CN102875252A - Dedicated controlled-release fertilizer for rape containing long-acting boron nutrients, as well as preparation and application method of dedicated controlled-release fertilizer - Google Patents
Dedicated controlled-release fertilizer for rape containing long-acting boron nutrients, as well as preparation and application method of dedicated controlled-release fertilizer Download PDFInfo
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- CN102875252A CN102875252A CN2012104309462A CN201210430946A CN102875252A CN 102875252 A CN102875252 A CN 102875252A CN 2012104309462 A CN2012104309462 A CN 2012104309462A CN 201210430946 A CN201210430946 A CN 201210430946A CN 102875252 A CN102875252 A CN 102875252A
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Abstract
The invention relates to a dedicated controlled-release fertilizer for rape containing long-acting boron nutrients, as well as a preparation and application method of the dedicated controlled-release fertilizer. The dedicated controlled-release fertilizer comprises the components in part by weight: 250 to 450 parts of boron-contained weathered coal sulfur coated urea I, 150 to 300 parts of boron-contained weathered coal sulfur coated urea II, 200 to 400 parts of diammonium phosphate and 100 to 250 parts of granular potassium chloride, wherein boron-contained weathered coal sulfur coated urea I and boron-contained weathered coal sulfur coated urea II are respectively prepared by taking granular urea as core fertilizers through coating in the prior art, while the coating material contains boric acid and weathered coal according to the mass ratio of 1 : (5 to 10). The invention further provides a preparation method and an application of the dedicated controlled-release fertilizer for rape containing long-acting boron nutrients. The boron nutrients in the dedicated controlled-release fertilizer for rape are applied uniformly, the boron release speed is slow, the effective nutrient time of rape is prolonged, the yield increasing effect is good, the fertilizer application is convenient, and the cost is lowered.
Description
Technical field
The present invention relates to a kind of special control-release fertilizer for rape and methods for making and using same thereof that contains long-acting boron nutrition, belong to release and release control fertilizer production and applied technical field.
Background technology
Boron is one of essential micronutrient element of higher plant, and a key character of plant boron deficiency is that reproductive development is unusual.Rape is one of most important oil crops of China, average annual cultivated area 1.1 hundred million～1.2 hundred million mu, and about 1,050 ten thousand tons of gross outputs occupy first place in the world.Rape is to one of the most responsive crop of boron, but all there is boron deficient soil in various degree in China rape producing region, the low phenomenon that causes the underproduction even total crop failure of setting percentage therefore very easily occurs.According to statistics, China rape producing region has 25% soil lacking boron approximately, and using boron fertilizer has become and prevent rape flower and important cultivation step unreal, that increase yield of rape.
Boron fertilizer is used and is mainly comprised foliage-spray and soil application at present.Foliage-spray has fast, the advantages such as utilization ratio is high, successful of absorption, but validity period is short, and need to repeatedly spray just to have good effect, and this greatly increases labour cost; The soil application boron fertilizer no matter be to use separately or join in the composite fertilizer, after being manured into soil, is subjected to the impact of Multiple components in the soil, it is lost activity or runs off with soil moisture, reduces the validity to crop.According to the study, the nutrition of boron element is best with the florescence application effect to the production-increasing function of rape, uses the production-increasing function less seedling stage, and China's soil application boron fertilizer majority is as base manure.
Controlled Release Fertilizer has nutrient and discharges and to meet the Crop requirement, and utilization rate of fertilizer is high, and fertilizer application frequency reduces, and the plurality of advantages such as save labor represents the developing direction of fertilizer variety.The production of Controlled Release Fertilizer is combined with the release period that prolongs the nutrition of boron element, do not changing coating process, do not increasing boron make-up element nutrition in the situation of coating cost.At first produce boron-rich Controlled Release Nitrogen Fertilizer, replenish phosphate fertilizer and potash fertilizer according to the nutrient demand rule of rape again, produce special control-release fertilizer for rape, the macroelement effect is prolonged, the fertilizer efficiency of the required boron element of rape is prolonged, be conducive to satisfy the requirement of rape intermediary and later stages B Absorption, improve output, improve quality.Have no at present relevant report.
