CN104086319A - Fertilizer for reducing heavy metal pollution of strawberry as well as preparation method and application method thereof - Google Patents
Fertilizer for reducing heavy metal pollution of strawberry as well as preparation method and application method thereof Download PDFInfo
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- CN104086319A CN104086319A CN201410370964.5A CN201410370964A CN104086319A CN 104086319 A CN104086319 A CN 104086319A CN 201410370964 A CN201410370964 A CN 201410370964A CN 104086319 A CN104086319 A CN 104086319A
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- metal contamination
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
Abstract
The invention discloses a fertilizer for reducing heavy metal pollution of strawberry as well as a preparation method and an application method thereof. Waste raw materials such as animal waste, plant straw, agricultural lime and coal slag are utilized and fermented under appropriate conditions to prepare the fertilizer, and the fertilizer is reasonably applied in different growth periods of strawberry. Compared with the prior art, the fertilizer for reducing the heavy metal pollution of the strawberry has the advantages that multiple wastes polluting the environment are effectively utilized, the structure of soil can be obviously improved and the fertilizer supply ability of the soil is improved, so that yield and quality of the strawberry are improved, and residues of heavy metals such as lead, mercury and chromium in strawberry fruits are reduced; besides, the usage amount of other chemical fertilizers is reduced, environmental pollution caused by organic wastes is reduced, and planting cost is saved.
Description
Technical field
The present invention relates to the formula of farm crop fertilizer, relate in particular to a kind of fertilizer and making and application process that reduces strawberry heavy metal contamination.
Background technology
Along with the expansion of industrial development and mankind's activity scope, the heavy metal pollution problem of soil occurs thereupon, in agriculture production, heavy metal contamination not only makes soil fertility decline, the agricultural product quality that also causes soil cultivation to go out does not meet the requirement of ecological safety, harm humans health, has very large harm consciousness.
Strawberry is a kind of fruit being loved by the people, and the cultivation cycle is short, and early, market price is high, has obtained swift and violent development in recent years in China for result, has become the Important Economic crop of various places developing rural economy, promotion increasing peasant income.But at present because a lot of Soils In The Regions are subject to the seriously polluted of heavy metal, indirectly cause in strawberry fruit heavy metal residual volume higher, do not met the relevant limit regulation in nuisanceless, green and organic food standards, limited the development of Strawberry industry.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the present invention proposes a kind of fertilizer and making and application process of the reduction strawberry heavy metal contamination that can reduce heavy-metal residual in strawberry fruit by the biological method of waste, ensure food safety.
Technical scheme: in order to solve the problems of the technologies described above, the technical solution adopted in the present invention is:
A kind of fertilizer that reduces strawberry heavy metal contamination, comprise following component according to weight: straw 50-100 part, green vegetable waste 30-50 part, animal excrement 20-30 part, river sand 20-40 part, agricultural lime 30-50 part, cinder 10-20 part, ironic hydroxide 10-20 part, bone black 30-40 part, ammonium nitrate 30-40 part, calcium superphosphate 20-30 part, Repone K 20-30 part.
More preferred, described straw is one or more in rice straw, maize straw, soybean stalk.
More preferred, described green vegetable waste is one or more in green vegetables, celery or leaf mustard.
More preferred, the humidity of described river sand is 30%-40%.
The making method of the fertilizer of above-mentioned reduction strawberry heavy metal contamination, comprises the steps:
(1) straw of aequum is cut into 2-4cm length for subsequent use, first at container bottom layer overlay gauze, the stalk that on uniform spreading, thickness is 20-25cm again, the river sand that is 3-6cm in stalk upper berth a layer thickness, the green vegetable waste that uniform spreading a layer thickness is 15-20cm again on river sand, sprinkles the agricultural lime of 3-5cm thickness above; Temperature is maintained to 30-35 DEG C;
(2), after 7-10d, in the matrix of step (1), add animal excrement, agricultural lime, cinder, ironic hydroxide and bone black; Repave the straw that thickness is 15-20cm above, outside tight by film wrapped, ferment, bank up to internal temperature and reach more than 55 DEG C and maintain after 18-25d, take film apart;
(3) in matrix obtained above, add ammonium nitrate, calcium superphosphate and Repone K, evenly mix, turn over even, clears out foreign material wherein, filters, and banking up, it is stand-by to deposit rear as fertilizer sources.
