CN112430173B - Liquid fertilizer composition for recovering citrus tristeza fruit trees and fertilizing method - Google Patents
Liquid fertilizer composition for recovering citrus tristeza fruit trees and fertilizing method Download PDFInfo
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- CN112430173B CN112430173B CN202011455575.4A CN202011455575A CN112430173B CN 112430173 B CN112430173 B CN 112430173B CN 202011455575 A CN202011455575 A CN 202011455575A CN 112430173 B CN112430173 B CN 112430173B
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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
- C05G3/80—Soil conditioners
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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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- 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
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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
- C05G5/00—Fertilisers characterised by their form
- C05G5/20—Liquid fertilisers
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Abstract
The invention discloses a liquid fertilizer combination and a fertilizing method for recovering citrus tristeza fruit trees, which comprises a root application liquid fertilizer (A), an amino acid microelement-containing foliage spray liquid fertilizer (B), an amino acid ferrum-containing foliage spray liquid fertilizer (C); and an amino acid calcium boron-containing foliage spray liquid fertilizer (D). The liquid fertilizer combination and the application method apply the ground application liquid fertilizer and the three foliar spray liquid fertilizers to citrus tristeza fruit trees, and can enable the tristeza fruit trees to recover normal flowering and fruit bearing.
Description
Technical Field
The invention belongs to the technical field of fertilizers, and particularly relates to a liquid fertilizer composition for recovering citrus tristeza fruit trees and a fertilizing method.
Background
China is a world-wide citrus producing country, and the citrus industry is a supporting industry of China's agriculture, plays an extremely important role in agricultural economy, quickens the income of farmers, and guarantees the social employment.
However, various diseases and insect pests, particularly citrus tristeza, often appear in the citrus planting process. The citrus diseases are global citrus diseases, the diseases of citrus producing areas in all parts of the world can occur, serious threats are caused to citrus planted in the world, and serious losses are caused to fruit growers. In recent years, researches on citrus tristeza have been carried out all over the world, and the researches are continuous and deep, and no effective control method for the citrus tristeza exists. Generally, in addition to the conventional means of strengthening quarantine and preventing insect pests, for the branch tips with light disease, timely pruning is carried out, and a wound healing and corrosion prevention film is coated at the pruning mouths to promote wound healing. The method can eradicate diseased trees with serious diseases, and avoid the infection and decline disease virus grafting of the nursery stocks with the virus and the buds, barks and leaf fragments with the virus, or the spread of aphids such as orange aphids, cotton aphids, dichopheles citriodora and meadowsweet aphids in the field, which brings larger area of infection and decline disease of citrus trees.
Therefore, there is still a need for an effective liquid fertilizer or agent that can save citrus trees suffering from degenerative diseases and restore flowering and fruiting.
Disclosure of Invention
In order to solve the defects of the prior art, the invention introduces specific bacterial metabolic solution and nutrient solution from the biological angle to prepare a liquid fertilizer combination for root application and leaf surface spraying, and the liquid fertilizer combination is applied to the roots and leaves of fruit trees in a targeted manner, thereby achieving the purpose of recovering citrus recession disease.
Another aspect of the invention is to provide a method for applying the liquid fertilizer combination.
In order to achieve the purpose, the invention adopts the following technical scheme:
a liquid fertilizer combination for recovering citrus tristeza fruit trees comprises a root application liquid fertilizer (A), an amino acid microelement-containing foliar spray liquid fertilizer (B), an amino acid ferrum-containing foliar spray liquid fertilizer (C); and an amino acid calcium boron-containing foliage spray liquid fertilizer (D).
In a specific embodiment, the root application liquid fertilizer A is prepared from the following raw materials in parts by weight:
20 parts of turbid amino acid solution of marine organisms,
40 parts of yellow humic acid liquid,
5-14 parts of urea,
20 portions of nitro-sulfur-based compound fertilizer, 15 to 15 portions of nitrogen-phosphorus-potassium,
0 to 9 parts of potassium chloride,
5 parts of magnesium sulfate heptahydrate, namely,
0.25 part of copper sulfate pentahydrate,
0.25 part of manganese sulfate tetrahydrate,
0.25 part of boric acid, namely,
0.25 part of zinc sulfate monohydrate.
Wherein the marine organism amino acid turbid liquid is obtained by hydrolyzing marine organisms and grinding into slurry with fineness less than 0.1 mm.
