CN104788156A - Foliar fertilizer for reducing rice cadmium content - Google Patents
Foliar fertilizer for reducing rice cadmium content Download PDFInfo
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- CN104788156A CN104788156A CN201510090097.4A CN201510090097A CN104788156A CN 104788156 A CN104788156 A CN 104788156A CN 201510090097 A CN201510090097 A CN 201510090097A CN 104788156 A CN104788156 A CN 104788156A
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Abstract
The invention relates to a foliar fertilizer for reducing the rice cadmium content, and belongs to a foliar fertilizer for rice seedlings. A purpose of the present invention is mainly to solve the technical problems of cadmium content reduction resistance, not substantial yield increase, not strong plant disease resistance effect, and the like of the foliar fertilizer in the prior art. The technical scheme is characterized in that the foliar fertilizer comprises, by weight, 50 parts of amino acids, 0.6-1.0 part of organic selenium, 0.1-0.2 part of strontium nitride (Sr3N2), 8-12 parts of zinc sulfate (ZnSO4), 0.7-0.9 part of manganese sulfate, and 2-5 parts of potassium silicate, and the foliar fertilizer is applied before head sprouting. The foliar fertilizer of the present invention is mainly used in the field of agricultural production of rice.
Description
Technical field
The present invention relates to a kind of fertilizer, particularly a kind of foliage fertilizer reducing rice cadmium content.
Background technology
Foliage fertilizer sprays in farm crop blade surface according to the scarce nutritive element of farm crop, a kind of fertilizer type played a role by the absorption of blade.The blade of plant has upper and lower two-layer epidermis, is made up of epidermic cell, and there are cutin and wax layer in the outside of upper epidermis cell, can protect the functions such as the enforcement of the mesophyll cell under face tissue is photosynthetic, breathing, by the impact of extraneous unfavourable condition change; Blade surface also has many small pores, exercises the function of gaseous interchange.Research shows, stratum corneum is made up of a kind of Long carbon chain fatty acid polymer with hydroxyl and carboxyl, hydroxyl on the molecular gap of this polymkeric substance and molecule, carboxylated hydrophilic group can allow the aqueous solution penetrate in leaf, certainly, the pore of blade surface is that foliage fertilizer enters blade passage more easily.
At present, foliage fertilizer common on market does not reduce the function of crop cadmium content, or falls every poor effect.Also Shortcomings in raising crop disease-resistant evil ability, and can not promote that crop is to the absorption of healthy trace elements with household, also exists the space of improvement.And the time grasp sprayed is also important, and all do not relate in prior art.
Summary of the invention
The object of this invention is to provide a kind of foliage fertilizer that effectively can reduce rice cadmium content, rice yield can be improved, the reduction rice cadmium content of seedlings of cereal crops disease resistance ability can be strengthened.
The technical solution adopted for the present invention to solve the technical problems is: it comprises amino acid, organoselenium, strontium nitride (Sr3N2), zinc sulfate (ZnSO4), manganous sulfate, potassium silicate, wherein each component by weight (part) carry out proportioning and be: amino acid 50, organoselenium 0.6 ~ 1.0, strontium nitride (Sr3N2) 0.1 ~ 0.2, zinc sulfate (ZnSO4) 8 ~ 12, manganous sulfate 0.7 ~ 0.9, potassium silicate 2 ~ 5, described foliage fertilizer discharges before heading.
The present invention also can in component by weight (part) add potassium primary phosphate 20 ~ 25.
The present invention also can in component by weight (part) add saltpetre (KNO3) 3 ~ 8.
The present invention also can in component by weight (part) add boric acid 10 ~ 15.
The present invention also can in component by weight (part) add agricultural organosilicon permeate agent 1 ~ 5, by adopting agricultural organosilicon permeate agent to strengthen assimilation effect to foliage fertilizer.
The concentration of strontium nitride of the present invention (Sr3N2) is less than or equal to 1mg/L.
The concentration of zinc sulfate of the present invention (ZnSO4) is 0.6 ~ 1.5mg/L.
The concentration of saltpetre of the present invention (KNO3) is 3 ~ 5mg/L.
Organoselenium of the present invention can adopt organic chelated selenium.Described organoselenium can be combined with amino acid by bio-transformation by selenium or selenium and chelating amino acids formed.
The invention has the beneficial effects as follows: by using foliage fertilizer of the present invention, can effectively reduce rice cadmium content and output can being improved, strengthen the disease resistance ability of the seedlings of cereal crops by paddy, fall cadmium Cd and mend selenium Se benefit strontium Sr and achieve many things at one stroke.
Embodiment
Below in conjunction with embodiment, the present invention is described in further details.
