CN106966817A - A kind of iron fertilizer for correcting citrus chlorosis and its preparation method and application - Google Patents

A kind of iron fertilizer for correcting citrus chlorosis and its preparation method and application Download PDF

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Publication number
CN106966817A
CN106966817A CN201710388780.5A CN201710388780A CN106966817A CN 106966817 A CN106966817 A CN 106966817A CN 201710388780 A CN201710388780 A CN 201710388780A CN 106966817 A CN106966817 A CN 106966817A
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China
Prior art keywords
citrus
iron fertilizer
chlorosis
vitamin
iron
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CN201710388780.5A
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Chinese (zh)
Inventor
陈巍
孙兴民
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Jiangsu Polytechnic College of Agriculture and Forestry
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Jiangsu Polytechnic College of Agriculture and Forestry
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Priority to CN201710388780.5A priority Critical patent/CN106966817A/en
Publication of CN106966817A publication Critical patent/CN106966817A/en
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    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05GMIXTURES 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
    • C05G3/00Mixtures of one or more fertilisers with additives not having a specially fertilising activity
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01CPLANTING; SOWING; FERTILISING
    • A01C21/00Methods of fertilising, sowing or planting
    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05DINORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
    • C05D9/00Other inorganic fertilisers
    • C05D9/02Other inorganic fertilisers containing trace elements
    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05GMIXTURES 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
    • C05G5/00Fertilisers characterised by their form
    • C05G5/20Liquid fertilisers
    • C05G5/23Solutions

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  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pest Control & Pesticides (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Fertilizers (AREA)

Abstract

The invention discloses a kind of iron fertilizer for correcting citrus chlorosis and its preparation method and application.The iron fertilizer contains ferrous sulfate, vitamin C and potassium fulvate using water as solvent;The ferrous sulfate accounts for 1 2%;The vitamin C accounts for 0.3 0.6%, and the potassium fulvate accounts for 0.03 0.05%.The invention also discloses its preparation method and application.The present invention is based on ferrous sulfate, and addition vitamin C and potassium fulvate auxiliary material are made into a kind of iron fertilizer certainly.The characteristics of this iron fertilizer is easily aoxidized for ferrous sulfate, addition vitamin C and potassium fulvate, not only delay ferrous ions oxidation, extend ferrous action time, moreover it is possible to effectively regulation plant physiology metabolism, reach correction Citrus leaf chlorosis, the effect of fruit quality is improved, the fine quality production of citrus is realized.

