CN104761342A - Sorghum special-purpose slow release fertilizer containing trace element and preparation method thereof - Google Patents
Sorghum special-purpose slow release fertilizer containing trace element and preparation method thereof Download PDFInfo
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- CN104761342A CN104761342A CN201510123904.8A CN201510123904A CN104761342A CN 104761342 A CN104761342 A CN 104761342A CN 201510123904 A CN201510123904 A CN 201510123904A CN 104761342 A CN104761342 A CN 104761342A
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Abstract
The invention discloses a sorghum special-purpose slow release fertilizer containing trace element, which belongs to the technical field of agricultural fertilizer. The sorghum special-purpose slow release fertilizer is prepared by components of granule urea, monoammonium phosphate, potassium chloride, EDTA chelated zinc, a urease inhibitor, a nitrated inhibitor and bentonite. The sorghum special-purpose slow release fertilizer has the advantages of comprehensive nutrient and reasonable ratio, the added trace elements such as zinc can promote photosynthesis and increase stress resistance; the sorghum special-purpose slow release fertilizer can eliminate soil hardening condition and is capable of loosening soil, the slow release fertilizer nitrogen nutrient is matched with sorghum absorption, and can be taken as a base fertilizer for one time application before sorghum sowing, topdressing is not required, the fertilization flow is simplified, and the sorghum special-purpose slow release fertilizer has the advantages of fertilizer saving and labor saving.
Description
Technical field
The invention belongs to the special Slow/Controlled Release Fertilizers technical field of a kind of farm crop, be specifically related to a kind of Chinese sorghum Special slow release fertilizer.
Background technology
Chinese sorghum, Gramineae, sorghum, annual herb plant, belongs to cash crop.Chinese sorghum has adaptability and stronger anti-adversity ability widely, no matter fertile ground, Plain, or arid hills, barren mountain area, all can plant, in China, cultural area is wider, various places, the north are extensively planted, and wherein northeast and Shanxi area are one of China jowar major production areas.
Needing in a growth cycle of Chinese sorghum to absorb more nutritive substance, is not only nitrogen that common fertilizer provides, phosphorus, potassium, theoretical according to wooden barrel short slab, as lacked other nutrients, just can not grow by normal growth, plant slight of stature, ear uneven, pollination rate is low, has a strong impact on output.
At present, mainly there are following three problems in common slow-release fertilizer concerning Chinese sorghum:
1, common slow release fertilizer is expensive, easily causes agricultural planting cost high;
2, common slow release fertilizer lacks the trace elements such as zinc element, easily causes plant small and weak, impact growth;
3, common slow-release fertilizer nutrient element releasing rule cannot match with Chinese sorghum absorbing rule, easily causes utilization rate of fertilizer low.
Summary of the invention
For the deficiencies in the prior art, Chinese sorghum Special slow release fertilizer that the invention provides a kind of rich trace elements and preparation method thereof.
Urea, monoammonium phosphate, Repone K, urease inhibitor, nitrification inhibitor, EDTA chelated zinc etc., according to the regulation of fertilizer requirement of Chinese sorghum, are carried out Precise fusion by the present invention, form the Chinese sorghum Special slow release fertilizer of rich trace elements.It is not the chemical fertilizer that nutrient is single, except the macronutrient such as nitrogenous, phosphorus, potassium, be also rich in the required trace element of the Chinese sorghums such as zinc, and serving the effect regulating soil balanced nutrients, is a kind of new and effective no-pollution full nutrition chelating dedicated fertilizer.The nutrient absorption law of this fertilizer not only nutrient element releasing rule and Chinese sorghum matches, and reduces fertilizer cost, makes peasant be easy to accept.Adopt the single-dose application when Chinese sorghum is sowed of this slow-release fertilizer simultaneously, no longer topdress later, reduce labour cost.
Technical scheme of the present invention is as follows:
The Chinese sorghum Special slow release fertilizer feed composition weight part of rich trace elements of the present invention is as follows:
Small particle urea 550-650 part,
Monoammonium phosphate 100-150 part,
Repone K 50-150 part,
EDTA chelated zinc 5-15 part,
Urease inhibitor 1-5 part,
Nitrification inhibitor 1-5 part,
Wilkinite 150-200 part;
Above-mentioned raw materials is commercially available prod, wherein:
In small particle urea, nitrogen content is 46%, and specification is 46-0-0;
In monoammonium phosphate, nitrogen content is 10%, and phosphorus pentoxide content is 45%, and specification is 10-45-0;
In Repone K, potassium oxide content is 60%, and specification is 0-0-60;
The content related in above raw material is mass percent;
The Chinese sorghum Special slow release fertilizer of rich trace elements of the present invention, all raw materials particle diameter except small particle urea is all less than 1mm.
