CN204342691U - A kind of modified version bag is by slow-release compound fertilizer - Google Patents

A kind of modified version bag is by slow-release compound fertilizer Download PDF

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Publication number
CN204342691U
CN204342691U CN201320859418.9U CN201320859418U CN204342691U CN 204342691 U CN204342691 U CN 204342691U CN 201320859418 U CN201320859418 U CN 201320859418U CN 204342691 U CN204342691 U CN 204342691U
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China
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layer
fertilizer
coated
slow
described
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CN201320859418.9U
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Chinese (zh)
Inventor
王凌
李廷瑞
贾树龙
张国印
刘孟朝
邸志新
吕志良
孙世友
茹淑华
耿暖
郝桂琴
韩宝文
Original Assignee
河北肥尔得肥料科技开发有限公司
河北省农林科学院农业资源环境研究所
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Priority to CN201320859418.9U priority Critical patent/CN204342691U/en
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Abstract

The utility model discloses a kind of modified version bag by slow-release compound fertilizer, its structure comprises nuclei and coated layer, and described coated layer comprises the soluble layer be directly coated in nuclei, and is coated on the hydrophobic layer outside soluble layer; Described soluble layer adopts azophoska compound layer.The utility model is applicable to that various crop, cost are low, good water solubility, have the effect of omnidistance slowly-releasing.

Description

A kind of modified version bag is by slow-release compound fertilizer

Technical field

The utility model relates to agrochemical technical field, and the bag of the omnidistance slowly-releasing of especially a kind of modified version is by Chemical Mixed Fertilizer.

Background technology

Current slowly/controlled releasing fertilizer application is main at cash crop and golf course, limiting its main restricting factor in agriculturally widespread use is: one be fertile bag fertilizer technology mostly adopt solubleness extremely low inertia phosphate fertilizer as coating agent, impact by Soil Moisture and soil microorganisms is larger, poorly water-soluble, early stage, nutrients release was little, and nutrient supply is not enough; Two is encapsulation tool small scales, costly; Three be current coated fertilizer substantially based on resin, this material enters soil and is difficult to degraded, and degradation cycle 30 one 50 years, uses year after year and pollute to soil; Four are current slowly/controlled releasing fertilizer major parts is all simple substance type, is mainly to carry out coating with nitrogen, and ignores the slowly-releasing of phosphorus potassium; Five is that price and output are difficult to reach compatible.Relevant references comprises:

1; Zhang Fudao, Wang Yujun; The present situation and development trend [J] of China's slowly/controlled releasing fertilizer; Chinese soil and fertilizer, 2008 (4): 1-4;

2; Zhang Fudao, Wang Yujun; The developing direction [J] of slow/controlled release BB Fei Shi China slowly/controlled releasing fertilizer, phosphate fertilizer and compound fertilizer, the 24th volume, the 2nd phase: 8-10 in 2009;

3; Xu Xiucheng, Lee's medicine duckweed, Wang Haobin; Coated slow releasing/controlled release fertilizer specialist paper: the 3rd report, coating (parcel) type controlled release fertilizer various countries progress (Continued) 5; Israel, India, Egypt etc. [J]; Phosphate fertilizer and compound fertilizer, 2002,17 (l): 10-12;

4; Xu Xiucheng, Lee's medicine duckweed, Wang Haobin; Coated slow releasing/controlled release fertilizer specialist paper: the 3rd report, coating (parcel) type controlled release fertilizer various countries progress (Continued) 3; Europe [J]; Phosphate fertilizer and compound fertilizer, 200la, l6 (2): 10 1 12;

5; Xu Xiucheng, Lee's medicine duckweed, Wang Haobin; Coated slow releasing/controlled release fertilizer specialist paper: the 3rd report: coating (parcel) type controlled release fertilizer various countries progress (Continued) 4; China [J]; Phosphate fertilizer and compound fertilizer, 2001,16 (4): 4 one 8;

6; Xu Xiucheng, Wang Haobin, Lee's medicine duckweed; Coated slow releasing/controlled release fertilizer specialist paper: the 3rd report, coating (parcel) type controlled release fertilizer various countries progress 1; The U.S., Canada; 2; Japan [J]; Phosphate fertilizer and compound fertilizer, 2000,15 (6): 7 one 12;

7; Du Changwen, Zhou Jianmin, Wang Huoyan; Advance In Polymer-coated Controlled Release Fertilizers [J]; Yangtze valley resource and environment, 2005, the 14th volume, the 6th phase: 725-730.

