CN104003815A - Leaf surface control agent for vegetables polluted by heavy metal, preparation method thereof and use method thereof - Google Patents
Leaf surface control agent for vegetables polluted by heavy metal, preparation method thereof and use method thereof Download PDFInfo
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- CN104003815A CN104003815A CN201410272115.6A CN201410272115A CN104003815A CN 104003815 A CN104003815 A CN 104003815A CN 201410272115 A CN201410272115 A CN 201410272115A CN 104003815 A CN104003815 A CN 104003815A
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Abstract
The invention provides a leaf surface control agent for vegetables polluted by Cadmium. The leaf surface control agent comprises one or more of 2.5 mmol/L tetraethoxysilane, 2.5 mmol/L sodium silicate, 0.1 wt% to 0.3 wt% monopotassium phosphate, 100 mumol/L to 400 mumol/L zinc sulfate and 100 mumol/L to 200 mumol/L ferric sulfate and further comprises 0.1 wt% to 0.2 wt% glycine, 0.1 wt% to 0.2 wt% alanine and 0.5 wt% EM fungicide. By the adoption of the leaf surface control agent, Cadmium is effectively prevented from being absorbed and transferred to the edible portions of the vegetables, the damage to growth of the vegetables of Cadmium is reduced, the yield of the vegetables is greatly increased, and the quality of the vegetables is greatly improved.
Description
Technical field
The present invention relates to the foliar nutrient of vegetables, particularly control the foliar nutrient of cadmium pollution.
Background technology
Cadmium (Cadmium, Cd) extensively exists at nature, is a kind of heave metals trace elements.In Cd, Hg, As, Cr, Pb five heavy metal species pollutents, Cd is listed in first place, and in the dangerous chemicals of 12 kinds of global meanings of tool that propose in United Nations Environment Programme (UNEP), Cd is listed in first place.Cd in soil is mainly derived from the mankind's activity, and the waste water,waste gas and industrial residue being produced as mining, smelting, plating and basic chemical industry industry, containing using of chemical fertilizer, agricultural chemicals and the agricultural mud of Cd.In the vegetable soil of suburb, vegetables Cd contamination phenomenon all exists in China big and medium-sized cities, and trend is on the rise.China is subject to nearly 2,000 ten thousand hm of cultivated area of the heavy metal contaminations such as Cd at present
2, account for 1/5 of total area under cultivation.The increase of Cd content in soil, has a strong impact on production and the edible safety of farm crop.Vegetables are class crops of easy enrichment Cd.Luo Xiaomei etc. (2003) show the analysis and research of heavy metal element in the edible portion of 152 samples of 9 of In Chengdu kinds of vegetables, in the vegetable sample detecting, the exceeding standard rate of cadmium is that regulation Cadmium in Vegetables the highest Permissible limit standard in 29.4%(standard GB/T l5201-94 is 0.05 mg/kg).Ding Aifang etc. (2003) measure the green vegetables of planting on the scattered vegetable field soil of In The Suburbs of Nanjing, and detected result shows that the variation range of cadmium content in leaf is 0.39 ~ 0.73 mg/kg, and cadmium content all exceedes national food hygienic standard.Cd has become the Main Heavy Metal of China vegetables at present, is also one of principal element of restriction China's vegetables quality and Development of Non-polluted Vegetables product simultaneously.The long-term edible high vegetables of Cd that contain, can have a strong impact on HUMAN HEALTH by food chain, even cause canceration.
The improvement of Cd Pollution in Soil comprises engineering method, phytoremediation and agronomy regulation method etc.Engineering method is cost costliness not only, also can spoiled soil structure and soil microorganisms environment, also easily initiation " secondary pollution ".Heavy metal-polluted soil phytoremediation and agronomy regulation technology have obtained in recent years investigator and have paid attention to especially.But most heavy metal super-enriched plants that nature is found have certain limitation in practice, as long in growth cycle, biomass is few, plant is short and small, thus limit the development of plant soil restoration heavy metal contamination.And utilize competitive positively charged ion and Cd
2+the agronomy regulation technology of antagonistic effect, have and check the absorption of Cd and be transported to vegetables edible part, reduce vegetables edible part Cd content, improve effect of quality of vegetable.This technology is because production technique is simple, and raw material sources are extensive, easy to use, and the effect that reduces Cd content in vegetables edible part is remarkable, and prospect is widely used.
Summary of the invention
the object of the present invention is to provide a kind of vegetables heavy metal Cd content that reduces, promote vegetable growth, strengthen the blade face control agent of vegetable disease-resistant, drought resisting, the ability such as cold-resistant.This invention utilizes competitive positively charged ion (Zn, Fe, Si) and Cd
2+antagonistic effect and the adsorption precipitation effect of phosphoric acid salt to Cd, there is the murder by poisoning of the heavy metal Cd of reduction to vegetable growth, improve vegetable crop, check the absorption of Cd and transport in vegetables edible part, improve effect of quality of agricultural product.Be particularly useful for leaf vegetables and melon-fruit-like vegetable.
The object of the invention is to realize by following measures:
The blade face control agent that vegetables heavy metal Cd is polluted, comprises 2.5 mmolL
-1c
8h
20o
4si, 2.5 mmolL
-1na
4siO
4, 0.1 ~ 0.3wt% KH
2pO
4, 100 ~ 400 μ molL
-1znSO
47H
2o and 100 ~ 200 μ molL
-1feSO
47H
2one or more in O, and 0.1 ~ 0.2wt% glycine and 0.1 ~ 0.2wt% L-Ala.Taking water as solvent.Because vegetable crop is subject to having a strong impact on of antagonistic action between element to the absorption of micro-Fe, Zn etc.The glycine that this product adds and L-Ala can promote vegetables to add micro-absorption and transhipment to Fe, Zn and other, strengthen competitive positively charged ion and Cd
2+antagonistic effect, meanwhile, phosphoric acid salt has adsorption precipitation effect to Cd, thereby reduce the murder by poisoning of heavy metal Cd to vegetable growth, improve vegetable crop, check the absorption of Cd and transport in vegetables edible part, reduced the content of heavy metal Cd in vegetables edible part.Simultaneously, glycine and L-Ala itself is physiologically active substance, the present invention has stimulation plant growth by glycine and L-Ala and other blade face control agent components matching, promote crop metabolism, alleviate and prevent the generation of disease and pest, improve vegetable crop, increase vegetables amino acid, Vc, total reducing sugar equal size, reduce nitrate content, thereby improved the effect of quality of vegetable.Can also protect spend short fruit, painted good, fruit face is bright and clean, sugar-preserved gourd is neat, the effect such as reduce pesticide residue, preserve the ecological environment.Because glycine and L-Ala production technique are in recent years updated, raw material sources wide (being mainly hair, cotton dregs etc.), production cost is more and more lower, provides guarantee thereby obtain amino-acid chelate for cheapness.
