CN105837308A - Foliar blocking and controlling agent capable of reducing cadmium contamination of brown rice, and preparation method and application thereof - Google Patents
Foliar blocking and controlling agent capable of reducing cadmium contamination of brown rice, and preparation method and application thereof Download PDFInfo
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- CN105837308A CN105837308A CN201610138091.4A CN201610138091A CN105837308A CN 105837308 A CN105837308 A CN 105837308A CN 201610138091 A CN201610138091 A CN 201610138091A CN 105837308 A CN105837308 A CN 105837308A
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D1/00—Fertilisers containing potassium
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C21/00—Methods of fertilising, sowing or planting
- A01C21/005—Following a specific plan, e.g. pattern
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
- A01G22/20—Cereals
- A01G22/22—Rice
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
Abstract
The invention provides a foliar blocking and controlling agent capable of reducing cadmium contamination of brown rice, and a preparation method and application thereof, belonging to the technical field of foliar sprinkling fertilizer for crops. The preparation method comprises the following steps: adding, on the basis of each liter of water, 200 to 230 g of silicon dioxide, 60 to 80 g of potassium oxide, 8 to 15 g of calcium oxide, 1 to 2 g of selenium, less than 2 g of adding elements and 1 to 2 g of a plant growth regulator into a container equipped with a stirring device; carrying out uniform mixing under stirring; controlling stirring time and speed; and the discharging the obtained mixture and carrying out so as to obtain the foliar blocking and controlling agent capable of reducing cadmium contamination of brown rice. The application of the foliar blocking and controlling agent comprises a first step of diluting the foliar blocking and controlling agent with water and a second step of sprinkling the diluted agent on the leaves of rice in stages. The foliar blocking and controlling agent inhibits migration of cadmium ions, guarantees ideal cadmium reduction effect on brown rice, realizes the dual effects of cadmium blocking and nutrient absorption of plants, enables the yield of paddy rice per mu to increase by 6% or above, is beneficial for prolongation of the life span of human beings and increases the added value of rice; the preparation method is simple and has no strict requirements on essential factors; and the application method is convenient and efficient.
Description
Technical field
The invention belongs to corps leaf surface and spray technical field of fertilizers, be specifically related to a kind of blade face resistance control agent reducing Brown Rice cadmium pollution, and also relate to its preparation method and use.
Background technology
As is known in the industry, cadmium is a Heavy Metallic Elements, forms inorganic compound with the chemical element such as oxygen, chlorine, sulfur and is distributed in nature.Fast development along with modern industry, the pollution that Industrial " three Waste " brings is increasingly severe, bring the pollution of cadmium to farmland Oryza sativa L., the use (phosphate fertilizer, compound fertilizer's cadmium content are high) of the use of the most agriculture agriculture chemical own, especially phosphate fertilizer the most directly pollutes soil.The soil sample survey results done according to Shaoguan City, Guangdong Province in 2007 shows: Shaoguan heavy metal-polluted soil exceeding standard rate is 22.77%, and wherein cadmium exceeds standard 30 times；The Soils In The Region cadmium contents such as Changsha, Xiang Tan and strain state are averagely more than 9.7mg/kg (it is 3mg/kg that GB proposes Cadmium in Soil content negative value), and peak surpasses 29 times；The In Cadmium Polluted Areas such as Hezhang, Guizhou, Jiangxi great Yu, Wenzhou District of Zhejiang Province, Zhang Shi irrigated area, Shenyang, Oryza sativa L. cadmium pollution severe overweight.Within 2013, Hunan Province's " cadmium rice " event causes whole nation concern.Along with the Ministry of Agriculture, the Ministry of Finance in 2014 are about " Hunan heavy metal pollution is ploughed and repaired and main crops production adjustment pilot suggestion " appearance, indicating that whole nation heavy metal pollution processes, Oryza sativa L. fall cadmium works and formally launches.
Heavy metal pollution refers generally to the pollution to soil crops of lead, hydrargyrum, cadmium, chromium.Cadmium is one of them, and owing to the bio-toxicity of cadmium is strong, chemical toxicity is the strongest, thus is one maximum to human health risk in all toxic metals secondary elements.
After cadmium is absorbed by root system of plant, relatively other metal is more easy to shift to plant and other position, with protein binding on the film such as plant plasma membrane serves, changes its configuration, directly affects the activity of albumen on film, thus plant is produced the strongest toxicity.Cadmium strong inhibition plant and the growth of cell, when in plant tissue, cadmium concentration reaches 1umol/L, will property saturating to plant plasma membrane serves, damage with physiological and biochemical procedure and soil microorganisms etc. such as water metabolism, photosynthesis, Repiration, carbohydrate metabolism nitrogen metabolism, nucleic acid metabolism, enzymatic activitys, affect plant growing.
