CN113773158B - Special fertilizer for brewing lemons and application method thereof - Google Patents

Special fertilizer for brewing lemons and application method thereof Download PDF

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Publication number
CN113773158B
CN113773158B CN202111216953.8A CN202111216953A CN113773158B CN 113773158 B CN113773158 B CN 113773158B CN 202111216953 A CN202111216953 A CN 202111216953A CN 113773158 B CN113773158 B CN 113773158B
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fertilizer
fruit
parts
percent
lemons
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CN113773158A (en
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张洪江
徐文冰
王永红
何丰
杨静
陈军
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Lomon Land Agricultural Co ltd
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Lomon Land Agricultural Co ltd
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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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05B—PHOSPHATIC FERTILISERS
    • C05B17/00—Other phosphatic fertilisers, e.g. soft rock phosphates, bone meal
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05B—PHOSPHATIC FERTILISERS
    • C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates
    • 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
    • C05G1/00—Mixtures of fertilisers belonging individually to different subclasses of C05
    • 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

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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)
  • Fertilizers (AREA)

Abstract

The invention belongs to the field of fertilizers, and discloses a special fertilizer for brewing lemons, which comprises a fruit picking fertilizer, a flower promoting fertilizer, a fruit stabilizing fertilizer and a fruit strengthening fertilizer; the fruit picking fertilizer comprises the following components in parts by weight: 20-30 parts of organic fertilizer, 20-30 parts of acid soil conditioner and 40-60 parts of inorganic fertilizer; the proportion of each nutrient in the flower promoting fertilizer meets the following requirements: n: P2O5: K2O =2:0.5 to 1; the fruit stabilizing fertilizer is a liquid fertilizer and comprises the following components of 0.3-0.5 percent of urea, 0.2-0.3 percent of monopotassium phosphate, 0.04-0.05 percent of chelated calcium, 0.02-0.03 percent of chelated iron and 0.005-0.01 percent of naphthylacetic acid; the fruit-strengthening fertilizer is a liquid fertilizer and comprises the following components in concentration: 0.2 to 0.3 percent of urea, 0.4 to 0.6 percent of monopotassium phosphate, 0.08 to 0.12 percent of chelated calcium and 0.002 to 0.003 percent of isocitrate dehydrogenase. The special fertilizer for brewing lemons can be used for pertinently regulating and controlling the growth process of the lemons to reduce the acidity, and is more suitable for brewing requirements. The invention also provides a use method of the special fertilizer, and the use method is adopted to achieve the effect of regulating and controlling the metabolism of the citric acid.

