CN106342448A - Vegetable seed coating process - Google Patents

Vegetable seed coating process Download PDF

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Publication number
CN106342448A
CN106342448A CN201610717044.5A CN201610717044A CN106342448A CN 106342448 A CN106342448 A CN 106342448A CN 201610717044 A CN201610717044 A CN 201610717044A CN 106342448 A CN106342448 A CN 106342448A
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CN
China
Prior art keywords
coating
seed
vegetable seeds
seeds
vegetable
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
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CN201610717044.5A
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Chinese (zh)
Inventor
徐金蝶
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Individual
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Individual
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Priority to CN201610717044.5A priority Critical patent/CN106342448A/en
Publication of CN106342448A publication Critical patent/CN106342448A/en
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Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01C—PLANTING; SOWING; FERTILISING
    • A01C1/00—Apparatus, or methods of use thereof, for testing or treating seed, roots, or the like, prior to sowing or planting
    • A01C1/06—Coating or dressing seed
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/34—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
    • A01N43/36—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom five-membered rings
    • A01N43/38—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom five-membered rings condensed with carbocyclic rings
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
    • A01N65/08—Magnoliopsida [dicotyledons]
    • A01N65/22—Lamiaceae or Labiatae [Mint family], e.g. thyme, rosemary, skullcap, selfheal, lavender, perilla, pennyroyal, peppermint or spearmint
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05C—NITROGENOUS FERTILISERS
    • C05C3/00—Fertilisers containing other salts of ammonia or ammonia itself, e.g. gas liquor
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
    • C05D9/00—Other inorganic fertilisers
    • C05D9/02—Other inorganic fertilisers containing trace elements
    • 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
    • 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
    • C05G3/60—Biocides or preservatives, e.g. disinfectants, pesticides or herbicides; Pest repellants or attractants

Abstract

The invention provides a vegetable seed coating process, which comprises the following steps that S10, vegetable seeds are poured into a container with a smooth inner wall, and a proper number of binding agents are sprayed so that the seed surfaces are wet; S30, chitosan is added, so that the chitosan is uniformly bonded on the seed surfaces; the operation is repeated for 3 to 4 times in such a way until the coating layer is 0.4mm to 0.6mm; S50, a plant growth regulating agent and a microelement substance with the mass ratio of 1:1 are added; the container is shaken so that coating materials are uniformly bonded onto the seed surfaces; then, plant extracting liquid and a bonding agent with the mass ratio of 3:1 are uniformly sprayed; then, the seeds are placed in the shade to be dried under the ventilation condition. The method for coating vegetable seeds has the advantages that the adhesiveness of a coating agent is greatly enhanced; after seeding, the coating agent expands through absorption when meeting water but is hardly dissolved; effective ingredients are slowly and orderly released; the effects of the coating agent are achieved to the greatest degree.