Cadmium is very big to health hazard in taking in human body by food chain transmission, as kidney, lung, liver, testis, brain, skeleton and blood system all can produce toxicity, is classified as the 6th noxious substance jeopardizing health by poisonous substance administration committee of the U.S..
With regard to cadmium for the pollution of Oryza sativa L., different at the content of the different parts cadmium of rice plant, descending sequential arrangement is: root stem and leaf brown rice, so to Oryza sativa L. fall cadmium and the control of other heavy metal, it is important that the improvement to heavy metal-polluted soil, by imposing organic manure, liming, the alkaline fertilizer such as siliceous fertilizer and fertiliser containing magnesium, on the one hand soil pH value can be improved, on the other hand can increase the heavy metal ion such as silicate plasma and cadmium and produce redox reaction, it is allowed to precipitation solidification, increase bio-feritlizer simultaneously, charcoal fertilizer, humic acids, the fertilizer such as aminoacid, acted on by absorption etc., reduce heavy metal ion to be absorbed by plants.By the resistance control of root, typically can reduce the heavy metal ion such as 85% cadmium and enter plant top.
Owing to the biogenic migration of cadmium is the strongest, administer through root, part cadmium ion is still had to enter in the plant body on soil top, so, blade face resistance control agent must be used, reaching the purpose of Brown Rice fall cadmium, using blade face resistance control agent is one of most important method of brown rice fall cadmium, is also one of best measure of effect.By using blade face resistance control agent, brown rice fall cadmium is at 80-90%, and the safety of brown rice substantially can be returned and be advised within national standard.
Country's brown rice cadmium content standard is Cd ＜ 0.2mg/kg(GB2762-2012), brown rice cadmium pollution exceedes the typical example Cd poisoning that such as Zhejiang Province Sui Lv county and Wenzhou Area occur in succession that several times are caused, the cause of disease all comes from the farmland Cd of locality and pollutes, and two places brown rice Cd content is respectively 1.17mg/kg and 1.3mg/kg.
The technical information of the resistance control agent being intended to reduce Brown Rice cadmium content can be seen in disclosed Chinese patent literature, typical " agent is controlled in a kind of auxotype resistance reducing rice Cd content " recommended such as application for a patent for invention publication No. CN105080953A, its raw material and component be: calcium silicates 30-45 part, Calx 47-71 part, potassium sulfate 4.8-7.5 part and magnesium sulfate 3.2-4.8 part.By the description to this patent specification 0043-0059 section, it is also not belonging to blade face resistance control agent category, and the raw material and component according to this patent application does not have referential meaning for cooking up blade face resistance control agent.
CN105272632A recommends there be " a kind of blade face resistance control agent reducing crops cadmium pollution and using method ", including following active component: tea saponin 5-45 part, citric acid 1-10 part, saponin 2-15 part, fulvo acid 4-30 part, fulvic acid 1-15 part and aminoacid 2-20 part.This patent application scheme formula is relative complex and cost of material is high.It is specific to rice leaf resistance control agent particularly with exploitation and the most not there is technical referentiability.
Summary of the invention
The top priority of the present invention is to provide a kind of stem and leaf contributing to making Oryza sativa L. top and Oryza sativa L. root in soil to simultaneously work as the resistance control effect of cadmium uses embodiment preferable brown rice fall cadmium effect, be conducive to being taken into account with resistance cadmium by necessary for Rice Production nutrient and using rice yield of avoiding attending to one thing and lose sight of another and being significantly improved, it is of value to and makes rice is used containing human body plays the trace element of life lengthening effect the blade face resistance control agent reducing Brown Rice cadmium pollution improving rice added value.
Another task of the present invention is to provide the preparation method of a kind of blade face resistance control agent reducing Brown Rice cadmium pollution, and the method technique is terse, use meet industrial amplification production requirement without harsh technical factor.
Another task of the present invention is to provide the using method of a kind of blade face resistance control agent reducing Brown Rice cadmium pollution, and the method uses simple and efficiency is high, can ensure comprehensive embodiment of the technique effect of the blade face resistance control agent of described reduction Brown Rice cadmium pollution.
