CN100478314C - Special control-release fertilizer for sulfur and resin coated pear and preparation method thereof - Google Patents
Special control-release fertilizer for sulfur and resin coated pear and preparation method thereof Download PDFInfo
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- CN100478314C CN100478314C CNB2008100143118A CN200810014311A CN100478314C CN 100478314 C CN100478314 C CN 100478314C CN B2008100143118 A CNB2008100143118 A CN B2008100143118A CN 200810014311 A CN200810014311 A CN 200810014311A CN 100478314 C CN100478314 C CN 100478314C
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Abstract
The invention relates to a special controlled-release fertilizer for pears and a preparation method thereof, which is prepared with sulphur resin coated compound fertilizer of different coating thicknesses, 4 percent sulphur resin coated potassium nitrate, 3 percent sulphur resin coated ammonium phosphate, sulphur resin coated urea of different coating thicknesses, potassium sulfate compound fertilizer, etc. The special controlled-release fertilizer for pears is applied in one go for all before the budding in spring, thereby reducing the harm of fertilizations to tree roots, and saving manpower and strength. The special controlled-release fertilizer for pears can meet the demand for nitrogen, phosphor, and potassium by pears in the annual growth period, release nutrient slowly, lower manure loss effectively, and enhance the pear yield greatly.
Description
Technical field
The present invention relates to a kind of special control-release fertilizer for sulfur and resin coated pear and preparation method thereof, belong to slow/controlled release fertilizer technology field.
Background technology
Pear tree is in the history in existing more than 3000 year of China's cultivation, and cultivated area and output all occupy first place in the world.China's pear tree area was nearly 1,000,000 hectares in 2000, and 1,573 ten thousand tons of output are only second to oranges and tangerines and apple, and ultimate production is respectively nineteen ninety and 1980 2.94 times and 5.33 times.Pears are nutritious, both can eat raw, also can process, have promote the production of body fluid to quench thirst, function such as moistening the lung and resolving the phlegm, become one of health fruit that people improve health conditions.Along with the improvement of standard of living and the developing of world market, pear tree also can further develop in the cultivation of China.
The rational application of fertilizer is extremely important to improving pear tree output.Pear tree is perennial fruit tree, and its nutrient supply situation not only influences then, and the output of next year is also had certain influence.At present owing to lack the chemical fertilizer specially kind that is applicable to pear tree nutrition absorption demand, therefore there is following problem aspect the pear tree fertilising, the one, in pear tree year growth cycle, need repeatedly fertilising, the chemical fertilizer that current pear tree is used mainly is a quick acting fertilizer, they dissolve in soil soon, if applied once too much not only injures root system, also can cause the loss of nitrogen, potash fertilizer; The 2nd, the pear tree root system is distributed in the darker soil layer, answers ditching to execute the competence exertion effect in the root district during fertilising, and the frequent ditching fertilising of growing period can be cut off a large amount of root systems again, is unfavorable for nutrient absorbing; The 3rd, because quick acting fertilizer drip washing with rainfall or irrigation water easily in soil, so utilization rate of fertilizer is not high.Up to now, the Shang Weiyou pear tree special-purpose control-release fertilizer that can overcome above technical barrier is openly reported.
Summary of the invention
At the deficiencies in the prior art, the invention provides a kind of special control-release fertilizer for sulfur and resin coated pear and preparation method thereof, utilize the Nutrient Release of sulfur and resin coated fertilizer, law of nutritive absorption according to pear tree carries out the composite pear tree special-purpose control-release fertilizer that makes simultaneously, and carried out field experiment, obtained good effect.
Technical scheme of the present invention is as follows:
Pear tree special-purpose control-release fertilizer of the present invention, feed composition is as follows, is weight part:
60～120 parts of 6% sulfur and resin coated composite fertilizers
120～180 parts of 7% sulfur and resin coated composite fertilizers
100～160 parts in 4% sulfur and resin coated saltpetre
150～200 parts in 5% sulfur and resin coated saltpetre
50～100 parts in 3% sulfur and resin coated ammonium phosphate
50～150 parts in 3% sulfur and resin coated urea
20～100 parts in 7% sulfur and resin coated urea
150～250 parts of compound potassium sulfate fertilizers
0～10 part in zinc sulfate
0～10 part of borax.
