CN101239861A - Special-purpose control-release fertilizer for ornamental plant cedar and preparation method thereof - Google Patents

Special-purpose control-release fertilizer for ornamental plant cedar and preparation method thereof Download PDF

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Publication number
CN101239861A
CN101239861A CNA2008100144854A CN200810014485A CN101239861A CN 101239861 A CN101239861 A CN 101239861A CN A2008100144854 A CNA2008100144854 A CN A2008100144854A CN 200810014485 A CN200810014485 A CN 200810014485A CN 101239861 A CN101239861 A CN 101239861A
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China
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fertilizer
thermoplastic resin
parts
resin membrane
membrane wrapping
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CNA2008100144854A
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CN100482619C (en
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万连步
张民
高义武
李荣霞
刘建
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Kingenta Ecological Engineering Group Co Ltd
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Shandong Kingenta Ecological Engineering Co Ltd
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Abstract

The invention relates to a special controlled release fertilizer for decorative plant cedar and a preparing method thereof. The fertilizer is obtained by compounding sulphur coated urea, modified epoxy resin coated urea with different coating amount, thermoplastic resin coated compound fertilizers, potassium chloride compound fertilizers, etc. The special controlled release fertilizer for decorative plant cedar is applied every year to avoid damage on the root of cedar due to applying fertilizer time after time, has advantages of saving labor and power, improving fertilizer availability ratio, avoiding loss of nitrogen potasium fertilizer, satisfying request of nitrogen, phosphorus and kalium during different growth periods.