Wherein, the root-applied liquid fertilizer A is prepared by putting the raw materials into a ball mill or a grinding mill according to the formula proportion for ball milling or grinding, and the finished product can be obtained by filling when the fineness reaches 0.1 mm.
In a specific embodiment, the foliar spray liquid fertilizer B is prepared from the following raw materials in parts by weight:
61 parts of marine organism amino acid clear liquid,
10 parts of a fulvic acid solution, namely,
8 parts of em bacteria metabolic liquid, namely 8 parts of em bacteria metabolic liquid,
2 parts of urea, namely 2 parts of urea,
7 parts of magnesium sulfate heptahydrate, namely,
3 parts of copper sulfate pentahydrate, namely,
3 parts of manganese sulfate tetrahydrate,
3 parts of zinc sulfate monohydrate,
3 parts of boric acid, namely 3 parts of boric acid,
0.3 part of ammonium heptamolybdate.
In a specific embodiment, the foliar spray liquid fertilizer C is prepared from the following raw materials in parts by weight:
61 parts of marine organism amino acid clear liquid,
10 parts of a fulvic acid solution, namely,
8 parts of em bacteria metabolic liquid, namely 8 parts of em bacteria metabolic liquid,
2 parts of urea, namely 2 parts of urea,
4 parts of citric acid, namely citric acid,
15 parts of ferrous sulfate.
In a specific embodiment, the foliar spray liquid fertilizer D is prepared from the following raw materials in parts by weight:
61 parts of marine organism amino acid clear liquid,
10 parts of a fulvic acid solution, namely,
8 parts of em bacteria metabolic liquid, namely 8 parts of em bacteria metabolic liquid,
2 parts of urea, namely 2 parts of urea,
9 parts of calcium chloride, namely 9 parts of calcium chloride,
6 parts of calcium nitrate, namely calcium nitrate,
and 4 parts of boric acid.
The marine organism amino acid clear liquid in the optional foliar sprayed liquid fertilizer B, C or D is clear liquid obtained by hydrolyzing marine organisms, grinding the hydrolyzed marine organisms into marine organism amino acid turbid liquid with the fineness of less than 0.1mm, and naturally settling and separating or separating by a centrifuge.
And the optional foliar spray liquid fertilizer B, C or D is prepared by putting the raw materials into a stirrer according to the respective formula proportion and dissolving the raw materials to obtain the finished foliar spray liquid fertilizer.
In another aspect of the present invention, the aforementioned method for applying a liquid fertilizer composition to recover citrus tristeza fruit trees comprises the following steps:
1) the root application liquid fertilizer A is applied to citrus regression disease fruit trees for three times every year, and is applied to the citrus regression disease fruit trees when spring tip buds of the citrus fruit trees are just budding for the first time; the second time is the application after the summer shoots are aged; the third time is that the autumn shoots are applied after being aged;
2) except that the spraying is stopped for twenty days at the flowering stage of the citrus recession disease fruit trees, the liquid fertilizers B, C and D are alternately sprayed on the leaf surfaces of the citrus recession disease fruit trees at intervals of ten days every month until the water drops, and the fruit trees recover to normally bloom and bear fruits.
Compared with the prior art, the invention has the following beneficial effects:
1) the invention provides a novel liquid fertilizer combination and fertilization method for recovering citrus tristeza fruit trees for the first time, and the method can save the fruit trees with tristeza diseases without shoveling the fruit trees, thereby effectively avoiding the loss of adult fruit trees and the reduction of yield.
2) The liquid fertilizer composition disclosed by the invention is based on essential nutritional ingredients of certain fruit trees, and is purposefully added with marine organism amino acid, yellow rot acid liquid, em bacteria metabolic liquid and other components, so that the growth environment of roots and stems of the fruit trees suffering from the decline disease can be effectively improved, the thickness of leaf wax layers of leaves is increased, the regeneration of roots is promoted, the immunity of the fruit trees is improved, and the fruit trees are saved and gradually recovered to a normal flowering and fruiting state from the decline disease.
Detailed Description
The following examples will further illustrate the method provided by the present invention in order to better understand the technical solution of the present invention, but the present invention is not limited to the listed examples, and should also include any other known modifications within the scope of the claims of the present invention.
The liquid fertilizer combination for recovering citrus tristeza fruit trees comprises four formulas of liquid fertilizers, wherein the four liquid fertilizers are applied in a matched manner, and specifically, the liquid fertilizer A is applied to roots, the liquid fertilizer B is sprayed to the leaf surfaces of a type containing amino acid and trace elements, and the liquid fertilizer C is sprayed to the leaf surfaces of a type containing amino acid and iron elements; and an amino acid calcium boron-containing foliage spray liquid fertilizer D.