The blade face control agent that above-mentioned vegetables heavy metal Cd is polluted, also comprises 10 ~ 40 umol/L sucrose.Spray sucrose and can reduce C
8h
20o
4si, Na
4siO
4, KH
2pO
4, ZnSO
47H
2o and FeSO
47H
2damage to blade when the foliage-sprays such as O makes melon and fruit and solanaceous vegetables seedling and fruit ear sturdy simultaneously, resists the ability enhancing that Cd poisons, and content of fruit soluble solids, Vc, total reducing sugar equal size significantly increase, and fruit type fruit look obviously improves.The blade face control agent adding after sucrose has good prevention effect to oidium; After spraying on leaf vegetables, blade thickness increases, and chlorophyll content increases, and plant is disease-resistant, drought resisting, cold tolerance strengthen, and vegetables are on average increased production more than 10%.
The blade face control agent that above-mentioned vegetables heavy metal Cd is polluted, also comprises the EM microbial inoculum (EM microbial inoculum by EM stoste: water is formulated with the mass ratio of 1:200) of 0.5wt%.EM stoste is complex micro organism fungicide, adds compound cultivation form by photosynthetic bacteria, milk-acid bacteria, yeast, antibiotic bacteria by 1:1:1:1 mass ratio,, containing any chemical objectionable impurities, does not have no side effect, free from environmental pollution.The blade face control agent that adds the vegetables heavy metal Cd pollution after EM microbial inoculum has the crop enzymic activity of enhancing and photosynthesis, improve chlorophyll content, promote the absorption of plant to Zn, Fe, Si and P, strong sprout, rate significantly increased, alleviate the toxic effect of Cd to plant, obviously improved vegetable crop, there has been to effect clearly pre-disease prevention, desinsection aspect simultaneously, can also effectively avoid the harm of early frost, there is the effects such as cold-resistant, drought resisting.
Preferably, organosilicon adopts the tetraethoxy (C containing silicon-dioxide>=28%
8h
20o
4si), inorganic silicon adopts the water glass (Na containing silicon-dioxide>=49%
4siO
4), phosphorus adopts containing P
2o
5>=52% KH
2pO
4, zinc adopts the zinc sulfate (ZnSO containing Zn>=21%
47H
2o), iron adopts the ferrous sulfate (ZnSO containing Fe>=30%
47H
2o), all in weight percentage.
The preparation method who another object of the present invention is to the blade face control agent that above-mentioned Contamination of Heavy Metal in Vegetables is provided, comprises the following steps:
A. the preparation of organic double compound: 10 ~ 40 μ mol/L sucrose, 0.1 ~ 0.2wt% glycine and 0.1 ~ 0.2wt% L-Ala are mixed, be incorporated as the water of 0.5～1 times of amount of described mixture (quality), stir, obtain organic double compound;
B. the preparation of inorganic complex: get one or more mixing in tetraethoxy, water glass, potassium primary phosphate, ferric sulfate or the zinc sulfate of described amount, be incorporated as the water of 1～2 times of amount of described mixture (quality), at 50～60 DEG C, make it dissolve, obtain phosphorus potassium ferrosilicon zinc microelement inorganic complex;
C. organic double compound step a being made, the inorganic complex that b step makes mix, then add 0.5wt%EM microbial inoculum, stir, and add suitable quantity of water to described concentration, obtain the blade face control agent of Contamination of Heavy Metal in Vegetables.
Adopt above-mentioned preparation order, with respect to other hybrid mode, it is advantageous that and not only make glycine and L-Ala fully mix with micro-Fe, Zn etc., form the organic chelated state of optimizing, and ensured to greatest extent quantity and the activity of EM microbial inoculum.
Another object of the present invention is to provide above-mentioned blade face control agent to be particularly useful for leaf vegetables in vegetables and the method for application of melon and fruit class.Its method of application is: the time that sprays of leaf vegetables be Seedling Stage to nourishing and growing the Sheng phase, spray number of times with leaf vegetables 1 ~ 2 time, be 5 ~ 7d interval time; The time that sprays of melon and fruit class be flowering period to the best fruiting period, melon and fruit dish can spray 3 ~ 5 times, be 5 ~ 7d interval time.Select that above-mentioned to spray period be that vegetables form the phase on the occasion of output, now spray above-mentioned blade face control agent, competitive positively charged ion and Cd are moved in the absorption that can make full use of Cd
2+antagonistic effect, check the absorption of crop to Cd and the Cd transhipment to output forming part (edible part), thereby greatly reduce the content of heavy metal Cd in vegetables edible part.Leaf vegetables is shorter breeding time, relatively sprays number of times and can be less than melon and fruit dish, and interval is convenient to above-mentioned blade face control agent for 5 ~ 7 days and is fully absorbed by vegetables, brings into play in vivo antagonism and adsorption precipitation effect, also avoids because spraying the too short poisoning causing in interval simultaneously.
beneficial effect
1. the present invention has the murder by poisoning of reduction heavy metal Cd to vegetable growth, improves vegetable crop, checks the absorption of Cd and transports to vegetables (especially leaf vegetables, melon and fruit) edible part, improves effect of quality of agricultural product.
2. the present invention has also added organic active substance (amino acid, sucrose) and EM microbial inoculum, can not only promote Si, P, Zn, Fe to absorb, also stimulate vegetable growth, improve vegetable crop, improve quality of vegetable, reduce the generation of soil-borne disease, reduce pesticide dosage, strengthen vegetable disease-resistant, drought resisting, the anti-adversity ability such as cold-resistant.
3. raw material sources of the present invention are extensive, and product manufacture is simple, and facility investment is less.
4. the present invention adopts foliage-spray mode to use, pollution-free, nuisanceless, environmentally friendly to soil, underground water and air.
5. the present invention has effectively improved vegetable crop, and Vc, amino acid, reducing sugar content, reduced nitrate and soil-borne disease insect pest incidence and agricultural chemicals and dropped into, quality, the external form of fruit are obviously improved, as bright and clean beautiful in capsicum achievement pericarp, uniform coloring, fruit type is full, and Chinese cabbage color and luster is fresh refreshing, and profile is neat, size evenly, is wrapped heart consolidation.
Embodiment
below by embodiment, the present invention is specifically described; be necessary to be pointed out that at this; following examples are only used to further illustrate the present invention; can not be interpreted as limiting the scope of the invention, these those skilled in the art can make some nonessential improvement and adjustment to the present invention according to the invention described above content.
The evaluation index of the embodiment of new technical scheme and new effect and parameter.