Description

Special-purpose control-release fertilizer for ornamental plant cedar and preparation method thereof
Technical field
The present invention relates to a kind of special-purpose control-release fertilizer for ornamental plant cedar and preparation method thereof, belong to slow/controlled release fertilizer technology field.
Background technology
Cdear originates in the western Afghanistan certainly in the Himalayas between India height above sea level 1300--3300 rice; China introduced a fine variety from nineteen twenty, in each big city, the Yangtze valley cultivation was arranged all now.The cdear form is perfectly straight, and the material heavily fortified point causes, and the tree performance grandness is dark green, is all world-renowned three big precious ornamental tree species with araucaria, umbrella pine, is one of the chief species in places such as gardens, both sides, view main road, garden.In recent years, along with the development of China's urban construction, the cultivation quantity of cdear was more and more.
Past, cdear seldom applied fertilizer.In recent years, China's urban afforestation increased the demand of cdear, and supply falls short of demand for the cdear nursery stock, and in order to promote growth of seedling, fertilising is an important measures.At present the cdear nutritional needs has been had more deep understanding, but existing fertilizer variety can't satisfy the needs of cdear.At first, cdear growth time in a year is long, and needs stable nutrient supply.The fertilizer of using at present mainly is quick acting fertilizer, and fertilizer efficiency is short, must repeatedly apply fertilizer in 1 year.Secondly, cdear is the shallow root seeds, growing period repeatedly the ditching fertilising must injure a large amount of root systems, to the cdear growth with to absorb nutrient unfavorable.Moreover cdear is grown to the master with branch, leaf, needs nitrogenous fertilizer more.Cdear the area of China's suitable growth be the middle and lower reach of Yangtze River and to the north of the area, these regional soil meta-alkalescences, quick-acting nitrogenous fertilizer are manured into soil the back easily with the form volatilization of ammonia, cause fertilizer loss and contaminate environment.Press in the production that a kind of nutrient discharges slowly, the fertilizer variety of fertilizer efficiency length, nutrient reasonable ratio, adaptation cdear nutritional needs.Up to now, still find no the report of this respect.
Summary of the invention
At the deficiencies in the prior art, the invention provides a kind of special-purpose control-release fertilizer for ornamental plant cedar and preparation method thereof.
Technical scheme of the present invention is as follows:
Cdear special-purpose control-release fertilizer of the present invention, feed composition is as follows, is weight part:
110~150 parts in sulfur coating urea
50~80 parts in 6% thermoplastic resin membrane wrapping urea
50~80 parts in 7% thermoplastic resin membrane wrapping urea
50~80 parts in 8% thermoplastic resin membrane wrapping urea
120~160 parts of 3% thermoplastic resin membrane wrapping composite fertilizers
110~150 parts of 5% thermoplastic resin membrane wrapping composite fertilizers
120~160 parts of 7% thermoplastic resin membrane wrapping composite fertilizers
80~110 parts of 8% thermoplastic resin membrane wrapping composite fertilizers
150~200 parts of Repone K composite fertilizers.
Above-mentioned raw materials is the commercially available prod, wherein the fertile Shandong Kingenta Bio-engineering Stock Co., Ltd. of the fertile and various thermoplastic resin membrane wrappings of sulfur coating produces and sells, sulfur coating urea is meant that the sulphur film quality is the control release urea of total mass 20%~25%, and product type is KWS03 (34-0-0); 6% thermoplastic resin membrane wrapping urea is meant that coated with resin layer quality is the control release urea of total mass 6%, and model is KTP04 (43-0-0); 7% thermoplastic resin membrane wrapping urea is meant that coated with resin layer quality is the control release urea of total mass 7%, and model is KTP05 (43-0-0); 8% thermoplastic resin membrane wrapping urea is meant that coated with resin layer quality is the control release urea of total mass 8%, and model is KTP06 (43-0-0); 3% thermoplastic resin membrane wrapping composite fertilizer is meant that coated with resin layer quality is the controlled-release compound fertilizer of total mass 3%, and product type is KTP02 (16-13-13); 5% thermoplastic resin membrane wrapping composite fertilizer is meant that coated with resin layer quality is the controlled-release compound fertilizer of total mass 5%, and product type is KTP04 (16-13-13); 7% thermoplastic resin membrane wrapping composite fertilizer is meant that coated with resin layer quality is the controlled-release compound fertilizer of total mass 7%, and product type is KTP06 (16-13-13); 8% thermoplastic resin membrane wrapping composite fertilizer is meant that coated with resin layer quality is the controlled-release compound fertilizer of total mass 8%, and product type is KTP07 (16-13-13); Numerical value in the product type bracket is the mass percentage content of N, P, K, and being that this area is conventional indicates.
Above raw material also can for example can prepare thermoplastic resin membrane wrapping fertilizer by the method for CN1603288 (200410035783.3) by prior art for preparing, prepares sulfur coating urea by the first step among the CN1569774 (200410024050.X).In the Repone K composite fertilizer, nitrogen, Vanadium Pentoxide in FLAKES, potassium oxide content are respectively 17%~19%, 11%~13%, 11%~13%, and preferred nitrogen, Vanadium Pentoxide in FLAKES, potassium oxide content are respectively 18%, 12%, 12%; Be mass percent.