CN101234942 (200810014651.0) discloses a kind of special control-release fertilizer for rape and preparation method thereof, and this invention is that the components such as the sulfur and resin coated urea, 3% sulfur and resin coated saltpetre, 4% sulfur and resin coated ammonium phosphate, diammonium phosphate, vitriolate of tartar with different coating quantities are composite and get.Although also contain the nutrition (borax) of boron element in this invention prescription, also Shortcomings, the one, borax is Powdered, directly mixes with other feed particulate material, is not easy mixing; The 2nd, being manured into soil directly contacts with soil afterwards, can lose because some composition in the soil fixes fertilizer efficiency; Moreover borax is quick acting fertilizer, and it may be because of losses such as irrigation, rainfalls, so that can't satisfy the demand of growth of rape intermediary and later stages boron nutrition.
Summary of the invention
For the deficiencies in the prior art, the invention provides a kind of special control-release fertilizer for rape and methods for making and using same thereof that contains long-acting boron nutrition, gained fertilizer not only nitrogen has the control release action, and the boron element nutrition that rape is had special role has also prolonged fertilizer efficiency, satisfies the rape needs in the time of infertility.
Technical scheme of the present invention is as follows:
The special control-release fertilizer for rape that contains long-acting boron nutrition, raw materials quality part is:
250～450 parts of boracic weathered coal coated carbamide I,
50～300 parts of boracic weathered coal coated carbamide II,
200～400 parts of diammonium phosphate,
100～250 parts of granule potassium chlorides;
Wherein, described boracic weathered coal coated carbamide I, boracic weathered coal coated carbamide II make by the prior art coating take granular urea as core fertilizer respectively, and coated fertilizer is boric acid: the combination of weathered coal=1: 5～10 mass ratioes;
It is 6wt% that the coated fertilizer of described boracic weathered coal coated carbamide I accounts for nuclear core fertiliser granulates urea quality per-cent;
It is 9wt% that the coated fertilizer of described boracic weathered coal coated carbamide II accounts for nuclear core fertiliser granulates urea quality per-cent.
To account for the mass ratio of core fertilizer urea be 1wt% to the amount of used binding agent during described boracic weathered coal coated carbamide I coating; To account for the mass ratio of core fertilizer urea be 1.5wt% to the amount of used binding agent during described boracic weathered coal coated carbamide II coating.Preferably, used binding agent is dihydroxyphenyl propane when described boracic weathered coal coated carbamide I, boracic weathered coal coated carbamide II coating: the combination of triethylene tetramine=1: 0.11～0.14 mass ratio.
Described weathered coal is to be near the coal seam in earth's surface or earth's surface, under the long-term combined action of the external force such as atmosphere, water and biology, effect by disaggregation, chemical weathering and organic weathering, basic variation has occured in its physical properties, chemical property, formed a kind of natural organic substance that contains more humic acids, market is on sale.
Described diammonium phosphate, granule potassium chloride, granular urea (core fertilizer) are the commercially available prod.Preferably, 2～4 millimeters of diammonium phosphate particle diameters, 2～4 millimeters of granule potassium chloride particle diameters, 2～3 millimeters of granular urea particle diameters.
According to the present invention, preferably, contain the special control-release fertilizer for rape of long-acting boron nutrition, raw materials quality part is:
380～420 parts of boracic weathered coal coated carbamide I,
90～110 parts of boracic weathered coal coated carbamide II,
330～370 parts of diammonium phosphate,
140～160 parts of granule potassium chlorides.