For having embodied the top priority of the present invention, present invention provide the technical scheme that a kind of blade face resistance control agent reducing Brown Rice cadmium pollution, every liter of water comprises: silicon dioxide 200-230g, potassium oxide 60-80g, calcium oxide 8-15g, selenium 1-2g, addition element ＜ 2g and plant growth regulator 1-2g.
In a specific embodiment of the present invention, described silicon dioxide is water soluble silica；Described selenium is water soluble organic selenium.
In another specific embodiment of the present invention, described addition element is the combination of any one or more of magnesium, manganese, zinc, ferrum and boron；Described plant growth regulator was the mixture A of 60-140 mesh sieve or was the mixture B of 60-140 mesh sieve or for brassin.
In another specific embodiment of the present invention, described mixture A is made up of the raw material of following proportioning by weight: magnesium oxide 1 part, allantoin 0.1-0.6 part, zinc oxide 0.5-0.8 part, Borax 0.3-0.5 part, manganese oxide 0.3-0.5 part and ammonium molybdate 0.001-0.002 part；Described mixture B is made up of the raw material of following proportioning by weight: 1 part of magnesium sulfate, allantoin 0.1-0.6 part, zinc sulfate 0.5-0.8 part, Borax 0.3-0.5 part, manganese sulfate 0.3-0.5 part and ammonium molybdate 0.001-0.002 part.
For having embodied another task of the present invention, present invention provide the technical scheme that the preparation method of a kind of blade face resistance control agent reducing Brown Rice cadmium pollution, it is first to put into silicon dioxide 200-230g, potassium oxide 60-80g, calcium oxide 8-15g, selenium 1-2g, addition element ＜ 2g and plant growth regulator 1-2g successively by every liter of water in the container be furnished with agitating device, then open agitating device to stir, and control mixing time and control mixing speed, last blowing fill, is reduced the blade face resistance control agent of Brown Rice cadmium pollution.
In another specific embodiment of the present invention, described control mixing time is to control mixing time to be 30-50min, and described control mixing speed is to control mixing speed for 5-15rpm.
For having embodied another task of the present invention, present invention provide the technical scheme that the using method of a kind of blade face resistance control agent reducing Brown Rice cadmium pollution, it is first will to reduce the blade face resistance control dilution agent of Brown Rice cadmium pollution with water, obtain diluent, then with diluent, rice leaf is sprayed stage by stage.
Also having in a specific embodiment in the present invention, described sprinkling rice leaf stage by stage includes the three below stage: first stage is period of seedling establishment after Oryza sativa L. is in transplanting；Second stage is that Oryza sativa L. is in tillering stage；Three phases is that Oryza sativa L. is in boot stage, and the consumption of agent is controlled in the blade face resistance controlling the described reduction Brown Rice cadmium pollution in first stage, second stage and three phases and the water of the control described diluent of composition controls the volume ratio of agent with blade face resistance.
In more and in a specific embodiment of the present invention, the consumption of the blade face resistance control agent of the described reduction Brown Rice cadmium pollution in described control first stage, second stage and three phases is to be controlled by the consumption in the first stage as every mu of 100-200g, consumption in second stage controls to be every mu of 200-300g, and the consumption in three phases controls as 300-500g.
The present invention's and then in a specific embodiment, the volume ratio of the described water and blade face resistance control agent controlling composition diluent refers to: when diluent is for the sprinkling of described first stage, then water and blade face hinder the volume ratio of control agent is 400-500: 1；When diluent is for the sprinkling of described second stage, then water is 500-600: 1 with the volume ratio of blade face resistance control agent；When diluent is for the sprinkling of described three phases, then water is 600-800: 1 with the volume ratio of blade face resistance control agent.
One of technique effect of technical scheme, owing to the main constituent in formula is silicon dioxide and calcium oxide, when just producing physiological action after rice absorbing, silicate ion therein and cadmium ion react and form the silicate compound precipitation that is difficult to be absorbed by plants, can effectively suppress the migration of cadmium ion, calcium ion can produce antagonistic action simultaneously, so that the stem and leaf on Oryza sativa L. top and be positioned at the root of soil and simultaneously work as the resistance control effect to cadmium, ensures that cadmium effect drops in preferable brown rice；Two, owing to silicon, calcium and addition element are all Oryza sativa L. and the necessary nutrient of other crops, thus the resistance dual function taken into account with plant absorption nutrition of cadmium can be embodied and every mu of Oryza sativa L. can be made to increase production more than 6%；Three, owing to introducing trace element-selenium in formula, there is the most anticancer, antioxidation, anti-harmful heavy metal, regulation vitamin A, the absorption of C and E due to selenium, contribute to synthetic protein and strengthen the effect of reproductive function etc again, thus the beneficially life lengthening of human body and also be remarkably improved the added value of rice；Four, owing to the preparation method technique provided is terse and technical factor is the harshest, thus industrial amplification production requirement can be met；Five, it is provided that using method very convenient and efficiency is high, can ensure that the described technique effect of liquid level resistance control emerges from.
