,3,4 Controlled Release Fertilizers dynamically reaches acid-basicity growing environment scope and tamarack nursery stock growth rhythm quite well, can satisfy preferably tamarack nursery stock nutrient demand, can be used as the tamarack special-purpose control-release fertilizer of growing seedlings.The present invention not only solved tamarack grow seedlings the fertilising operation loaded down with trivial details, saved seedling cost, improved breeding efficiency, the more important thing is that the Controlled Release Fertilizer exponential form discharges nutrient speed and can satisfy the exponential growth of nursery stock own to the demand of nutrient, make the seedling-nourishing constituent content reach luxurious foster state, thereby improve seedling quality and the rear competitive capacity of afforestation.
Test example 2: the light substrate seedling Controlled Release Fertilizer of tamarack formulation optimization test
1, test materials:
Test materials was educated Japan, long white, the light matrix container seedling of Larix principis-rupprechtii in 2011 by Hebei province lily magnolia woods pipe office Longtoushan seedling field temperature canopy;
Seedling medium and warm canopy envrionment conditions are with test example 1;
Prescription Y1, Y2 are respectively embodiment 6,7 used prescriptions, and it is that the basis is optimized modulation at embodiment 2 used prescriptions that these 2 prescriptions are entrusted Shandong large groups of Nintaus, and are that embodiment 5 is as the contrast of this test example with embodiment 2 and import Controlled Release Fertilizer Ai Beishi.
2, test method: with test example 1.
3, test-results and summary:
Table 2: based on the comprehensive evaluation of different Larch Species growths and nutrition absorption
Fuzzy mathematics membership function value according to the light matrix container seedling of different Larch Species height of seedling, leading thread, biomass of individual tree, Root Characteristics and N, P, K, Mg element absorption, be optimized between prescription and contrast and estimate, optimization of C/C composites Y1 is that embodiment 6 used prescriptions and Y2 are that embodiment 7 used prescription overall rankings are respectively the 1st, 2(table 2), rank is the front of embodiment 5 used prescriptions in sight all, can think that optimization of C/C composites Y1, Y2 can be used for the light matrix container of tamarack and grow seedlings.
Conclusion: simultaneous test shows, dedicated release-controlled fertilizer nutrient reasonable ratio provided by the invention, and fertilizer efficiency period is long, and plant recovery of nutrient is high, and net effect obviously is better than the import Controlled Release Fertilizer, has significantly reduced seedling cost, has improved breeding efficiency.
Although, above used general explanation, embodiment and test, the present invention is described in detail, on basis of the present invention, can make some modifications or improvements it, and this will be apparent to those skilled in the art.Therefore, these modifications or improvements all belong to the scope of protection of present invention without departing from theon the basis of the spirit of the present invention.
Claims (12)
1. the special-purpose control-release fertilizer of a tamarack container nursery contains following composition: nitrogen, Vanadium Pentoxide in FLAKES, potassium oxide, magnesium, iron, boron, manganese, zinc, copper and molybdenum.
2. special-purpose control-release fertilizer according to claim 1, it is characterized in that, the effective constituent of described special-purpose control-release fertilizer contains the composition of following weight percent: nitrogen 16～20%, Vanadium Pentoxide in FLAKES 8～20%, potassium oxide 10～19%, magnesium 0.25～1%, iron 0.01～0.05%, zinc 0.01～0.05%, copper 0.01～0.03%, manganese 0.01～0.03%, boron 0.03～0.05%, molybdenum 0.0005～0.002%.
3. special-purpose control-release fertilizer according to claim 1, it is characterized in that, the effective constituent of described special-purpose control-release fertilizer contains the composition of following weight percent: nitrogen 16～20%, Vanadium Pentoxide in FLAKES 8～20%, potassium oxide 10～19%, magnesium 0.4～0.6%, iron 0.02～0.04%, zinc 0.02～0.04%, copper 0.01～0.03%, manganese 0.01～0.03%, boron 0.03～0.05%, molybdenum 0.001～0.002%.
4. special-purpose control-release fertilizer according to claim 1 and 2, it is characterized in that, the effective constituent of described special-purpose control-release fertilizer contains the composition of following weight percent: nitrogen 20%, Vanadium Pentoxide in FLAKES 1 0%, potassium oxide 1 5%, magnesium 0.5%, iron, zinc each 0.03%, copper, manganese each 0.02%, boron 0.04%, molybdenum 0.001%.