What the leaf vegetables control group described in the following example adopted is the clear water that sprays equivalent.
What the melon and fruit control group described in the following example adopted is the clear water that sprays equivalent.
embodiment 1
A blade face control agent for Contamination of Heavy Metal in Vegetables, in 2.5 mmolL of weight percentage
-1tetraethoxy (C
8h
20o
4si), 10 ~ 40 μ mol/L sucrose, 0.1 ~ 0.2wt% glycine and 0.1 ~ 0.2wt% L-Ala, 0.5wt%EM microbial inoculum be raw material, carry out according to the following steps:
A. the preparation of organic double compound: 10 ~ 40 μ mol/L sucrose, 0.1 ~ 0.2wt% glycine and 0.1 ~ 0.2wt% L-Ala are mixed, be incorporated as the water of 0.5～1 times of amount of described mixture, stir, obtain organic double compound;
B. the preparation of teos solution: get the tetraethoxy of described amount, be incorporated as the water of 1～2 times of amount of described tetraethoxy, make it dissolve at 50～60 DEG C, obtain teos solution;
C. organic double compound step a being made, the tetraethoxy that b step makes mix, cooling after, then add 0.5wt%EM microbial inoculum, stir, add suitable quantity of water to described concentration, obtain the blade face control agent of Contamination of Heavy Metal in Vegetables.
Spray time taking the leaf vegetables Seedling Stage-Sheng of nourishing and growing phase, melon and fruit dish as all can spray flowering period-best fruiting period, spray number of times with leaf vegetables 1 ~ 2 time, melon and fruit dish can spray 3 ~ 5 times, and be 5 ~ 7d interval time.
Use the blade face control agent of this Contamination of Heavy Metal in Vegetables to spray after capsicum, yield of hot pepper is 2680.8 ~ 3020.3 kg/667 m
2, than contrast, (output is 2176 kg/667m
2) volume increase 23.2% ~ 38.8%.Capsicum Vc content is 27.49 ~ 29.07 mg/100 g, and than contrast, (Vc content is that 24.37 mg/100 g) have increased Vc content 12.8% ~ 19.3%; Capsicum aminoacids content is 783.9 ~ 881.8 μ g/100 g, and than contrast, (aminoacids content is that 714.55 mg/100 g) have increased by 9.7% ~ 23.4%; Capsicum reducing sugar content is 0.346% ~ 0.386%, has increased by 16.1% ~ 29.5% than contrast (reducing sugar content is 0.298%); Capsicum nitrate content is 162.3 ~ 141.4 mg/kg, has reduced by 23.7% ~ 33.5% than contrast (nitrate content is 212.7 mg/kg); Pepper fruit Cd content is 0.039 ~ 0.062 mg/100 g, has reduced 45.3% ~ 65.1% than contrast (fruit Cd content is 0.113 mg/kg).Soil-borne disease insect pest incidence is 19.8% ~ 24.0%, than contrast (soil-borne disease incidence is 32.7%), has reduced 26.7% ~ 39.3%, and agricultural chemicals drops into and reduces more than 30%.Achievement pericarp is bright and clean beautiful, uniform coloring, and fruit type is full, and Quality of Capsicum obviously improves.
Use the blade face control agent of this Contamination of Heavy Metal in Vegetables to spray after Chinese cabbage, Chinese Cabbage Yield is 5697 ~ 6283 kg/667 m
2, than contrast, (output is 4721 kg/667 m
2) volume increase 20.7% ~ 33.1%.Chinese cabbage Vc content is 20.40 ~ 22.66 mg/100 g, and than contrast, (Vc content is that 18.88 mg/100 g) have increased Vc content 8.0% ~ 20.0%; Chinese cabbage aminoacids content is 858.5 ~ 882.7 μ g/100 g, and than contrast, (aminoacids content is that 761.25 mg/100 g) have increased by 12.8% ~ 16.0%; Chinese cabbage reducing sugar content 0.437% ~ 0.449%, has increased by 6.9% ~ 9.8% than contrast (reducing sugar content is 0.409%); Nitrate content in Chinese cabbage is 463.8 ~ 503.1 mg/kg, reduces by 42.3% ~ 46.8% than contrast (nitrate content is 871.3 mg/kg); Chinese cabbage Cd content 0.032 ~ 0.047 mg/kg, reduces 47.2% ~ 64.0% than contrast (Chinese cabbage Cd content is 0.089 mg/kg).Soil-borne disease insect pest incidence is 24.9% ~ 32.7%, has reduced 24.3% ~ 42.4% than contrast (soil-borne disease incidence is 43.2%), and agricultural chemicals drops into and reduces more than 30%.Chinese cabbage color and luster is fresh refreshing, and profile is neat, and size evenly, is wrapped heart consolidation.
embodiment 2
A blade face control agent for Contamination of Heavy Metal in Vegetables, in 2.5 mmolL of weight percentage
-1water glass (Na
4siO
4), 10 ~ 40 μ mol/L sucrose, 0.1 ~ 0.2wt% glycine and 0.1 ~ 0.2wt% L-Ala aqueous solution and 0.5wt%EM microbial inoculum be raw material, carry out according to the following steps:
A. the preparation of organic double compound: 10 ~ 40 μ mol/L sucrose, 0.1 ~ 0.2wt% glycine and 0.1 ~ 0.2wt% L-Ala are mixed, be incorporated as the water of 0.5～1 times of amount of described mixture, stir, obtain organic double compound;
B. the preparation of sodium silicate solution: get the water glass of described amount, be incorporated as the water of 1～2 times of amount of described water glass, at 50～60 DEG C, it is fully dissolved, obtain sodium silicate solution;
C. organic double compound step a being made, the sodium silicate solution that b step makes mix, cooling after, then add 0.5wt%EM microbial inoculum, stir, add suitable quantity of water to described concentration, obtain the blade face control agent of Contamination of Heavy Metal in Vegetables.
Spray time taking the leaf vegetables Seedling Stage-Sheng of nourishing and growing phase, melon and fruit dish as all can spray flowering period-best fruiting period, spray number of times with leaf vegetables 1 ~ 2 time, melon and fruit dish can spray 3 ~ 5 times, and be 5 ~ 7d interval time.