Detailed description of the invention
Embodiment 1:
First in the container be furnished with agitating device, i.e. in every 1 liter of water, put into water soluble silica 200g successively by every liter of water, potassium oxide 80g, calcium oxide 12g, water soluble organic selenium 1g, magnesium, manganese, the mixture 2g that ferrum is mixed by identical weight ratio mutually with boron, with the mixture A 1g as plant growth regulator crossing 60 mesh sieves, then open agitating device to stir, mixing time is 50min, mixing speed is 5rpm, last blowing fill, it is reduced the blade face resistance control agent of Brown Rice cadmium pollution, mixture A described in the present embodiment is made up of the raw material of following proportioning by weight: magnesium oxide 1 part, allantoin 0.6 part, zinc oxide 0.5 part, Borax 0.4 part, manganese oxide 0.3 part and ammonium molybdate 0.0015 part.
Embodiment 2:
First in the container be furnished with agitating device, i.e. in every 1 liter of water, put into water soluble silica 230g successively by every liter of water, potassium oxide 60g, calcium oxide 15g, water soluble organic selenium 2g, magnesium 1g, with the mixture B 2g as plant growth regulator crossing 140 mesh sieves, then open agitating device to stir, mixing time is 30min, mixing speed is 15rpm, last blowing fill, it is reduced the blade face resistance control agent of Brown Rice cadmium pollution, mixture B described in the present embodiment is made up of the raw material of following proportioning by weight: 1 part of magnesium sulfate, allantoin 0.1 part, 0.8 part of zinc sulfate, Borax 0.5 part, manganese sulfate 0.5 part and ammonium molybdate 0.002 part.
Embodiment 3:
First in the container be furnished with agitating device, i.e. in every 1 liter of water, put into water soluble silica 215g successively by every liter of water, potassium oxide 70g, calcium oxide 8g, water soluble organic selenium 1.5g, magnesium, manganese, ferrum, the mixture 1.5g that zinc is mixed by identical weight ratio mutually with boron, with the mixture A 1.5g as plant growth regulator crossing 100 mesh sieves, then open agitating device to stir, mixing time is 40min, mixing speed is 10rpm, last blowing fill, it is reduced the blade face resistance control agent of Brown Rice cadmium pollution, mixture A described in the present embodiment is made up of the raw material of following proportioning by weight: magnesium oxide 1 part, allantoin 0.1 part, zinc oxide 0.8 part, Borax 0.3 part, manganese oxide 0.4 part and ammonium molybdate 0.001 part.
Embodiment 4:
Only mixture A is changed into: magnesium oxide 1 part, allantoin 0.35 part, zinc oxide 0.65 part, Borax 0.5 part, manganese oxide 0.5 part and ammonium molybdate 0.002 part.Remaining is all with the description to embodiment 1 or 3.
Embodiment 5:
Only mixture B is changed into: 1 part of magnesium sulfate, allantoin 0.6 part, 0.5 part of zinc sulfate, Borax 0.3 part, manganese sulfate 0.3 part and ammonium molybdate 0.0015 part.Remaining is all with the description to embodiment 2.
Embodiment 6:
Only mixture B is changed into: 1 part of magnesium sulfate, allantoin 0.35 part, 0.65 part of zinc sulfate, Borax 0.4 part, manganese sulfate 0.4 part and ammonium molybdate 0.001 part.Remaining is all with the description to embodiment 2.
Embodiment 7:
Only plant growth regulator is used instead brassin 1.8g.Remaining is all with the description to embodiment 1.
