CN215099269U - Fertilizer controlled release bag - Google Patents
Fertilizer controlled release bag Download PDFInfo
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- CN215099269U CN215099269U CN202121318802.9U CN202121318802U CN215099269U CN 215099269 U CN215099269 U CN 215099269U CN 202121318802 U CN202121318802 U CN 202121318802U CN 215099269 U CN215099269 U CN 215099269U
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Abstract
The utility model provides a fertilizer controlled-release bag, which comprises a sealed mesh bag, a sealed permeable non-woven fabric bag packaged in the sealed mesh bag, and particles packaged in the sealed permeable non-woven fabric bag; the particles comprise biomass char particles. The utility model discloses regard as fertilizer slowly-releasing matrix with the biomass charcoal granule to the nonwoven sack that permeates water is controlled release material, regard as the leak protection diolame with the controlled release bag in the sealing formula pocket, when using, makes the abundant nutrient substance that adsorbs of biomass charcoal granule, buries after the absorption is accomplished in the soil that the biomass charcoal granule can slowly release nutrient substance, thereby realizes long-term slowly-releasing. The embodiment result shows that the fertilizer controlled-release bag provided by the utility model is adopted to adsorb the compound fertilizer solution, and after the fertilizer controlled-release bag is buried for 60 days in the severe saline-alkali soil pot experiment, the total content of N, P, K in the controlled-release bag still contains 24 percent.
Description
Technical Field
The utility model relates to an agricultural fertilizer accuse executes technical field, especially relates to a fertilizer accuse release bag.
Background
Agricultural non-point source pollution caused by excessive use of chemical fertilizers and soil acidification hardening, underground water pollution, water eutrophication and other problems derived from the agricultural non-point source pollution seriously threaten the safety of agricultural ecosystems and human health. The soil testing formula fertilization or the more advanced accurate fertilization based on the real-time soil-plant monitoring is one of the effective measures for relieving the agricultural non-point source pollution from the source by performing point-hitting type slow release and controlled release on specific nutrient elements according to the growth state and the development requirement of crops.
At present, the controlled-release and slow-release technologies which are actually applied mainly comprise two types, one type is coated controlled-release, a layer of inorganic or organic polymer film with low water solubility or slightly solubility is coated on the surface layer of the granulated fertilizer to prolong the nutrient release time and achieve the effect of slow-release and controlled-release, for example, urea coated by organic polymer and urea coated by calcium magnesium phosphate fertilizer, and the like, the controlled-release and slow-release fertilizer has higher production cost which is 2-6 times higher than that of the common fertilizer, and the controlled-release performance is greatly influenced by the physical and chemical environment of soil, so that the controlled-release and slow-release fertilizer is difficult to popularize and use in a large area. The other type is bag fertilizer control, generally, micropores are punched on a kraft paper bag filled with the fertilizer to realize controlled release and slow release effects, and the controlled release performance is influenced by the size of the micropores, so that the fertilizer is easily released too fast under the action of external force, and the slow release time is short.
Therefore, it is necessary to provide a fertilizer controlled-release bag to reduce the release rate and achieve long-lasting sustained release.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a fertilizer accuse release bag, the utility model provides a fertilizer accuse release bag can realize accurate fertilization, and can long-term slowly-releasing.
In order to achieve the above object, the present invention provides the following technical solutions:
the utility model provides a fertilizer controlled-release bag, which comprises a sealed mesh bag, a sealed permeable non-woven fabric bag packaged in the sealed mesh bag, and particles packaged in the sealed permeable non-woven fabric bag;
the particles comprise biomass char particles.
Preferably, the biomass charcoal particles comprise at least one of straw biomass charcoal, forest waste biomass charcoal and shell biomass charcoal.
Preferably, the particle size of the biomass charcoal particles is 2-10 mm.
Preferably, the particles further comprise desulfurized gypsum particles.
Preferably, the particle size of the desulfurized gypsum particles is 2-10 mm.
Preferably, the thickness of the sealing type water-permeable non-woven cloth bag is 0.5-3 mm; the volume of the sealing type water-permeable non-woven cloth bag is 400-800 mL.
Preferably, the shape of the sealing type water-permeable non-woven fabric bag is rectangular or circular.
Preferably, the sealing mesh bag is a fine-pore nylon mesh bag; the aperture of the fine-hole nylon mesh bag is 20-100 meshes; the thickness of the sealing mesh bag is 0.2-1 mm; the volume of the seal type mesh bag is 600-1000 mL.
