CN100429189C - Special controlled-release fertilizer for citrus and preparation method thereof - Google Patents
Special controlled-release fertilizer for citrus and preparation method thereof Download PDFInfo
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- CN100429189C CN100429189C CNB200710113493XA CN200710113493A CN100429189C CN 100429189 C CN100429189 C CN 100429189C CN B200710113493X A CNB200710113493X A CN B200710113493XA CN 200710113493 A CN200710113493 A CN 200710113493A CN 100429189 C CN100429189 C CN 100429189C
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Abstract
The invention relates to a special controlled release fertilizer for orange and a preparation method thereof and belongs to the technical field of sustained release fertilizer and controlled release fertilizer. According to the rule of the fertilizer requirement of the orange, the invention remixes 6 percent, 7 percent and 8 percent thermoplastic resin coated urea, sulfur coated urea, potassium sulfate complex fertilizer, the potassium sulfate, diammonium phosphate, zinc sulfate and borax exactly to form the special controlled release fertilizer for orange. The nutrient release rule of the controlled release fertilizer is in accordance with the nutrition absorption rule of the orange, which improves the fertilizer absorption and utilization rate and reduces the cost of the controlled release fertilizer, and the effect of production increase is good.
Description
Technical field
The present invention relates to a kind of crop special-purpose control-release fertilizer that utilizes coating sulphur, coating thermoplastic resin to produce, relate in particular to a kind of special controlled-release fertilizer for citrus and manufacture method thereof, belong to slow/controlled release fertilizer technology field.
Background technology
Oranges and tangerines are one of fruit trees that economic worth is the highest in the world, cultivation is wide, the most with fastest developing speed, are that China's south agricultural goes up most important economic tree. China's oranges and tangerines area is more than 130 ten thousand hectares at present, and output is above 10,000,000 tons.The citrus fruit taste is fragrant tasty and refreshing, nutritious, not only can eat raw, also can be processed into fruit juice, jam, can, fruit wine etc.The volatile oil that extracts from oranges and tangerines simultaneously, pectin, citric acid etc. are widely used in food, pharmaceutical industries.Along with the raising of the open day by day of world's fruit market and fruit industry quality, there is great potential in the development of oranges and tangerines.
Oranges and tangerines garden great majority are positioned at mountain region, knob, and the soil gradient is big, and water and soil runs off easily.At present, oranges and tangerines apply fertilizer based on the quick-acting chemical fertilizer, and this fertilizer solvability is strong, loss easily, and not only utilization rate of fertilizer is low, also can pollute river, the lake in downstream.The mandarin tree that grows up will experience the physiological change process of germinateing and taking out the tip, yielding positive results in 1 year, annually divides spring, summer, autumn, winter to take out the tip four times, during carry out bud differentiation, the process of bearing fruit simultaneously.So the nutrition to mandarin tree is regulated extremely important.If overnutrition, then the branch over growth causes a large amount of fruit drops.Under-nutrition, then branch, fruit fight for nutrient, make fruit development bad.Oranges and tangerines should continue, isostatic is supplied with nutrient, could guarantee high yield, stable yields.Quick-acting chemical fertilizer dissolving is fast, and fertilizer efficiency is short, unless frequent fertilising, otherwise can not satisfy the normal growth of oranges and tangerines.For this reason, we have developed its nutritive element proportioning, nutrient releasing speed and have met the special-purpose control-release fertilizer that oranges and tangerines absorb, and have obtained success.
Summary of the invention
At the deficiencies in the prior art, the invention provides the special controlled-release fertilizer for citrus that a kind of controlled release fertilizer that utilizes different coated fertilizers and membrane wrapping thickness carries out composite production.Preparation method of the present invention comprises the selection of the fertile raw material of controlled release, composite, the mixing of each raw material, and the process of the packing of product.
Special controlled-release fertilizer for citrus, feed composition is as follows, is weight part:
25～40 parts in 6% thermoplastic resin membrane wrapping urea
30～50 parts in 7% thermoplastic resin membrane wrapping urea
30～50 parts in 8% thermoplastic resin membrane wrapping urea
200～300 parts in sulfur coating urea
250～350 parts of compound potassium sulfate fertilizers
200～300 parts of vitriolate of tartar
100～150 parts of diammonium phosphate
5～10 parts in sulfuric acid
5～10 parts of boraxs.