Application examples 1:
It is the blade face resistance control dilution agent reducing Brown Rice cadmium pollution that first will be obtained by embodiment 1 or 4 or 7 with water, obtains diluent, then sprays rice leaf stage by stage with diluent.Described here spraying rice leaf stage by stage includes the three below stage: first stage is period of seedling establishment after Oryza sativa L. is in transplanting, due at this stage i.e. period of seedling establishment after transplanting, the strain of Oryza sativa L., stem and leaf are smaller, are thus suitable for by agricultural knapsack sprayer artificial spray；Second stage is that Oryza sativa L. is in tillering stage, and owing in this stage, plant is sturdy, stem and leaf increases and increases, and the instrument of sprinkling is preferably used big machine such as fog machine to spray or sprays (flivver is a kind of agricultural tools for spraying insecticide) with flivver；Three phases is that Oryza sativa L. is in boot stage, owing to reaching flourishing at this stage strain bar stem and leaf, thus suitably spray with big machine or spray with flivver, to avoid plant is damaged, the sprinkling of aforementioned three phases all should select at fine day or cloudy day, and precipitation weather can not spray.The consumption of the blade face resistance control agent reducing Brown Rice cadmium pollution in aforementioned first stage, second stage and three phases differs, and it is also different for constituting the water of diluent with the volume ratio of blade face resistance control agent, specifically, the consumption of the blade face resistance control agent in the first stage is every mu of 100g, the consumption of the blade face resistance control agent in second stage is every mu of 300g, and the consumption of the blade face resistance control agent in three phases is every mu of 300g.When aforesaid diluent is for the sprinkling of aforementioned first stage, then water is 500: 1 with the volume ratio of blade face resistance control agent；When diluent is for the sprinkling of aforementioned second stage, then water is 550: 1 with the volume ratio of blade face resistance control agent；When diluent is for the sprinkling of aforementioned three phases, then water is 700: 1 with the volume ratio of blade face resistance control agent.
Application examples 2:
It is the blade face resistance control dilution agent reducing Brown Rice cadmium pollution that first will be obtained by embodiment 2 or 5 or 6 with water, obtains diluent, then sprays rice leaf stage by stage with diluent.Described here spraying rice leaf stage by stage includes the three below stage: first stage is period of seedling establishment after Oryza sativa L. is in transplanting, due at this stage i.e. period of seedling establishment after transplanting, the strain of Oryza sativa L., stem and leaf are smaller, are thus suitable for by agricultural knapsack sprayer artificial spray；Second stage is that Oryza sativa L. is in tillering stage, and owing in this stage, plant is sturdy, stem and leaf increases and increases, and the instrument of sprinkling is preferably used big machine such as fog machine to spray or sprays (flivver is a kind of agricultural tools for spraying insecticide) with flivver；Three phases is that Oryza sativa L. is in boot stage, owing to reaching flourishing at this stage strain bar stem and leaf, thus suitably spray with big machine or spray with flivver, to avoid plant is damaged, the sprinkling of aforementioned three phases all should select at fine day or cloudy day, and precipitation weather can not spray.The consumption of the blade face resistance control agent reducing Brown Rice cadmium pollution in aforementioned first stage, second stage and three phases differs, and it is also different for constituting the water of diluent with the volume ratio of blade face resistance control agent, specifically, the consumption of the blade face resistance control agent in the first stage is every mu of 200g, the consumption of the blade face resistance control agent in second stage is every mu of 200g, and the consumption of the blade face resistance control agent in three phases is every mu of 500g.When aforesaid diluent is for the sprinkling of aforementioned first stage, then water is 400: 1 with the volume ratio of blade face resistance control agent；When diluent is for the sprinkling of aforementioned second stage, then water is 600: 1 with the volume ratio of blade face resistance control agent；When diluent is for the sprinkling of aforementioned three phases, then water is 600: 1 with the volume ratio of blade face resistance control agent.
Application examples 3:
It is the blade face resistance control dilution agent reducing Brown Rice cadmium pollution that first will be obtained by embodiment 3 with water, obtains diluent, then sprays rice leaf stage by stage with diluent.Described here spraying rice leaf stage by stage includes the three below stage: first stage is period of seedling establishment after Oryza sativa L. is in transplanting, due at this stage i.e. period of seedling establishment after transplanting, the strain of Oryza sativa L., stem and leaf are smaller, are thus suitable for by agricultural knapsack sprayer artificial spray；Second stage is that Oryza sativa L. is in tillering stage, and owing in this stage, plant is sturdy, stem and leaf increases and increases, and the instrument of sprinkling is preferably used big machine such as fog machine to spray or sprays (flivver is a kind of agricultural tools for spraying insecticide) with flivver；Three phases is that Oryza sativa L. is in boot stage, owing to reaching flourishing at this stage strain bar stem and leaf, thus suitably spray with big machine or spray with flivver, to avoid plant is damaged, the sprinkling of aforementioned three phases all should select at fine day or cloudy day, and precipitation weather can not spray.The consumption of the blade face resistance control agent reducing Brown Rice cadmium pollution in aforementioned first stage, second stage and three phases differs, and it is also different for constituting the water of diluent with the volume ratio of blade face resistance control agent, specifically, the consumption of the blade face resistance control agent in the first stage is every mu of 150g, the consumption of the blade face resistance control agent in second stage is every mu of 250g, and the consumption of the blade face resistance control agent in three phases is every mu of 400g.When aforesaid diluent is for the sprinkling of aforementioned first stage, then water is 450: 1 with the volume ratio of blade face resistance control agent；When diluent is for the sprinkling of aforementioned second stage, then water is 500: 1 with the volume ratio of blade face resistance control agent；When diluent is for the sprinkling of aforementioned three phases, then water is 800: 1 with the volume ratio of blade face resistance control agent.