5. special-purpose control-release fertilizer according to claim 1 and 2 is characterized in that, the effective constituent of described special-purpose control-release fertilizer contains the composition of following weight percent: nitrogen 20%, Vanadium Pentoxide in FLAKES 8%, potassium oxide 10%, magnesium 0.5%, iron, zinc each 0.03%, copper, manganese each 0.02%, boron 0.04%, molybdenum 0.001%.
6. special-purpose control-release fertilizer according to claim 1 and 2, the effective constituent of described special-purpose control-release fertilizer contains the composition of following weight percent: nitrogen 18%, Vanadium Pentoxide in FLAKES 18%, potassium oxide 18%, magnesium 0.5%, iron, zinc each 0.03%, copper, manganese each 0.02%, boron 0.04%, molybdenum 0.001%.
7. special-purpose control-release fertilizer according to claim 1 and 2, the effective constituent of described special-purpose control-release fertilizer contains the composition of following weight percent: nitrogen 17%, Vanadium Pentoxide in FLAKES 11%, potassium oxide 12%, magnesium 0.5%, iron, zinc each 0.03%, copper, manganese each 0.02%, boron 0.04%, molybdenum 0.001%.
8. special-purpose control-release fertilizer according to claim 1 and 2, the effective constituent of described special-purpose control-release fertilizer contains the composition of following weight percent: nitrogen 16.4%, Vanadium Pentoxide in FLAKES 20%, potassium oxide 16.2%, magnesium 0.5%, iron, zinc each 0.03%, copper, manganese each 0.02%, boron 0.04%, molybdenum 0.001%.
9. special-purpose control-release fertilizer according to claim 1 and 2, the effective constituent of described special-purpose control-release fertilizer contains the composition of following weight percent: nitrogen 16.7%, Vanadium Pentoxide in FLAKES 16.4%, potassium oxide 18.7%, magnesium 0.5%, iron, zinc each 0.03%, copper, manganese each 0.02%, boron 0.04%, molybdenum 0.001%.
10. each described special-purpose control-release fertilizer according to claim 1-9, its auxiliary material is Peng Run soil and coating material.
11. a method for preparing each described special-purpose control-release fertilizer of claim 1-10 is characterized in that, the method may further comprise the steps:
1) take by weighing respectively in proportion former, auxiliary material, raw material is the fertilizer of nitrogenous, Vanadium Pentoxide in FLAKES, potassium oxide, magnesium, iron, boron, manganese, zinc, copper or molybdenum, will take by weighing raw material, and auxiliary material is wilkinite and coating material, and is for subsequent use;
2) raw material, wilkinite are pulverized, mixed, dressing, and get final product.
12. each described special-purpose control-release fertilizer of claim 1-10 is in the application of tamarack temperature canopy aspect growing seedlings.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103283476A (en) * | 2013-07-03 | 2013-09-11 | 北京林业大学 | Slow release fertilizer seedling culture method for Larix principis-rupprechtii container seedlings |
| CN103995095A (en) * | 2014-04-22 | 2014-08-20 | 中国热带农业科学院橡胶研究所 | Method for measuring utilization rate of forest wood phosphate fertilizers |
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| CN101792354A (en) * | 2010-04-07 | 2010-08-04 | 中盐安徽红四方股份有限公司 | Color drought-resistance water-retention sustained-release compound fertilizer and method for producing same |
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| CN101792354A (en) * | 2010-04-07 | 2010-08-04 | 中盐安徽红四方股份有限公司 | Color drought-resistance water-retention sustained-release compound fertilizer and method for producing same |
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| 张羽: "铜、锌、钼、硼对落叶松播种苗生长的影响", 《林业科技》 * |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103283476A (en) * | 2013-07-03 | 2013-09-11 | 北京林业大学 | Slow release fertilizer seedling culture method for Larix principis-rupprechtii container seedlings |
| CN103995095A (en) * | 2014-04-22 | 2014-08-20 | 中国热带农业科学院橡胶研究所 | Method for measuring utilization rate of forest wood phosphate fertilizers |
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