Above-mentioned raw materials is the commercially available prod, wherein:
6% thermoplastic resin membrane wrapping urea is meant that the coating layer quality is 6% of a total mass, and Shandong Kingenta Bio-engineering Stock Co., Ltd. produces and sells, and model is KTP04 (43-0-0);
7% thermoplastic resin membrane wrapping urea is meant that the coating layer quality is 7% of a total mass, and Shandong Kingenta Bio-engineering Stock Co., Ltd. produces and sells, and model is KTP05 (43-0-0);
8% thermoplastic resin membrane wrapping urea is meant that the coating layer quality is 8% of a total mass, and Shandong Kingenta Bio-engineering Stock Co., Ltd. produces and sells, and model is KTP06 (43-0-0);
Sulfur coating urea Shandong Kingenta Bio-engineering Stock Co., Ltd. produces and sells, and model is KWS03 (35-0-0);
In the compound potassium sulfate fertilizer, nitrogen, Vanadium Pentoxide in FLAKES, potassium oxide content are respectively 11%～13%, 17%～19%, 14%～16%, and preferred, nitrogen, Vanadium Pentoxide in FLAKES, potassium oxide content are respectively 12%, 18%, 15%, are mass percent;
The content 48-51% of potassium oxide in the vitriolate of tartar; Be mass percent;
Nitrogen, phosphorus pentoxide content are respectively 18%, 46% in the diammonium phosphate, are mass percent;
The particle diameter of above-mentioned all raw materials is good in 2～4 millimeters scopes all.
Further preferred, special controlled-release fertilizer for citrus, feed composition is as follows, is weight part:
30～35 parts in 6% thermoplastic resin membrane wrapping urea
30～35 parts in 7% thermoplastic resin membrane wrapping urea
30～35 parts in 8% thermoplastic resin membrane wrapping urea
220～210 parts in sulfur coating urea
290～310 parts of compound potassium sulfate fertilizers
280～300 parts of vitriolate of tartar
100～120 parts of diammonium phosphate
5～8 parts in zinc sulfate
4～5 parts of boraxs.
The preparation method of special controlled-release fertilizer for citrus of the present invention puts into stirrer together with above-mentioned each raw material 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 special controlled-release fertilizer for citrus of the present invention is that apply November and in the June, second after oranges and tangerines are gathered at twice, and the weight ratio of administered twice controlled release fertilizer is 4: 6～5: 5.
Excellent results of the present invention is as follows:
1. the controlled release fertilizer nutrient discharges with the oranges and tangerines dietetic alimentation and matches
Thermoplastic resin membrane wrapping urea release period is long in the special controlled-release fertilizer for citrus prescription, and different membrane wrapping thickness release periods is different again, combines with sulfur coating urea again, and day part all has nutrient to discharge, and matches with oranges and tangerines nutrient demand rule.The nutrient of controlled release fertilizer discharges main temperature influence simultaneously, when temperature is high, and the oranges and tangerines fast growth, the nutrient in the controlled release fertilizer discharges also fast, and this can obtain with the nutrition absorption of oranges and tangerines synchronously.The supply of controlled release fertilizer nutrient equalization stable also helps coordinating the relation with reproductive growth of nourishing and growing of oranges and tangerines, improves fruit-setting rate.
2. the minimizing nutrient loss improves utilization rate of fertilizer
Oranges and tangerines are planted in the mountain area mostly, and the soil gradient is big, severe water and soil erosion.The oranges and tangerines regional rainfall amount of growing is bigger, and frequent rainfall makes the quick acting fertilizer nutrient loss serious, and utilization rate of fertilizer is low.There is the water-fast film of one deck special controlled-release fertilizer for citrus fertiliser granulates outside, the back nutrient that is manured into soil slowly discharges and carries out synchronously with the nutrition absorption of oranges and tangerines, nutrient ion residual in the soil is few, and the nutrient that runs off with rainwater or irrigation water reduces, and utilization rate of fertilizer obviously improves.
3. nutrient reasonable ratio
According to the study, 1.1～1.18 kilograms of 1000 kilograms of fruit absorbed nitrogens of the every production of oranges and tangerines, 0.17～0.27 kilogram of Vanadium Pentoxide in FLAKES, 1.7～2.61 kilograms of potassium oxides, its three essential fertilizer ratio was roughly 1: 0.19: 1.77.But the different growing stage of oranges and tangerines is different to nutrient demand.With regard to bearing tree, be the period of the growth spring tip and bud differentiation before bearing fruit by 1 year after the fruit picking, need nitrogen and phosphorus element more.Fruit expanding period then needs nitrogen and potassium element more.Special controlled-release fertilizer for citrus can guarantee the normal growth of oranges and tangerines at its nutritional needs component design, improves output, also can improve its quality.
4. effect of increasing production is good, saves labor
Special controlled-release fertilizer for citrus is compared with common fertilizer, can significantly improve orange yield.Under the identical situation of rate of fertilizer application, stimulation ratio is 15%～35%.Reduce under 1/3rd consumption situations than common fertilizer at controlled release fertilizer, output increases by 8%～15%.Reduce fertilizer application frequency simultaneously, saved the recruitment cost, improved economic benefit.