(1) the strongest due to the animal migration of cadmium ion, minority enters the cadmium ion of branch stem and leaf must pass through foliage-spray, these cadmium ions could precipitate, fix, silicon is a kind of physiological action to the absorption mechanism of cadmium, silicon can also improve chlorophyll content, increase photosynthesis use, there is the effect of volume increase and disease and insect resistance.Calcium is the important element constituting plant cell wall, is the important component part of plant plasma membrane serves, and it also has the effect neutralizing acidity with removing toxic substances, and some harmful ions can be produced antagonistic action.Potassium has many effects to crop growth, and potassium can increase the turgescence of cell, makes guard cell's springiness of leaf pore, and opening of regulation pore is open and close.
(2), after Oryza sativa L. uses, brown rice can drop more than 80% containing cadmium.In prior art, the cadmium content by cadmium pollution is more than more than 0.3mg/kg, and as blade face resistance control agent or foliage fertilizer, after spraying, landing is a FAQs with the wind, uses the blade face resistance of the present invention to control agent, it is possible to reduce or even be substantially prevented from the generation of this situation.Can be bonded at after spraying on the leaf of Oryza sativa L., stem, branch, enter thin fertile absorption.After rice plant of tillering stage and young panicle formation stage spray, also helping Oryza sativa L. increases grain number per spike, mass of 1000 kernel, improves setting percentage, and Oryza sativa L. per mu yield increases by more than 6%.
(3) trace element needed for addition element ferrum, magnesium, zinc, boron, manganese and selenium are all Oryza sativa L. and other crops and beneficial element, although it is by Foliage Absorption nutrient, but effective equally with root absorption, and can more effectively regulate the activity of plant endoenzyme.Containing selenium rice, containing selenium agricultural product, anti-curing cancers, prevention and cure of cardiovascular disease there are is good effect, and product price can increase 10-30%.
(4) present invention has reduction Heavy Metal Pollution to crops such as the fruit tree beyond Oryza sativa L., vegetable, Folium Camelliae sinensis, Fructus Jujubae, Caulis Sacchari sinensis, Nicotiana tabacum L.s, improves the effect of quality and yield.After Fructus Mali pumilae sprays, sugariness increases one-level, and smooth surface does not has scab, and after Xinjiang Fructus Jujubae uses, cracking drops about 80%, and yield all improves more than 10%.General crop yield effect is all more than 5%, and some actors reach 30%.
(5), after this product uses, instant effect, utilization rate is high, and crop sprays latter 2-3 days and just can take effect.
Claims (10)
1. the blade face resistance control agent reducing Brown Rice cadmium pollution, it is characterised in that comprise in every liter of water: silicon dioxide 200-230g, potassium oxide 60-80g, calcium oxide 8-15g, selenium 1-2g, addition element ＜ 2g and plant growth regulator 1-2g.
The blade face resistance control agent of reduction Brown Rice cadmium pollution the most according to claim 1, it is characterised in that described silicon dioxide is water soluble silica；Described selenium is water soluble organic selenium.
The blade face resistance control agent of reduction Brown Rice cadmium pollution the most according to claim 1, it is characterised in that described addition element is the combination of any one or more of magnesium, manganese, zinc, ferrum and boron；Described plant growth regulator was the mixture A of 60-140 mesh sieve or was the mixture B of 60-140 mesh sieve or for brassin.
The blade face resistance control agent of reduction Brown Rice cadmium pollution the most according to claim 3, it is characterised in that described mixture A is made up of the raw material of following proportioning by weight: magnesium oxide 1 part, allantoin 0.1-0.6 part, zinc oxide 0.5-0.8 part, Borax 0.3-0.5 part, manganese oxide 0.3-0.5 part and ammonium molybdate 0.001-0.002 part；Described mixture B is made up of the raw material of following proportioning by weight: 1 part of magnesium sulfate, allantoin 0.1-0.6 part, zinc sulfate 0.5-0.8 part, Borax 0.3-0.5 part, manganese sulfate 0.3-0.5 part and ammonium molybdate 0.001-0.002 part.