According to the present invention, contain the preparation method of the special control-release fertilizer for rape of long-acting boron nutrition, step is as follows:
(1) preparation of boracic weathered coal coated carbamide I, boracic weathered coal coated carbamide II:
Press boric acid: weathered coal=1: 5～10 mass ratioes, get boric acid and weathered coal, first with the hot water 85 ° C～95 ° C dissolving of boric acid with 3 ~ 4 times of weight, be sprayed on the weathered coal, stir while spraying, placed under the room temperature 4～6 hours, 60 ° of C～80 ° C oven dry, levigate mistake 100 mesh sieves get the agent of boracic weathered coal coating;
Press dihydroxyphenyl propane: the mass ratio of triethylene tetramine=1: 0.11～0.14, get dihydroxyphenyl propane and triethylene tetramine, mix, make binding agent;
The granular urea of getting 2～3 millimeters of particle diameters is core fertilizer, in rotary drum, be preheated to 60 ° of C～70 ° C, the binding agent that makes is sprayed on the urea granules that rotates, the mass ratio that the amount of binding agent accounts for core fertilizer urea is 0.5wt%, spray again the boracic weathered coal coating agent of one deck preparation, the mass ratio that the amount of coating agent accounts for core fertilizer urea is 3.0wt%, repeats this process 1 time after the curing, gets boracic weathered coal coated carbamide I;
The granular urea that other gets 2～3 millimeters of particle diameters is put into rotary drum and is preheated to 60 ° of C～70 ° C, the binding agent that makes is sprayed on the urea granules that rotates, the mass ratio that the amount of binding agent accounts for core fertilizer urea is 0.5wt%, spray again the boracic weathered coal coating agent of one deck preparation, the mass ratio that the amount of coating agent accounts for core fertilizer urea is 3.0wt%, repeat this process 2 times after the curing, get boracic weathered coal coated carbamide II;
(2) composite
By prescription, boracic weathered coal coated carbamide I, the boracic weathered coal coated carbamide II of step (1) preparation and diammonium phosphate, granule potassium chloride are carried out composite, namely get the special control-release fertilizer for rape that the present invention contains long-acting boron nutrition.
According to the preparation method who contains the special control-release fertilizer for rape of long-acting boron nutrition of the present invention, preferred:
The described boric acid of step (1): the mass ratio of weathered coal is 1: 7～8.
Binding agent in the step (1), the mass ratio of dihydroxyphenyl propane and triethylene tetramine is 1: 0.12.
Core fertilizer is preheated to 65 ° of C in the step (1) in rotary drum.
The present invention contains the application of the special control-release fertilizer for rape of long-acting boron nutrition, and this Term Fertilization method is as follows:
Before rape seed, evenly spread fertilizer over the fields in the earth's surface, then turn over and bury.Fertilizer amount: amount to into purity nitrogen, Vanadium Pentoxide in FLAKES, every mu of 20-30 kilogram of potassium oxide three total amount.
Technical characterstic of the present invention: the one, the nutritive element boron Absorption of Rape amount is few and special requirement mixes with weathered coal, and it is more even that it is used, and validity is higher; The 2nd, boron fertilizer is combined with Controlled Release Nitrogen Fertilizer production, do not change coating process, do not increase the coating cost; The 3rd, prolonged the boron fertilizer effect, its supply and the maximum absorption phase of rape are matched, improved yield of rape, improved product quality.Through overtesting, obtained good effect.
Excellent results of the present invention:
1. the nutrition of boron element is used evenly
Although rape is very responsive to the nutrition of boron element, uses the boron fertilizer obvious effect of increasing production, its absorbed dose seldom, so the amount of application of boron fertilizer is also few, in general, soil is executed every mu of boron and is no more than 0.5 kilogram, many easy generations are poisoned.Be manured into soil so on a small quantity and be difficult to evenly.The present invention adds boron in the coating agent, has played good dissemination, makes fertilising more even, has obviously improved application effect.
2. prolong boron element fertilizer efficiency
Boron is added in the weathered coal, used binding agent in urea coated process, boron release speed is slowed down, run off in soil and the fixed action reduction, to prolongation working lipe of rape, effect of increasing production is good.