The particle diameter of above-mentioned all raw materials is good in 2~4 millimeters scopes all.
Further preferred, the cdear special-purpose control-release fertilizer, feed composition is as follows, is weight part:
125~135 parts in sulfur coating urea
55~65 parts in 6% thermoplastic resin membrane wrapping urea
55~65 parts in 7% thermoplastic resin membrane wrapping urea
55~65 parts in 8% thermoplastic resin membrane wrapping urea
145~155 parts of 3% thermoplastic resin membrane wrapping composite fertilizers
115~125 parts of 5% thermoplastic resin membrane wrapping composite fertilizers
125~135 parts of 7% thermoplastic resin membrane wrapping composite fertilizers
95~105 parts of 8% thermoplastic resin membrane wrapping composite fertilizers
185~195 parts of Repone K composite fertilizers.
The preparation method of cdear special-purpose control-release fertilizer of the present invention puts into stirrer with above-mentioned each raw material together by proportioning and stirred 5~10 minutes, and fully mixing promptly.Then the fertilizer that mixes is sent into metering, wrapping machine measures, packs.
The application of cdear special-purpose control-release fertilizer of the present invention, this fertilizer are to use once when cdear is transplanted, and needn't impose in 1 year again.Fertilizing method when cdear is transplanted is, fertilizer is imposed on the bottom of planting hole, and with the part mixing with soil after, the seedling of planting in the above.
The application of cdear special-purpose control-release fertilizer of the present invention, this fertilizer are to use fertilizing method when the non-transplanting of cdear: be less than 180 days area in annual frostless season, every two years use once, frostless season, used once every year more than 180 days area.Fertilization time is the Qiu Mo or the early spring.Fertilization mode is to dig belt ditch around the trunk, and fertilizer is imposed in the soil layer about 10 centimetres.
The technical characterstic of cdear special-purpose control-release fertilizer of the present invention is that the nutrient controlled-release effect of thermoplastic resin membrane wrapping fertilizer is good, is not subjected to the influence of moisture in the soil water-containing weight range of cdear suitable growth, and nutrient supply is stable, and the fertilizer efficiency time is long.The sulphur film of sulfur coating urea can form sulfate ion in decomposition course, both can reduce pH in soil again for cdear provides sulphur nutrition, is beneficial to cdear and grows on the soil of the northern area of China meta-alkalescence.
Excellent results of the present invention is as follows:
1. fertilizer efficiency is long, and nitrogen, phosphorus, potassium nutrition discharge consistent with the cdear dietetic alimentation
The raw material of cdear special-purpose control-release fertilizer of the present invention is mainly selected thermoplastic resin membrane wrapping fertilizer for use, this class fertilizer nutrient discharges stable, fertilizer efficiency period is long, single nitrogen, phosphorus, potassium ratio and release profiles of planting controlled release fertilizer of different core and different membrane wrapping thicknesses is through repeatedly stack, and nutrient discharges and meets cdear absorption needs.Can satisfy the cdear nutritional need of the whole year.
2. reduce and repeatedly apply fertilizer the injury of root system
Cdear fertilising at present, bigger tree body every year 2~3 times, fertilization mode is for digging belt ditch spread around trunk.Cdear seedling cultivation and one-year fertilizer application frequency is more.Cdear is the shallow root seeds, its growing period repeatedly ditching fertilising must injure a large amount of root systems, unfavorable to nutrition absorption and growth.The dedicated release-controlled fertilizer nutrient of cdear of the present invention discharges slowly, and fertilizer efficiency period is long, only needs fertilising once can satisfy annual needs, and has obviously reduced the injury to the cdear root system in 1 year.
3. the minimizing fertilizer loss improves utilization rate of fertilizer
Nitrogen, potassium element run off with rainfall or irrigation water easily owing to dissolve in soil soon in the quick-acting chemical fertilizer.Cdear special-purpose control-release fertilizer particle of the present invention is surrounded by putamina, can not dissolve after being manured into soil at once, and its nutrient discharges and is progressively to carry out along with the absorption of cdear root system, and nutrient ion residual in the soil is few, because of rainfall or to irrigate the nutrient that runs off also few.Moreover this special-purpose control-release fertilizer has reduced nitrogenous fertilizer and has contacted with the direct of soil, has avoided the volatilization loss of northern China alkaline soil nitrogenous fertilizer, has obviously improved utilization rate of fertilizer.
4. the minimizing fertilizer application frequency saves labor
Cdear special-purpose control-release fertilizer of the present invention fertilising in a year has once reduced fertilizer application frequency, has reduced grower's labor capacity greatly, has saved the recruitment cost.
Embodiment
The present invention will be further described below in conjunction with embodiment, but be not limited thereto.