5. the preparation method of the blade face resistance control agent of a reduction Brown Rice cadmium pollution as claimed in claim 1, it is characterized in that it is first to put into silicon dioxide 200-230g, potassium oxide 60-80g, calcium oxide 8-15g, selenium 1-2g, addition element ＜ 2g and plant growth regulator 1-2g successively by every liter of water in the container be furnished with agitating device, then open agitating device to stir, and control mixing time and control mixing speed, last blowing fill, is reduced the blade face resistance control agent of Brown Rice cadmium pollution.
The preparation method of the blade face resistance control agent of reduction Brown Rice cadmium pollution the most according to claim 5, it is characterized in that described control mixing time is to control mixing time to be 30-50min, described control mixing speed is to control mixing speed for 5-15rpm.
7. the using method of the blade face resistance control agent of a reduction Brown Rice cadmium pollution as claimed in claim 1, it is characterized in that it is first will to reduce the blade face resistance control dilution agent of Brown Rice cadmium pollution with water, obtain diluent, then with diluent, rice leaf is sprayed stage by stage.
The using method of the blade face resistance control agent of reduction Brown Rice cadmium pollution the most according to claim 7, it is characterised in that described sprinkling rice leaf stage by stage includes the three below stage: first stage is period of seedling establishment after Oryza sativa L. is in transplanting；Second stage is that Oryza sativa L. is in tillering stage；Three phases is that Oryza sativa L. is in boot stage, and the consumption of agent is controlled in the blade face resistance controlling the described reduction Brown Rice cadmium pollution in first stage, second stage and three phases and the water of the control described diluent of composition controls the volume ratio of agent with blade face resistance.
The using method of the blade face resistance control agent of reduction Brown Rice cadmium pollution the most according to claim 8, the consumption that it is characterized in that the blade face resistance control agent of the described reduction Brown Rice cadmium pollution in described control first stage, second stage and three phases is to control the consumption in the first stage for every mu of 100-200g, consumption in second stage controls to be every mu of 200-300g, and the consumption in three phases controls as 300-500g.
The using method of the blade face resistance control agent of reduction Brown Rice cadmium pollution the most according to claim 8, it is characterized in that the volume ratio of the described water and blade face resistance control agent controlling composition diluent refers to: when diluent is for the sprinkling of described first stage, then water and blade face hinder the volume ratio of control agent is 400-500: 1；When diluent is for the sprinkling of described second stage, then water is 500-600: 1 with the volume ratio of blade face resistance control agent；When diluent is for the sprinkling of described three phases, then water is 600-800: 1 with the volume ratio of blade face resistance control agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106431712A (en) * | 2016-11-14 | 2017-02-22 | 湖南省核农学与航天育种研究所 | Rice cadmium-reducing leaf fertilizer, preparation method thereof and application in rice planting |
| CN106495900A (en) * | 2016-11-09 | 2017-03-15 | 环保桥（湖南）生态环境修复有限公司 | Siliceous sulfur-rich blade face resistance control agent of a kind of doped selenium for suppressing Oryza sativa L. and vegetable enriching heavy metal and preparation method thereof |
| CN106688371A (en) * | 2016-12-02 | 2017-05-24 | 华中农业大学 | Seed soaking agent containing selenium for reducing cadmium content of swamp cabbage as well as preparation method and application |
| CN108675891A (en) * | 2018-08-29 | 2018-10-19 | 湖南农业大学 | A kind of new foliar fertilizer |
| CN108967442A (en) * | 2018-07-24 | 2018-12-11 | 广东省生态环境技术研究所 | A kind of modified selenium sol of ferrous iron and the preparation method and application thereof inhibiting the accumulation of rice cadmium arsenic |