Description

A kind of art for coating of vegetable seeds
Technical field
The present invention relates to technical field of agricultural product process, particularly to a kind of art for coating of vegetable seeds.
Background technology
China human mortality is numerous, and food problem is one of top-priority problem, and the ups and downs of therefore agricultural are related to country Stable.And the correct process of excellent seed and seed is the premise of agricultural foison.The former achieves significant progress in China, And the latter shoulders heavy responsibilities.
Originally, peasant the process of seed is basked seeds using water seed soaking, daylight, inorganic lime water or copper sulfate solution The simple and easy methods such as seed soaking, but take expenses for medicine expenses of labour money, and effect on driving birds is not good.Using the method for coating, seed was processed later.It It is the different physiological propertys according to crop seeds, seedling, by a kind of special agent after scientific formula, retrofit with people Work or mechanical means directly or are coated on, after dilution, the method that the surface of the seed promotes plant growth with this.With seed soaking, seed dressing, vexed Kind compare, seed pelleting has the advantages of efficacy of a drug lasting period length, a medicine multiple-effect, water conservation drought resisting and extensive on proportion of crop planting Use, particularly on growing vegetables.
Prior art coating method is single, mainly adopts isotypy coating, after component each in coating materials is sufficiently mixed all It is wrapped in the surface of the seed, after planting effective ingredient runs off under Physical penetration mechanism naturally evenly.Although method is simple, medicine, The effective ingredient such as fertilizer run off too fast；And filming performance is bad, expulsion rate is high, water suction dissolving, and its main component is mostly The polymer substance of synthetic, high cost is it is difficult to natural degradation.
Therefore find that a kind of tack is strong, effective active composition can be made to continue and delay according to concentration set in advance and time Slowly it is discharged in environment, reaches raising active component utilization ratio, the coating method extending action time is current when business Anxious.
Content of the invention
The main object of the present invention is to solve the above problems, propose a kind of simple to operate, tack is strong, more can play The art for coating of the vegetable seeds of effective ingredient.
The present invention proposes a kind of art for coating of vegetable seeds, comprises the steps:
S10, vegetable seeds is poured in the container of inner wall smooth, and spraying suitable amount of adhesive makes the surface of the seed moisten；
S30, adds shitosan so as to uniformly adhere to the surface of the seed, so repeats 34 times, to coated layer 0.4mm 0.6mm；
S50, adds the plant growth regulator that mass ratio is 1:1 and microelement substance, swaying container makes capsulating material Uniformly adhere to the surface of the seed, more uniformly spray into the plant extraction liquid that mass ratio is 3:1 and binding agent, be placed in air duct slats afterwards Under part, drying is dried in the shade.
Preferably, plant extraction liquid described in step s50 is prepared by following methods: by Herba Rosmarini Officinalis, Radix Sophorae Flavescentiss, Herba Sophorae alopecuroidiss, Ultra-pure water mixes by weight for 1:1:1:50, then soaks 24 hours, then cohobation 2 hours under the conditions of 80 90 DEG C, After being cooled to 40 DEG C of filtrations, filtrate is as plant extraction liquid.
Preferably, the sodium alginate aqueous solution that described adhesive is 1% 1.5% for concentration.
Preferably, microelement substance described in step s50 is boric acid, zinc sulfate, ferrous sulfate, manganese sulfate, ammonium molybdate One or more of.
Preferably, plant growth regulator described in step s50 is one of naphthalene acetic acid, heteroauxing or two kinds.
The technique that the present invention is coated to vegetable seeds, makes the tack of coating materials greatly enhance, can be firmly attached On vegetable seeds surface, meet water nature film forming, the infringement to seed for the antibacterial and virus in blocking-up soil, improve the disease-resistant of seed Ability.After kind lower, meet water imbibition but almost do not dissolve, and form a barrier around vegetable seeds, with the sprouting of seed, Germination, seedling, effective ingredient slowly discharges in order, and is transmitted to seedling each several part by Root Absorption, substantially prolongs in component Each effective ingredient activity, plays effect of coating materials to greatest extent.And the coating materials itself prepared by the method are nontoxic, can Biodegradation, it can be avoided that the pollution that farm chemical ingredients bring, thus there is good popularization and development prospect.