Fertile and the thermoplastic resin membrane wrapping fertilizer of used sulfur coating is Shandong Kingenta Bio-engineering Stock Co., Ltd.'s product and sells among the embodiment, and product type as previously mentioned.In the used Repone K composite fertilizer, nitrogen, Vanadium Pentoxide in FLAKES, potassium oxide content are respectively 18%, 12%, 12%, are mass percent.The particle diameter of above-mentioned all raw materials is all in 2~4 millimeters scopes.
Embodiment 1: the cdear special-purpose control-release fertilizer, total nutrient: nitrogen, Vanadium Pentoxide in FLAKES, potassium oxide content are respectively 23%, 9%, 9%, mass percent.Feed composition is as follows:
Sulfur coating urea 150kg
6% thermoplastic resin membrane wrapping urea 50kg
7% thermoplastic resin membrane wrapping urea 50kg
8% thermoplastic resin membrane wrapping urea 50kg
3% thermoplastic resin membrane wrapping composite fertilizer 120kg
5% thermoplastic resin membrane wrapping composite fertilizer 150kg
7% thermoplastic resin membrane wrapping composite fertilizer 150kg
8% thermoplastic resin membrane wrapping composite fertilizer 80kg
Repone K composite fertilizer 200kg.
The preparation method: above-mentioned each raw material is put into stirrer together by proportioning stirred 5~10 minutes, fully mixing promptly.
Embodiment 2: the cdear special-purpose control-release fertilizer, total nutrient: nitrogen, Vanadium Pentoxide in FLAKES, potassium oxide content are respectively 24%, 9%, 9%, mass percent.Feed composition is as follows:
Sulfur coating urea 130kg
6% thermoplastic resin membrane wrapping urea 60kg
7% thermoplastic resin membrane wrapping urea 60kg
8% thermoplastic resin membrane wrapping urea 60kg
3% thermoplastic resin membrane wrapping composite fertilizer 150kg
5% thermoplastic resin membrane wrapping composite fertilizer 120kg
7% thermoplastic resin membrane wrapping composite fertilizer 130kg
8% thermoplastic resin membrane wrapping composite fertilizer 100kg
Repone K composite fertilizer 190kg.
Embodiment 3: the cdear special-purpose control-release fertilizer, total nutrient: nitrogen, Vanadium Pentoxide in FLAKES, potassium oxide content are respectively 24%, 9%, 9%, mass percent.Feed composition is as follows:
Sulfur coating urea 110kg
6% thermoplastic resin membrane wrapping urea 70kg
7% thermoplastic resin membrane wrapping urea 70kg
8% thermoplastic resin membrane wrapping urea 70kg
3% thermoplastic resin membrane wrapping composite fertilizer 130kg
5% thermoplastic resin membrane wrapping composite fertilizer 130kg
7% thermoplastic resin membrane wrapping composite fertilizer 140kg
8% thermoplastic resin membrane wrapping composite fertilizer 110kg
Repone K composite fertilizer 170kg.
Embodiment 4: the cdear special-purpose control-release fertilizer, total nutrient: nitrogen, Vanadium Pentoxide in FLAKES, potassium oxide content are respectively 25%, 8%, 8%, mass percent.Feed composition is as follows:
Sulfur coating urea 120kg
6% thermoplastic resin membrane wrapping urea 80kg
7% thermoplastic resin membrane wrapping urea 80kg
8% thermoplastic resin membrane wrapping urea 80kg
3% thermoplastic resin membrane wrapping composite fertilizer 140kg
5% thermoplastic resin membrane wrapping composite fertilizer 140kg
7% thermoplastic resin membrane wrapping composite fertilizer 120kg
8% thermoplastic resin membrane wrapping composite fertilizer 90kg
Repone K composite fertilizer 150kg.
Comparative Examples: common Repone K composite fertilizer (total nutrient content 45%)+urea (nitrogen content 46%).
The effect of above embodiment 1~4 and Comparative Examples is as follows:
For examination cdear kind is common cdear, and soil is brown earth, and planting type is planted with being.Select cdear seedling of the same size, about 40 centimetres of height of seedling.By every seedling 15 gram Repone K composite fertilizers, 5 restrain urea in the Comparative Examples; The fertilizer amount of embodiment special-purpose control-release fertilizer is every seedling 16 grams, various 20 of each embodiment and Comparative Examples.Whole cdear special-purpose control-release fertilizers are once to apply before planting among the embodiment; 30% of Repone K composite fertilizer is to apply before planting in the Comparative Examples, and fertilizing method is identical with special-purpose control-release fertilizer, promptly earlier fertilizer is imposed in the planting hole, and after the part mixing with soil, the seedling of planting at an upper portion thereof.Remaining fertilizer in the Comparative Examples (remaining Repone K composite fertilizer and urea mix) divides 3 times, and used once in two months at every interval, and each consumption is identical.Fertilizing method is to dig belt ditch around nursery stock, and fertilizer is imposed on 5~10 centimetres of depths.This test was done 2 years continuously.
The plant total biomass improves (%) Plant height increases (%) Estimate
Embodiment 1 7.5 5.4 The leaf look dark green, and fertilization effect is obvious, and saving of labor, laborsaving can promote.
Embodiment 2 9.7 7.2 The leaf look dark green, and fertilization effect is obvious, and saving of labor, laborsaving is worthy to be popularized.
Embodiment 3 8.6 6.1 The leaf look dark green, and fertilization effect is obvious, and saving of labor, laborsaving is worthy to be popularized.
Embodiment 4 8.4 6.3 The leaf look dark green, and fertilization effect is obvious, and saving of labor, laborsaving is worthy to be popularized.
Comparative Examples - - Fertilizer application frequency is many, and the effort of taking a lot of work should not be promoted.