Above-mentioned raw materials is the commercially available prod, and wherein following raw material is that Shandong Kingenta Bio-engineering Stock Co., Ltd.'s product is sold:
6% sulfur and resin coated composite fertilizer is meant that the resin molding quality is 6% (the sulphur film quality is 20% of a total mass, down together) of total mass, and model is KPS06 (14-6-15); 7% sulfur and resin coated composite fertilizer is meant that the resin molding quality is 7% of a total mass, and model is KPS07 (14-6-15); 4% sulfur and resin coated saltpetre is meant that the resin molding quality is 4% of a total mass, and model is KPS04 (10-0-34); 5% sulfur and resin coated saltpetre is meant that the resin molding quality is 5% of a total mass, and model is KPS05 (10-0-34); 3% sulfur and resin coated ammonium phosphate is meant that the resin molding quality is 3% of a total mass, and model is KPS03 (11-36-0); 3% sulfur and resin coated urea is meant that the resin molding quality is 3% of a total mass, and model is KPS03 (34-0-0); 7% sulfur and resin coated urea is meant that the resin molding quality is 7% of a total mass, and model is KPS07 (34-0-0).
Above raw material also can for example can prepare by the method for CN1569774 (200410024050.X) by prior art for preparing.
In the compound potassium sulfate fertilizer, nitrogen, Vanadium Pentoxide in FLAKES, potassium oxide content are respectively 14%～16%, 14%～16%, 14%～16%, and further preferred nitrogen, Vanadium Pentoxide in FLAKES, potassium oxide content are respectively 15%, 15%, 15%, are mass percent.
The particle diameter of above-mentioned all raw materials is good in 2～4 millimeters scopes all.
Further preferred, the pear tree special-purpose control-release fertilizer, feed composition is as follows, is weight part:
95～105 parts of 6% sulfur and resin coated composite fertilizers
130～140 parts of 7% sulfur and resin coated composite fertilizers
145～155 parts in 4% sulfur and resin coated saltpetre
180～190 parts in 5% sulfur and resin coated saltpetre
80～90 parts in 3% sulfur and resin coated ammonium phosphate
100～110 parts in 3% sulfur and resin coated urea
25～35 parts in 7% sulfur and resin coated urea
190～210 parts of compound potassium sulfate fertilizers
4～6 parts in zinc sulfate
4～6 parts of boraxs.
The preparation method of pear tree 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 pear tree special-purpose control-release fertilizer of the present invention, this fertilizer are once to apply before pear tree rudiment in spring.Fertilizing method is outwards to dig 6 dark ditches of 20～40 centimetres from 1 meter of trunk, fertilizer is applied lid layer soil and mixing after earthing water.
Technical characterstic of the present invention is to utilize the Nutrient Release of different coated fertilizers, while is according to the law of nutritive absorption of pear tree growth, carry out the difference release period of specific coating quantity and the single kind controlled release fertilizer and the conventional fertilizer of part of different fertilizer core accurately composite, formed the pear tree special-purpose control-release fertilizer, and carried out field experiment, obtained good effect.This fertilizer is once to apply before pear tree rudiment in spring, needn't go later on again and topdress.
Excellent results of the present invention is as follows:
1. nitrogen, phosphorus, the main nutrient of potassium discharge and meet the growth cycle absorption requirement of pear tree year
Pear tree absorbs phosphate fertilizer, and to chase after many periods is before and after fallen leaves and the rudiment front and back, is mainly used in root growth and promotion is bloomed; It is fruit expanding period that absorption potash fertilizer chases after many periods, and potash fertilizer can promote carbohydrate to shift and improve the sugar content of fruit in fruit; It is after the rudiment and before the fallen leaves that pear tree absorbs nitrogen more relatively period, mainly is to promote leaf growth and photosynthesis.Special-purpose control-release fertilizer designs according to this absorbing rule just, can satisfy the pear tree nutritional need of the whole year.