Preferably, the seal of the seal type mesh bag is a drawing seal.
Preferably, the material of the drawn line is nylon, polyester fiber or polypropylene.
The utility model provides a fertilizer controlled-release bag, which comprises a sealed mesh bag, a sealed permeable non-woven fabric bag packaged in the sealed mesh bag, and particles packaged in the sealed permeable non-woven fabric bag; the particles comprise biomass char particles. The utility model discloses regard as fertilizer slowly-releasing matrix with the biomass charcoal granule to the nonwoven sack that permeates water is controlled release material, regard as the leak protection diolame with the controlled release bag in the nutrient solution that is rich in the required nutrient element of plant when using, make the biomass charcoal granule fully adsorb nutrient substance, bury the biochar granule can slowly-release nutrient substance in soil after the absorption is accomplished, thereby realize long-term slowly-releasing. The results of the embodiment show that the fertilizer controlled-release bag provided by the utility model is adopted to adsorb the compound fertilizer solution, and after the fertilizer controlled-release bag is buried for 60 days in the severe saline-alkali soil pot experiment, the total content of N, P, K in the controlled-release bag still contains 24%.
Drawings
FIG. 1 is a schematic structural view of a fertilizer controlled-release bag provided by the present invention;
in the figure, 1 is biomass charcoal particles, 2 is desulfurized gypsum particles, 3 is a sealed permeable non-woven cloth bag, 4 is a sealed mesh bag, 5 is a seal of the sealed permeable non-woven cloth bag, and 6 is a seal of the sealed mesh bag 5.
Detailed Description
The utility model provides a fertilizer controlled-release bag, which comprises a sealed mesh bag, a sealed permeable non-woven fabric bag packaged in the sealed mesh bag, and particles packaged in the sealed permeable non-woven fabric bag;
the particles comprise biomass char particles.
As shown in figure 1, the fertilizer controlled-release bag provided by the utility model comprises a sealing mesh bag 4. The utility model discloses regard as the leak protection diolame with sealed pocket, can prevent that the accuse bag from breaking.
In one embodiment of the present invention, the sealing-type mesh bag 4 is a fine-pore nylon mesh bag; the aperture of the fine-pore nylon mesh bag is preferably 20-100 meshes, and more preferably 30-80 meshes.
In an embodiment of the present invention, the thickness of the sealing mesh bag is preferably 0.2-1 mm, and more preferably 0.3-0.8 mm.
In an embodiment of the present invention, the volume of the sealed mesh bag 4 is preferably 600-1000 mL, and more preferably 800-900 mL.
In one embodiment of the present invention, as shown in fig. 1, the seal 6 of the sealed mesh bag 4 is a pull-string seal.
In an embodiment of the present invention, the material of the drawing thread is preferably nylon, polyester fiber or polypropylene. The utility model discloses do not have special restriction to the source of drawing line material, adopt the commercial product that technical personnel in the field are familiar with.
As shown in fig. 1, the fertilizer controlled-release bag provided by the utility model further comprises a sealed permeable nonwoven cloth bag 3 packaged in the sealed mesh bag. The utility model discloses it is right the source of the non-woven sack that permeates water of enclosed type does not have special injecing, adopt the non-woven sack that permeates water that technical personnel in the field are familiar with can. The utility model uses the sealed permeable non-woven cloth bag as a controlled release material to realize long-acting slow release.
In an embodiment of the present invention, the thickness of the sealed water-permeable nonwoven fabric bag 3 is preferably 0.5 to 3mm, and more preferably 1 to 2 mm; the capacity of the sealing type water-permeable non-woven fabric bag 3 is preferably 400-800 mL, and more preferably 500-600 mL.
In one embodiment of the present invention, the shape of the sealed water-permeable nonwoven fabric bag 3 is rectangular or circular.
In one embodiment of the present invention, the seal 5 of the sealed permeable nonwoven fabric bag is preferably sealed by sewing, hot pressing or thread drawing. The utility model has no special limitation to the sewing, hot pressing and thread drawing operations, and the operation known by the technicians in the field can be adopted. The utility model discloses it is right the material of drawing line does not have special restriction, adopt the drawing line that technical personnel in the field are familiar with can.