Use the blade face control agent of this Contamination of Heavy Metal in Vegetables to spray after capsicum, yield of hot pepper is 2556.8 ~ 2726.5kg/667 m
2, than contrast, (output is 2176 kg/667 m
2) volume increase 17.5% ~ 25.3%.Capsicum Vc content is 27.32 ~ 28.44 mg/100 g, and than contrast, (Vc content is that 24.37mg/100 g) has increased Vc content 12.1% ~ 16.7%; Capsicum aminoacids content is 767.4 ~ 863.2 μ g/100 g, and than contrast, (aminoacids content is that 714.55 mg/100 g) have increased by 7.4% ~ 20.8%; Capsicum reducing sugar content is 0.334% ~ 0.379%, has increased by 15.6% ~ 27.2% than contrast (reducing sugar content is 0.298%); Capsicum nitrate content is 140.4 ~ 154.2 mg/kg, has reduced by 27.5% ~ 34.0% than contrast (nitrate content is 212.7 mg/kg); Pepper fruit Cd content is 0.048 ~ 0.061 mg/100 g, has reduced 46.3% ~ 57.9% than contrast (fruit Cd content is 0.113 mg/kg).Soil-borne disease insect pest incidence is 21.3% ~ 25.0%, than contrast (soil-borne disease incidence is 32.7%), has reduced 23.5% ~ 34.8%, and agricultural chemicals drops into and reduces more than 30%.Achievement pericarp is bright and clean beautiful, uniform coloring, and fruit type is full, and Quality of Capsicum obviously improves.
Use the blade face control agent of this Contamination of Heavy Metal in Vegetables to spray after Chinese cabbage, Chinese Cabbage Yield is 5735 ~ 6327 kg/667 m
2, than contrast, (output is 4721 kg/667m
2) volume increase 21.5% ~ 34.0%.Chinese cabbage Vc content is 20.57 ~ 23.73 mg/100g, has increased Vc content 9.0% ~ 25.7% than contrast (Vc content is 18.88mg/100g); Chinese cabbage aminoacids content is 882.7 ~ 899.7 μ g/100 g, and than contrast, (aminoacids content is that 761.25 mg/100 g) have increased by 13.3% ~ 18.2%; Chinese cabbage reducing sugar content 0.439% ~ 0.452%, has increased by 7.3% ~ 10.5wt% than contrast (reducing sugar content is 0.409%); Nitrate content in Chinese cabbage is 471.4 ~ 578.2mg/kg, reduces by 33.6% ~ 45.9% than contrast (nitrate content is 871.3 mg/kg); Chinese cabbage Cd content 0.028 ~ 0.045 mg/kg, reduces 49.4% ~ 68.5% than contrast (Chinese cabbage Cd content is 0.089 mg/kg).Soil-borne disease insect pest incidence is 24.1% ~ 31.6%, has reduced 26.9% ~ 44.2% than contrast (soil-borne disease incidence is 43.2%), and agricultural chemicals drops into and reduces more than 30%.Chinese cabbage color and luster is fresh refreshing, and profile is neat, and size evenly, is wrapped heart consolidation.
embodiment 3
?a blade face control agent for Contamination of Heavy Metal in Vegetables, in 0.1 ~ 0.3wt%KH of weight percentage
2pO
4, 10 ~ 40umol/L sucrose, 0.1 ~ 0.2wt% glycine and L-Ala solution and 0.5wt%EM microbial inoculum be raw material, carry out according to the following steps:
A. the preparation of organic double compound: 10 ~ 40umol/L sucrose, 0.1 ~ 0.2wt% glycine and 0.1 ~ 0.2wt% L-Ala are mixed, be incorporated as the water of 0.5～1 times of amount of described mixture, stir, obtain organic double compound;
B.KH
2pO
4the preparation of solution: the KH that gets described amount
2pO
4, be incorporated as described KH
2pO
4the water of 1～2 times of amount fully dissolves it at 50～60 DEG C, obtains KH
2pO
4solution;
C. organic double compound step a being made, the KH that b step makes
2pO
4solution mixes, cooling after, then add 0.5wt%EM microbial inoculum, stir, add suitable quantity of water to described concentration, obtain the blade face control agent of Contamination of Heavy Metal in Vegetables.
Spray time taking the leaf vegetables Seedling Stage-Sheng of nourishing and growing phase, melon and fruit dish as all can spray flowering period-best fruiting period, spray number of times with leaf vegetables 1 ~ 2 time, melon and fruit dish can spray 3 ~ 5 times, and be 5 ~ 7d interval time.
Use the blade face control agent of this Contamination of Heavy Metal in Vegetables to spray after capsicum, yield of hot pepper is 2746.1 ~ 3022.5 kg/667 m
2, than contrast, (output is 2176 kg/667m
2) volume increase 26.2% ~ 38.9%.Capsicum Vc content is 28.17 ~ 31.14 mg/100 g, and than contrast, (Vc content is that 24.37 mg/100 g) have increased Vc content 15.6% ~ 27.8%; Capsicum aminoacids content is 802.4 ~ 892.5 μ g/100 g, and than contrast, (aminoacids content is that 714.55 mg/100 g) have increased by 12.3% ~ 24.9%; Capsicum reducing sugar content is 0.350% ~ 0.395%, has increased by 17.5% ~ 32.4% than contrast (reducing sugar content is 0.298%); Capsicum nitrate content is 136.8 ~ 156.8 mg/kg, has reduced by 26.3% ~ 35.7% than contrast (nitrate content is 212.7 mg/kg); Pepper fruit Cd content is 0.040 ~ 0.058 mg/100 g, has reduced 49.1% ~ 64.3% than contrast (fruit Cd content is 0.113 mg/kg).Soil-borne disease insect pest incidence is 20.6% ~ 23.8%, than contrast (soil-borne disease incidence is 32.7%), has reduced 27.3% ~ 36.9%, and agricultural chemicals drops into and reduces more than 30%.Achievement pericarp is bright and clean beautiful, uniform coloring, and fruit type is full, and Quality of Capsicum obviously improves.
Use the blade face control agent of this Contamination of Heavy Metal in Vegetables to spray after Chinese cabbage, Chinese Cabbage Yield 5876 ~ 6291 kg/667 m
2, than contrast, (output is 4721 kg/667 m
2) volume increase 24.5% ~ 33.3%.Chinese cabbage Vc content is 20.93 ~ 23.56 mg/100 g, and than contrast, (Vc content is that 18.88 mg/100 g) have increased Vc content 10.9% ~ 24.8%; Chinese cabbage aminoacids content is 859.4 ~ 883.5 μ g/100g, has increased by 13.0% ~ 16.1% than contrast (aminoacids content is 761.25 mg/100g); Chinese cabbage reducing sugar content 0.430% ~ 0.541%, has increased by 5.1% ~ 10.2% than contrast (reducing sugar content is 0.409%); Nitrate content in Chinese cabbage is 462.8 ~ 509.2 mg/kg, reduces by 41.6% ~ 46.9% than contrast (nitrate content is 871.3 mg/kg); Chinese cabbage Cd content 0.035 ~ 0.040 mg/kg, reduces 55.1% ~ 60.7% than contrast (Chinese cabbage Cd content is 0.089 mg/kg).Soil-borne disease insect pest incidence is 23.9% ~ 29.7%, has reduced 31.3% ~ 44.7% than contrast (soil-borne disease incidence is 43.2%), and agricultural chemicals drops into and reduces more than 30%.Chinese cabbage color and luster is fresh refreshing, and profile is neat, and size evenly, is wrapped heart consolidation.