Claims (6)

1. the cdear special-purpose control-release fertilizer is characterized in that feed composition is as follows, is weight part:
110~150 parts in sulfur coating urea
50~80 parts in 6% thermoplastic resin membrane wrapping urea
50~80 parts in 7% thermoplastic resin membrane wrapping urea
50~80 parts in 8% thermoplastic resin membrane wrapping urea
120~160 parts of 3% thermoplastic resin membrane wrapping composite fertilizers
110~150 parts of 5% thermoplastic resin membrane wrapping composite fertilizers
120~160 parts of 7% thermoplastic resin membrane wrapping composite fertilizers
80~110 parts of 8% thermoplastic resin membrane wrapping composite fertilizers
150~200 parts of Repone K composite fertilizers.
2. cdear special-purpose control-release fertilizer as claimed in claim 1 is characterized in that feed composition is as follows, is weight part:
125~135 parts in sulfur coating urea
55~65 parts in 6% thermoplastic resin membrane wrapping urea
55~65 parts in 7% thermoplastic resin membrane wrapping urea
55~65 parts in 8% thermoplastic resin membrane wrapping urea
145~155 parts of 3% thermoplastic resin membrane wrapping composite fertilizers
115~125 parts of 5% thermoplastic resin membrane wrapping composite fertilizers
125~135 parts of 7% thermoplastic resin membrane wrapping composite fertilizers
95~105 parts of 8% thermoplastic resin membrane wrapping composite fertilizers
185~195 parts of Repone K composite fertilizers.
3. cdear special-purpose control-release fertilizer as claimed in claim 1, the particle diameter that it is characterized in that all raw materials is all at 2~4 millimeters.
4. the preparation method of the described cdear special-purpose control-release fertilizer of claim 1 puts into stirrer with each raw material together by proportioning and stirred 5~10 minutes, and fully mixing promptly.
5. the application of the described cdear special-purpose control-release fertilizer of claim 1, this fertilizer is used once when cdear is transplanted, and fertilizer is imposed on the bottom of planting hole, and with the part mixing with soil after, the seedling of planting in the above.
6. the application of the described cdear special-purpose control-release fertilizer of claim 1, this fertilizer is used when the non-transplanting of cdear, fertilizing method is to be less than 180 days area in annual frostless season, every two years use once, frostless season uses once more than 180 days area every year, and fertilization time is the Qiu Mo or the early spring, fertilization mode is to dig belt ditch around the trunk, and fertilizer is imposed in the soil layer about 10 centimetres.
CNB2008100144854A 2008-03-17 2008-03-17 Special-purpose control-release fertilizer for ornamental plant cedar and preparation method thereof Active CN100482619C (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
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

Cited By (1)

* Cited by examiner, † Cited by third party
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

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Owner name: KINGENTA ECOLOGICAL ENGINEERING GROUP CO., LTD.

Free format text: FORMER NAME: SHANDONG KINGENTA BIO-ENGINEERING STOCK CO., LTD.

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Address after: 276700 Linyi Province, Linshu County, Xing County, West Street, No. 19

Patentee after: KINGENTA ECOLOGICAL ENGINEERING GROUP CO., LTD.

Address before: 276700 No. 19, Da Xing Dong Street, Linshu County, Shandong Province

Patentee before: Shandong Kingenta Bio-engineering Stock Co., Ltd.