Embodiment 1, the present invention it comprise amino acid, organoselenium, strontium nitride (Sr3N2), zinc sulfate (ZnSO4), manganous sulfate, potassium silicate, wherein each component by weight (part) carry out proportioning and be: amino acid 50, organoselenium 0.6 ~ 1.0, strontium nitride (Sr3N2) 0.1 ~ 0.2, zinc sulfate (ZnSO4) 8 ~ 12, manganous sulfate 0.7 ~ 0.9, potassium silicate 2 ~ 5, described foliage fertilizer discharges before heading.
Described organoselenium can be to be combined with amino acid by bio-transformation by selenium or selenium and chelating amino acids form.Strontium Sr is a kind of trace element of needed by human, has and prevents arteriosclerosis, prevents thrombotic function, can reduce the cadmium Cd content in rice, also makes the nutrition of rice abundanter simultaneously.When the content of selenium Se is 0.1mg/kg ~ 0.3mg/kg, effect is good; there is not the organ of Long-term Storage selenium Se in human body; selenium needed for body constantly should obtain the selenium of q.s from diet; the physiological function of balance to many organs, tissue of selenium concentration has important provide protection and promoter action, falls cadmium Cd and mends selenium Se benefit strontium Sr and achieve many things at one stroke.
Concrete recipe principle is as follows:
Effect in following three that adopt amino acid mainly to utilize it in growing process: 1) the supplementary source of organonitrogen nutrient; 2) sequestrant of metal ion, amino acid has the effect of complexing (chelating) metal ion, easily the moderate-element needed for plant and trace element (calcium, magnesium, iron, manganese, zinc, copper, molybdenum, boron, selenium etc.) are carried in plant materials, improve plant to the utilization ratio of various nutrient; 3) enzymatic preparation, amino acid is permeate agent and the catalyzer of the various enzyme of synthesis in plant materials, plant metabolism is played an important role, but, amino acid in soil easily by bacterial assimilation, decomposition, therefore should not use in soil as base manure, but make foliar nutrient, be sprayed on blade and allow plant directly by Foliage Absorption amino acid and other elements.
Of the present invention fall every mechanism as follows: because be adopt the mode of foliage fertilizer to discharge before heading, preferably within 3-5 days before heading, discharge.Therefore the trace element such as selenium Se and strontium Sr carries out root system and the cauline leaf of rice seedling in advance before paddy grouting, particularly because selenium Se wherein and strontium Sr element and cadmium Cd unit have avidity, thus make cadmium Cd ion enter rice seedling root system part or will by selenium Se and strontium Sr element be affine is adsorbed in root system and cane in cane moving process, show by experiment: selenium Se or strontium Sr is used alone effect and combines make to make good use of not as good as both, both combine its efficiency of use and improve a lot, thus more effectively can block cadmium Cd ion and move to seed in rice milking stage process, simultaneously, cadmium content in cereal reduces along with the marginal increase of the content of zinc, when zinc concentration is equal to or greater than the concentration of cadmium, the cadmium content of plant obviously reduces, finally reach make paddy particle cadmium Cd effect is effectively fallen.
Embodiment 2, the concentration of strontium nitride of the present invention (Sr3N2) is less than or equal to 1mg/L.The content of strontium Sr element is too much unsuitable, should control within the specific limits, otherwise can be caused disadvantageous effect by human body Excess free enthalpy.All the other are with embodiment 1.
Embodiment 3, the concentration of zinc sulfate of the present invention (ZnSO4) is 0.6 ~ 1.5mg/L.Concentration is better effects if when 0.8 mg/L or 1.2 mg/L, can be plant and supplements zinc element, improves the disease resistance ability of plant.Research shows by experiment: when zinc concentration is between 20 ~ 80 μm of ol, the cadmium content in cereal reduces along with the marginal increase of the content of zinc, and when zinc concentration is equal to or greater than the concentration of cadmium, the cadmium content of plant obviously reduces.All the other same above-described embodiments.
Embodiment 4, the present invention also can in component by weight (part) add potassium primary phosphate 20 ~ 25.Potassium primary phosphate is a kind of without chlorine phospho potash complex fertilizer, and nutrient content is high, has good senseless and chemical stability, the chemical fertilizer that current salt index is minimum, to crop safety, can not burn blade and root, can be used for the nutritive medium of leaf dressing and soilless culture.Potassium primary phosphate is everlasting the foliage spray of plant growth middle and later periods, and fast repairing uses the phosphorus potash fertilizer that thing is badly in need of as, has and significantly increases grain crop weight, oil recovery enhancement, increase yield, promotes precocious, and increase resistance against diseases, wheat also has hot-dry wind tolerance effect.Spray the short precocious volume increase of potassium primary phosphate significant, working concentration is generally 0.1-0.2%, also can reach 6% pair of crop safety.Rice yield is can further improve by adding potassium primary phosphate.