As shown in fig. 1, the fertilizer controlled-release bag provided by the utility model further comprises particles packaged in the sealed water-permeable non-woven cloth bag 3. In the present invention, the particles comprise biomass charcoal particles 1. The utility model discloses regard as fertilizer slowly-releasing matrix with living beings charcoal granule, utilize its abundant hole and huge specific surface area, can adsorb a large amount of storage crop growth required nutrient elements that develop, can realize long-term slowly-releasing after getting into soil, effectively improve fertilizer utilization efficiency.
In one embodiment of the present invention, the biomass charcoal particles preferably include at least one of straw biomass charcoal, forest waste biomass charcoal, and shell biomass charcoal; the particle size of the biomass charcoal particles is preferably 2-10 mm, and more preferably 6-8 mm. The source of the biomass charcoal particles is not particularly limited by the present invention, and commercially available products known to those skilled in the art can be used.
In one embodiment of the invention, as shown in fig. 1, the particles further comprise desulfurized gypsum particles 2. The utility model discloses a desulfurization gypsum granule can carry out the acidification to soil environment and adjust, and calcium ion can effectively replace the salt ion of adsorption state simultaneously to adsorbed by biomass charcoal, played the efficiency of improvement soil physicochemical property.
In an embodiment of the present invention, the particle size of the desulfurized gypsum particles is preferably 2 to 10mm, and more preferably 5 to 8 mm. The source of the desulfurized gypsum particles of the present invention is not particularly limited, and commercially available products known to those skilled in the art can be used.
In an embodiment of the present invention, the mass ratio of the biomass charcoal particles 1 to the desulfurized gypsum particles 2 is preferably (4-5): 1.
the utility model discloses regard as fertilizer slowly-releasing matrix with the living beings charcoal granule to the nonwoven sack that permeates water is controlled release material, regard as the leak protection diolame with the controlled release bag in the nutrient solution that is rich in the required nutrient element of plant when using, make the abundant nutrient substance in the adsorption solution of living beings charcoal granule, bury the living beings charcoal granule can slowly-release nutrient substance in the soil after the absorption is accomplished, thereby realize long-term slowly-releasing.
The fertilizer control application bag provided by the utility model can be applied to various planting occasions, and can be made into a single bag and a connected bag according to different types and characteristics of crops; the fertilizer can be applied to fields and household gardening, is low in price and has wide market value.
The utility model provides a fertilizer accuse release bag not only can realize the accurate fertilization of point cave formula according to soil fertility condition and crop growth development stage in agricultural production, can also realize the recovery and the cycle recycle of living beings charcoal granule, full play living beings charcoal adsorption slow release and stable in structure's characteristics, solved that current slowly-releasing controlled release technology is complicated, the controlled release effect is poor, the unable recovery of controlled release material and cyclic utilization's problem.
Will the utility model provides a controlled release bag is directly buried in near crop root system soil, can play the effect that the slowly-releasing supplied fertilizer because of the slow-release effect of living beings charcoal, regularly will control the bag and take out from soil, need not to wash, can immerse specific nutrient solution once more after 30 ~ 60min sunning and adsorb again, buries the original position once more afterwards, has not only reduced the farmland work load, has still realized the cyclic utilization of control the bag. The utility model provides a purpose of controlled release bag sunning is promoting the quick absorption of nutrient element.
The utility model provides a controlled release bag mainly uses the object for dry farming arable land crop, to the area of easily being arid, can regularly increase moisture in root zone part during the use, promotes nutrient element's release and the migration and the absorption in soil.
The utility model provides a controlled release bag reuse many times, and life can decide whether to change according to the broken degree of living beings charcoal granule.
The technical solution of the present invention will be clearly and completely described below with reference to the embodiments of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
The fertilizer controlled-release bag comprises a sealed mesh bag, a sealed water-permeable non-woven fabric bag packaged in the sealed mesh bag, and particles packaged in the sealed water-permeable non-woven fabric bag;
the particles comprise biomass char particles.