3. save production cost
The special control-release fertilizer for rape that the present invention contains long-acting boron nutrition is that the slowly-releasing with the nutrition of boron element combines with Controlled Release Nitrogen Fertilizer production, has saved production cost.
Embodiment
The present invention will be further described below in conjunction with embodiment, but be not limited to this.Raw material consumption umber among the embodiment is mass parts.Weathered coal, Xinjiang are risen and are contained the production of development in science and technology company limited, organic content 70.2wt%.Dihydroxyphenyl propane, triethylene tetramine, Jiangsu Miki Chemical Co., Ltd is on sale.Diammonium phosphate, nitrogenous 18wt%, Vanadium Pentoxide in FLAKES 46wt%, 2～4 millimeters of particle diameters; 2～4 millimeters of granule potassium chloride particle diameters contain potassium oxide 50wt%, are the commercially available prod.
Embodiment 1:
The special control-release fertilizer for rape that contains long-acting boron nutrition, raw material form: boracic weathered coal coated carbamide I350 kilogram, boracic weathered coal coated carbamide II150 kilogram, 300 kilograms of diammonium phosphate, 200 kilograms of granule potassium chlorides.
The preparation method:
(1) preparation of boracic weathered coal coated carbamide I, boracic weathered coal coated carbamide II:
Get 2 kilograms of boric acid and be dissolved in 6 kilograms of 90 ° of C hot water, be cooled to 30 ° below the C, be sprayed onto on 15 kilograms of weathered coals, stir while spraying, placed 5 hours under the room temperature, dry under 65 ° of C conditions, levigate mistake 100 mesh sieves get the agent of boracic weathered coal coating, and are for subsequent use; Get 10 kilograms of dihydroxyphenyl propanes, 1.2 kilograms of triethylene tetramines mix both, get binding agent;
The granular urea of getting 2～3 millimeters of particle diameters is put into rotary drum and is preheated to 65 ° of C, the binding agent that makes is sprayed on the urea granules that rotates, the mass ratio that the amount of binding agent accounts for core fertilizer urea is 0.5wt%, spray again the boracic weathered coal coating agent of one deck preparation, the mass ratio that the amount of coating agent accounts for core fertilizer urea is 3.0wt%, repeat this process 1 time after the curing, get boracic weathered coal coated carbamide I;
The granular urea that other gets 2～3 millimeters of particle diameters is put into rotary drum and is preheated to 65 ° of C, the binding agent that makes is sprayed on the urea granules that rotates, the mass ratio that the amount of binding agent accounts for core fertilizer urea is 0.5wt%, spray again the boracic weathered coal coating agent of one deck preparation, the mass ratio that the amount of coating agent accounts for core fertilizer urea is 3.0wt%, repeat this process 2 times after the curing, get boracic weathered coal coated carbamide II;
(2) composite
By prescription, boracic weathered coal coated carbamide I, the boracic weathered coal coated carbamide II of step (1) preparation and diammonium phosphate, granule potassium chloride are carried out composite, namely get the special control-release fertilizer for rape that contains long-acting boron nutrition.
Embodiment 2:
The special control-release fertilizer for rape that contains long-acting boron nutrition, raw material form: boracic weathered coal coated carbamide I400 kilogram, boracic weathered coal coated carbamide II100 kilogram, 350 kilograms of diammonium phosphate, 150 kilograms of granule potassium chlorides.
The preparation method is with embodiment 1.
Embodiment 3:
The special control-release fertilizer for rape that contains long-acting boron nutrition, raw material form: boracic weathered coal coated carbamide I300 kilogram, boracic weathered coal coated carbamide II200 kilogram, 250 kilograms of diammonium phosphate, 250 kilograms of granule potassium chlorides.
The preparation method is with embodiment 1.
Embodiment 4:
The special control-release fertilizer for rape that contains long-acting boron nutrition, raw material form: boracic weathered coal coated carbamide I250 kilogram, boracic weathered coal coated carbamide II250 kilogram, 400 kilograms of diammonium phosphate, 100 kilograms of granule potassium chlorides.