Description

Special fertilizer for brewing lemons and application method thereof
Technical Field
The invention relates to the field of fertilizers, and particularly relates to a special fertilizer for brewing lemons and a using method thereof.
Background
The lemon is a plant of Citrus of Rutaceae, fresh lemon contains a large amount of nutrient substances, the content of vitamin C in lemon juice is up to 76mg/100mL, the lemon also contains vitamins B1, B2, B3, B6, B9 and the like, in addition, the lemon also contains limonin, limonene and the like, and a proper amount of edible lemon can play a useful role in prevention and adjuvant therapy of cardiovascular diseases, oral diseases, scurvy, calculi and the like, and can also enhance the resistance of a human body.
The production places of lemons are all around the world, the city of the Chinese lemon is Anyue, the annual output of fresh lemons exceeds 20 ten thousand tons, and the fresh lemons are difficult to eat directly, so a plurality of processing and utilizing modes of the fresh lemons are developed, the lemon fruit wine is a good mode for processing the fresh lemons, however, the acidity of the fresh lemons is high, and the difficulty in processing the fresh lemons into the lemon fruit wine is high.
The research of the prior art on processing the lemon fruit wine mainly focuses on the pretreatment of fermentation and the selection of fermentation yeast. However, a research mode for regulating and controlling the growth of the lemon aiming at the processing requirement of the lemon wine does not exist.
Disclosure of Invention
The invention aims to provide the special fertilizer for the wine brewing lemon, which can be used for pertinently regulating and controlling the growth process of the lemon in a proper amount to reduce the acidity of the lemon and is more suitable for the wine brewing requirement.
The second purpose of the invention is to provide a use method of the special fertilizer, and the use method is adopted to achieve the effect of regulating and controlling the metabolism of the citric acid.
In order to achieve the purpose, the invention adopts the technical scheme that:
firstly, the invention provides a special fertilizer for brewing lemons, which comprises a fruit picking fertilizer, a flower promoting fertilizer, a fruit stabilizing fertilizer and a fruit strengthening fertilizer; the fruit picking fertilizer comprises the following components in parts by weight: 20-30 parts of organic fertilizer, 20-30 parts of acid soil conditioner and 40-60 parts of inorganic fertilizer; the proportion of each nutrient in the flower promoting fertilizer meets the following requirements: n: p 2 O 5 ：K 2 O =2:0.5 to 1 (specifically, N-P can be used) 2 O 5 -K 2 Compound fertilizer with O specification of 26-12-12); the fruit stabilizing fertilizer is a liquid fertilizer and comprises the following components of 0.3-0.5 percent of urea, 0.2-0.3 percent of monopotassium phosphate, 0.04-0.05 percent of chelated calcium, 0.02-0.03 percent of chelated iron and 0.005-0.01 percent of naphthylacetic acid; the fruit strengthening fertilizer is a liquid fertilizer and comprises the following components in concentration: 0.2 to 0.3 percent of urea, 0.4 to 0.6 percent of monopotassium phosphate, 0.08 to 0.12 percent of chelated calcium and 0.002 to 0.003 percent of isocitrate dehydrogenase.
The invention is based on lemon rawThe special fertilizer for the whole growth period of the lemons is designed according to the soil conditions of the long area (AnYue), the nutrient requirement rule in the growth process of the lemons and the sugar acid metabolic characteristics in the growth process of the lemons, and the main aim of obtaining the lemons more suitable for brewing wine by planting is to obtain the special fertilizer for the whole growth period of the lemons. The special fertilizer has the same characteristics as the existing lemon fertilizer, and is divided into a fruit picking fertilizer, a flower promoting fertilizer, a fruit stabilizing fertilizer and a fruit strengthening fertilizer; different from the prior art: (1) The fruit picking fertilizer comprises an organic fertilizer and an inorganic fertilizer, and also comprises an acid soil conditioner for improving acid soil, wherein the conditioner can promote the improvement of the acid soil, so that H in the soil can be further improved + And Al 3+ The content is reduced, the content of elements such as magnesium, molybdenum and the like is improved, the lemon is promoted to grow better, and more importantly, the effective synthesis of various enzymes (such as Cyt-ACO) in the lemon can be promoted, so that the citric acid is effectively degraded in a degradation stage; (2) The fruit-stabilizing fertilizer of the present application is a liquid fertilizer containing iron chelate and calcium chelate, and the applicant found that although in acid soil, fe is contained in the liquid fertilizer 2+ The content of Fe is higher, but in the early development stage of fruits, the plant root system is opposite to Fe 2+ Is limited and this period is the synthesis period of citric acid, this period Fe 2+ The existence of the fertilizer has obvious inhibiting effect on the synthesis of citric acid in lemon fruits, so that the applicant can supplement Fe into plants through the leaf surfaces while spraying nitrogen and potassium fruit stabilizing fertilizer on the leaf surfaces in the period 2+ So as to effectively inhibit the synthesis of citric acid; (3) According to the application, isocitrate Dehydrogenase (IDH) is added into the strong fruit fertilizer, and researches show that IDH can remarkably promote acid degradation in plants, and in the key period of organic acid degradation and sugar synthesis in the fruit expansion later stage and the fruit mature stage, the content of IDH is remarkably and negatively related to the content of organic acid, namely IDH can promote the degradation of organic acid.