embodiment 4
A blade face control agent for Contamination of Heavy Metal in Vegetables, in 100 ~ 400 μ molL of weight percentage
-1znSO
47H
2o, 10 ~ 40 μ mol/L sucrose, 0.1 ~ 0.2wt% glycine and L-Ala solution and 0.5wt%EM microbial inoculum are raw material, carry out according to the following steps:
A. the preparation of organic double compound: 10 ~ 40 μ mol/L sucrose, 0.1 ~ 0.2wt% glycine and 0.1 ~ 0.2wt% L-Ala are mixed, be incorporated as the water of 0.5～1 times of amount of described mixture, stir, obtain organic double compound;
B.ZnSO
47H
2the preparation of O solution: the ZnSO that gets described amount
47H
2o, is incorporated as described ZnSO
47H
2the water of 1～2 times of amount of O fully dissolves it at 50～60 DEG C, obtains ZnSO
47H
2o solution;
C. organic double compound step a being made, the ZnSO that b step makes
47H
2o solution mixes, cooling after, then add 0.5wt%EM microbial inoculum, stir, add suitable quantity of water to described concentration, obtain the blade face control agent of Contamination of Heavy Metal in Vegetables.
Spray time taking the leaf vegetables Seedling Stage-Sheng of nourishing and growing phase, melon and fruit dish as all can spray flowering period-best fruiting period, spray number of times with leaf vegetables 1 ~ 2 time, melon and fruit dish can spray 3 ~ 5 times, and be 5 ~ 7d interval time.
Use the blade face control agent of this Contamination of Heavy Metal in Vegetables to spray after capsicum, yield of hot pepper is 2802.7 ~ 3109.5 kg/667 m
2, than contrast, (output is 2176 kg/667 m
2) volume increase 28.8% ~ 42.9%.Capsicum Vc content is 26.15 ~ 27.08 mg/100 g, and than contrast, (Vc content is that 24.37 mg/100 g) have increased Vc content 7.3% ~ 11.1%; Capsicum aminoacids content is 780.3 ~ 848.2 μ g/100g, and than contrast, (aminoacids content is that 714.55 mg/100 g) have increased by 9.2% ~ 18.7%; Capsicum reducing sugar content is 0.332% ~ 0.365%, has increased by 11.3% ~ 22.5% than contrast (reducing sugar content is 0.298%); Capsicum nitrate content is 134.2 ~ 160.0 mg/kg, has reduced by 24.8% ~ 36.9% than contrast (nitrate content is 212.7 mg/kg); Pepper fruit Cd content is 0.042 ~ 0.064 mg/100 g, has reduced 43.5% ~ 62.8% than contrast (fruit Cd content is 0.113 mg/kg).Soil-borne disease insect pest incidence is 19.7% ~ 24.1%, than contrast (soil-borne disease incidence is 32.7%), has reduced 26.4% ~ 39.7%, and agricultural chemicals drops into and reduces more than 30%.Achievement pericarp is bright and clean beautiful, uniform coloring, and fruit type is full, and Quality of Capsicum obviously improves.
Use the blade face control agent of this Contamination of Heavy Metal in Vegetables to spray after Chinese cabbage, Chinese Cabbage Yield 5793 ~ 6308 kg/667m
2, than contrast, (output is 4721 kg/667 m
2) volume increase 22.7% ~ 33.6%.Chinese cabbage Vc content is 21.27 ~ 23.69 mg/100g, and than contrast, (Vc content is that 18.88 mg/100 g) have increased Vc content 12.7% ~ 25.5%; Chinese cabbage aminoacids content is 855.8 ~ 892.4 μ g/100g, has increased by 12.4% ~ 17.2% than contrast (aminoacids content is 761.25 mg/100g); Chinese cabbage reducing sugar content 0.436% ~ 0.450%, has increased by 6.6% ~ 10.0% than contrast (reducing sugar content is 0.409%); Nitrate content in Chinese cabbage is 427.3 ~ 489.7 mg/kg, reduces by 43.8% ~ 51.0% than contrast (nitrate content is 871.3 mg/kg); Chinese cabbage Cd content 0.031 ~ 0.039 mg/kg, reduces 56.2% ~ 65.2% than contrast (Chinese cabbage Cd content is 0.089 mg/kg).Soil-borne disease insect pest incidence is 25.4% ~ 29.8%, has reduced 31.0% ~ 41.2% than contrast (soil-borne disease incidence is 43.2%), and agricultural chemicals drops into and reduces more than 30%.Chinese cabbage color and luster is fresh refreshing, and profile is neat, and size evenly, is wrapped heart consolidation.
embodiment 5
A blade face control agent for Contamination of Heavy Metal in Vegetables, in 100 ~ 200 μ molL of weight percentage
-1feSO
47H
2o, 10 ~ 40 μ mol/L sucrose, 0.1 ~ 0.2wt% glycine and L-Ala solution and 0.5wt%EM microbial inoculum are raw material, carry out according to the following steps:
A. the preparation of organic double compound: 10 ~ 40 μ mol/L sucrose, 0.1 ~ 0.2wt% glycine and 0.1 ~ 0.2wt% L-Ala are mixed, be incorporated as the water of 0.5～1 times of amount of described mixture, stir, obtain organic double compound;
B.FeSO
47H
2the preparation of O solution: the FeSO that gets described amount
47H
2o, is incorporated as described FeSO
47H
2the water of 1～2 times of amount of O fully dissolves it at 50～60 DEG C, obtains FeSO
47H
2o solution;
C. organic double compound step a being made, the FeSO that b step makes
47H
2o solution mixes, cooling after, then add 0.5wt%EM microbial inoculum, stir, add suitable quantity of water to described concentration, obtain the blade face control agent of Contamination of Heavy Metal in Vegetables.
Spray time taking the leaf vegetables Seedling Stage-Sheng of nourishing and growing phase, melon and fruit dish as all can spray flowering period-best fruiting period, spray number of times with leaf vegetables 1 ~ 2 time, melon and fruit dish can spray 3 ~ 5 times, and be 5 ~ 7d interval time.