The preparation method is with embodiment 1.
Embodiment 5:
The special control-release fertilizer for rape that contains long-acting boron nutrition, raw material form: boracic weathered coal coated carbamide I300 kilogram, boracic weathered coal coated carbamide II300 kilogram, 200 kilograms of diammonium phosphate, 200 kilograms of granule potassium chlorides.
The preparation method is with embodiment 1.
Embodiment 6:
The special control-release fertilizer for rape that contains long-acting boron nutrition, raw material form: boracic weathered coal coated carbamide I400 kilogram, boracic weathered coal coated carbamide II200 kilogram, 300 kilograms of diammonium phosphate, 100 kilograms of granule potassium chlorides.
The preparation method is with embodiment 1.
Comparative Examples: common urea, nitrogen content 46wt%; Diammonium phosphate, nitrogenous 18wt%, Vanadium Pentoxide in FLAKES 46wt%; Granule potassium chloride contains potassium oxide 50wt%.
The effect of above embodiment 1～6 and Comparative Examples is as follows:
Test site: Zhijiang City, Hubei Province, Jiangyan City, Jiangsu Province;
For trying rape variety: Zhijiang City Zhongyouza No.8, Jiangyan City's Qin-you No.7;
Test period: year May in October, 2011 to 2012.
If the special control-release fertilizer for rape that contains long-acting boron nutrition of embodiment 1-6 and Comparative Examples be totally 7 processing, each processes 120 square metres of residential quarter areas.The two places design is identical.Embodiment 1-6 is identical with the Comparative Examples fertilizer amount, amounts to into 25 kilograms every mu of purity nitrogens, Vanadium Pentoxide in FLAKES, potassium oxide three total amount.Embodiment 1-6 Term Fertilization method is: all evenly spread fertilizer over the fields in ground before rape seed, then turn over and bury.Diammonium phosphate in the Comparative Examples, Repone K fertilizing method are identical with embodiment, and urea topdresses and uses.Other control measures are identical.Effect sees Table 1.
Table 1 is compared the application rape test-results of embodiment 1-6 with Comparative Examples
| Fertilizer of the present invention | Zhijiang City rape yield increasing rate % | The rape yield increasing rate % of Jiangyan City |
| Embodiment 1 | 9.6 | 8.5 |
| Embodiment 2 | 11.2 | 9.8 |
| Embodiment 3 | 8.4 | 8.9 |
| Embodiment 4 | 7.3 | 6.8 |
| Embodiment 5 | 8.7 | 7.1 |
| Embodiment 6 | 10.4 | 7.6 |
Claims (5)
1. special control-release fertilizer for rape that contains long-acting boron nutrition is characterized in that raw materials quality part is as follows:
250～450 parts of boracic weathered coal coated carbamide I,
50～300 parts of boracic weathered coal coated carbamide II,
200～400 parts of diammonium phosphate,
100～250 parts of granule potassium chlorides;
Wherein, described boracic weathered coal coated carbamide I, boracic weathered coal coated carbamide II make by the prior art coating take granular urea as core fertilizer respectively, and coated fertilizer is boric acid: the combination of weathered coal=1: 5～10 mass ratioes;
It is 6wt% that the coated fertilizer of described boracic weathered coal coated carbamide I accounts for nuclear core fertiliser granulates urea quality per-cent;
It is 9wt% that the coated fertilizer of described boracic weathered coal coated carbamide II accounts for nuclear core fertiliser granulates urea quality per-cent.
2. the special control-release fertilizer for rape that contains long-acting boron nutrition as claimed in claim 1 is characterized in that raw materials quality part is:
380～420 parts of boracic weathered coal coated carbamide I,
90～110 parts of boracic weathered coal coated carbamide II,
330～370 parts of diammonium phosphate,
140～160 parts of granule potassium chlorides.