Further, described straw humidity is 40%-45%.
The application process of the fertilizer of above-mentioned reduction strawberry heavy metal contamination, comprises the following steps:
(1) nursery stage: use above-mentioned fertilizer 100-200kg/ mu;
(2) vegetative period: use above-mentioned fertilizer 200-300kg/ mu;
(3) ripening stage: use above-mentioned fertilizer 100-200kg/ mu.
Further, the time of application of fertilizer is after the rain in 3-5d.
Beneficial effect: a kind of fertilizer and making and application process that reduces strawberry heavy metal contamination provided by the invention, utilize animal excrement, straw and agricultural lime, cinder the like waste raw material, make fertilizer at suitable condition bottom fermentation, and carry out using of reasonable amount at strawberry different growing stage, compared with prior art, one aspect of the present invention has effectively been utilized the waste material of multiple contaminate environment, on the other hand soil is had to obvious structural improvement effect and strengthened the effect of its feeder capability, Yield of Strawberry and quality are improved, reduce in strawberry fruit plumbous, mercury, the residual volume of the heavy metals such as chromium, reduce on the other hand the usage quantity of other chemical fertilizer, reduced the harm of organic waste environmental pollution, saved planting cost.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in further detail:
Embodiment 1:
A kind of fertilizer that reduces strawberry heavy metal contamination, comprise following component according to weight: 50 parts of rice straws, 30 parts, leaf mustard waste, 20 parts of animal excrement, 20 parts of river sands, 30 parts of agricultural limes, 10 parts of cinders, 10 parts of ironic hydroxides, 30 parts of bone black, 30 parts, ammonium nitrate, 20 parts of calcium superphosphate, 20 parts, Repone K.
Embodiment 2:
A kind of fertilizer that reduces strawberry heavy metal contamination, comprise following component according to weight: 100 parts of soybean stalks, 50 parts, green vegetables waste, 30 parts of animal excrement, 40 parts of river sands, 50 parts of agricultural limes, 20 parts of cinders, 20 parts of ironic hydroxides, 40 parts of bone black, 40 parts, ammonium nitrate, 30 parts of calcium superphosphate, 30 parts, Repone K.
Embodiment 3:
A kind of fertilizer that reduces strawberry heavy metal contamination, comprise following component according to weight: 75 parts of maize straws, 40 parts, celery waste, 25 parts of animal excrement, 30 parts of river sands, 40 parts of agricultural limes, 15 parts of cinders, 15 parts of ironic hydroxides, 35 parts of bone black, 35 parts, ammonium nitrate, 25 parts of calcium superphosphate, 25 parts, Repone K.
Embodiment 4:
The making method of the fertilizer of above-mentioned reduction strawberry heavy metal contamination, comprises the steps:
(1) straw of aequum is cut into 2-4cm length for subsequent use, first at container bottom layer overlay gauze, the stalk that on uniform spreading, thickness is 20-25cm again, the river sand that is 3-6cm in stalk upper berth a layer thickness, the green vegetable waste that uniform spreading a layer thickness is 15-20cm again on river sand, sprinkles the agricultural lime of 3-5cm thickness above; Temperature is maintained to 30-35 DEG C;
(2), after 7-10d, in the matrix of step (1), add animal excrement, agricultural lime, cinder, ironic hydroxide and bone black; Repave the straw that thickness is 15-20cm above, outside tight by film wrapped, ferment, bank up to internal temperature and reach more than 55 DEG C and maintain after 18-25d, take film apart;
(3) in matrix obtained above, add ammonium nitrate, calcium superphosphate and Repone K, evenly mix, turn over even, clears out foreign material wherein, filters, and banking up, it is stand-by to deposit rear as fertilizer sources.