Specific embodiment
It should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention Scope.
The present invention proposes a kind of art for coating of vegetable seeds, and it comprises the steps:
S10, vegetable seeds is poured in the container of inner wall smooth, and spraying suitable amount of adhesive makes the surface of the seed moisten；
S30, adds shitosan so as to uniformly adhere to the surface of the seed, so repeats 34 times, to coated layer 0.4mm 0.6mm；
S50, adds the plant growth regulator that mass ratio is 1:1 and microelement substance, swaying container makes capsulating material Uniformly adhere to the surface of the seed, more uniformly spray into the plant extraction liquid that mass ratio is 3:1 and binding agent, be placed in air duct slats afterwards Under part, drying is dried in the shade.
It should be noted that the vegetable seeds after coating never tans by the sun under the sun, prevent seed rupture and temperature too high And so that coating materials was lost efficacy.The vegetable dried is coated seed and can be used for sowing, and also can place a few days to one week, standing time is long Germination can be affected.
Further, plant extraction liquid described in step s50 is prepared by following methods: by Herba Rosmarini Officinalis, Radix Sophorae Flavescentiss, bitter bean Son, ultra-pure water mix by weight for 1:1:1:50, then soak 24 hours, then distill 2 hours in 80 90 DEG C of infinite refluxs, fall After temperature filters to 40 DEG C, filtrate is as plant extraction liquid.
Using the coating method of the present invention, while reduces cost, optimize the technological process of coating further, accelerate The scale process of vegetable seeds processing.Vegetable seeds after this technique coating, good stress resistance, activity is higher.Coating material Form the protective barrier of preventing disease pest control in soil, and play work by being transmitted to plant Herb after vegetable crop emerges With the drug effect phase was up to 40 60 days.Trace element needed for this technique has compounded vegetable growth simultaneously and plant growth regulator, Promote vegetable crop root system development.And due to film-coated adsorption, decrease loss, extend fertilizer efficiency, improve profit With rate, thus promoting the growth of seedling.
Concrete principle is as follows:
Shitosan is the deacetylated product of chitin, and its chemical name is poly- β-(Isosorbide-5-Nitrae) -2- amino -2- deoxidation-d- Portugal Grape sugar.Shitosan makes plant performance go out special biostimulation behavior by activating plant cell, is produced by causing gene activation Raw fungal antibody is thus have the antibacterial activity of wide spectrum.Macroscopically showing as strengthening the growth of the crops such as root system of plant, stem and leaf Develop, increase yield, opposing plant disease etc..Meanwhile, it can make the Zinc fractions flco near seed as flocculant, Medicine, fertilizer are fixed in flco, so that medicine, fertile rate of release is consistent with vegetable crop infiltration rate, coating effect is made from vegetable The germination period of thing extends to whole trophophase, promotes plant growing.
In the present embodiment, plant extraction liquid be Herba Rosmarini Officinalis, Radix Sophorae Flavescentiss, the extract of Herba Sophorae alopecuroidiss, for preventing and treating vegetable crop Seedling Phase root disease, insect pest.Test shows, its highest can make vegetable crop volume increase 15%, and has nuisanceless, insect protected protection effect The advantages of good.
Plant growth regulator is one of naphthalene acetic acid, heteroauxing or two kinds.It can activate vegetable crop physiology Function, breaks seed dormancy, promotes seed to sprout, and strengthens seed vitality not only to vegetable sprout term damping-off, damping off, droop There is favorable effect etc. disease, and seedling planting percent is high, seedling is neatly short strong, well developed root system, strong stress resistance.
Microelement substance is one or more of boric acid, zinc sulfate, ferrous sulfate, manganese sulfate, ammonium molybdate.It can be Vegetable seeds provides zinc, ferrum, manganese, molybdenum etc. to grow indispensable trace element, the carbohydrate in vegetable crop body Synthesis is played an important role with conversion, can promote the photosynthesis of vegetable plant, accelerates the breathing of vegetable crop cell, or Contact agent in oxidation-reduction process, promotes the synthesis of auxin in plant.After forming coating materials, formed around vegetable seeds One " little trace element storehouse ", slow release of trace elements, need for seedling development.May also operate as the effect of seed manure, Promote seedling development.