Description

A kind of iron fertilizer for correcting citrus chlorosis and its preparation method and application
Technical field
The present invention relates to a kind of fertilizer, and in particular to a kind of iron fertilizer of correction citrus chlorosis and its preparation method and application.
Background technology
Micronutrient element necessary to iron is plant, participates in photosynthesis, redox reaction and electronics in plant Numerous physiology course such as transmission and respiration.The whole world there are about 40% soil iron deficiency according to statistics, and China is mostly Area turns into one of physiological disturbance common in production of fruit trees with the presence of iron deficiency phenomenon, Chlorosis in Fruit trees chlorosis.Mandarine is produced Area is distributed in the poor mountain region of soil texture condition mostly, and leaching loss of nutrient is serious or nutrient hardly possible is presented because soil acidity or alkalinity is uncomfortable With the state of absorption, particularly in alkaline soils generally occur iron chlorosis chlorosis, drastically influence citrus growth and Fruit quality.
It is the major technique for correcting citrus iron chlorosis using iron fertilizer, wherein it is conventional control method, blade face to spray iron fertilizer Spray after iron fertilizer, blade slowly occurs mottled multiple green in several days.Due to cheap, feeding convenience, ferrous sulfate is as iron Important component when prepared by fertilizer, but ferrous sulfate is due to easily aoxidizing, so rectification effect is easily affected by environment.
The content of the invention
Goal of the invention:The problem of easily being aoxidized for prior art ferrous sulfate, the invention provides one kind correction The iron fertilizer of citrus chlorosis.It is a further object to provide its preparation method and application.
Technical scheme:The iron fertilizer of correction citrus chlorosis of the present invention, using water as solvent, contains ferrous sulfate, dimension Raw element C and potassium fulvate.
The present invention is based on ferrous sulfate, and addition vitamin C and potassium fulvate auxiliary material are made into a kind of iron fertilizer certainly.This iron The characteristics of fertilizer is easily aoxidized for ferrous sulfate, addition vitamin C and potassium fulvate, not only delay ferrous ions oxidation, extension two The action time of valency iron, moreover it is possible to effectively regulation plant physiology metabolism, correction Citrus leaf chlorosis is reached, the effect of fruit quality is improved Really, the fine quality production of citrus is realized.
The ferrous sulfate accounts for 1-2%.
The vitamin C accounts for 0.3-0.6%, and the potassium fulvate is accounted for 0.03-0.05%.
It is preferred that, the ferrous sulfate accounts for 1.4%.Weight percent shared by the vitamin C Than for 0.5%, the potassium fulvate accounts for 0.045%.
Present invention also offers the preparation method of the iron fertilizer of the correction citrus chlorosis.
The preparation method includes:Described ferrous sulfate, vitamin C and potassium fulvate are dispersed in water.
Present invention also offers application of the iron fertilizer in correction citrus chlorosis.
The application includes:Apply, childhood tree or bearing tree leave dual sides are sprayed, when spraying after citrus lamina Between be 10 AM before or at 4 points in afternoon after.
Compared with prior art, beneficial effects of the present invention are:
(1) the DTPA-Fe fall of iron fertilizer of the present invention is only FeSO in 72h431.2%-33.7%, it is anti-oxidant Effect is good.
(2) iron fertilizer increase Citrus leaf of the present invention and fruit DTPA-Fe are sprayed, blade and fruit are carried than control respectively High 26.4%-32.2% and 37.4-45.6%.
(3) iron fertilizer increase Citrus leaf chlorophyll a of the present invention and content of chlorophyll b are sprayed, is improved respectively than control 17.6%-22.4% and 25.7%-34.4%.
(4) citrusfruit soluble solid and soluble sugar content can be improved by spraying iron fertilizer of the present invention, respectively than control 1.33-1.84 and 1.27-1.82 percentage points are improved, fruit quality is improved.
Embodiment
With reference to specific embodiment, the present invention is furture elucidated, it should be understood that these embodiments are merely to illustrate the present invention Rather than limitation the scope of the present invention, after the present invention has been read, various equivalences of the those skilled in the art to the present invention The modification of form falls within the application appended claims limited range.
Embodiment 1
Content is formulated the iron fertilizer component according to the following percentages by weight:
Compound method:Ferrous sulfate, vitamin C and potassium fulvate are weighed by formula ratio, is added to the water one by one, is dissolved, Mix.
Embodiment 2
Content is formulated the iron fertilizer component according to the following percentages by weight:
Compound method:Ferrous sulfate, vitamin C and potassium fulvate are weighed by formula ratio, is added to the water one by one, is dissolved, Mix.
Embodiment 3
Content is formulated the iron fertilizer component according to the following percentages by weight:
Compound method:Ferrous sulfate, vitamin C and potassium fulvate are weighed by formula ratio, is added to the water one by one, is dissolved, Mix.
Embodiment 4
1st, in 72h the embodiment of the present invention 1 iron fertilizer and FeSO4The change of DTPA-Fe
Processing:Prepare iron fertilizer and FeSO4Solution (concentration is 1.4%), using micro-wave digestion, utilizes atomic absorption spectrophotometry light The iron fertilizer of the present invention and FeSO of degree meter respectively to 0h, 12h, 24h, 48h, 72h4DTPA-Fe be measured.
As a result referring to table 1.
Iron fertilizer and FeSO in the 72h of table 14The fall of DTPA-Fe
As a result show, the DTPA-Fe fall of iron fertilizer of the present invention is 23.39% in 72h, and FeSO4Effective iron Content fall is 68.48%.Illustrate that vitamin C and potassium fulvate have been obviously prolonged suppression ferrous ions oxidation, extend divalence The effective time of iron.
2nd, application of the iron fertilizer of the present invention on citrus
The basic fertility in orchard is organic matter 13.4g/kg, available nitrogen 52.7mg/kg, rapid available phosphorus 15.8mg/kg, available potassium 145.5mg/kg, effective iron 3.77mg/kg, pH value 7.43, examination material is 10 years raw satsuma oranges.
Processing:The FeSO of preparation 1.4%4As control, Vc, potassium fulvate are added respectively and is configured to FeSO4(concentration is+Vc 0.5%), FeSO4The iron fertilizer of+potassium fulvate (concentration is 0.045%) and example 1.50d starts foliage-spray after citrus fallen flowers, Spray 1 time, spray 3 times altogether, leave dual sides are sprayed and (sprayed untill blade face is dripped), spraying time 16 per 20d:After 00 point.Often locate 4 plants of reason, 3 repetitions.120d takes the no disease and pests harm measuring blade chlorophyll content given birth to then in the middle part of autumn growth after fallen flowers, while taking leaf Piece and fruit, iron content is determined after cleaning dries pulverizing, and the index of quality is determined in fruit picking actual measurement during fruit maturation.
The effective iron of satsuma orange and chlorophyll content of the different disposal of table 2
Note:There is significant difference (similarly hereinafter) between the different alphabetical expression processing of same column
The iron content for spraying ACTIVITY IN THE LEAVES OF SATSUMA and fruit after iron fertilizer of the present invention is significantly improved, the iron content of blade and fruit 125.22mg/kg and 12.86mg/kg are respectively reached, compares FeSO432.2% and 45.3% is respectively increased in processing.Spray the present invention Iron fertilizer can dramatically increase Citrus leaf chlorophyll content, and the chlorophyll a, b of iron fertilizer processing respectively reaches 2.46mg/l and 0.86mg/ L, compares FeSO4Processing is respectively increased 22.4%, 34.4%.Meanwhile, the satsuma orange iron content and leaf of iron fertilizer processing of the present invention Chlorophyll contents are above FeSO4+ Vc and FeSO4The processing of+potassium fulvate.
The Satsuma Fruitss quality of the different disposal of table 3
Foliage-spray iron fertilizer is remarkably improved Satsuma Fruitss soluble solid and soluble sugar content, can to fruit Titrable acid and Vc contents do not make significant difference.Iron fertilizer handles content of fruit soluble solids and soluble sugar has respectively reached 12.67% With 9.76%, 1.84 and 1.82 percentage points are improved than control respectively.Meanwhile, the satsuma orange of iron fertilizer processing of the present invention is soluble Solid content, soluble sugar and Vc contents are above FeSO4+ Vc and FeSO4The processing of+potassium fulvate.