The root application liquid fertilizer A is prepared from the following raw materials in parts by weight, and specifically, the raw materials are put into a ball mill or a grinding mill according to a formula ratio for ball milling or grinding, and the finished product can be filled when the fineness reaches 0.1mm and is reserved for use. The weight parts of the components are as follows: 20 parts of marine organism amino acid turbid liquid, 40 parts of yellow humic acid liquid, 5-14 parts of urea, a nitro-sulfur-based compound fertilizer, 20 parts of nitrogen-phosphorus-potassium (15-15-15), 0-9 parts of potassium chloride, 5 parts of magnesium sulfate heptahydrate, 0.25 part of copper sulfate pentahydrate, 0.25 part of manganese sulfate tetrahydrate, 0.25 part of boric acid and 0.25 part of zinc sulfate monohydrate.
As a foliar spray liquid fertilizer B containing amino acid and trace elements, the foliar spray liquid fertilizer B is prepared by putting the following raw materials in parts by weight into a stirrer according to the proportion of the formula and dissolving the raw materials in the stirrer. The weight parts of the components are as follows: 61 parts of marine organism amino acid clear liquid, 10 parts of yellow humic acid liquid, 8 parts of em bacteria metabolic liquid, 2 parts of urea, 7 parts of magnesium sulfate heptahydrate, 3 parts of copper sulfate pentahydrate, 3 parts of manganese sulfate tetrahydrate, 3 parts of zinc sulfate monohydrate, 3 parts of boric acid and 0.3 part of ammonium heptamolybdate.
As an amino acid iron element-containing type foliage spray liquid fertilizer C, the raw materials with the following weight portions are put into a stirrer according to respective formula proportion and dissolved, and then the finished product of the foliage spray liquid fertilizer C can be prepared by filling. The weight parts of the components are as follows: 61 parts of marine organism amino acid clear liquid, 10 parts of yellow humic acid liquid, 8 parts of em bacteria metabolic liquid, 2 parts of urea, 4 parts of citric acid and 15 parts of ferrous sulfate.
As an amino acid calcium boron-containing liquid fertilizer D for foliar application, the raw materials with the following weight portions are put into a stirrer according to respective formula proportion and dissolved, and then the finished product of the foliar application liquid fertilizer D can be prepared by filling. The weight parts of the components are as follows: 61 parts of marine organism amino acid clear liquid, 10 parts of yellow humic acid liquid, 8 parts of em bacteria metabolic liquid, 2 parts of urea, 9 parts of calcium chloride, 6 parts of calcium nitrate and 4 parts of boric acid.
Wherein the marine organism amino acid turbid liquid is obtained from marine organisms, is subjected to hydrolysis treatment and is ground into marine organism amino acid turbid liquid with the fineness of less than 0.1 mm; correspondingly, the marine organism amino acid turbid liquid is subjected to natural sedimentation separation or clear liquid separated by a centrifugal machine to obtain marine organism amino acid clear liquid which is used for spraying liquid fertilizers B, C and/or D on the leaf surfaces. The marine organism is not particularly limited, and is, for example, various animals, plants and the like in the sea, and for example, amino acid is extracted from the leftovers of octopus or from algae in the sea, and the extracted amino acid turbid liquid and clear liquid are used for the liquid fertilizer of the present invention, respectively. Specific extraction processes can be found in the prior art, which is well known to those skilled in the art.
The yellow humic acid liquid contains more comprehensive nutrient substances, so that the yellow humic acid liquid can be directly applied as a finished leaf fertilizer or sprayed on leaves after being diluted by 500 times (the dosage in the vigorous growth stage) to 800 times (the dosage in the seedling stage), and the effect is good. The fulvic acid liquid of the invention with the content of 270g/L is directly added into corresponding liquid fertilizer A, B, C or D seeds for matching application.
The em bacteria metabolite is added into the liquid fertilizer, and the good ecology is created by utilizing the interaction of various microorganism metabolites, so that antioxidant substances are generated, the oxidant substances are removed, the putrefaction is eliminated, pathogenic bacteria are inhibited, a good environment suitable for the growth of animals and plants is formed, and meanwhile, beneficial substances such as amino acid, antibiotics, antiviral substances and the like can be generated for fruit trees, so that the immune function of the fruit trees is improved, and the healthy growth is promoted.