Example 2
The structure of the fertilizer controlled release bag of the embodiment is schematically shown in fig. 1, in which 1 is biomass charcoal particles, 2 is desulfurized gypsum particles, 3 is a sealed water-permeable nonwoven cloth bag, 4 is a sealed mesh bag, 5 is a seal of the sealed water-permeable nonwoven cloth bag, and 6 is a seal of the sealed mesh bag 5;
the fertilizer controlled-release bag comprises a sealed mesh bag 4, a sealed water-permeable non-woven bag 3 packaged in the sealed mesh bag 4, and particles packaged in the sealed water-permeable non-woven bag 3;
the particles comprise biomass charcoal particles 1 and desulfurized gypsum particles 2;
the biomass charcoal particles 1 are straw biomass charcoal, and the particle size is 6 mm;
the particle size of the desulfurized gypsum particles 2 is 5 mm;
the mass ratio of the biomass carbon particles 1 to the desulfurized gypsum particles 2 is preferably 5: 1;
the thickness of the sealing type water-permeable non-woven cloth bag 3 is 2 mm;
the volume of the sealing type water-permeable non-woven cloth bag 3 is 600 mL;
the shape of the sealing type water-permeable non-woven fabric bag 3 is rectangular;
the seal 5 of the seal type water-permeable non-woven fabric bag is sealed in a thread drawing mode;
the sealing mesh bag 4 is a fine-pore nylon mesh bag; the aperture of the fine-hole nylon mesh bag is 80 meshes;
the thickness of the sealing mesh bag 4 is 0.8 mm;
the volume of the seal type mesh bag 4 is 800 mL;
the seal 6 of the seal type mesh bag 4 is a drawing seal;
the drawing line is made of nylon.
Application example 1
The fertilizer controlled release bag provided in example 2 was filled with a compound fertilizer (N: P)2O5：K2The mass ratio of O is 15: 15: 15) the dissolution solution (dissolution mass ratio of 1: 100) after 24 hours, the soil is taken out of the solution and buried in a pot experiment bucket with the volume of 60L and filled with severe saline-alkali soil (the salt content is 1.2%), the thickness of the pot experiment soil layer is 50cm, the buried depth of the controlled application bag is 15cm, and the crop is indicated to be potato.
The result shows that after the fertilizer is buried in the severe saline-alkali soil pot experiment for 60 days, the total content of N, P, K in the controlled release bag is still 24%, the biomass of the pot plant is still 77%, and the fertilizer controlled release bag provided by the embodiment 2 can realize long-acting slow release for more than 60 days.
As can be seen from the above embodiments and application examples, the controlled release bag provided by the utility model can realize long-acting slow release.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A fertilizer controlled release bag comprises a sealed mesh bag, a sealed water-permeable non-woven fabric bag packaged in the sealed mesh bag, and particles packaged in the sealed water-permeable non-woven fabric bag;
the particles comprise biomass char particles.
2. The fertilizer controlled release bag of claim 1, wherein the biomass charcoal particles comprise at least one of straw biomass charcoal, forest waste biomass charcoal, and shell biomass charcoal.
3. The fertilizer controlled release bag of claim 1 or 2, wherein the biomass charcoal particles have a particle size of 2-10 mm.
4. The fertilizer controlled release bag of claim 1, wherein the granules further comprise desulfurized gypsum granules.
5. The fertilizer controlled release bag of claim 4, wherein the desulfurized gypsum particles have a particle size of 2 to 10 mm.
6. The fertilizer controlled release bag of claim 1, wherein the thickness of the sealed water-permeable non-woven fabric bag is 0.5 to 3 mm; the volume of the sealing type water-permeable non-woven cloth bag is 400-800 mL.
7. The fertilizer controlled release bag of claim 1 or 6, wherein the shape of the closed water-permeable nonwoven fabric bag is rectangular or circular.
8. The fertilizer controlled release bag of claim 1, wherein the sealed mesh bag is a fine-meshed nylon mesh bag, and the aperture of the fine-meshed nylon mesh bag is 20-100 meshes; the thickness of the sealing mesh bag is 0.2-1 mm; the volume of the seal type mesh bag is 600-1000 mL.
9. The fertilizer controlled release bag of claim 1 or 8, wherein the seal of the closed mesh bag is a drawstring seal.
10. The fertilizer controlled release bag of claim 9, wherein the thread is made of nylon, polyester fiber or polypropylene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121318802.9U CN215099269U (en) | 2021-06-11 | 2021-06-11 | Fertilizer controlled release bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121318802.9U CN215099269U (en) | 2021-06-11 | 2021-06-11 | Fertilizer controlled release bag |
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| Publication Number | Publication Date |
|---|---|
| CN215099269U true CN215099269U (en) | 2021-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121318802.9U Active CN215099269U (en) | 2021-06-11 | 2021-06-11 | Fertilizer controlled release bag |
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| CN (1) | CN215099269U (en) |
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2021
- 2021-06-11 CN CN202121318802.9U patent/CN215099269U/en active Active
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