CN103539509B - Compound controlled-release fertilizer special for spring corns and production method thereof - Google Patents
Compound controlled-release fertilizer special for spring corns and production method thereof Download PDFInfo
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- CN103539509B CN103539509B CN201210235892.4A CN201210235892A CN103539509B CN 103539509 B CN103539509 B CN 103539509B CN 201210235892 A CN201210235892 A CN 201210235892A CN 103539509 B CN103539509 B CN 103539509B
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Abstract
The invention relates to the field of chemical fertilizers, in particular to a compound controlled-release fertilizer special for spring corns and a production method of the compound controlled-release fertilizer. The compound controlled-release fertilizer special for spring corns is composed of the following components in parts by weight: 300-500 parts of nitrogenous fertilizer, 100-170 parts of phosphate fertilizer, 120-235 parts of potassic fertilizer, and 3-15 parts of a slow controlled release long-acting agent. The nutrient supply, the efficiency and the time of the compound controlled-release fertilizer special for spring corns are synchronized with the crop growth requirements, the special proportion of nitrogen, phosphorus and potassium of the special fertilizer in the soil for crops can be enhanced and the formula balanced fertilizing is achieved.
Description
Technical field
The present invention relates to chemical fertilizer field, specifically a kind of compound controlled release spring maize special fertilizer and production method thereof.
Background technology
Release/controlled release dedicated fertilizer is by adopting nitrogen to be granular urea in common special fertilizer, peptide urea, a kind of fertilizer that can slow down or control nitrogen nutrient releasing speed in soil that sulfur-coated urea and controlled release long-acting agent compounding techniques are produced, its advantage is that the utilization ratio of nutrient is high, comparatively to compare effect of increasing production obvious for common fertilizer, the amount of application of fertilizer is few, extensively promoted the use of, but, seldom have in prior art according in crop growth period to the compound controlled release special fertilizer of many technical combinations of nutritional needs, only monotechnics release/controlled release are fertile, because price height is also only for ornamental plants such as flower plants and nursery stocks, still not for common field crop, especially for the control release composite fertilizer special in corn growing season, nutritional needs feature being carried out to nutrients release.
Summary of the invention
The object of the invention is to provide a kind of compound controlled release spring maize special fertilizer and production method thereof.
For achieving the above object, the technical solution used in the present invention is:
A kind of compound controlled release spring maize special fertilizer, compound controlled release spring maize special fertilizer is made up of nitrogenous fertilizer, phosphate fertilizer, potash fertilizer and controlled release long-acting agent, count by weight, 300-500 part nitrogenous fertilizer, 100-170 part phosphate fertilizer, 120-235 part potash fertilizer and the agent of 3-15 number controlled release long-acting.
Describedly count by weight, nitrogenous fertilizer is the peptide urea of 100-240 number, 100-150 number sulfur-coated urea and 100-300 number granular urea; Described phosphate fertilizer is diammonium phosphate; Described potash fertilizer is Repone K.
The preparation method of compound controlled release spring maize special fertilizer, counts by weight, and 300-500 part nitrogenous fertilizer, 100-170 part phosphate fertilizer, 120-235 part potash fertilizer and the agent of 3-15 number controlled release long-acting mix, and namely obtain compound controlled release spring maize special fertilizer after mixing.
Describedly count by weight, nitrogenous fertilizer is the peptide urea of 100-240 number, 100-150 number sulfur-coated urea and 100-300 number granular urea; Described phosphate fertilizer is diammonium phosphate; Described potash fertilizer is Repone K.Described compound controlled release spring maize special fertilizer is executed as base and is once applied, and sowing amount is 30-50 kg/acre.