The Chinese sorghum Special slow release fertilizer of rich trace elements of the present invention, preferred feed composition weight part is as follows further:
Small particle urea 580-630 part,
Monoammonium phosphate 110-140 part,
Repone K 80-100 part,
EDTA chelated zinc 8-10 part,
Urease inhibitor 2-3 part,
Nitrification inhibitor 2-3 part,
Wilkinite 160-180 part.
The Chinese sorghum Special slow release fertilizer of rich trace elements of the present invention, most preferred feed composition weight part is as follows:
Small particle urea 580 parts,
Monoammonium phosphate 140 parts,
100 parts, Repone K,
EDTA chelated zinc 10 parts,
Urease inhibitor 2 parts,
Nitrification inhibitor 2 parts,
Wilkinite 166 parts.
The Chinese sorghum Special slow release fertilizer of rich trace elements of the present invention adopts Tower-type melt granulation explained hereafter, comprises following preparation process:
1) accurate-metering small particle urea, monoammonium phosphate, Repone K, EDTA chelated zinc, urease inhibitor, nitrification inhibitor, wilkinite;
2) the suspended solid mixed slurry of the eutectic of good fluidity is formed after utilizing urea melting liquid to mix with the raw material such as monoammonium phosphate, Repone K, EDTA chelated zinc, urease inhibitor, nitrification inhibitor by strict measurement of filling a prescription;
3) by prilling spry, sprayed into by mixed slurry in prilling tower, make it in the process of gravity landing, carry out heat exchange with the airflow risen, cooling curing forms particle, then through cooling, sieving and metering packing after anti-caking process.
The application of the Chinese sorghum Special slow release fertilizer of rich trace elements of the present invention, is that base manure once applies at Chinese sorghum sowing previous crops, no longer imposes.
The present invention compared with prior art has cheap, that nutrient is comprehensive, utilization rate of fertilizer is high advantage:
1. nutrient is comprehensive, reasonable ratio
The regulation of fertilizer requirement that product grows in strict accordance with Chinese sorghum and Characteristics of Soil Nutrient scientific formula, meet the demand of Chinese sorghum to nutrient, and product Nutrient distribution is balanced, and nitrogenous proportioning is high, and nutrient is comprehensive, reasonable ratio;
2. add the trace elements such as zinc, promote photosynthesis, improve resistance
Chinese sorghum is to one of the most responsive field crop of trace element zinc, and zinc participates in the formation of Chinese sorghum tumor growth element, promotes photosynthesis, improves resistance, when Chinese sorghum lacks zinc, growth hormone content reduces, and cell walls can not extend, growth is suppressed, and blade atrophy, distortion, affect Output of Sorghum.The Chinese sorghum Special slow release fertilizer of rich trace elements with the addition of Chelating state zinc specially, is easy to absorb;
3, soil compaction is eliminated, chessom.This product has good ion exchange and regulates the effect of P in soil H value, improve soil aggregate, reach ventilative, fertilizer conservation, water conservation, insulation, drought resisting, cold-resistant special efficacy, root can be made to expand numerous composite flora in a large number, nitrogenous fertilizer is synthesized from air, and can close by the multiple inorganic elements of soil fixing by huge legendary turtle from soil, for Crop, thus reach the magical effect of regeneration fertilizer.
4. the release of slow-release fertilizer nitrogen nutrient absorbs with Chinese sorghum and matches
According to the study, Chinese sorghum in life absorbed nitrogen have two peaks, and namely jointing and heading are to the Seed formation phase, and these two periods, seedling stage and later stage amount of nitrogen sucking seldom, but can not lack at Chinese sorghum after planting 50-90 days.Urease inhibitor and the collaborative use of nitrification inhibitor, can to nitrogen transformation whole-process control, and fertilizer efficiency period can reach 90-120 days, in case the Chinese sorghum later stage is de-fertile.Disposablely during sowing apply, full vegetative period, without the need to topdressing, simplifies fertilising flow process, economizes fertile, saving of labor;
5. effect of increasing production is good, and utilization rate of fertilizer is high
Effect of increasing production is obvious, thoroughly improves crop quality, and use this product seedling is neat, Miao Zhuan, well developed root system, and disease and pest is few, and cauline leaf is strengthened, and percentage of fertile fruit is high, and output is high, volume increase 10%-20%.