2. reduce and repeatedly apply fertilizer the injury of root system
Pear tree is dark root system fruit tree, and main Root Distribution is in 20～40 cm layer of soil, and fertilizer imposes on soil surface to be difficult to be absorbed, and only executes certain depth at soil layer and just can be absorbed and play a role.The quick-acting chemical fertilizer of using at present, the applied once amount can not be too many, otherwise can cause the burning root and run off a small amount of fertilization mode repeatedly of necessary employing with rainfall.But in the repeatedly ditching fertilising of pear tree growing period, must cut off a large amount of root systems, influence growth and to nutrient absorbing.Special-purpose control-release fertilizer adopts annual single-dose application, has avoided the injury to root system, helps nutrient absorbing.
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.Pear tree special-purpose control-release fertilizer particle is surrounded by putamina, can not dissolve after being manured into soil at once, it nutrient discharge to be progressively to carry out along with the absorption of pear tree root system, nutrient ion residual in the soil is few, because of the nutrient of rainfall or irrigation loss is also few, obviously improved utilization rate of fertilizer.
4. the minimizing fertilizer application frequency saves labor
The pear tree fertilising needs ditching, and labour intensity is big.The annual fertilising of special-purpose control-release fertilizer has once reduced fertilizer application frequency, greatly reduces peasant's labour intensity, has saved the recruitment cost, has improved economic benefit.
Embodiment
The invention will be further described below in conjunction with embodiment and Comparative Examples, but be not limited thereto.
The raw materials used commercially available prod that is in following examples, wherein, 6% sulfur and resin coated composite fertilizer (the sulphur film quality is 20% of a total mass, down together) model is KPS06 (14-6-15); 7% sulfur and resin coated composite fertilizer model is KPS07 (14-6-15); 4% sulfur and resin coated saltpetre model is KPS04 (10-0-34); 5% sulfur and resin coated saltpetre model is KPS05 (10-0-34); 3% sulfur and resin coated ammonium phosphate model is KPS03 (11-36-0); 3% sulfur and resin coated urea model is KPS03 (34-0-0); 7% sulfur and resin coated urea model is KPS07 (34-0-0); Above raw material is that Shandong Kingenta Bio-engineering Stock Co., Ltd.'s product is sold.In the compound potassium sulfate fertilizer, nitrogen, Vanadium Pentoxide in FLAKES, potassium oxide content are respectively 15%, 15%, 15%, are mass percent.The particle diameter of above-mentioned all raw materials is good in 2～4 millimeters scopes all.
Embodiment 1: the pear tree special-purpose control-release fertilizer, total nutrient: nitrogen, Vanadium Pentoxide in FLAKES, potassium oxide content are respectively 16%, 7%, 16%, are mass percent.Feed composition is as follows:
6% sulfur and resin coated composite fertilizer 100kg
7% sulfur and resin coated composite fertilizer 135kg
4% sulfur and resin coated saltpetre 120kg
5% sulfur and resin coated saltpetre 160kg
3% sulfur and resin coated ammonium phosphate 85kg
3% sulfur and resin coated urea 140kg
7% sulfur and resin coated urea 50kg
Compound potassium sulfate fertilizer 200kg
Zinc sulfate 5kg
Borax 5kg.
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 pear tree special-purpose control-release fertilizer, total nutrient: nitrogen, Vanadium Pentoxide in FLAKES, potassium oxide content are respectively 15%, 7%, 18%, are mass percent.Feed composition is as follows:
6% sulfur and resin coated composite fertilizer 100kg
7% sulfur and resin coated composite fertilizer 135kg
4% sulfur and resin coated saltpetre 150kg
5% sulfur and resin coated saltpetre 190kg
3% sulfur and resin coated ammonium phosphate 85kg
3% sulfur and resin coated urea 100kg
7% sulfur and resin coated urea 30kg
Compound potassium sulfate fertilizer 200kg
Zinc sulfate 5kg
Borax 5kg.