In August, 2013, choosing two strawberry cultivating lands used at Zhenjiang, Jiangsu Jurong City science service Demonstration Base plants, the fertilizer management of test group uses the fertilizer of made of the present invention to apply fertilizer by following rate of fertilizer application, and control group applies fertilizer according to traditional fertilization method:
(1) nursery stage: use above-mentioned fertilizer 150kg/ mu;
(2) vegetative period: use above-mentioned fertilizer 250kg/ mu;
(3) ripening stage: use above-mentioned fertilizer 150kg/ mu.
The time of application of concrete fertilizer is selected after the rain in 3-5d.
Within 2014, gather, gathering the same day, test group and control group are divided into base respectively plot, 5 regions, gather 20 pieces of ripe strawberry fruits of each plot, after mixing, carry out the detection of composition, use atomic absorption method to carry out the detection of residual quantity of heavy metal, specifically as shown in table 1:
| Detect index | Embodiment 4 | Tradition control group |
| Plumbous (mg/kg) | 0.018 | 0.035 |
| Mercury (mg/kg) | 0.016 | 0.027 |
| Chromium (mg/kg) | 0.013 | 0.016 |
| Inorganic arsenic (mg/kg) | 0.037 | 0.052 |
Table 1 the present invention and the contrast of conventional fertilizers plantation strawberry residual quantity of heavy metal
From upper table, can find out, use a kind of fertilizer and making and application process that reduces strawberry heavy metal contamination of the present invention, compared with prior art, after ripe, in strawberry fruit, the content of heavy metal lead has reduced by 48.6%, mercury content has reduced by 40.7%, chromium content has reduced by 18.8%, inorganic arsenic content has reduced by 28.8%, strawberry fruit mouthfeel and outward appearance are all improved to some extent, every mu of fertilizer cost has reduced 25%-35%, in having met nuisanceless, green and organic food standards also for peasant has brought very large economic benefit.
Should be understood that, above embodiment is only not used in and limits the scope of the invention for the present invention is described, after having read the present invention, those skilled in the art all fall within the application's claims limited range to the amendment of the various equivalent form of values of the present invention.
Claims (8)
1. one kind is reduced the fertilizer of strawberry heavy metal contamination, it is characterized in that comprising following component according to weight: straw 50-100 part, green vegetable waste 30-50 part, animal excrement 20-30 part, river sand 20-40 part, agricultural lime 30-50 part, cinder 10-20 part, ironic hydroxide 10-20 part, bone black 30-40 part, ammonium nitrate 30-40 part, calcium superphosphate 20-30 part, Repone K 20-30 part.
2. the fertilizer of reduction strawberry according to claim 1 heavy metal contamination, is characterized in that: described straw is one or more in rice straw, maize straw, soybean stalk.
3. the fertilizer of reduction strawberry according to claim 1 heavy metal contamination, is characterized in that: described green vegetable waste is one or more in green vegetables, celery or leaf mustard.
4. the fertilizer of reduction strawberry according to claim 1 heavy metal contamination, is characterized in that: the humidity of described river sand is 30%-40%.
5. a making method for the fertilizer of reduction strawberry as claimed in claim 1 heavy metal contamination, is characterized in that comprising the steps:
(1) straw of aequum is cut into 2-4cm length for subsequent use, first at container bottom layer overlay gauze, the stalk that on uniform spreading, thickness is 20-25cm again, the river sand that is 3-6cm in stalk upper berth a layer thickness, the green vegetable waste that uniform spreading a layer thickness is 15-20cm again on river sand, sprinkles the agricultural lime of 3-5cm thickness above; Temperature is maintained to 30-35 DEG C;
(2), after 7-10d, in the matrix of step (1), add animal excrement, agricultural lime, cinder, ironic hydroxide and bone black; Repave the straw that thickness is 15-20cm above, outside tight by film wrapped, ferment, bank up to internal temperature and reach more than 55 DEG C and maintain after 18-25d, take film apart;
(3) in matrix obtained above, add ammonium nitrate, calcium superphosphate and Repone K, evenly mix, turn over even, clears out foreign material wherein, filters, and banking up, it is stand-by to deposit rear as fertilizer sources.
