CN103145498A - Slow release fertilizer for spring wheat and preparation method thereof - Google Patents
Slow release fertilizer for spring wheat and preparation method thereof Download PDFInfo
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- CN103145498A CN103145498A CN2013100759544A CN201310075954A CN103145498A CN 103145498 A CN103145498 A CN 103145498A CN 2013100759544 A CN2013100759544 A CN 2013100759544A CN 201310075954 A CN201310075954 A CN 201310075954A CN 103145498 A CN103145498 A CN 103145498A
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- release fertilizer
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Abstract
The invention relates to a slow release fertilizer for spring wheat and a preparation method thereof. The slow release fertilizer is characterized by comprising the components in percentage by weight: 26-32.5% of urea, 25% of common calcium superphosphate, 3% of potassium chloride, 0.5-1% of bicyanamide, 18.5-20.5% of humic acid, and the balance of diatomite or clay. Test shows that after the slow release fertilizer is utilized, the fertilizing method of conventional base fertilizer and topdressing in a certain proportion is thoroughly changed in production of wheat spring. The slow release fertilizer is just used as a disposable base fertilizer in whole growth duration of wheat spring, and any fertilizers are not required along with the growth of spring wheat, so that the fertilizer cost is lowered, the output and quality of spring wheat are relatively improved, and the economical and ecological benefits can be improved.
Description
Technical field
The present invention relates to a kind of spring wheat slow-release fertilizer and preparation method thereof.
Background technology
Spring Wheat in Irrigating Region of Ningxia year, sown area was near 1,000,000 mu, was the larger food crop of cultivated area.In production the habits fertilization amount take purity nitrogen average every mu minimum as 19kg, Vanadium Pentoxide in FLAKES as every mu of 6.2kg, potassium oxide is every mu of 2.4kg.Wherein 60% in nitrogenous fertilizer and phosphorus, potash fertilizer base are executed, 40% nitrogenous fertilizer before spring wheat tillering and the jointing stage impose for 2 times.
Existing fertilizer practice method has following shortcoming: (1) nitrogen, phosphate fertilizer rate of fertilizer application are generally on the high side, and between peasant household, the Fertilization Level difference is also larger, causes the poor stability of yield and quality.(2) utilization rate of fertilizer is on the low side, and the soil nutrient balance imbalance causes edatope and water body environment pollution comparatively serious.(3) peasant household to grasp the fertilizer practice level uneven, this technology is comparatively complicated, the labor force drops into larger, is not suitable with present mechanized and because of the fertilization compositions based on earth technical requirements.
Summary of the invention
One of purpose of the present invention is to provide a kind of spring wheat slow-release fertilizer of suitable Yellow River irrigation spring wheat plantation use, can reduce the fertilising cost;
Two of purpose of the present invention is to provide a kind of preparation method of above-mentioned slow-release fertilizer.
A kind of spring wheat slow-release fertilizer, its special feature is, consists of according to weight percent meter: urea 26-32.5%, normal superphosphate 25%, Repone K 3%, dicyandiamide 0.5-1%, humic acids 18.5-20.5%, surplus is diatomite or clay.
Wherein urea contains N46%, normal superphosphate contains P
2O
512%, Repone K contains K
2O60%.
A kind of preparation method of spring wheat slow-release fertilizer, its special feature is, comprises the steps: urea, normal superphosphate, Repone K, dicyandiamide, humic acids, diatomite or clay are pulverized, and mixes in proportion rear granulation, is finished product after to be dried.
Through probationary certificate, after adopting slow-release fertilizer of the present invention, thoroughly change traditional base manure and the fertilizing method that topdresses by a certain percentage in spring wheat production, use and only be used as disposable base manure in the time of infertility at spring wheat, later on along with Spring Wheat Growth does not need to impose any fertilizer, reduced the fertilising cost, relatively improved spring wheat production and quality, can increase economic efficiency and ecological benefits.
Embodiment
The invention solves the defective that prior art exists, a kind of soil is provided---crop---tuneable fertilizer product between fertilizer is used spring wheat cleaner production slow-release fertilizer and production method thereof convenient and that reduce costs.