Claims (8)

1. a kind of iron fertilizer for correcting citrus chlorosis, it is characterised in that using water as solvent, contain ferrous sulfate, vitamin C and Huang Rotten acid potassium.
2. the iron fertilizer of correction citrus chlorosis according to claim 1, it is characterised in that the weight shared by the ferrous sulfate Amount percentage is 1-2%.
3. the iron fertilizer of correction citrus chlorosis according to claim 2, it is characterised in that the weight shared by the ferrous sulfate It is 1.4% to measure percentage.
4. the iron fertilizer of correction citrus chlorosis according to claim 1, it is characterised in that the weight shared by the vitamin C Amount percentage is 0.3-0.6%, and the potassium fulvate accounts for 0.03-0.05%.
5. the iron fertilizer of correction citrus chlorosis according to claim 4, it is characterised in that the weight shared by the vitamin C It is 0.5% to measure percentage, and the potassium fulvate accounts for 0.045%.
6. application of the iron fertilizer in correction citrus chlorosis according to claim any one of 1-5.
7. application according to claim 6, it is characterised in that including:Applied after citrus lamina, to childhood tree or into Year, tree leave dual sides were sprayed, and spraying time is before 10 AM or after at 4 points in afternoon.
8. the preparation method of the iron fertilizer according to claim any one of 1-5, it is characterised in that including:By described sulfuric acid Ferrous, vitamin C and potassium fulvate are dispersed in water.
CN201710388780.5A 2017-05-27 2017-05-27 A kind of iron fertilizer for correcting citrus chlorosis and its preparation method and application Pending CN106966817A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108373390A (en) * 2018-05-28 2018-08-07 江苏农林职业技术学院 Iron fertilizer and its application method for citrus
CN112673879A (en) * 2021-01-14 2021-04-20 浙江省柑橘研究所 Correction method for iron-deficiency yellowing of citrus
CN113133358A (en) * 2021-05-24 2021-07-20 广东省农业科学院果树研究所 Application of lemon extract in improving vitamin E content of citrus fruits
CN113372142A (en) * 2021-05-31 2021-09-10 中国科学院合肥物质科学研究院 Preparation method of silicon-based ferrous fertilizer with high leaf surface adhesion and controllable release and prepared ferrous fertilizer
CN113481016A (en) * 2021-07-29 2021-10-08 海南金象云农业科技有限公司 Soil conditioner and preparation method and application thereof

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104892208A (en) * 2015-06-11 2015-09-09 中化化肥有限公司烟台作物营养与植物保护研究中心 Liquid compound trace element fertilizer and preparation method thereof

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104892208A (en) * 2015-06-11 2015-09-09 中化化肥有限公司烟台作物营养与植物保护研究中心 Liquid compound trace element fertilizer and preparation method thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
肖艳等: "不同铁制剂与施用方法对矫正花生缺铁黄化症的效果", 《土壤肥料》 *

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108373390A (en) * 2018-05-28 2018-08-07 江苏农林职业技术学院 Iron fertilizer and its application method for citrus
CN112673879A (en) * 2021-01-14 2021-04-20 浙江省柑橘研究所 Correction method for iron-deficiency yellowing of citrus
CN112673879B (en) * 2021-01-14 2021-10-15 浙江省柑橘研究所 Correction method for iron-deficiency yellowing of citrus
CN113133358A (en) * 2021-05-24 2021-07-20 广东省农业科学院果树研究所 Application of lemon extract in improving vitamin E content of citrus fruits
CN113133358B (en) * 2021-05-24 2021-11-26 广东省农业科学院果树研究所 Application of lemon extract in improving vitamin E content of citrus fruits
CN113372142A (en) * 2021-05-31 2021-09-10 中国科学院合肥物质科学研究院 Preparation method of silicon-based ferrous fertilizer with high leaf surface adhesion and controllable release and prepared ferrous fertilizer
CN113481016A (en) * 2021-07-29 2021-10-08 海南金象云农业科技有限公司 Soil conditioner and preparation method and application thereof

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