Use the blade face control agent of this Contamination of Heavy Metal in Vegetables to spray after capsicum, yield of hot pepper is 2741.8 ~ 3055.1 kg/667 m
2, than contrast, (output is 2176 kg/667 m
2) volume increase 26.0% ~ 40.4%.Capsicum Vc content is 26.37 ~ 27.59 mg/100 g, and than contrast, (Vc content is that 24.37 mg/100 g) have increased Vc content 8.2% ~ 13.2%; Capsicum aminoacids content is 746.7 ~ 833.2 μ g/100g, and than contrast, (aminoacids content is that 714.55 mg/100 g) have increased by 4.5% ~ 16.6%; Capsicum reducing sugar content is 0.359% ~ 0.400%, has increased by 20.6% ~ 34.1% than contrast (reducing sugar content is 0.298%); Capsicum nitrate content is 141.66 ~ 158.25 mg/kg, has reduced by 25.6% ~ 33.4% than contrast (nitrate content is 212.7 mg/kg); Pepper fruit Cd content is 0.044 ~ 0.059 mg/100 g, has reduced 47.9% ~ 61.2% than contrast (fruit Cd content is 0.113 mg/kg).Soil-borne disease insect pest incidence is 15.5% ~ 22.0%, than contrast (soil-borne disease incidence is 32.7%), has reduced 32.6% ~ 52.5%, and agricultural chemicals drops into and reduces more than 30%.Achievement pericarp is bright and clean beautiful, uniform coloring, and fruit type is full, and Quality of Capsicum obviously improves.
Use the blade face control agent of this Contamination of Heavy Metal in Vegetables to spray after Chinese cabbage, Chinese Cabbage Yield 5649 ~ 6312 kg/667m
2, than contrast, (output is 4721 kg/667 m
2) volume increase 19.7% ~ 33.7%.Chinese cabbage Vc content is 20.63 ~ 23.32 mg/100g, and than contrast, (Vc content is that 18.88 mg/100 g) have increased Vc content 9.5% ~ 23.5%; Chinese cabbage aminoacids content is 861.7 ~ 895.2 μ g/100 g, and than contrast, (aminoacids content is that 761.25 mg/100 g) have increased by 13.2% ~ 17.6%; Chinese cabbage reducing sugar content 0.437% ~ 0.448%, has increased by 6.8% ~ 9.5% than contrast (reducing sugar content is 0.409%); Nitrate content in Chinese cabbage is 457.3 ~ 506.8 mg/kg, reduces by 41.8% ~ 47.5% than contrast (nitrate content is 871.3 mg/kg); Chinese cabbage Cd content 0.028 ~ 0.040 mg/kg, reduces 55.1% ~ 68.5% than contrast (Chinese cabbage Cd content is 0.089 mg/kg).Soil-borne disease insect pest incidence is 24.5% ~ 29.6%, has reduced 31.5% ~ 43.3% than contrast (soil-borne disease incidence is 43.2%), and agricultural chemicals drops into and reduces more than 30%.Chinese cabbage color and luster is fresh refreshing, and profile is neat, and size evenly, is wrapped heart consolidation.
embodiment 6
A blade face control agent for Contamination of Heavy Metal in Vegetables, in 2.5 mmolL of weight percentage
-1tetraethoxy (C
8h
20o
4si), 2.5 mmolL
-1water glass (Na
4siO
4), 0.1 ~ 0.3wt%KH
2pO
4, 10 ~ 40 μ mol/L sucrose, 0.1 ~ 0.2wt% glycine and L-Ala solution and 0.5wt%EM microbial inoculum be raw material, carry out according to the following steps:
A. the preparation of organic double compound: 10 ~ 40 μ mol/L sucrose, 0.1 ~ 0.2wt% glycine and 0.1 ~ 0.2wt% L-Ala are mixed, be incorporated as the water of 0.5～1 times of amount of described mixture, stir, obtain organic double compound;
B. the preparation of inorganic complex: the tetraethoxy, water glass, the KH that get described amount
2pO
4, be incorporated as the water of 1～2 times of amount of described mixture, at 50～60 DEG C, make it dissolve, obtain inorganic complex;
C. organic double compound step a being made, the inorganic complex that b step makes mix, cooling after, then add 0.5wt%EM microbial inoculum, stir, add suitable quantity of water to described concentration, obtain the blade face control agent of Contamination of Heavy Metal in Vegetables.
Spray time taking the leaf vegetables Seedling Stage-Sheng of nourishing and growing phase, melon and fruit dish as all can spray flowering period-best fruiting period, spray number of times with leaf vegetables 1 ~ 2 time, melon and fruit dish can spray 3 ~ 5 times, and be 5 ~ 7d interval time.
Use the blade face control agent of this Contamination of Heavy Metal in Vegetables to spray after capsicum, yield of hot pepper is 2745 ~ 3087 kg/667m
2, than contrast, (output is 2176 kg/667 m
2) volume increase 26.1% ~ 41.9%.Capsicum Vc content is 26.53 ~ 33.62 mg/100 g, and than contrast, (Vc content is that 24.37 mg/100 g) have increased Vc content 8.9% ~ 38.0%; Capsicum aminoacids content is 750.6 ~ 889.1 μ g/100 g, and than contrast, (aminoacids content is that 714.55 mg/100 g) have increased by 5.0% ~ 24.2%; Capsicum reducing sugar content is 0.349% ~ 0.451%, has increased by 17.1% ~ 51.3% than contrast (reducing sugar content is 0.298%); Capsicum nitrate content is 158.2 ~ 172.9 mg/kg, has reduced by 18.7% ~ 25.6% than contrast (nitrate content is 212.7 mg/kg); Pepper fruit Cd content is 0.039 ~ 0.049 mg/100 g, has reduced 56.6% ~ 65.5% than contrast (fruit Cd content is 0.113 mg/kg).Soil-borne disease insect pest incidence is 21.2% ~ 24.9%, than contrast (soil-borne disease incidence is 32.7%), has reduced 23.9% ~ 35.2%, and agricultural chemicals drops into and reduces more than 30%.Achievement pericarp is bright and clean beautiful, uniform coloring, and fruit type is full, and Quality of Capsicum obviously improves.