6. the making method of the fertilizer of reduction strawberry according to claim 6 heavy metal contamination, is characterized in that: described straw humidity is 40%-45%.
7. an application process for the fertilizer of the reduction strawberry heavy metal contamination that claim 5 is made, is characterized in that comprising the following steps:
(1) nursery stage: use above-mentioned fertilizer 100-200kg/ mu;
(2) vegetative period: use above-mentioned fertilizer 200-300kg/ mu;
(3) ripening stage: use above-mentioned fertilizer 100-200kg/ mu.
8. the application process of a kind of fertilizer that reduces strawberry heavy metal contamination according to claim 7, is characterized in that: the time of application of fertilizer is after the rain in 3-5d.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410370964.5A CN104086319A (en) | 2014-07-30 | 2014-07-30 | Fertilizer for reducing heavy metal pollution of strawberry as well as preparation method and application method thereof |
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| CN201410370964.5A CN104086319A (en) | 2014-07-30 | 2014-07-30 | Fertilizer for reducing heavy metal pollution of strawberry as well as preparation method and application method thereof |
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| CN104086319A true CN104086319A (en) | 2014-10-08 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104311307A (en) * | 2014-10-15 | 2015-01-28 | 合肥江氏农业科技有限公司 | Fertilizer specially used for strawberries and capable of increasing fruit setting rates and preparation method thereof |
| CN104370630A (en) * | 2014-10-29 | 2015-02-25 | 季克丰 | Rare-earth-containing modified bamboo fiber coated fertilizer for strawberry and preparation method thereof |
| CN109076918A (en) * | 2018-07-27 | 2018-12-25 | 徐德邡 | Plant strawberry organoclay and preparation method thereof |
| DE102019104190A1 (en) * | 2019-02-19 | 2020-08-20 | TMM Petfood GmbH | Fertilizers and processes for the manufacture of a fertilizer |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103435379A (en) * | 2013-08-13 | 2013-12-11 | 镇江市农业科学技术实业公司 | Manufacturing and applying method for fertilizer capable of reducing heavy metal pollution on strawberries |
| CN103626554A (en) * | 2013-12-05 | 2014-03-12 | 李春娣 | Composition substrate |
-
2014
- 2014-07-30 CN CN201410370964.5A patent/CN104086319A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103435379A (en) * | 2013-08-13 | 2013-12-11 | 镇江市农业科学技术实业公司 | Manufacturing and applying method for fertilizer capable of reducing heavy metal pollution on strawberries |
| CN103626554A (en) * | 2013-12-05 | 2014-03-12 | 李春娣 | Composition substrate |
Non-Patent Citations (1)
| Title |
|---|
| 张颖等: "《土壤污染与防治》", 31 October 2012 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104311307A (en) * | 2014-10-15 | 2015-01-28 | 合肥江氏农业科技有限公司 | Fertilizer specially used for strawberries and capable of increasing fruit setting rates and preparation method thereof |
| CN104370630A (en) * | 2014-10-29 | 2015-02-25 | 季克丰 | Rare-earth-containing modified bamboo fiber coated fertilizer for strawberry and preparation method thereof |
| CN109076918A (en) * | 2018-07-27 | 2018-12-25 | 徐德邡 | Plant strawberry organoclay and preparation method thereof |
| DE102019104190A1 (en) * | 2019-02-19 | 2020-08-20 | TMM Petfood GmbH | Fertilizers and processes for the manufacture of a fertilizer |
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Application publication date: 20141008 |