Therefore, development has the new direction that the low and slowly/controlled releasing fertilizer that is easily degraded of certain slow release effect, cost is slowly/controlled releasing fertilizer development from now on, set up rational fertilizer detection method fast, to the management of fertilizer industry and the production and sales of enterprise, there is great practical significance (Zhang Fudao, 2008-2009; Xu Xiucheng, Lee's medicine duckweed, 2001-2002; Du Changwen, Zhou Jianmin, 2005).

Utility model content

The technical problems to be solved in the utility model is to provide a kind of modified version bag by slow-release compound fertilizer, is applicable to that various crop, cost are low, good water solubility, has the effect of omnidistance slowly-releasing.

For solving the problems of the technologies described above, technical solution adopted in the utility model is as follows.

A kind of modified version bag is by slow-release compound fertilizer, and its structure comprises nuclei and coated layer, and described coated layer comprises the soluble layer be directly coated in nuclei, and is coated on the hydrophobic layer outside soluble layer; Described soluble layer adopts azophoska compound layer.

As a kind of optimal technical scheme of the present utility model, described azophoska compound layer is the hot melt layer of powder nitrogen and powder phosphorus, powder potassium.

As a kind of optimal technical scheme of the present utility model, described hydrophobic layer is resin layer.

As a kind of optimal technical scheme of the present utility model, described hydrophobic layer is macromolecular amine resin layer.

As a kind of optimal technical scheme of the present utility model, the particle diameter of described nuclei is 1mm-3mm.

As a kind of optimal technical scheme of the present utility model, the particle diameter of described nuclei is 2mm.

As a kind of optimal technical scheme of the present utility model, the thickness of described soluble layer is 1mm-1.5mm.

As a kind of optimal technical scheme of the present utility model, the thickness of described soluble layer is 1.3mm.

As a kind of optimal technical scheme of the present utility model, the thickness of described hydrophobic layer is 0.02mm-0.05mm.

As a kind of optimal technical scheme of the present utility model, the thickness of described hydrophobic layer is 0.03mm.

The beneficial effect adopting technique scheme to produce is:

(1) the existing fertile bag fertilizer technology inertia phosphate fertilizer that mostly solubleness such as fused(calcium magnesium)phosphate, ground phosphate rock, phosphogypsum, thomas phosphate is extremely low is as coating agent, impact by Soil Moisture and soil microorganisms is larger, poorly water-soluble, early stage, nutrients release was little, and nutrient supply is not enough; The powdery phosphorus of solubility, potassium and nitrogen compound are formed solvable integument as coating agent by the utility model, and early stage, Nitrogen releasing was slow, and the intermediary and later stages, urea progressively dissolved conversion along with particle dissolving in soil, and nitrogen nutrition supply is accelerated; This ensures that there the nutrient supply in crop early stage, reaching the supply of early stage existing nutrient, particularly nitrogen, is not again a lot, synchronous with plant growth to ensure; Show on crop to be exactly not prosperous length in early stage, middle and later periods not early ageing.

(2) existing fertile bag fertilizer technology inertia phosphate fertilizer bag complete after does not just do other process, the utility model has then carried out process with hydrophobic coating, applying medicinal powder again and has formed hydrophobic layer, so just slow down dissolution rate after incorporation of fertilizerin the soil, reaches the object of slowly-releasing.

(3) this patent product is N P and K complete manure, can adapt to mechanical abbreviation fertilizer practice, and existing fertile bag fertilizer technology solve only the parcel of nitrogen, could not reach the object of the various nutrients such as compound N P and K.

(4) this patent moderate product price, compares the slow/controlled release fertilizer product that prior art manufactures, and friend peasant is easy to accept; This patent product is suitable for using year after year, lessly causes soil pollution, belongs to the novel fertilizer of environmental friendliness.

Applicant carried out following experimental study:

Field experiment. the utility model is on the impact of crop yield and environment.In order to verify the fertilizer efficiency of this technology, this study group in 2012-2013, the test of different liquid manure combination under having carried out winter wheat-summer maize rotation system apart from the Huang Bi village village, Huang Bizhuan town of Shijiazhuang 25km.

Test process: establish 9 process, is respectively and is (1) accustomed to pouring water W3+N0; Custom pour water W3+ custom execute nitrogen N2; (3) the custom W3+ that pours water accurately executes nitrogen N1; (4) the custom W3+ that pours water accurately executes nitrogen corn and delays controlled release N and control; (5) custom is poured water, and accurately to execute nitrogen wheat/corn special fertilizer N special for W3+; (6) water saving irrigation W2+ custom executes nitrogen N2; (7) water saving irrigation W2+ accurately executes nitrogen N1; (8) water saving irrigation W2+ accurately executes nitrogen corn and delays controlled release N and control; (9) accurately to execute nitrogen wheat/corn special fertilizer N special for water saving irrigation W2+.