Use the blade face control agent of this Contamination of Heavy Metal in Vegetables to spray after Chinese cabbage, Chinese Cabbage Yield 5693 ~ 6299 kg/667m
2, than contrast, (output is 4721 kg/667 m
2) volume increase 20.6% ~ 33.4%.Chinese cabbage Vc content is 20.52 ~ 23.68 mg/100 g, and than contrast, (Vc content is that 18.88 mg/100 g) have increased Vc content 8.7% ~ 25.4%; Chinese cabbage aminoacids content is 865.2 ~ 889.5 μ g/100 g, has increased by 13.7% ~ 16.8% than contrast (aminoacids content is 761.25 mg/100g); Chinese cabbage reducing sugar content 0.439% ~ 0.452%, has increased by 7.3% ~ 10.5% than contrast (reducing sugar content is 0.409%); Nitrate content in Chinese cabbage is 464.7 ~ 511.9 mg/kg, reduces by 41.3% ~ 46.7% than contrast (nitrate content is 871.3 mg/kg); Chinese cabbage Cd content 0.030 ~ 0.039 mg/kg, reduces 56.2% ~ 66.3% than contrast (Chinese cabbage Cd content is 0.089 mg/kg).Soil-borne disease insect pest incidence is 23.8% ~ 29.7%, has reduced 31.2% ~ 44.9% than contrast (soil-borne disease incidence is 43.2%), and agricultural chemicals drops into and reduces more than 30%.Chinese cabbage color and luster is fresh refreshing, and profile is neat, and size evenly, is wrapped heart consolidation.
embodiment 7
A blade face control agent for Contamination of Heavy Metal in Vegetables, in 2.5 mmolL of weight percentage
-1tetraethoxy (C
8h
20o
4si), 100 ~ 400 μ molL
-1znSO47H
2o, 10 ~ 40 μ mol/L sucrose, 0.1 ~ 0.2wt% glycine and 0.1 ~ 0.2wt% L-Ala aqueous solution and 0.5wt%EM microbial inoculum are raw material, carry out according to the following steps:
A. the preparation of organic double compound: 10 ~ 40 μ mol/L sucrose, 0.1 ~ 0.2wt% glycine and 0.1 ~ 0.2wt% L-Ala are mixed, be incorporated as the water of 0.5～1 times of amount of described mixture, stir, obtain organic double compound;
B. the preparation of inorganic complex: the tetraethoxy, the ZnSO47H that get described amount
2o, is incorporated as the water of 1～2 times of amount of described mixture, makes it dissolve at 50～60 DEG C, obtains inorganic complex;
C. organic double compound step a being made, the inorganic complex that b step makes mix, cooling after, then add 0.5wt%EM microbial inoculum, stir, add suitable quantity of water to described concentration, obtain the blade face control agent of Contamination of Heavy Metal in Vegetables.
Spray time taking the leaf vegetables Seedling Stage-Sheng of nourishing and growing phase, melon and fruit dish as all can spray flowering period-best fruiting period, spray number of times with leaf vegetables 1 ~ 2 time, melon and fruit dish can spray 3 ~ 5 times, and be 5 ~ 7d interval time.
Use the blade face control agent of this Contamination of Heavy Metal in Vegetables to spray after capsicum, yield of hot pepper is 2787 ~ 3075 kg/667m
2, than contrast, (output is 2176 kg/667 m
2) volume increase 28.1% ~ 41.3%.Capsicum Vc content is 26.38 ~ 33.69 mg/100 g, and than contrast, (Vc content is that 24.37 mg/100 g) have increased Vc content 8.2% ~ 38.2%; Capsicum aminoacids content is 752.2 ~ 890.8 μ g/100g, and than contrast, (aminoacids content is that 714.55 mg/100 g) have increased by 5.3% ~ 24.7%; Capsicum reducing sugar content is 0.343% ~ 0.449%, has increased by 15.1% ~ 50.7% than contrast (reducing sugar content is 0.298%); Capsicum nitrate content is 159.5 ~ 171.7 mg/kg, has reduced by 19.3% ~ 25.0% than contrast (nitrate content is 212.7 mg/kg); Pepper fruit Cd content is 0.037 ~ 0.043 mg/100g, has reduced 61.9% ~ 67.3% than contrast (fruit Cd content is 0.113 mg/kg).Soil-borne disease insect pest incidence is 21.6% ~ 25.5%, than contrast (soil-borne disease incidence is 32.7%), has reduced 22.0% ~ 33.9%, and agricultural chemicals drops into and reduces more than 30%.Achievement pericarp is bright and clean beautiful, uniform coloring, and fruit type is full, and Quality of Capsicum obviously improves.
Use the blade face control agent of this Contamination of Heavy Metal in Vegetables to spray after Chinese cabbage, Chinese Cabbage Yield 5689 ~ 6308 kg/667 m
2, than contrast, (output is 4721 kg/667 m
2) volume increase 20.5% ~ 33.6%.Chinese cabbage Vc content is 20.47 ~ 23.56 mg/100 g, and than contrast, (Vc content is that 18.88 mg/100 g) have increased Vc content 8.4% ~ 24.8%; Chinese cabbage aminoacids content is 855.7 ~ 893.1 μ g/100 g, and than contrast, (aminoacids content is that 761.25 mg/100 g) have increased by 12.4% ~ 17.3%; Chinese cabbage reducing sugar content 0.441% ~ 0.450%, has increased by 7.8% ~ 10.0% than contrast (reducing sugar content is 0.409%); Nitrate content in Chinese cabbage is 459.2 ~ 510.5 mg/kg, reduces by 41.4% ~ 47.3% than contrast (nitrate content is 871.3 mg/kg); Chinese cabbage Cd content 0.031 ~ 0.041 mg/kg, reduces 53.9% ~ 65.2% than contrast (Chinese cabbage Cd content is 0.089 mg/kg).Soil-borne disease insect pest incidence is 23.9% ~ 29.5%, has reduced 31.7% ~ 44.7% than contrast (soil-borne disease incidence is 43.2%), and agricultural chemicals drops into and reduces more than 30%.Chinese cabbage color and luster is fresh refreshing, and profile is neat, and size evenly, is wrapped heart consolidation.
embodiment 8
A blade face control agent for Contamination of Heavy Metal in Vegetables, in 2.5 mmolL of weight percentage
-1tetraethoxy (C
8h
20o
4si), 2.5 mmolL
-1water glass (Na
4siO
4), 10 ~ 40 μ mol/L sucrose, 0.1 ~ 0.2wt% glycine and 0.1 ~ 0.2wt% L-Ala solution and 0.5wt%EM microbial inoculum be raw material, carry out according to the following steps:
A. the preparation of organic double compound: 10 ~ 40 μ mol/L sucrose, 0.1 ~ 0.2wt% glycine and 0.1 ~ 0.2wt% L-Ala are mixed, be incorporated as the water of 0.5～1 times of amount of described mixture, stir, obtain organic double compound;
B. the preparation of inorganic complex: get tetraethoxy, the water glass of described amount, be incorporated as the water of 1～2 times of amount of described mixture, make it dissolve at 50～60 DEG C, obtain inorganic complex;
C. organic double compound step a being made, the inorganic complex that b step makes mix, cooling after, then add 0.5wt%EM microbial inoculum, stir, add suitable quantity of water to described concentration, obtain the blade face control agent of Contamination of Heavy Metal in Vegetables.