Embodiment
Below in conjunction with embodiment the present invention is described in further details, but is not limited thereto.The raw materials used commercially available prod that is among the embodiment, wherein 6% thermoplastic resin membrane wrapping urea is that Shandong Kingenta Bio-engineering Stock Co., Ltd.'s product is sold, model is KTP04 (43-0-0); 7% thermoplastic resin membrane wrapping urea is that Shandong Kingenta Bio-engineering Stock Co., Ltd. produces, and model is KTP05 (43-0-0); 8% thermoplastic resin membrane wrapping urea is that Shandong Kingenta Bio-engineering Stock Co., Ltd.'s product is sold, and model is KTP06 (43-0-0); Sulfur coating urea Shandong Kingenta Bio-engineering Stock Co., Ltd. produces and sells, and model is KWS03 (35-0-0); In the compound potassium sulfate fertilizer, nitrogen, Vanadium Pentoxide in FLAKES, potassium oxide content are respectively 12%, 18%, 15%, and Shandong Kingenta Bio-engineering Stock Co., Ltd. produces.The content 50% of potassium oxide in the vitriolate of tartar raw material; Content in all raw materials is mass percent.The particle diameter of all raw materials is all in 2～4 millimeters scopes.
Embodiment 1:
Special controlled-release fertilizer for citrus, total nutrient: nitrogen, Vanadium Pentoxide in FLAKES, potassium oxide content are respectively 18%, 11%, 16%, mass percent.Feed composition is as follows:
6% thermoplastic resin membrane wrapping urea 25kg
7% thermoplastic resin membrane wrapping urea 40kg
8% thermoplastic resin membrane wrapping urea 35kg
Sulfur coating urea 250kg
Compound potassium sulfate fertilizer 300kg
Vitriolate of tartar 230kg
Diammonium phosphate 120kg
Zinc sulfate 5kg
Borax 5kg.
The preparation method:
Above-mentioned each raw material is put into stirrer together stirred 8 minutes, fully mixing promptly.Then the fertilizer that mixes is sent into metering, wrapping machine measures, packs.
Embodiment 2:
Special controlled-release fertilizer for citrus, total nutrient: nitrogen, Vanadium Pentoxide in FLAKES, potassium oxide content are respectively 16%, 11%, 18%, mass percent.Feed composition is as follows:
6% thermoplastic resin membrane wrapping urea 30kg
7% thermoplastic resin membrane wrapping urea 30kg
8% thermoplastic resin membrane wrapping urea 30kg
Sulfur coating urea 200kg
Compound potassium sulfate fertilizer 300kg
Vitriolate of tartar 280kg
Diammonium phosphate 120kg
Zinc sulfate 5kg
Borax 5kg.
The preparation method is with embodiment 1.
Comparative Examples:
Common urea (nitrogen content 46%), compound potassium sulfate fertilizer (total nutrient content 45%).
The effect of above embodiment 1～2 and Comparative Examples is as follows:
For examination oranges and tangerines kind is shatian pomelo, soil is loamy texture red soil, special controlled-release fertilizer for citrus is to apply for twice in November after oranges and tangerines are gathered and second year June, fertilizer is used by peasant's custom of applying fertilizer and is divided and to use for 4 times in the Comparative Examples, specific practice is, by the fertilizer amount of every tree 2.5 kilograms of compound potassium sulfate fertilizers and 0.5 kilogram of urea, after both mix, divide by peasant habit and to use for 4 times in the Comparative Examples.Each embodiment of special-purpose control-release fertilizer establishes two fertilizer amounts, and one is identical with the Comparative Examples fertilizer amount, and another is to reduce fertilizer amount 30% than Comparative Examples.Use 40% November after oranges and tangerines are gathered of special-purpose control-release fertilizer, and 60% used in June, second.Fertilizing method all is to dig 20～40 centimetres of dark ditches around the position of about 1 meter on trunk, fertilizer is applied earthing in the ditch.Effect such as following table are listed:
Claims (4)
1, special controlled-release fertilizer for citrus is characterized in that feed composition is as follows, is weight part:
25～40 parts in 6% thermoplastic resin membrane wrapping urea
30～50 parts in 7% thermoplastic resin membrane wrapping urea
30～50 parts in 8% thermoplastic resin membrane wrapping urea
200～300 parts in sulfur coating urea
250～350 parts of compound potassium sulfate fertilizers
200～300 parts of vitriolate of tartar
100～150 parts of diammonium phosphate
5～10 parts in zinc sulfate
5～10 parts of boraxs;
Described 6% thermoplastic resin membrane wrapping urea is meant that the coating layer quality is that 6%, 7% thermoplastic resin membrane wrapping urea of total mass is meant that the coating layer quality is that 7%, 8% thermoplastic resin membrane wrapping urea of total mass is meant that the coating layer quality is 8% of a total mass;
In the described compound potassium sulfate fertilizer, nitrogen, Vanadium Pentoxide in FLAKES, potassium oxide content are respectively 11%～13%, 17%～19%, 14%～16%, are mass percent.