| CN109220652A (en) * | 2018-09-26 | 2019-01-18 | 天津市农业质量标准与检测技术研究所 | A method of Brown Rice cadmium content is reduced using soil root system is adjusted |
| CN109485504A (en) * | 2018-12-18 | 2019-03-19 | 佛山市铁人环保科技有限公司 | A kind of foliar fertilizer and preparation method thereof obstructing Metal uptake |
| CN109534898A (en) * | 2018-12-18 | 2019-03-29 | 佛山市铁人环保科技有限公司 | A kind of method that corps leaf surface physiology barrier inhibits alleviation heavy metals in farmland pollution |
| CN109824438A (en) * | 2019-03-26 | 2019-05-31 | 江西省农业科学院土壤肥料与资源环境研究所 | Rice cadmium is enriched with inhibitor and its application technology |
| CN110294645A (en) * | 2019-04-18 | 2019-10-01 | 河南省诚建检验检测技术股份有限公司 | A kind of foliage spraying agent of wheat drop cadmium function |
| CN110746228A (en) * | 2019-12-09 | 2020-02-04 | 中国热带农业科学院分析测试中心 | Fertilizer suitable for rice and preparation method and application thereof |
| CN111995465A (en) * | 2020-09-04 | 2020-11-27 | 上海贯发海洋生物科技有限公司 | Heavy metal blocking agent, application and use method thereof |
| CN113603532A (en) * | 2021-08-13 | 2021-11-05 | 桂林集琦生化有限公司 | Biological nano organic selenium fertilizer for strengthening resistance and control of cadmium pollution of paddy on leaf surface |
| CN113845385A (en) * | 2021-08-02 | 2021-12-28 | 浙江省农业科学院 | Foliage resistance and control agent for reducing cadmium accumulation in rice and improving yield and use method thereof |
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| CN105080953A (en) * | 2015-08-26 | 2015-11-25 | 广东省农业科学院农业资源与环境研究所 | Nutritional type prevention and control agent for reducing content of Cd in rice and use method of nutritional type prevention and control agent |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106495900A (en) * | 2016-11-09 | 2017-03-15 | 环保桥（湖南）生态环境修复有限公司 | Siliceous sulfur-rich blade face resistance control agent of a kind of doped selenium for suppressing Oryza sativa L. and vegetable enriching heavy metal and preparation method thereof |
| CN106431712A (en) * | 2016-11-14 | 2017-02-22 | 湖南省核农学与航天育种研究所 | Rice cadmium-reducing leaf fertilizer, preparation method thereof and application in rice planting |
| CN106688371A (en) * | 2016-12-02 | 2017-05-24 | 华中农业大学 | Seed soaking agent containing selenium for reducing cadmium content of swamp cabbage as well as preparation method and application |
| CN108967442A (en) * | 2018-07-24 | 2018-12-11 | 广东省生态环境技术研究所 | A kind of modified selenium sol of ferrous iron and the preparation method and application thereof inhibiting the accumulation of rice cadmium arsenic |
| CN108675891A (en) * | 2018-08-29 | 2018-10-19 | 湖南农业大学 | A kind of new foliar fertilizer |
| CN109220652A (en) * | 2018-09-26 | 2019-01-18 | 天津市农业质量标准与检测技术研究所 | A method of Brown Rice cadmium content is reduced using soil root system is adjusted |
| CN109485504A (en) * | 2018-12-18 | 2019-03-19 | 佛山市铁人环保科技有限公司 | A kind of foliar fertilizer and preparation method thereof obstructing Metal uptake |
| CN109534898A (en) * | 2018-12-18 | 2019-03-29 | 佛山市铁人环保科技有限公司 | A kind of method that corps leaf surface physiology barrier inhibits alleviation heavy metals in farmland pollution |
| CN109824438A (en) * | 2019-03-26 | 2019-05-31 | 江西省农业科学院土壤肥料与资源环境研究所 | Rice cadmium is enriched with inhibitor and its application technology |
| CN110294645A (en) * | 2019-04-18 | 2019-10-01 | 河南省诚建检验检测技术股份有限公司 | A kind of foliage spraying agent of wheat drop cadmium function |
| CN110746228A (en) * | 2019-12-09 | 2020-02-04 | 中国热带农业科学院分析测试中心 | Fertilizer suitable for rice and preparation method and application thereof |
| CN111995465A (en) * | 2020-09-04 | 2020-11-27 | 上海贯发海洋生物科技有限公司 | Heavy metal blocking agent, application and use method thereof |
| CN111995465B (en) * | 2020-09-04 | 2022-07-19 | 上海贯发海洋生物科技有限公司 | Heavy metal blocking agent, application and use method thereof |
| CN113845385A (en) * | 2021-08-02 | 2021-12-28 | 浙江省农业科学院 | Foliage resistance and control agent for reducing cadmium accumulation in rice and improving yield and use method thereof |
| CN113603532A (en) * | 2021-08-13 | 2021-11-05 | 桂林集琦生化有限公司 | Biological nano organic selenium fertilizer for strengthening resistance and control of cadmium pollution of paddy on leaf surface |
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