Embodiment
Below in conjunction with embodiment, the present invention is described in further details, but is not limited thereto.
Embodiment 1
The Chinese sorghum Special slow release fertilizer of preparation rich trace elements, nitrogen, Vanadium Pentoxide in FLAKES, potassium oxide content are 26%, 8%, 6% respectively, are mass percent.
Get small particle urea 540kg, monoammonium phosphate 160kg, Repone K 100kg, EDTA chelated zinc 10kg, urease inhibitor 2kg, nitrification inhibitor 2kg, wilkinite 166kg be raw material;
By above-mentioned raw materials accurate-metering, Tower-type melt granulation technique spray granulating is adopted to produce: to utilize urea melting liquid and the monoammonium phosphate by strict measurement of filling a prescription, the suspended solid mixed slurry of the eutectic of good fluidity is formed after the raw material mixing such as Repone K, and pass through prilling spry, mixed slurry is sprayed in prilling tower, make it in the process of gravity landing, carry out heat exchange with the airflow risen, cooling curing forms particle, again through cooling, sieve and metering packing after anti-caking process, namely Nutrient distribution is obtained uniformly with the Chinese sorghum Special slow release fertilizer of the rich trace elements of Pinhole-shaped.
Embodiment 2
The Chinese sorghum Special slow release fertilizer of preparation rich trace elements, nitrogen, Vanadium Pentoxide in FLAKES, potassium oxide content are 30%, 5%, 5% respectively, are mass percent;
Get small particle urea 630kg, monoammonium phosphate 110kg, Repone K 85kg, EDTA chelated zinc 10kg, urease inhibitor 2kg, nitrification inhibitor 2kg, wilkinite 161kg;
By above-mentioned raw materials accurate-metering, preparation technology is with embodiment 1.
Comparative example: common Chemical Mixed Fertilizer (model 20-15-15, Stanley Fertilizer Co., Ltd produces)+common urea (nitrogen content is 46%, and Stanley Fertilizer Co., Ltd produces).
The effect of above embodiment 1,2 and comparative example is as follows:
Experimental cultivar is assorted No. 8 of Shen.Test is located at stone river village, Yushan town, Linshu County, and soil type is brown earth, and the nutrient situation of soil is in table 1;
Table 1 soil nutrient information slip
In comparative example, Fertilizer application divides base manure and use of topdressing by peasant habit, specific practice is, in comparative example, the fertilizer amount of the common Chemical Mixed Fertilizer of per hectare 600kg and 300kg urea pressed by fertilizer, common Chemical Mixed Fertilizer is ditched and is spread fertilizer over the fields before Chinese sorghum sowing, then along ditch sowing, urea imposes on soil surface when 10-15 centimetre.
Example 1,2 be Chinese sorghum sowing previous crops be that base manure once applies, need not topdress, each embodiment establishes two fertilizer amounts to test again, and one is identical with reference examples total nutrient amount, another be than reference examples total nutrient amount reduce 20%.The application process of the Chinese sorghum Special slow release fertilizer of all rich trace elements is identical with Chemical Mixed Fertilizer application process common in comparative example.
4 process are established in test, and each processing area 66.7m2, each process repeats 3 times.Chinese sorghum was sowed at the beginning of 4 months, and September in the same year gathers in the crops.Effect is listed by following table 2:
Table 2 fertilizer application effect table
As can be seen from table 2, compared with the common Chemical Mixed Fertilizer using equal nutrient, (specification is respectively 26-8-6 to use the Chinese sorghum Special slow release fertilizer of rich trace elements of the present invention, 30-5-5) sorghum yield increasing rate is respectively up to 18.5% and 19.2%, even if total nutrient amount reduces by 20%, sorghum yield increasing rate also reaches 14.3% and 15.6% respectively, obvious effect of increasing production.Therefore, compared with ordinary compound fertilizer, the obvious effect of increasing production of the Chinese sorghum Special slow release fertilizer of rich trace elements, utilization rate of fertilizer is high, saves labor, and is worthy to be popularized.