The N that is fit to Spring Wheat Growth by field test: P
2O
5: K
2O=6-7.5: 1.5: 1, on this basis quantitative N,P,K fertilizers is pulverized, add appropriate sustained release dosage, tackiness agent and auxiliary material granulation and make spring wheat cleaner production slow-release fertilizer, before spring wheat is sowed in spring in conjunction with wholely according to quantity Base-appling once bury, or else topdress later on.
The main two kinds of effective constituents that comprise of making are respectively 16.8% and 19.8% spring wheat cleaner production slow-release fertilizer.16.8% slow-release fertilizer (slow-release fertilizer 1, the i.e. scheme of embodiment 1) is suitable for Soil available nitrogen content greater than the 60mg/kg farmland, and 19.8% slow-release fertilizer (slow-release fertilizer 2, the i.e. scheme of embodiment 2) is suitable for Soil available nitrogen content less than the 60mg/kg farmland.
The method steps of preparation spring wheat cleaner production slow-release fertilizer is:
Mostly between 40-80mg/kg, in the field test process, take Soil available nitrogen content 60mg/kg as the line of delimitation, be applicable to the proportioning of embodiment 1 greater than the farmland of 60mg/kg according to Yellow River irrigation agricultural land soil available nitrogen content; Be applicable to the proportioning of embodiment 2 less than the 60mg/kg farmland.
Embodiment 1:
Slow-release fertilizer by configuration 100 ㎏; urea 26 ㎏, normal superphosphate 25 ㎏, Repone K 3 ㎏, dicyandiamide 0.5 ㎏, humic acids 20.5 ㎏, diatomite 25 ㎏; after above-mentioned each raw material pulverizing to 40-60 order, mix, with the disc-type granulating machine granulation, be drying to obtain spring wheat cleaner production slow-release fertilizer finished product with roller dryer.
Application process is: evenly spread fertilizer over the fields during in conjunction with whole ground before spring sowing, revolve the field after spreading fertilizer over the fields or harrow a field, also available fertilizer spreader is sown into soil, the mu amount of executing 100kg.This fertilizer belongs to Base-appling once, or else imposes later on any fertilizer.
Embodiment 2:
By the slow-release fertilizer of configuration 100 ㎏, urea 32.5 ㎏, normal superphosphate 25 ㎏, Repone K 3 ㎏, dicyandiamide 1 ㎏, humic acids 18.5 ㎏, diatomite or clay 20 ㎏.After above-mentioned each raw material pulverizing to 40-60 order, mix, granulation is with the disc-type granulating machine granulation, with making spring wheat cleaner production slow-release fertilizer finished product after the roller dryer drying.
Application process is with embodiment 1.
Slow-release fertilizer characteristics of the present invention are the cleaner production fertilizer of developing according to the growth characteristics of Ningxia Yellow-river irrigating region farmland nutrient characteristic and spring wheat, are fit to the plantation of Yellow River irrigation spring wheat and use, and compared with prior art have the following advantages:
1. fertilising is oversimplified, and realizes single fertilization.Prior to seeding in conjunction with whole ground Base-appling once, and directly deep placement buries, and 2 nitrogenous fertilizer exempting in Spring Wheat Growth impose.
2. realize because soil applies fertilizer because of crop formula, can use by soil property and crop nutritional requirement formula, realize the nutritive element quantification, nutrient is comprehensive, reduces loss of nitrogenous fertilizer and and other nutrient enrichment in soil.
3. reducing the fertilising labor force drops into.Base-appling once is in conjunction with site preparation and fertilization, and operation is relatively easy easy and even, and the labor force who removes manuring late from drops into.
4. reduce soil nitrification, reduce loss of nitrogenous fertilizer, improve utilization rate of nitrogen fertilizer.
Utilize spring wheat cleaner production slow-release fertilizer of the present invention, in late Febuary, 2010 is carried out field test in 3 country of team major project " water is special " test bases on the farm, Lingwu, and output and benefit see the following form.