The sodium alginate aqueous solution that binding agent is 1% 1.5% for concentration.It is a kind of natural polysaccharide, good bonding Agent, it sticks to rapid film-forming on vegetable seeds, meets water imbibition but does not almost dissolve, and controls coating materials active substance slow Release.
Embodiment 1:
S10, takes 2 kilograms of tomato seeds to pour in the container of inner wall smooth, spray concentration be 1.2% sodium alginate water-soluble Liquid 40g, makes tomato seeds surface wettability；
S30, adds 300g shitosan so as to uniformly adhere to tomato seeds surface, is so repeated 3 times, to coated layer 0.4mm；
S50, adds the mixture 15g of heteroauxing 15g, boric acid and manganese sulfate, swaying container makes capsulating material uniform Adhere to tomato seeds surface, more uniformly spray into plant extraction liquid 120g, concentration be 1.2% sodium alginate aqueous solution 40g, it After be placed under ventilation condition drying and dry in the shade.
Embodiment 2:
S10, takes 2 kilograms of cucumber seeds to pour in the container of inner wall smooth, spray concentration is 1% sodium alginate aqueous solution 100g, makes cucumber seeds surface wettability；
S30, adds 580g shitosan so as to uniformly adhere to cucumber seeds surface, is so repeated 4 times, to coated layer 0.5mm；
S50, adds the mixture 10g of naphthalene acetic acid 10g, zinc sulfate and ferrous sulfate, swaying container makes capsulating material uniform Adhere to cucumber seeds surface, more uniformly spray into plant extraction liquid 300g, concentration be 1% sodium alginate aqueous solution 100g, It is placed in drying under ventilation condition afterwards to dry in the shade.
Embodiment 3:
S10, takes 2 kilograms of pepper seeds to pour in the container of inner wall smooth, spray concentration be 1.5% sodium alginate water-soluble Liquid 80g, makes pepper seed surface wettability；
S30, adds 600g shitosan so as to uniformly adhere to pepper seed surface, is so repeated 3 times, to coated layer 0.6mm；
S50, adds the mixture 12g of naphthalene acetic acid and heteroauxing mixture 12g, ammonium molybdate, boric acid and manganese sulfate, sways Container makes capsulating material uniformly adhere to pepper seed surface, more uniformly spray into plant extraction liquid 240g, concentration is 1.5% Sodium alginate aqueous solution 80g, is placed in drying under ventilation condition afterwards and dries in the shade.
Compliance test result:
1st, plate culture surveys protection effect.Seed pendulum after the embodiment of the present invention 13 being coated in aseptic operation box Enter in ware, every one process of ware, put 10 seeds, three repetitions, be put in culture in l DEG C of incubator of t=27 scholar, check within the 5th day Whether grow mycelia in culture medium around seed, judge whether chemical control kind disease carrying germ is effective with this.The results are shown in Table 1.
2nd, moisture absorption culture method surveys potentiality of seed and germination percentage.Every ware is processed as one, puts 100 seeds, three times Repeat, l DEG C of cultivation temperature t=27 scholar, survey within the 6th day germinating energy, survey germination percentage within the 12nd day.The results are shown in Table 2.
3rd, the upright sproutung method of glass plate surveys seed vigor.Every glass plate is processed as one, every 50 seeds of board placing, and three Secondary repetition, 1 DEG C of cultivation temperature t=27 scholar, after 6 days, survey seed Seedling length, root are long, calculate field run plant rate (strong sprout rate+weak seedling rate) With abnormal Seedling rate etc..The results are shown in Table 3.
It should be understood that test carrying out in June 2016 January in 2016, all survey datas are all three weights Multiple meansigma methodss.
Result of the test:
Table 1: seed protection effect
Every ware clump count Preventive effect (%)
Blank 69 0
Embodiment 1 5 92.8
Embodiment 2 2 97.1
Embodiment 3 7 89.9
Table 2: germination situation
Table 3: seed vigor situation
Blank Embodiment 1 Embodiment 2 Embodiment 3
Seedling length (cm) 2.32 2.58 2.88 2.63
Root length (cm) 5.37 5.42 5.65 5.58
Whole strain is long (cm) 7.24 7.15 8.25 7.98
Strong sprout rate (%) 12.67 18.33 25.33 17.79
Weak seedling rate (%) 32.67 28.56 25.99 27.38
Field run plant rate (%) 58 74 92 82
Abnormal Seedling rate (%) 42 26 8 18
Data explanation in table, using the coated vegetable seeds of present invention process, preventive effect is good, has good antibacterial, sterilization Effect, compared with blank control group, diseases prevention rate, germination percentage, seed vitality all have a more substantial increase, and illustrate that effective ingredient obtains More preferable performance.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all spirit in the present invention and Within principle, any modification, equivalent substitution and improvement made etc., should be included within the scope of the present invention.