Wherein, the nitrogen-phosphorus-potassium (15-15-15) refers to the mass fraction of nitrogen, phosphorus and potassium in the composite fertilizer, such as potassium sulfate.
The invention achieves the purposes of saving the citrus fruit trees with the decline disease, restoring the citrus fruit trees, and enabling the citrus fruit trees to bloom and bear fruits normally through reasonable proportion selection and specific fertilization time.
The invention discloses a liquid fertilizer combined fertilization method for recovering citrus tristeza fruit trees, which comprises two fertilization methods of applying liquid fertilizer A in a root-divided manner and applying liquid fertilizer B, C and liquid fertilizer D in a leaf surface spraying manner, and specifically comprises the following steps:
1) the root application liquid fertilizer A is applied to citrus regression disease fruit trees for three times every year, and is applied to the citrus regression disease fruit trees when spring tip buds of the citrus fruit trees are just budding for the first time; the second time is the application after the summer shoots are aged; the third time is to apply the powder after autumn shoots are aged.
Specifically, spring shoots, summer shoots, and autumn shoots of fruit trees differ slightly in time points depending on the annual climate, but this is known to those skilled in the art. The key point of the invention is to master the fertilizing time machine at each tip-pulling, specifically, the fertilizing amount per hundred jin of fruit trees is 1.5kg per plant, the weight of the three fertilizing can be the same, and can be increased or decreased according to the specific situation, for example, 5% -20% of the normal amount is added or decreased.
2) Except that the spraying is stopped for twenty days at the flowering stage of the citrus recession disease fruit trees, the liquid fertilizers B, C and D are alternately sprayed on the leaf surfaces of the citrus recession disease fruit trees at intervals of ten days every month until the water drops, and the fruit trees recover to normally bloom and bear fruits.
Specifically, except for the flowering period of the citrus fruit tree, liquid fertilizers B, C and D are sprayed in sequence every 30 days every month and every ten days, for example, the liquid fertilizer B is sprayed 10 days in the month, the liquid fertilizer C is sprayed 20 days in the month, and the liquid fertilizer D is sprayed after 30 days. The spraying agent is sprayed on all leaf surfaces and leaf backs of fruit trees every time, and the specific spraying amount is until the water drops.
According to the liquid fertilizer combination and the fertilizing method, after the decline disease of the citrus fruit tree is discovered, the liquid fertilizer combination and the fertilizing method are saved, the liquid fertilizer combination and the fertilizing method can be basically recovered by the next year, and the recovery rate can reach more than 85%.
The fertilization process of the present invention is further illustrated, but not limited, by the following more specific examples.
Other fertilizers not specifically illustrated for use in the examples of the present invention are commercially available.
Preparation example:
the clear liquid/turbid liquid of the amino acid of the marine organism is extracted from the leftovers of octopuses by referring to the method of CN1609096A, and the extracted turbid liquid and the clear liquid of the amino acid are respectively used for the liquid fertilizer.
em bacteria metabolic liquid is a metabolite which is obtained by performing propagation on em bacteria stock solution purchased by a fast-growing fertilizer company by 1 ten thousand times and then performing inactivation on the em bacteria stock solution after the bacteria die.
Fulvic acid solution, purchased from alatin, diluted to 270 g/L.
The root application liquid fertilizer A is obtained by putting the following raw materials in parts by weight into a ball mill for ball milling until the fineness reaches 0.1 millimeter, wherein: 20 parts of marine organism amino acid turbid liquid, 40 parts of yellow humic acid liquid, 10 parts of urea, a nitrate-sulfur-based compound fertilizer, 20 parts of nitrogen-phosphorus-potassium (15-15-15), 5 parts of potassium chloride, 5 parts of magnesium sulfate heptahydrate, 0.25 part of copper sulfate pentahydrate, 0.25 part of manganese sulfate tetrahydrate, 0.25 part of boric acid and 0.25 part of zinc sulfate monohydrate.
The amino acid microelement-containing foliage spray liquid fertilizer B is obtained by putting the following raw materials in parts by weight into a stirrer for dissolution, wherein: 61 parts of marine organism amino acid clear liquid, 10 parts of yellow humic acid liquid, 8 parts of em bacteria metabolic liquid, 2 parts of urea, 7 parts of magnesium sulfate heptahydrate, 3 parts of copper sulfate pentahydrate, 3 parts of manganese sulfate tetrahydrate, 3 parts of zinc sulfate monohydrate, 3 parts of boric acid and 0.3 part of ammonium heptamolybdate.