The advantage that the present invention has: the effect of the nutrient supply amount of special fertilizer of the present invention, intensity, time and plant growth demand synchronised, stable private fertilizer is in the special ratio of Nitrogen In Soils phosphorus potassium three elements crop, and multiple controlled-release technology achieves special fertilizer balance fertilizing.Simultaneously, corn special controlled-release composite fertilizer is made by specific proportioning owing to have employed the relatively low raw material of price, ensure in corn growing season the demand intensity of nitrogen and supply, guarantee that nitrogen nutrition release and phosphorus potassium supply ratio relatively stable, reach corn growth in earlier stage not take off few, mid-term, ripening stage process is moderate, reach straw staygreen, improve utilization rate of fertilizer, comparatively adopt the Controlled Release Fertilizer of other release/controlled release technology to considerably reduce production cost, facilitate the further genralrlization application of this technology; In the present invention, the release of nitrogen rate of decomposition technology effective controlled release nitrogen in early stage is controlled owing to have employed compound, Spring-maize Growth corn seeding is mainly derived from nutrition in seed to jointing stage nitrogen requirement, during this, nitrogen requirement only accounts for total nitrogen requirement 3-5%, now the soil moisture is relatively low, and nitrogen transformation is in lower level substantially.When corn growth enters typhon mouth phase to the filling stage, there are two peak periods in corn growth demand nutrient, and this phase demand nutrient is the 75-84% that maximum phase nitrogen requirement accounts for whole breeding time, at this moment supplies the output that nutrient levels determines corn.Compound controlled release special fertilizer of the present invention can be supplied to enough amount of nutrients and intensity needed for corn in the bimodal peak period of nutrition when Spring-maize Growth, namely nitrogen functional realiey fertilizer releasing period is regulated and controled in compound controlled release special fertilizer overlapping with Spring-maize Growth specific nutrition in the period bimodal phase, and then make spring maize better absorb nutrient, extend fertilizer efficiency to exempt to topdress: extend fertilizer efficiency period 110 days ~ 120 days, the time of infertility exempts to topdress with a fertile bottom application.Fertilizer synergistic joint is fertile: improve utilization rate of nitrogen fertilizer 11% ~ 19%, improves composite fertilizer's nutrient comprehensive utilization ratio 17% ~ 25%, saves fertilizer amount 10% ~ 20%.Improve plant growth characteristic: extend the chlorophyll life-span, strengthen photosynthesis, promote root growth, strengthen anti-stressful environmental ability.
Embodiment
Embodiment 1
Compound controlled release spring maize special fertilizer, counts the peptide urea of 100 parts, 160 parts of sulfur-coated ureas, 230 parts of granular ureas, 230 parts of Repone K, 150 parts of diammonium phosphate and 10 parts of controlled release long-acting agent by weight.Wherein controlled release long-acting agent is purchased from Shenyang Zhong Ke green agriculture Development Co., Ltd, trade name: the agent of SFT controlled release long-acting; Peptide urea, sulfur-coated urea and granular urea are commercial products.
Compound controlled release spring maize special fertilizer preparation method: count by weight, the peptide urea of 100 parts, 160 parts of sulfur-coated ureas, 230 parts of granular ureas, 230 parts of Repone K, 150 parts of diammonium phosphate and 10 parts of controlled release long-acting agent are mixed, after mixing, namely obtains compound controlled release spring maize special fertilizer.
Using method: executed as base by above-mentioned compound controlled release spring maize special fertilizer and once apply, sowing amount is 30-50 kg/acre.Described spring maize (spring maize) refers to the corn sowed spring.Because of morning in sowing time, north of China peasant is referred to as again early corn.Comparatively wide in China's plantation region, be mainly distributed in northeast, northwest and the north area of North China, also there is distribution southwestern Hills.
Embodiment 2
Compound controlled release spring maize special fertilizer, counts the peptide urea of 240 numbers, 100 number sulfur-coated ureas, 160 number granular ureas, 210 number Repone K, 170 number diammonium phosphate and 10 number controlled release long-acting agent by weight.Wherein controlled release long-acting agent is purchased from Shenyang Zhong Ke green agriculture Development Co., Ltd, trade name: the agent of SFT controlled release long-acting.
Compound controlled release spring maize special fertilizer, count the peptide urea of 240 numbers, 100 number sulfur-coated ureas, 160 number granular ureas, 210 number Repone K, 170 number diammonium phosphate and 10 number controlled release long-acting agent by weight to mix, after mixing, namely obtain compound controlled release spring maize special fertilizer.
Application examples
Use Dongxing village, Shuangcheng City Dong Guan town, Heilongjiang Province, ground (full N0.054%, full P0.054%, full K3.3775%, available N 89.3%mg/kg, available P 31.0mg/kg, active potassic 118.2mg/kg, pH5.6, organic 2.72%).
Be that above-described embodiment prepares gained compound controlled release spring maize special fertilizer for examination fertilizer, sowing amount is 40kg/ mu, base manure, disposablely applies.