2, special controlled-release fertilizer for citrus as claimed in claim 1 is characterized in that feed composition is as follows, is weight part:
30～35 parts in 6% thermoplastic resin membrane wrapping urea
30～35 parts in 7% thermoplastic resin membrane wrapping urea
30～35 parts in 8% thermoplastic resin membrane wrapping urea
220～210 parts in sulfur coating urea
290～310 parts of compound potassium sulfate fertilizers
280～300 parts of vitriolate of tartar
100～120 parts of diammonium phosphate
5～8 parts in zinc sulfate
4～5 parts of boraxs.
3, the preparation method of the described special controlled-release fertilizer for citrus of a kind of claim 1 puts into stirrer together with each raw material and stirred 5～10 minutes, and fully mixing promptly.
4, the application of the described special controlled-release fertilizer for citrus of a kind of claim 1 is characterized in that apply November and in the June, second after oranges and tangerines are gathered at twice, and the weight ratio of administered twice controlled release fertilizer is 4: 6～5: 5.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB200710113493XA CN100429189C (en) | 2007-11-05 | 2007-11-05 | Special controlled-release fertilizer for citrus and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB200710113493XA CN100429189C (en) | 2007-11-05 | 2007-11-05 | Special controlled-release fertilizer for citrus and preparation method thereof |
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| CN101182272A CN101182272A (en) | 2008-05-21 |
| CN100429189C true CN100429189C (en) | 2008-10-29 |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102887766A (en) * | 2011-07-19 | 2013-01-23 | 上海联业农业科技有限公司 | Compound fertilizer for citrus in red and yellow soil areas and preparation method thereof |
| CN103183551A (en) * | 2012-11-20 | 2013-07-03 | 陈卫文 | Compound fertilizer applicable to citrus cultivation in milled/low-fertility area |
| CN103183555A (en) * | 2012-11-20 | 2013-07-03 | 陈卫文 | Compound fertilizer applicable to citrus cultivation in high-fertility area |
| CN104774099B (en) * | 2015-04-02 | 2017-10-03 | 江西省农业科学院土壤肥料与资源环境研究所 | A kind of special slow controlled-release formula fertilizer of citrus crop and its preparation and application process |
| CN105111012A (en) * | 2015-07-31 | 2015-12-02 | 区燕丽 | Special fertilizer for Shatian pomelos |
| CN106106544A (en) * | 2016-06-27 | 2016-11-16 | 武汉维斯康生物科技有限公司 | The water-soluble fertilizer insecticidal additive of Citrus root-knot nematode, water-soluble fertilizer and preparation method thereof and using method can be killed |
| CN106495880A (en) * | 2016-10-26 | 2017-03-15 | 武汉普瑞丰生物科技有限公司 | A kind of special slow controlled release Blending Fertilizer granular preparation of sweet persimmon |
| CN107522551A (en) * | 2017-09-18 | 2017-12-29 | 湖南农业大学 | A kind of citrus special fertilizer and preparation method thereof and application process |
| CN113087564A (en) * | 2021-03-23 | 2021-07-09 | 湖北佳玛驰生态农业有限公司 | Controlled release fertilizer and preparation method and application thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1123262A (en) * | 1994-11-17 | 1996-05-29 | 李守田 | Full-valence compound fertilizer |
| CN1188754A (en) * | 1997-01-24 | 1998-07-29 | 边云卿 | Compound mixed fertilizer and preparation method thereof |
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2007
- 2007-11-05 CN CNB200710113493XA patent/CN100429189C/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1123262A (en) * | 1994-11-17 | 1996-05-29 | 李守田 | Full-valence compound fertilizer |
| CN1188754A (en) * | 1997-01-24 | 1998-07-29 | 边云卿 | Compound mixed fertilizer and preparation method thereof |
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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. |
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Effective date of registration: 20170503 Address after: 513000 Guangdong Province Yingde City, red town, British Red Industrial Park, Nintaus Road, No. 9 Patentee after: GUANGDONG KINGENTA ECOLOGICAL ENGINEERING CO., LTD. Address before: 276700 Linyi Province, Linshu County, Xing County, West Street, No. 19 Patentee before: KINGENTA ECOLOGICAL ENGINEERING GROUP CO., LTD. |
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