The amino acid iron-containing foliage spray liquid fertilizer C is prepared by putting the following raw materials in parts by weight into a stirrer for dissolution, wherein: 61 parts of marine organism amino acid clear liquid, 10 parts of yellow humic acid liquid, 8 parts of em bacteria metabolic liquid, 2 parts of urea, 4 parts of citric acid and 15 parts of ferrous sulfate.
The liquid fertilizer D for foliage spraying of amino acid calcium boron is obtained by putting the following raw materials in parts by weight into a stirrer for dissolution, wherein: 61 parts of marine organism amino acid clear liquid, 10 parts of yellow humic acid liquid, 8 parts of em bacteria metabolic liquid, 2 parts of urea, 9 parts of calcium chloride, 6 parts of calcium nitrate and 4 parts of boric acid.
Examples
1) Selecting 60 citrus diseased trees in the same plot, producing about hundred jin, designing to take 20 diseased trees as one group, applying fertilizer and saving according to the method of the invention for three groups in total, and repeatedly implementing the three groups, wherein the specific method comprises the steps of applying liquid fertilizer A to the fruit tree at three times, applying the liquid fertilizer A to the fruit tree when the spring tip bud of the fruit tree just sprouts for the first time, and applying the fertilizer with the weight of 1.5kg per tree; the second time is the application after the summer shoots are aged, and the weight of the fertilizer application is 1.5kg per plant; the third time, the fertilizer is applied after the autumn tips are aged, and the weight of the fertilizer applied is 1.5kg per plant.
2) Except for the flowering period of the citrus fruit tree, spraying the liquid fertilizer B10 days in the month, spraying the liquid fertilizer C20 days in the month, and spraying the liquid fertilizer D after 30 days in the month, wherein the specific spraying amount is based on the drip of the leaf surface and the leaf back, the spraying is repeated every month, the average 89% of the recession disease of the fruit tree is recovered, and the average yield of 3 units of the fruit tree in the year per plant is calculated to be 44.5 kg.
Comparative example
Compared with the embodiment, 20 citrus regression disease fruit trees are selected to perform a comparative experiment on the same variety with the same tree age (about hundred jin of the plants) in the same land, and the difference from the embodiment is that 5kg of organic fertilizer is applied to each plant according to the traditional process, 1 kg of compound fertilizer is applied to each plant in spring, summer and autumn respectively, no liquid fertilizer B, C, D is sprayed, and the average yield of each plant of the current-year fruit tree is calculated to be 34.7 kg.
Experiments show that the liquid fertilizer disclosed by the invention well promotes the recovery of decaying disease citrus fruit trees under the combined action of A, B, C, D four liquid fertilizers reasonably applied by combining the combined action of marine organism amino acid and em bacteria metabolic liquid and the method of alternately spraying on leaf surfaces, can carry viruses to carry out normal fruit bearing, saves adult fruit trees and improves the fruit tree yield, and compared with the traditional fertilizing method, the average yield of each plant is improved by over 20%.
While the present invention has been described in detail with reference to the preferred embodiments, it should be understood that the above description should not be taken as limiting the invention. It will be appreciated by those skilled in the art that modifications or adaptations to the invention may be made in light of the teachings of the present specification. Such modifications or adaptations are intended to be within the scope of the present invention as defined in the claims.