Contrast fertilizer: local fertile 45%(15 ~ 15 ~ 15 of custom) huge grand board, 30 kilograms, base manure adds 5 kg of phosphoric acid two ammoniums/every mu, and topdress 7.5kg/ mu.Application effect is see table 1
Experimental cultivar: Zheng Dan 958
Table 1 jointing stage, soil fertility quality was on the impact of corn growth stage
The typhon mouth phase, compound controlled release spring maize special fertilizer process of the present invention successful compared with control treatment, because control treatment imposes urea, its biomass comparatively exempts from increase by 31.4% of topdressing, and plant height increases 12.7cm, in table 2.
The table 2 typhon mouth phase, soil fertility quality was on the impact of corn growth stage
Filling stage, process upgrowth situation of exempting to topdress has had and has improved largely, and its plant height, fresh weight, dry weight all comparatively conventional processing have had raising, increase 38.7cm, 8.3%, 26.2% respectively, in table 3.
Table 3 filling stage, soil fertility quality was on the impact of corn growth stage
Special fertilizer of the present invention is very good in the ripening stage effect of corn, the plant height of corn and fresh, dry weight all higher than control treatment, in table 4.Special fertilizer of the present invention can improve the output of corn simultaneously, increases spike length, 100-grain weight etc., increases production 5.5% simultaneously, but do not reach conspicuous level statistically, see table 5.
Table 4 ripening stage, soil fertility quality was on the impact of corn growth stage
The process of table 5 different fertilizer is on the impact of corn yield and Components
| Process | Spike length (cm) | Bald sharp length (cm) | Line number | 100-grain weight (g) | Per mu yield (kg) |
| CK | 18.2 | 1.4 | 15.8 | 33.1 | 714.2 |
| Exempt to topdress | 19.4 | 1.4 | 15.7 | 33.6 | 753.7 |
Claims (4)
1. a compound controlled release spring maize special fertilizer, it is characterized in that: compound controlled release spring maize special fertilizer is made up of nitrogenous fertilizer, phosphate fertilizer, potash fertilizer and controlled release long-acting agent, count by weight, 300-500 part nitrogenous fertilizer, 100-170 part phosphate fertilizer, 120-235 part potash fertilizer and the agent of 3-15 number controlled release long-acting;
Describedly count by weight, nitrogenous fertilizer is the peptide urea of 100-240 number, 100-150 number sulfur-coated urea and 100-300 number granular urea; Described phosphate fertilizer is diammonium phosphate; Described potash fertilizer is Repone K;
Described controlled release long-acting agent is the agent of SFT controlled release long-acting.
2. the preparation method of a compound controlled release spring maize special fertilizer according to claim 1, it is characterized in that: count by weight, 300-500 part nitrogenous fertilizer, 100-170 part phosphate fertilizer, 120-235 part potash fertilizer and the agent of 3-15 number controlled release long-acting mix, and namely obtain compound controlled release spring maize special fertilizer after mixing.
3. the preparation method of compound controlled release spring maize special fertilizer according to claim 2, is characterized in that: describedly count by weight, and nitrogenous fertilizer is the peptide urea of 100-240 number, 100-150 number sulfur-coated urea and 100-300 number granular urea; Described phosphate fertilizer is diammonium phosphate; Described potash fertilizer is Repone K.
4. the preparation method of compound controlled release spring maize special fertilizer according to claim 2, is characterized in that: described compound controlled release spring maize special fertilizer is executed as base and once applied, and sowing amount is 30-50 kg/acre.
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| CN103539509B true CN103539509B (en) | 2015-06-10 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103936477A (en) * | 2014-03-07 | 2014-07-23 | 刘业成 | Special corn efficient fertilizer and preparation method thereof |
| CN103980069B (en) * | 2014-05-29 | 2015-11-11 | 海洋石油富岛有限公司 | A kind of Fructus Artocarpi Heterophylli special formula fertilizer |
| CN104355910A (en) * | 2014-11-25 | 2015-02-18 | 刘健 | Compound corn fertilizer |
| CN104478573A (en) * | 2014-11-30 | 2015-04-01 | 杨秋慧 | Efficient fertilizer for planting Chinese yams |
| CN105210673A (en) * | 2015-09-30 | 2016-01-06 | 黑龙江省农业科学院 | The method of northeast woods shadow milpa Stropharia rugoso-annulata |
| CN105237197A (en) * | 2015-10-12 | 2016-01-13 | 平顶山市玉龙山生态农业科技发展有限公司 | Corn special controlled-release fertilizer and preparation method thereof |
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