Test-results shows: fertilizer treatment is all than the contrast volume increase, wherein, conventional fertilizer application is than contrast volume increase 46.5%, Wo Fute slow-release fertilizer stimulation ratio is the highest, reaches 61.8%, and slow-release fertilizer 1(of the present invention is embodiment 1), slow-release fertilizer 2(is embodiment 2) increase production respectively 56.4% and 58.6%, stimulation ratio is a little less than the Wo Fute slow-release fertilizer, but the cost of Wo Fute slow-release fertilizer is high, increases income from abridged edition, and the Wo Fute slow-release fertilizer is than 154.9 yuan/mu of conventional fertilizer application losss., spring wheat slow-release fertilizer 1 and spring wheat slow-release fertilizer 2 increase income 40 yuan/mu than conventional fertilizer application---and 94 yuan/mu.
Spring wheat cleaner production slow-release fertilizer compares with conventional and Wo Fute slow-release fertilizer production benefit
Annotate: price in 2011: 2.25 yuan/kg of urea, 0.7 yuan/kg of general calcium, 3.9 yuan/kg of Repone K, 0.32 yuan/kg of humic acids, 30 yuan/kg of Dyhard RU 100,0.5 yuan/kg of fertile process cost, 40 yuan/mu of the labour costs of topdressing, 3.95 yuan/kg of Wo Fute slow-release fertilizer, 1.5 yuan/kg of spring wheat price.
Claims (3)
1. a spring wheat slow-release fertilizer, is characterized in that, consists of according to weight percent meter: urea 26-32.5%, normal superphosphate 25%, Repone K 3%, dicyandiamide 0.5-1%, humic acids 18.5-20.5%, surplus is diatomite or clay.
2. spring wheat slow-release fertilizer as claimed in claim 1, it is characterized in that: wherein urea contains N46%, normal superphosphate contains P
2O
512%, Repone K contains K
2O60%.
3. the preparation method of the spring wheat slow-release fertilizer of a claim 1, it is characterized in that, comprise the steps: urea, normal superphosphate, Repone K, dicyandiamide, humic acids, diatomite or clay are pulverized, mix in proportion rear granulation, be finished product after to be dried.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100759544A CN103145498A (en) | 2013-03-11 | 2013-03-11 | Slow release fertilizer for spring wheat and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100759544A CN103145498A (en) | 2013-03-11 | 2013-03-11 | Slow release fertilizer for spring wheat and preparation method thereof |
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| CN103145498A true CN103145498A (en) | 2013-06-12 |
Family
ID=48543884
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| CN2013100759544A Pending CN103145498A (en) | 2013-03-11 | 2013-03-11 | Slow release fertilizer for spring wheat and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104350854A (en) * | 2014-11-08 | 2015-02-18 | 内蒙古农业大学 | Spring wheat fertilizing method aiming at salinized farmland |
| WO2021168252A1 (en) * | 2020-02-21 | 2021-08-26 | Bps Just Energy Technology, Llc | Biostimulant agricultural compositions with supramolecular structures and methods of use |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1212249A (en) * | 1997-09-19 | 1999-03-31 | 中国科学院沈阳应用生态研究所 | Long-lasting special-purpose compound mixed fertilizer for corn and rice |
| CN101081780A (en) * | 2006-06-02 | 2007-12-05 | 天津市汉沽区福祥肥料加工厂 | Formula for compound fertilizer adapted for wheat |
| CN102491844A (en) * | 2011-12-08 | 2012-06-13 | 宁夏农林科学院 | Paddy rice cleaner production slow release fertilizer and production method thereof |
-
2013
- 2013-03-11 CN CN2013100759544A patent/CN103145498A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1212249A (en) * | 1997-09-19 | 1999-03-31 | 中国科学院沈阳应用生态研究所 | Long-lasting special-purpose compound mixed fertilizer for corn and rice |
| CN101081780A (en) * | 2006-06-02 | 2007-12-05 | 天津市汉沽区福祥肥料加工厂 | Formula for compound fertilizer adapted for wheat |
| CN102491844A (en) * | 2011-12-08 | 2012-06-13 | 宁夏农林科学院 | Paddy rice cleaner production slow release fertilizer and production method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104350854A (en) * | 2014-11-08 | 2015-02-18 | 内蒙古农业大学 | Spring wheat fertilizing method aiming at salinized farmland |
| WO2021168252A1 (en) * | 2020-02-21 | 2021-08-26 | Bps Just Energy Technology, Llc | Biostimulant agricultural compositions with supramolecular structures and methods of use |
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| C12 | Rejection of a patent application after its publication | ||
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Application publication date: 20130612 |