In addition, according to the fertilizer requirement characteristic of lemon growth, the lemon with high demand is added into the stable fruit fertilizer and the strong fruit fertilizer, the content of calcium ions in acid soil is low, and the content of the calcium ions in different periods is different, so that the good development of the fruits is promoted; the application also adds the naphthylacetic acid which can improve the fruit setting rate and control the sudden summer shoots into the fruit stabilizing fertilizer.
Preferably, the fruit stabilizing fertilizer comprises the following components in concentration of 0.4% of urea, 0.2% of monopotassium phosphate, 0.04% of chelated calcium, 0.03% of chelated iron and 0.005% of naphthylacetic acid; the fruit strengthening fertilizer comprises the following components in concentration: 0.2% of urea, 0.5% of monopotassium phosphate, 0.1% of chelated calcium and 0.002% of isocitrate dehydrogenase. In all the descriptions of the present application: in the liquid fertilizer, the content of chelated calcium is calculated by CaO, and the content of chelated iron is calculated by Fe element.
Preferably, the acid soil conditioner in the fruit-picking fertilizer comprises the following components in parts by weight: 30-40 parts of alkaline blast furnace slag; 25-30 parts of phosphate rock powder; 25-30 parts of superfine powder; 10-15 parts of regenerated collagen fiber powder.
Wherein the superfine powder is prepared from biochar, and the particle size of the superfine powder is less than 1000 meshes.
The preparation method of the regenerated collagen fiber powder comprises the following steps:
A. mechanically crushing the leather solid waste to enable the particle size of the leather solid waste to be smaller than 20 meshes;
B. and D, performing alkali treatment on the crushed material obtained in the step A, and drying to obtain regenerated collagen fiber powder.
Specifically, the leather solid waste in the step A comprises meat residue, hair, waste leather leftover materials and the like generated in the leather making process; the alkali treatment in the step B comprises the following specific operations: and B, soaking the crushed material in the step A for 1-2 hours by using 0.5mol/L sodium hydroxide solution, wherein the using amount of the sodium hydroxide solution is 100 times of the weight of the crushed material by volume.
Preferably, in the fruit picking fertilizer, the organic fertilizer is prepared by fermenting straws.
Further specifically, in the fruit picking fertilizer, the proportion of nutrients in the inorganic fertilizer meets the following requirements: n: p is 2 O 5 ：K 2 O: caO =1:0.4 to 0.5 2 O 5 -K 2 The specific specification of the O-CaO is 20-8-16-8 calcium-containing compound fertilizer).
The preparation method of the fruit picking fertilizer comprises the following steps:
s1, weighing the ground phosphate rock and the superfine powder in proportion, and carrying out dry mixing;
s2, mixing the mixture obtained in the step S1 and regenerated collagen fiber powder, adding the mixture into a rotary drum granulator, heating, adding water, controlling the granulation time, and preparing to obtain base particles with the average particle size of 10-20 meshes;
and S3, uniformly mixing the basic particles, the alkaline blast furnace slag, the components of the inorganic fertilizer and the organic fertilizer to obtain the inorganic fertilizer.
The acid soil conditioner has the following beneficial effects:
(1) The high-content alkaline blast furnace slag is designed in the formula, and the acid soil can be improved by providing direct alkaline substances; (2) During preparation, the superfine powder and the phosphate rock powder are mixed, the superfine powder with the ultra-large specific surface area is tightly adsorbed with the phosphate rock powder, after the superfine powder and the phosphate rock powder reach the soil, a competitive adsorption effect is generated between the superfine powder and phosphorus elements in the phosphate rock powder, and the phosphorus elements are preferentially adsorbed and fixed by the soil, so that the added phosphorus elements can be prevented from being fixed by the soil, and the current situation of lack of available phosphorus in acid soil is effectively solved; (3) After the phosphate rock powder and the superfine powder are mixed, the phosphate rock powder and the regenerated collagen fiber powder are mixed into basic particles, on one hand, in the process of heating and granulating, the phosphate rock powder and the regenerated collagen fiber powder are effectively combined, the regenerated collagen fiber contains various active functional groups such as hydroxyl, carboxyl, amino and the like, and can be combined with phosphorus in the phosphate rock powder to generate the effect of an ion bridge, so that the phosphorus in the low-grade and medium-grade phosphate rock powder is activated and can be slowly released to be absorbed and utilized by crops; on the other hand, the active functional group contained in the regenerated collagen fiber powder can bind to free H in the soil after entering the soil + And Al 3+ Thereby improving the acid environment of the soil.