Claims (5)

1. a kind of art for coating of vegetable seeds is it is characterised in that comprise the steps:
S10, vegetable seeds is poured in the container of inner wall smooth, and spraying suitable amount of adhesive makes the surface of the seed moisten；
S30, adds shitosan so as to uniformly adhere to the surface of the seed, so repeats 34 times, to coated layer 0.4mm 0.6mm；
S50, adds the plant growth regulator that mass ratio is 1:1 and microelement substance, swaying container makes capsulating material uniform Adhere to the surface of the seed, more uniformly spray into the plant extraction liquid that mass ratio is 3:1 and binding agent, be placed in afterwards under ventilation condition Drying is dried in the shade.
2. the art for coating of vegetable seeds as claimed in claim 1 is it is characterised in that plant extraction liquid described in step s50 Prepared by following methods: by Herba Rosmarini Officinalis, Radix Sophorae Flavescentiss, Herba Sophorae alopecuroidiss, ultra-pure water by weight for 1:1:1:50 mixing, then soak 24 Hour, then cohobation 2 hours under the conditions of 80 90 DEG C, after being cooled to 40 DEG C of filtrations, filtrate is as plant extraction liquid.
3. the art for coating of vegetable seeds as claimed in claim 1 or 2 is it is characterised in that described adhesive for concentration is 1% 1.5% sodium alginate aqueous solution.
4. the art for coating of vegetable seeds as claimed in claim 1 or 2 is it is characterised in that trace element described in step s50 Material is one or more of boric acid, zinc sulfate, ferrous sulfate, manganese sulfate, ammonium molybdate.
5. the art for coating of vegetable seeds as claimed in claim 1 or 2 is it is characterised in that plant growing described in step s50 Regulator is one of naphthalene acetic acid, heteroauxing or two kinds.
CN201610717044.5A 2016-08-24 2016-08-24 Vegetable seed coating process Pending CN106342448A (en)

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Application Number Priority Date Filing Date Title
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108244105A (en) * 2018-01-17 2018-07-06 安徽省华禾种业有限公司 A kind of vegetable seeds coating agent and preparation method thereof
CN108496779A (en) * 2018-04-10 2018-09-07 东北师范大学 A kind of bog recovery preparation method of bog moss brood body
EP4206167A1 (en) * 2021-12-31 2023-07-05 SABIC Global Technologies, B.V. Nano bio-carrier with micronutrients coated on chemical fertilizers
EP4206168A1 (en) * 2021-12-31 2023-07-05 SABIC Global Technologies B.V. Nano bio-carrier with plant additives coated on chemical fertilizers

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1221554A (en) * 1997-12-30 1999-07-07 中国科学院上海植物生理研究所 Coated seeds and its prepn. method
CN1363215A (en) * 2002-01-25 2002-08-14 华东理工大学 Coating agent containing chitosan for vegetable seeds
CN101238767A (en) * 2007-02-07 2008-08-13 上海市农业科学院 Cruciferae vegetable seed plant source pesticide pill pelletizing coating method
CN101416650A (en) * 2008-12-09 2009-04-29 大连工业大学 Degradable non-poisonous seed-coating agent and preparation method thereof
CN103664314A (en) * 2012-09-12 2014-03-26 吉林农业大学 Preparation and use methods of ginseng seed coating agent

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1221554A (en) * 1997-12-30 1999-07-07 中国科学院上海植物生理研究所 Coated seeds and its prepn. method
CN1363215A (en) * 2002-01-25 2002-08-14 华东理工大学 Coating agent containing chitosan for vegetable seeds
CN1268203C (en) * 2002-01-25 2006-08-09 华东理工大学 Coating agent containing chitosan for vegetable seeds
CN101238767A (en) * 2007-02-07 2008-08-13 上海市农业科学院 Cruciferae vegetable seed plant source pesticide pill pelletizing coating method
CN101416650A (en) * 2008-12-09 2009-04-29 大连工业大学 Degradable non-poisonous seed-coating agent and preparation method thereof
CN103664314A (en) * 2012-09-12 2014-03-26 吉林农业大学 Preparation and use methods of ginseng seed coating agent

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108244105A (en) * 2018-01-17 2018-07-06 安徽省华禾种业有限公司 A kind of vegetable seeds coating agent and preparation method thereof
CN108496779A (en) * 2018-04-10 2018-09-07 东北师范大学 A kind of bog recovery preparation method of bog moss brood body
CN108496779B (en) * 2018-04-10 2020-06-02 东北师范大学 Preparation method of sphagnum propagule for peat land recovery
EP4206167A1 (en) * 2021-12-31 2023-07-05 SABIC Global Technologies, B.V. Nano bio-carrier with micronutrients coated on chemical fertilizers
EP4206168A1 (en) * 2021-12-31 2023-07-05 SABIC Global Technologies B.V. Nano bio-carrier with plant additives coated on chemical fertilizers

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