Claims (6)
1. A liquid fertilizer combination for recovering citrus tristeza fruit trees is characterized in that a root application liquid fertilizer (A), an amino acid microelement-containing foliar spraying liquid fertilizer (B), an amino acid ferrum element-containing foliar spraying liquid fertilizer (C) are used; and an amino acid calcium boron-containing foliage spray liquid fertilizer (D);
the root application liquid fertilizer A is prepared from the following raw materials in parts by weight:
20 parts of turbid amino acid solution of marine organisms,
40 parts of yellow humic acid liquid,
5-14 parts of urea,
15-15-15 parts of nitrogen-phosphorus-potassium,
0 to 9 parts of potassium chloride,
5 parts of magnesium sulfate heptahydrate, namely,
0.25 part of copper sulfate pentahydrate,
0.25 part of manganese sulfate tetrahydrate,
0.25 part of boric acid, namely,
0.25 part of zinc sulfate monohydrate;
the foliar spray liquid fertilizer B is prepared from the following raw materials in parts by weight:
61 parts of marine organism amino acid clear liquid,
10 parts of a fulvic acid solution, namely,
8 parts of em bacteria metabolic liquid, namely 8 parts of em bacteria metabolic liquid,
2 parts of urea, namely 2 parts of urea,
7 parts of magnesium sulfate heptahydrate, namely,
3 parts of copper sulfate pentahydrate, namely,
3 parts of manganese sulfate tetrahydrate,
3 parts of zinc sulfate monohydrate,
3 parts of boric acid, namely 3 parts of boric acid,
0.3 part of ammonium heptamolybdate;
the foliar spray liquid fertilizer C is prepared from the following raw materials in parts by weight:
61 parts of marine organism amino acid clear liquid,
10 parts of a fulvic acid solution, namely,
8 parts of em bacteria metabolic liquid, namely 8 parts of em bacteria metabolic liquid,
2 parts of urea, namely 2 parts of urea,
4 parts of citric acid, namely citric acid,
15 parts of ferrous sulfate;
the foliar spray liquid fertilizer D is prepared from the following raw materials in parts by weight:
61 parts of marine organism amino acid clear liquid,
10 parts of a fulvic acid solution, namely,
8 parts of em bacteria metabolic liquid, namely 8 parts of em bacteria metabolic liquid,
2 parts of urea, namely 2 parts of urea,
9 parts of calcium chloride, namely 9 parts of calcium chloride,
6 parts of calcium nitrate, namely calcium nitrate,
and 4 parts of boric acid.
2. The liquid fertilizer composition for restoring citrus degenerative disease fruit trees according to claim 1, wherein the marine organism amino acid turbid liquid is obtained by hydrolyzing marine organisms and grinding the hydrolyzed marine organisms into marine organism amino acid turbid liquid with fineness less than 0.1 mm.
3. The liquid fertilizer composition for restoring citrus degenerative disease fruit trees according to claim 1, wherein the root-applied liquid fertilizer A is prepared by putting the raw materials into a ball mill or a grinding mill according to a formula ratio, and performing ball milling or grinding until the fineness reaches 0.1mm, and then filling the mixture into a finished product.
4. The liquid fertilizer combination for recovering citrus degenerative disease fruit trees as claimed in claim 1, wherein the marine organism amino acid clear liquid in the foliar spray liquid fertilizer B, C or D is clear liquid obtained by hydrolyzing marine organisms, grinding the hydrolyzed marine organisms into marine organism amino acid turbid liquid with fineness less than 0.1mm, and then naturally settling or centrifuging the marine organism amino acid turbid liquid.
5. The liquid fertilizer combination for recovering citrus degenerative disease fruit trees according to claim 4, wherein the foliar spray liquid fertilizer B, C or D is a finished foliar spray liquid fertilizer product obtained by dissolving the raw materials in a mixer according to the respective formulation proportion.
6. The method of any one of claims 1 to 5 for the application of a liquid fertilizer combination for the restoration of citrus degenerative disease fruit trees, comprising the steps of:
1) the root application liquid fertilizer A is applied to citrus regression disease fruit trees three times every year, and is applied to the citrus regression disease fruit trees when spring tip buds of the citrus fruit trees are just budding for the first time; the second time is the application after the summer shoots are aged; the third time is that the autumn shoots are applied after being aged;
2) except that the spraying is stopped for twenty days at the flowering stage of the citrus recession disease fruit trees, the liquid fertilizers B, C and D are alternately sprayed on the leaf surfaces of the citrus recession disease fruit trees at intervals of ten days every month until the water drops, and the recession disease fruit trees recover to normally bloom and bear fruits.
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| US7126044B2 (en) * | 2001-11-15 | 2006-10-24 | University Of Florida Research Foundation | Plant genes conferring resistance to Citrus tristeza virus |
| CN103333813B (en) * | 2012-10-23 | 2015-05-20 | 辛玉江 | Compound microbial preparation and preparation method thereof |
| CN104311213A (en) * | 2014-09-18 | 2015-01-28 | 四川泸天化股份有限公司 | Total nutrient liquid fertilizer containing amino acids, and preparation method thereof |
| KR102030763B1 (en) * | 2017-11-29 | 2019-10-10 | 애플(주) | Method of thinning flower and fruit for stable thinning efficiency |
| CN109516849A (en) * | 2018-12-26 | 2019-03-26 | 青岛海大生物集团有限公司 | A kind of seaweed liquid fertilizer effectively preventing Citrus Huanglongbing pathogen |
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