3. claim 1 or the 2 described preparation methods that contain the special control-release fertilizer for rape of long-acting boron nutrition, step is as follows:
(1) presses boric acid: weathered coal=1: 5～10 mass ratioes, get boric acid and weathered coal, first with the hot water 85 ° C～95 ° C dissolving of boric acid with 3 ~ 4 times of weight, be sprayed on the weathered coal, stir while spraying, placed under the room temperature 4～6 hours, 60 ° of C～80 ° C oven dry, levigate mistake 100 mesh sieves get the agent of boracic weathered coal coating; Press dihydroxyphenyl propane: the mass ratio of triethylene tetramine=1: 0.11～0.14, get dihydroxyphenyl propane and triethylene tetramine, mix, make binding agent;
The granular urea of getting 2～3 millimeters of particle diameters is core fertilizer, in rotary drum, be preheated to 60 ° of C～70 ° C, the binding agent that makes is sprayed on the urea granules that rotates, the mass ratio that the amount of binding agent accounts for core fertilizer urea is 0.5wt%, spray again the boracic weathered coal coating agent of one deck preparation, the mass ratio that the amount of coating agent accounts for core fertilizer urea is 3.0wt%, repeats this process 1 time after the curing, gets boracic weathered coal coated carbamide I;
The granular urea that other gets 2～3 millimeters of particle diameters is put into rotary drum and is preheated to 60 ° of C～70 ° C, the binding agent that makes is sprayed on the urea granules that rotates, the mass ratio that the amount of binding agent accounts for core fertilizer urea is 0.5wt%, spray again the boracic weathered coal coating agent of one deck preparation, the mass ratio that the amount of coating agent accounts for core fertilizer urea is 3.0wt%, repeat this process 2 times after the curing, get boracic weathered coal coated carbamide II;
(2) by prescription, boracic weathered coal coated carbamide I, the boracic weathered coal coated carbamide II of step (1) preparation and diammonium phosphate, granule potassium chloride are carried out composite, and get final product.
4. the preparation method who contains the special control-release fertilizer for rape of long-acting boron nutrition as claimed in claim 3, it is characterized in that the described boric acid of step (1): the mass ratio of weathered coal is 1: 7～8.
Claim 1 or the 2 described special control-release fertilizer for rape that contain long-acting boron nutrition application, it is characterized in that application process is as follows:
Before rape seed, evenly spread fertilizer over the fields in the earth's surface, then turn over and bury; Fertilizer amount: amounting to into purity nitrogen, Vanadium Pentoxide in FLAKES, potassium oxide three total amount is every mu of 20-30 kilogram.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113248316A (en) * | 2021-06-09 | 2021-08-13 | 甘肃省农业科学院土壤肥料与节水农业研究所 | Boron-rich slow controlled release fertilizer special for spring rapes in northern cold and arid regions and preparation method thereof |
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| US20110218102A1 (en) * | 2006-02-08 | 2011-09-08 | The Andersons, Inc. | Dispersable potash granule |
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| CN102260124A (en) * | 2011-05-17 | 2011-11-30 | 谭钧 | Method for preparing humic acid coated urea |
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| JP2007089488A (en) * | 2005-09-29 | 2007-04-12 | Sumitomo Chemical Co Ltd | Fertilizing method in potato cultivation |
| US20110218102A1 (en) * | 2006-02-08 | 2011-09-08 | The Andersons, Inc. | Dispersable potash granule |
| CN102180746A (en) * | 2011-03-03 | 2011-09-14 | 菏泽金正大生态工程有限公司 | Special drought-resistant controlled-release fertilizer for potatoes, and preparation and application thereof |
| CN102260124A (en) * | 2011-05-17 | 2011-11-30 | 谭钧 | Method for preparing humic acid coated urea |
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| CN113248316A (en) * | 2021-06-09 | 2021-08-13 | 甘肃省农业科学院土壤肥料与节水农业研究所 | Boron-rich slow controlled release fertilizer special for spring rapes in northern cold and arid regions and preparation method thereof |
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