Embodiment 5, the present invention also can in component by weight (part) add saltpetre (KNO3) 3 ~ 8.The concentration of described saltpetre (KNO3) preferably adopts 3 ~ 5mg/L.Concentration is better effects if at 3.9 mg/L or 4.3 mg/L, and saltpetre is that it belongs to binary compound fertilizer without chlorine potassium, nitrogen composite fertilizer material.The total content of nutrient for plants potassium, nitrogen can reach about 50%, has good physicochemical property.It is high that saltpetre has fertilizer efficiency, easily absorbs, and also can play the effect of anti-bacteria while supplementing potassium element for plant.All the other same above-described embodiments.
Embodiment 6, the present invention also can in component by weight (part) add boric acid 10 ~ 15.The physiological action of boron in plant is roughly divided into following several respects: participate in metabolism and the transport of making sugar in object; Suppress the biosynthesizing of phenolic compound and xylogen; Promote the growth of pollen germination and pollen tube; Promote growing of seed and fruit; Affect cell fission, differentiation, maturation; The metabolism of involved in plant auxins hormone; Promote that plant is to the picked-up of calcium.Boron can also strengthen the effect of the drought resisting of crop, resistance against diseases and promotion crop precocity.Determine that crop needs the best way of boron to be by soil testing or fabric analysis, use test find according to domestic boron fertilizer for many years, for boron fertilizer sensitive crop, using boron fertilizer volume increase can reach about 20%, to other crops, uses boron fertilizer volume increase and also can reach about 10%.Because the present invention adopts foliage-spray, therefore mainly adopt boric acid aqueous solution.
The present invention also can adopt industrial borax to substitute; Generally employing 0.2% borax solution or use 0.1%Solubor.
Embodiment 7, the present invention also can in component by weight (part) add agricultural organosilicon permeate agent 1 ~ 5, by adopting agricultural organosilicon permeate agent to strengthen assimilation effect to foliage fertilizer.Described agricultural organosilicon permeate agent mainly because of its good dispersity, absorb fast, foliage fertilizer is made to be comparatively fast plant absorption, avoid fertilizer to enter soil to be fixed conversion, the energy photosynthesis of reinforced blade and the vigor of root, in the life-span of energy extension function blade, promote root system metabolism, reach raising output, the object of oil recovery enhancement, improves the nutrition needed for plant-growth fast.All the other same above-described embodiments.
In the above-described embodiments, can by embodiment 1 and embodiment 2-7 any one or severally to combine.Thus, be combined into the embodiment of multiple formulations ratio.
Also appropriate titanium, iron, molybdenum, magnesium etc. can be added to the trace element having human body useful in the present invention.The concrete material of the trace element such as titanium, iron, molybdenum, magnesium can be selected as required.
Claims (10)
1. reduce a foliage fertilizer for rice cadmium content, it is characterized in that: it comprises amino acid, organoselenium, strontium nitride (Sr3N2), zinc sulfate (ZnSO
4), manganous sulfate, potassium silicate, wherein each component by weight (part) carry out proportioning and be: amino acid 50, organoselenium 0.6 ~ 1.0, strontium nitride (Sr3N2) 0.1 ~ 0.2, zinc sulfate (ZnSO
4) 8 ~ 12, manganous sulfate 0.7 ~ 0.9, potassium silicate 2 ~ 5, described foliage fertilizer discharges before heading.
2. reduce the foliage fertilizer of rice cadmium content according to claim 1, it is characterized in that (part) adds potassium primary phosphate 20 ~ 25 by weight in component.
3. reduce the foliage fertilizer of rice cadmium content according to claim 1, it is characterized in that (part) adds saltpetre (KNO by weight in component
3) 3 ~ 8.
4. reduce the foliage fertilizer of rice cadmium content according to claim 1, it is characterized in that (part) adds boric acid 10 ~ 15 by weight in component.
5. reduce the foliage fertilizer of rice cadmium content according to claim 1, it is characterized in that (part) adds agricultural organosilicon permeate agent 1 ~ 5 by weight in component, by adopting agricultural organosilicon permeate agent to strengthen the assimilation effect to foliage fertilizer.
6. reduce the foliage fertilizer of rice cadmium content according to claim 1, it is characterized in that: described strontium nitride (Sr
3n
2) concentration be less than or equal to 1mg/L.
7. reduce the foliage fertilizer of rice cadmium content according to claim 1, it is characterized in that: described zinc sulfate (ZnSO
4) concentration be 0.6 ~ 1.5mg/L.
8. reduce the foliage fertilizer of rice cadmium content according to claim 1, it is characterized in that: described saltpetre (KNO
3) concentration be 3 ~ 5mg/L.
9. reduce the foliage fertilizer of rice cadmium content according to claim 1, it is characterized in that: described organoselenium adopts organic chelated selenium.