Embodiment 3: the pear tree special-purpose control-release fertilizer, total nutrient: nitrogen, Vanadium Pentoxide in FLAKES, potassium oxide content are respectively 16%, 7%, 16%, are mass percent.Feed composition is as follows:
6% sulfur and resin coated composite fertilizer 70kg
7% sulfur and resin coated composite fertilizer 165kg
4% sulfur and resin coated saltpetre 100kg
5% sulfur and resin coated saltpetre 180kg
3% sulfur and resin coated ammonium phosphate 90kg
3% sulfur and resin coated urea 140kg
7% sulfur and resin coated urea 50kg
Compound potassium sulfate fertilizer 200kg
Borax 5kg.
Embodiment 4: the pear tree special-purpose control-release fertilizer, total nutrient: nitrogen, Vanadium Pentoxide in FLAKES, potassium oxide content are respectively 15%, 7%, 18%, are mass percent.Feed composition is as follows:
6% sulfur and resin coated composite fertilizer 100kg
7% sulfur and resin coated composite fertilizer 135kg
4% sulfur and resin coated saltpetre 150kg
5% sulfur and resin coated saltpetre 190kg
3% sulfur and resin coated ammonium phosphate 85kg
3% sulfur and resin coated urea 50kg
7% sulfur and resin coated urea 85kg
Compound potassium sulfate fertilizer 200kg
Zinc sulfate 5kg.
Comparative Examples: common compound potassium sulfate fertilizer (total nutrient content 45%)+urea (nitrogen content 46%)+vitriolate of tartar (potassium oxide content 50%).
The effect of above embodiment 1～4 and Comparative Examples is as follows:
For examination pear tree kind is that big fruit is quartzy, and soil is umber, the age of tree 7 years.600 kilograms of common compound potassium sulfate fertilizers of per hectare in the Comparative Examples, 150 kilograms of urea, 150 kilograms of vitriolate of tartar; The fertilizer amount of special-purpose control-release fertilizer is 800 kilograms of per hectares.Whole special-purpose control-release fertilizers are once to apply before pear tree rudiment in spring among the embodiment; Compound potassium sulfate fertilizer is to apply before pear tree rudiment in spring in the Comparative Examples, and urea and vitriolate of tartar mix that back 60%wt uses in pear tree flowering period, 40%wt uses in the pear tree fruit expanding period.Fertilizing method is outwards to dig 6 dark ditches of 20～40 centimetres from 1 meter of trunk, fertilizer is applied lid layer soil and mixing after earthing water.
| Yield-increasing efficiency (%) | Improve utilization rate of nitrogen fertilizer (%) | Estimate | |
| Embodiment 1 | 9.3 | 15.4 | Effect of increasing production is better, improves utilization rate of fertilizer, saves labor, and is worthy to be popularized. |
| Embodiment 2 | 12.5 | 17.2 | Effect of increasing production is good, improves utilization rate of fertilizer, saves labor, and is worthy to be popularized. |
| Embodiment 3 | 10.7 | 15.3 | Effect of increasing production is good, improves utilization rate of fertilizer, saves labor, and is worthy to be popularized. |
| Embodiment 4 | 11.2 | 15.8 | Effect of increasing production is good, improves utilization rate of fertilizer, saves labor, and is worthy to be popularized. |
| Comparative Examples | - | - | The fertilizer utilization rate of fertilizer is low, and recruitment cost height should not be promoted. |
Claims (5)
1, pear tree special-purpose control-release fertilizer is characterized in that feed composition is as follows, is weight part:
60～120 parts of 6% sulfur and resin coated composite fertilizers
120～180 parts of 7% sulfur and resin coated composite fertilizers
100～160 parts in 4% sulfur and resin coated saltpetre
150～200 parts in 5% sulfur and resin coated saltpetre
50～100 parts in 3% sulfur and resin coated ammonium phosphate
50～150 parts in 3% sulfur and resin coated urea
20～100 parts in 7% sulfur and resin coated urea
150～250 parts of compound potassium sulfate fertilizers
0～10 part in zinc sulfate
0～10 part of borax;