Test proves, the Chinese sorghum Special slow release fertilizer nitrogen of rich trace elements of the present invention, phosphorus, potassium nutrition rational proportion, with the addition of especially and allow the trace element such as zinc of Chinese sorghum high yield, high-quality, contribute to activating the various enzymic activitys in crop plant tissue, promote photosynthesis, effectively improve fertilizer absorption rate, saved production cost, remarkable in economical benefits, should vigorously promote the use.
Each component proportion of product of the present invention, can according to the regulation of fertilizer requirement of concrete edaphic condition and crop species and different growing, carry out suitable adjustment, to meet the needs of plant growth, not only accomplish that land used is increased soil fertility combination, and volume increase, efficient, pollution-free, be agricultural sustainable development and produce the new-type fertilizer of green food, the development promoting the ecological agriculture is had great importance.
Claims (4)
1. the Chinese sorghum Special slow release fertilizer of a rich trace elements, it is characterized in that being prepared from by the raw material of following weight part: small particle urea 550-650 part, monoammonium phosphate 100-150 part, Repone K 50-150 part, EDTA chelated zinc 5-15 part, urease inhibitor 1-5 part, nitrification inhibitor 1-5 part, wilkinite 150-200 part;
Above-mentioned raw materials is commercially available prod, wherein:
In described small particle urea, nitrogen content is 46%, and specification is 46-0-0;
In described monoammonium phosphate, nitrogen content is 10%, and phosphorus pentoxide content is 45%, and specification is 10-45-0;
In described Repone K, potassium oxide content is 60%, and specification is 0-0-60;
The content related in above raw material is mass percent;
Above-mentioned raw materials is except small particle urea, and other raw material particle sizes are all less than 1mm.
2. the Chinese sorghum Special slow release fertilizer of rich trace elements as claimed in claim 1, it is characterized in that being prepared from by the raw material of following weight part: small particle urea 580-630 part, monoammonium phosphate 110-140 part, Repone K 80-100 part, EDTA chelated zinc 8-10 part, urease inhibitor 2-3 part, nitrification inhibitor 2-3 part, wilkinite 160-180 part.
3. the Chinese sorghum Special slow release fertilizer of rich trace elements as claimed in claim 1, it is characterized in that being prepared from by the raw material of following weight part: small particle urea 580 parts, monoammonium phosphate 140 parts, 100 parts, Repone K, EDTA chelated zinc 10 parts, urease inhibitor 2 parts, nitrification inhibitor 2 parts, wilkinite 166 parts.
4. the preparation method of the Chinese sorghum Special slow release fertilizer of the rich trace elements as described in as arbitrary in claim 1-3, is characterized in that comprising following preparation process:
1) accurate-metering small particle urea, monoammonium phosphate, Repone K, EDTA chelated zinc, urease inhibitor, nitrification inhibitor, wilkinite;
2) the suspended solid mixed slurry of the eutectic of good fluidity is formed after utilizing urea melting liquid to mix with the raw material such as monoammonium phosphate, Repone K, EDTA chelated zinc, urease inhibitor, nitrification inhibitor by strict measurement of filling a prescription;
3) by prilling spry, sprayed into by mixed slurry in prilling tower, make it in the process of gravity landing, carry out heat exchange with the airflow risen, cooling curing forms particle, then through cooling, sieving and metering packing after anti-caking process.
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Cited By (4)
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| CN105439772A (en) * | 2015-12-23 | 2016-03-30 | 李春燕 | Composite fertilizer with slow release effect for sorghum |
| CN107188669A (en) * | 2017-05-22 | 2017-09-22 | 史丹利农业集团股份有限公司 | A kind of high concentration garlic Special long-acting slow release fertilizer and preparation method thereof |
| CN108794156A (en) * | 2018-06-13 | 2018-11-13 | 隋皓为 | A kind of oil shale production Blending Fertilizer and do blending fertilizer additive |
| CN112500231A (en) * | 2020-12-21 | 2021-03-16 | 中国科学院沈阳应用生态研究所 | Synergistic fertilizer capable of increasing pH of soil micro-domain and preparation method thereof |
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| CN108794156A (en) * | 2018-06-13 | 2018-11-13 | 隋皓为 | A kind of oil shale production Blending Fertilizer and do blending fertilizer additive |
| CN112500231A (en) * | 2020-12-21 | 2021-03-16 | 中国科学院沈阳应用生态研究所 | Synergistic fertilizer capable of increasing pH of soil micro-domain and preparation method thereof |
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Application publication date: 20150708 |