Spray time taking the leaf vegetables Seedling Stage-Sheng of nourishing and growing phase, melon and fruit dish as all can spray flowering period-best fruiting period, spray number of times with leaf vegetables 1 ~ 2 time, melon and fruit dish can spray 3 ~ 5 times, and be 5 ~ 7d interval time.
Use the blade face control agent of this Contamination of Heavy Metal in Vegetables to spray after capsicum, yield of hot pepper is 2832 ~ 3073 kg/667m
2, than contrast, (output is 2176 kg/667m
2) volume increase 30.1% ~ 41.2%.Capsicum Vc content is 26.47 ~ 33.72 mg/100 g, and than contrast, (Vc content is that 24.37 mg/100 g) have increased Vc content 8.6% ~ 38.4%; Capsicum aminoacids content is 756.7 ~ 891.9 μ g/100 g, and than contrast, (aminoacids content is that 714.55 mg/100 g) have increased by 5.9% ~ 24.8%; Capsicum reducing sugar content is 0.341% ~ 0.452%, has increased by 14.4% ~ 51.7% than contrast (reducing sugar content is 0.298%); Capsicum nitrate content is 155.5 ~ 171.0 mg/kg, has reduced by 19.6% ~ 26.9% than contrast (nitrate content is 212.7 mg/kg); Pepper fruit Cd content is 0.035 ~ 0.045 mg/100 g, has reduced 60.2% ~ 69.0% than contrast (fruit Cd content is 0.113 mg/kg).Soil-borne disease insect pest incidence is 21.3% ~ 25.7%, than contrast (soil-borne disease incidence is 32.7%), has reduced 21.4% ~ 34.8%, and agricultural chemicals drops into and reduces more than 30%.Achievement pericarp is bright and clean beautiful, uniform coloring, and fruit type is full, and Quality of Capsicum obviously improves.
Use the blade face control agent of this Contamination of Heavy Metal in Vegetables to spray after Chinese cabbage, Chinese Cabbage Yield 5697 ~ 6326 kg/667 m
2, than contrast, (output is 4721 kg/667 m
2) volume increase 20.7% ~ 34.0%.Chinese cabbage Vc content is 20.57 ~ 23.69 mg/100 g, and than contrast, (Vc content is that 18.88 mg/100 g) have increased Vc content 9.0% ~ 25.5%; Chinese cabbage aminoacids content is 857.8 ~ 898.7 μ g/100g, has increased by 12.7% ~ 18.1% than contrast (aminoacids content is 761.25 mg/100g); Chinese cabbage reducing sugar content 0.439% ~ 0.452%, has increased by 7.3% ~ 10.5% than contrast (reducing sugar content is 0.409%); Nitrate content in Chinese cabbage is 455.3 ~ 511.9 mg/kg, reduces by 41.2% ~ 47.7% than contrast (nitrate content is 871.3 mg/kg); Chinese cabbage Cd content 0.032 ~ 0.040 mg/kg, reduces 55.1% ~ 64.0% than contrast (Chinese cabbage Cd content is 0.089 mg/kg).Soil-borne disease insect pest incidence is 23.6% ~ 30.0%, has reduced 30.6% ~ 45.4% than contrast (soil-borne disease incidence is 43.2%), and agricultural chemicals drops into and reduces more than 30%.Chinese cabbage color and luster is fresh refreshing, and profile is neat, and size evenly, is wrapped heart consolidation.
Claims (5)
1. the blade face control agent that vegetables heavy metal Cd is polluted, comprises 2.5 mmolL
-1tetraethoxy, 2.5 mmolL
-1water glass, 0.1 ~ 0.3wt% potassium primary phosphate, 100 ~ 400 μ molL
-1zinc sulfate and 100 ~ 200 μ molL
-1one or more in ferric sulfate, and the glycine of 0.1 ~ 0.2wt% and 0.1 ~ 0.2wt% L-Ala.
2. the blade face control agent that vegetables heavy metal Cd as claimed in claim 1 is polluted, also comprises 10 ~ 40 μ mol/L sucrose.
3. the blade face control agent that vegetables heavy metal Cd as claimed in claim 1 is polluted, also comprises the EM microbial inoculum of 0.5wt%, and EM microbial inoculum is formed by the compound cultivation of 1:1:1:1 mass ratio by photosynthetic bacteria, milk-acid bacteria, yeast, antibiotic bacteria.
4. the blade face control agent that the vegetables heavy metal Cd as described in claim 1,2 or 3 is polluted, comprises the following steps:
A. the preparation of organic double compound: sucrose, glycine and L-Ala are mixed, add the water of 0.5～1 times of amount of mixture (quality), stir, obtain organic double compound;
B. the preparation of inorganic complex: get one or more mixing in tetraethoxy, water glass, potassium primary phosphate, ferric sulfate or the zinc sulfate of described amount, add the water of 1～2 times of amount of mixture (quality), at 50～60 DEG C, make it dissolve, obtain inorganic complex;
C. organic double compound step a being made, the inorganic complex that step b makes mix, then add EM microbial inoculum, stir, and add suitable quantity of water to described concentration, obtain the blade face control agent of Contamination of Heavy Metal in Vegetables.
5. the using method of blade face control agent that the vegetables heavy metal Cd as described in claim 1,2 or 3 is polluted, leaf vegetables spray the time be Seedling Stage to nourishing and growing the Sheng phase, spray number of times 1 ~ 2 time, be 5 ~ 7 days interval time; Melon-fruit-like vegetable spray the time be flowering period to the best fruiting period, spray number of times 3 ~ 5 times, be 5 ~ 7 days interval time.
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| CN104478555A (en) * | 2014-11-17 | 2015-04-01 | 浙江大学 | Method for guaranteeing safe output of rice planted in moderate and mild cadmium contaminated soil and preparation used in method |
| CN104496632A (en) * | 2014-11-17 | 2015-04-08 | 浙江大学 | Method for ensuring safe output of paddy planted in lead mild-moderate polluted soil and used preparation |
| CN106278673A (en) * | 2016-08-10 | 2017-01-04 | 西南大学 | A kind of vegetable multifunctional enriched-selenium biological preparation and preparation method thereof, using method |
| CN106818848A (en) * | 2017-02-17 | 2017-06-13 | 四川农业大学 | A kind of preparation for reducing rape nitrate and heavy metal accumulation |
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| CN106278673A (en) * | 2016-08-10 | 2017-01-04 | 西南大学 | A kind of vegetable multifunctional enriched-selenium biological preparation and preparation method thereof, using method |
| CN106818848A (en) * | 2017-02-17 | 2017-06-13 | 四川农业大学 | A kind of preparation for reducing rape nitrate and heavy metal accumulation |
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| CN104003815B (en) | 2016-04-13 |
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