Wherein, 6% sulfur and resin coated composite fertilizer is meant that the resin molding quality is 6% of a total mass, and model is KPS06, and the mass percentage content of N, P, K is respectively 14%, 6%, 15%; 7% sulfur and resin coated composite fertilizer is meant that the resin molding quality is 7% of a total mass, and model is KPS07, and the mass percentage content of N, P, K is respectively 14%, 6%, 15%; 4% sulfur and resin coated saltpetre is meant that the resin molding quality is 4% of a total mass, and model is KPS04, and the mass percentage content of N, P, K is respectively 10%, 0,34%; 5% sulfur and resin coated saltpetre is meant that the resin molding quality is 5% of a total mass, and model is KPS05, and the mass percentage content of N, P, K is respectively 10%, 0,34%; 3% sulfur and resin coated ammonium phosphate is meant that the resin molding quality is 3% of a total mass, and model is KPS03, and the mass percentage content of N, P, K is respectively 11%, 36%, 0; 3% sulfur and resin coated urea is meant that the resin molding quality is 3% of a total mass, and model is KPS03, and the mass percentage content of N, P, K is respectively 34%, 0,0; 7% sulfur and resin coated urea is meant that the resin molding quality is 7% of a total mass, and model is KPS07, and the mass percentage content of N, P, K is respectively 34%, 0,0; The sulphur film quality is 20% of total mass in the above-described raw material, and Shandong Kingenta Bio-engineering Stock Co., Ltd. produces and sells;
In the described compound potassium sulfate fertilizer, nitrogen, Vanadium Pentoxide in FLAKES, potassium oxide content are respectively 14%～16%, 14%～16%, 14%～16%, are mass percent.
2, pear tree 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.
3, pear tree special-purpose control-release fertilizer as claimed in claim 1 is characterized in that feed composition is as follows, is weight part:
95～105 parts of 6% sulfur and resin coated composite fertilizers
130～140 parts of 7% sulfur and resin coated composite fertilizers
145～155 parts in 4% sulfur and resin coated saltpetre
180～190 parts in 5% sulfur and resin coated saltpetre
80～90 parts in 3% sulfur and resin coated ammonium phosphate
100～110 parts in 3% sulfur and resin coated urea
25～35 parts in 7% sulfur and resin coated urea
190～210 parts of compound potassium sulfate fertilizers
4～6 parts in zinc sulfate
4～6 parts of boraxs.
4, the preparation method of the described pear tree special-purpose control-release fertilizer of a kind of claim 1 puts into stirrer with described each raw material together by proportioning and stirred 5～10 minutes, and fully mixing promptly.
5, the application of the described pear tree special-purpose control-release fertilizer of claim 1, this fertilizer are once to apply before pear tree rudiment in spring.
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| CNB2008100143118A CN100478314C (en) | 2008-02-27 | 2008-02-27 | Special control-release fertilizer for sulfur and resin coated pear and preparation method thereof |
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| CNB2008100143118A CN100478314C (en) | 2008-02-27 | 2008-02-27 | Special control-release fertilizer for sulfur and resin coated pear and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102173963A (en) * | 2011-03-04 | 2011-09-07 | 山东农业大学 | Controlled-release bulk blending fertilizer for southern honey peach trees and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101747103B (en) * | 2008-12-17 | 2012-09-26 | 中国科学院沈阳应用生态研究所 | Dedicated fertilizer for producing green nanguo pear and preparation and application method thereof |
| CN103664275A (en) * | 2012-09-02 | 2014-03-26 | 句容市农业技术推广中心 | Special fertilizer for pear saplings |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102173963A (en) * | 2011-03-04 | 2011-09-07 | 山东农业大学 | Controlled-release bulk blending fertilizer for southern honey peach trees 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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