Field is arranged: 3 repetitions are established in each process, and random district group arranges.Plot area 50m 2.The protection row of wide 1 meter is left to observe between district's group.

Term Fertilization: nitrogenous fertilizer is respectively urea (N46%), slow control fertile (N38%), fertilizer specially for wheat (i.e. the art of this patent product).Phosphorus and potash fertilizer are respectively calcium superphosphate (P 2o 515.8%), Repone K (K 2o58%), corn delays controlled release 30%:4%:6%, corn fertilizer (i.e. the art of this patent product).

Result referring to accompanying drawing 2,3, as can be seen from Fig. 2-3, wheat season output be greater than 5800kg/hm 2first three groups liquid manure combination be N speciallyw 2>N 2w 3=N controlw 2; Corn season, output was greater than 8000kg/hm 2first three groups liquid manure combination be N speciallyw 2>N 2w 3>N controlw 2.Meanwhile, the price of the utility model product is minimum, and the known product of the present utility model of comprehensive analysis is optimal selection.

Accompanying drawing explanation

Fig. 1 is the structural representation of the utility model embodiment.

Fig. 2 is the season output of the lower wheat of different liquid manure combination.

Fig. 3 is the season output of the lower corn of different liquid manure combination.

In figure: 1, nuclei; 2, soluble layer; 3, hydrophobic layer.

Embodiment

Referring to accompanying drawing, the structure of the utility model specific embodiment comprises nuclei 1 and coated layer, and coated layer comprises the soluble layer 2 be directly coated in nuclei 1, and is coated on the hydrophobic layer 3 outside soluble layer 2.Soluble layer 2 adopts azophoska compound layer, and this azophoska compound layer is powder nitrogen (as urea) and the hot melt layer of powder phosphorus element (as phosphorus powder), powder potassium element (as Repone K); Hydrophobic layer 3 is macromolecular amine resin layer, can adopt hydrophobic type coating, applying medicinal powder etc.Wherein, the particle diameter of nuclei 1 is 2mm, and the thickness of soluble layer 2 is 1.3mm, and the thickness of hydrophobic layer 3 is 0.03mm.Above-mentioned particle diameter and thickness are the optimal selections that applicant is obtained by experimental study, soluble layer adopts above-mentioned thickness to coordinate the above-mentioned thickness of hydrophobic layer simultaneously, the omnidistance slowly-releasing of nitrogen can be realized, ensure that the whole life cycle of crop all obtains sufficient and appropriate nutrition supply; Test display, the thickness of soluble layer and hydrophobic layer is selected to depart from above-mentioned numerical value, and time more than irrelevance >=30%, the omnidistance slow release effect of nitrogen obviously reduces.

Foregoing description only proposes, not as the single restricted condition to its technical scheme itself as the enforceable technical scheme of the utility model.

Claims (2)

1. modified version bag is by a slow-release compound fertilizer, is made up of, it is characterized in that nuclei (1) and coated layer thereof: described coated layer is made up of the soluble layer (2) be directly coated in nuclei (1) and the hydrophobic layer (3) be coated on outside soluble layer (2); Described soluble layer (2) adopts azophoska compound layer, and described hydrophobic layer (3) is resin layer; The particle diameter of described nuclei (1) is 2mm, and the thickness of described soluble layer (2) is 1.3mm, and the thickness of described hydrophobic layer (3) is 0.03mm.
2. modified version bag according to claim 1 is by slow-release compound fertilizer, it is characterized in that: described hydrophobic layer (3) is macromolecular amine resin layer.
CN201320859418.9U 2013-12-24 2013-12-24 A kind of modified version bag is by slow-release compound fertilizer CN204342691U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104945098A (en) * 2015-06-05 2015-09-30 明光市数智肥业有限公司 Slow-release fertilizer synergist for ensuring later period nutrition feeding of corns and preparation method of slow-release fertilizer synergist
CN104945099A (en) * 2015-06-05 2015-09-30 明光市数智肥业有限公司 Controlled release fertilizer synergist for improving soil fertility for corn and preparation method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104945098A (en) * 2015-06-05 2015-09-30 明光市数智肥业有限公司 Slow-release fertilizer synergist for ensuring later period nutrition feeding of corns and preparation method of slow-release fertilizer synergist
CN104945099A (en) * 2015-06-05 2015-09-30 明光市数智肥业有限公司 Controlled release fertilizer synergist for improving soil fertility for corn and preparation method thereof

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C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150520

Termination date: 20181224

CF01 Termination of patent right due to non-payment of annual fee