10. reduce the foliage fertilizer of rice cadmium content according to claim 1, it is characterized in that: described organoselenium is combined with amino acid by bio-transformation by selenium or selenium and chelating amino acids is formed.
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| CN201510090097.4A CN104788156A (en) | 2015-02-27 | 2015-02-27 | Foliar fertilizer for reducing rice cadmium content |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105272493A (en) * | 2015-10-31 | 2016-01-27 | 黄尚勋 | Synthesis production method of nitro water-soluble fertilizer |
| 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 |
| CN106631366A (en) * | 2016-11-08 | 2017-05-10 | 佛山市铁人环保科技有限公司 | Selenium-enriched cadmium-reducing foliar silicon fertilizer and preparation method and application thereof |
| CN106804353A (en) * | 2015-11-30 | 2017-06-09 | 湖南安邦新农业科技股份有限公司 | The method of heavy metal cadmium content in a kind of zinc fertilizer reduction rice of use blade face |
| CN107857663A (en) * | 2017-12-20 | 2018-03-30 | 农业部环境保护科研监测所 | Foliar fertilizer of cadmium content and preparation method thereof in a kind of reduction rice |
| CN108101676A (en) * | 2017-11-27 | 2018-06-01 | 中农硒科富硒农业技术研究院（北京）有限公司 | The nanometer selenium of plantation and the preparation method of other multielements volume increase flushing liquor |
| CN108480376A (en) * | 2018-04-09 | 2018-09-04 | 天津市漫森活果蔬种植有限公司 | A method of carrying out urban landscaping using heavy-metal contaminated soil |
| CN108675891A (en) * | 2018-08-29 | 2018-10-19 | 湖南农业大学 | A kind of new foliar fertilizer |
| 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 |
| CN110467502A (en) * | 2019-09-02 | 2019-11-19 | 农业农村部环境保护科研监测所 | A kind of foliage fertilizer formulation that Cd concentration of brown rice is effectively reduced and its method of administration |
| CN111567262A (en) * | 2020-05-15 | 2020-08-25 | 南京农业大学 | Chinese cabbage heavy metal blocking agent and using method thereof |
| CN112616835A (en) * | 2020-12-30 | 2021-04-09 | 陈浩 | Compound cadmium reduction preparation and application thereof in reducing content of heavy metal cadmium in rice and wheat grains |
| 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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| CN1385405A (en) * | 2001-05-15 | 2002-12-18 | 中国科学院南京土壤研究所 | Selenium-enriched foliage fertilizer for pady rice and preparation process thereof |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105272493A (en) * | 2015-10-31 | 2016-01-27 | 黄尚勋 | Synthesis production method of nitro water-soluble fertilizer |
| CN106804353A (en) * | 2015-11-30 | 2017-06-09 | 湖南安邦新农业科技股份有限公司 | The method of heavy metal cadmium content in a kind of zinc fertilizer reduction rice of use blade face |
| CN106631366A (en) * | 2016-11-08 | 2017-05-10 | 佛山市铁人环保科技有限公司 | Selenium-enriched cadmium-reducing foliar silicon fertilizer and preparation method and application 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 |
| CN108101676A (en) * | 2017-11-27 | 2018-06-01 | 中农硒科富硒农业技术研究院（北京）有限公司 | The nanometer selenium of plantation and the preparation method of other multielements volume increase flushing liquor |
| CN107857663A (en) * | 2017-12-20 | 2018-03-30 | 农业部环境保护科研监测所 | Foliar fertilizer of cadmium content and preparation method thereof in a kind of reduction rice |
| CN108480376A (en) * | 2018-04-09 | 2018-09-04 | 天津市漫森活果蔬种植有限公司 | A method of carrying out urban landscaping using heavy-metal contaminated soil |
| CN108675891A (en) * | 2018-08-29 | 2018-10-19 | 湖南农业大学 | A kind of new foliar fertilizer |
| 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 |
| CN110467502A (en) * | 2019-09-02 | 2019-11-19 | 农业农村部环境保护科研监测所 | A kind of foliage fertilizer formulation that Cd concentration of brown rice is effectively reduced and its method of administration |
| CN111567262A (en) * | 2020-05-15 | 2020-08-25 | 南京农业大学 | Chinese cabbage heavy metal blocking agent and using method thereof |
| CN111567262B (en) * | 2020-05-15 | 2022-04-08 | 南京农业大学 | Chinese cabbage heavy metal blocking agent and using method thereof |
| CN112616835A (en) * | 2020-12-30 | 2021-04-09 | 陈浩 | Compound cadmium reduction preparation and application thereof in reducing content of heavy metal cadmium in rice and wheat grains |
| 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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Application publication date: 20150722 |