In the fruit stabilizing fertilizer and the fruit strengthening fertilizer, the chelated calcium is selected from any one of EDTA chelated calcium, humic acid chelated calcium, chitosan chelated calcium and alginic acid chelated calcium; the chelated iron is selected from any one of EDTA chelated iron, humic acid chelated iron, chitosan chelated iron and alginic acid chelated iron. The humic acid chelated calcium and the humic acid chelated iron are preferred, and have better performance in the aspects of chelating rate, crop growth promotion and cost.
The application also discloses a use method of the special fertilizer for the wine-brewing lemon, which is mainly applied to fruit trees in the full bearing period, and the dosage of the special fertilizer can be properly increased and decreased according to the age of the fruit trees in the seedling stage and the later bearing period.
For fruit trees in full bearing period: applying fruit-picking fertilizer 7-10 days before fruit-picking in 10-11 months every year; the application amount of the fruit picking fertilizer is 6-8 kg per plant; applying a flower promoting fertilizer 2-3 months per year, wherein the application amount of the flower promoting fertilizer is 1.5-2.5 kg per plant; applying stable fruit fertilizer 5-6 months per year, preparing the stable fruit fertilizer into solution according to the concentration of each component for foliage spraying, spraying once every 10-15 days, and continuously spraying for 2-3 times; and (3) applying the strong fruit fertilizer 8-10 months per year, preparing the strong fruit fertilizer into a solution according to the concentration of each component, spraying the solution on the leaf surfaces, and continuously spraying the solution for 2-3 times every 10-15 days.
The fertilizing mode is matched with the nutrient requirement rule of each growth cycle of the lemon, the growth of the lemon can be well promoted, and the metabolism of nutrient substances of the lemon can be regulated and controlled according to the characteristics of each growth period so as to reduce the acid content in the fresh lemon.
The beneficial effects of the invention are:
the special fertilizer for brewing lemons is applied according to the application method, so that the growth of the lemons can be promoted, the yield of the lemons can be improved, the acid content in the fresh lemons can be effectively reduced, the sugar content in the fresh lemons can be increased, the fresh lemons can be more suitable for serving as brewing raw materials, and the special fertilizer for brewing lemons provides help for preparing the lemons.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the present invention is further described with reference to specific embodiments below. Those whose conditions are not specified in the examples were carried out according to the conventional conditions or conditions recommended by the manufacturer. The reagents used, or those not indicated together with the manufacturer, are conventional products which are commercially available. All features disclosed in this specification may be combined in any combination, except features or/and steps which are mutually exclusive.
The following examples are presented to enable those skilled in the art to more fully understand the present invention and are not intended to limit the invention in any way.
Example 1
The embodiment provides a special fertilizer for brewing lemons, which comprises a fruit picking fertilizer, a flower promoting fertilizer, a fruit stabilizing fertilizer and a fruit strengthening fertilizer;
the fruit picking fertilizer comprises the following components in parts by weight: 30 parts of organic fertilizer, 20 parts of acid soil conditioner and 50 parts of inorganic fertilizer; wherein the organic fertilizer is prepared by outsourcing straw fermentation; the acid soil conditioner comprises: 30 parts of alkaline blast furnace slag; 25 parts of ground phosphate rock; 30 parts of superfine powder; 15 parts of regenerated collagen fiber powder; inorganic fertilizer is N-P 2 O 5 -K 2 The specific specification of O-CaO is 20-8-16-8;
the flower promoting fertilizer is N-P 2 O 5 -K 2 O specification of the compound fertilizer is 26-12-12;
the fruit stabilizing fertilizer is a liquid fertilizer prepared by water, and comprises the following components of 0.4% of urea, 0.2% of monopotassium phosphate, 0.04% of humic acid chelated calcium, 0.03% of humic acid chelated iron and 0.005% of naphthylacetic acid;
the fruit strengthening fertilizer comprises a liquid fertilizer prepared by water, and the components with the following concentrations: 0.2% of urea, 0.5% of monopotassium phosphate, 0.1% of humic acid chelated calcium and 0.002% of isocitrate dehydrogenase.
The isocitrate dehydrogenase was purchased from a source liquid organism.
Comparative example 1
The comparison example provides a special fertilizer for brewing lemons, which comprises a fruit picking fertilizer, a flower promoting fertilizer, a fruit stabilizing fertilizer and a fruit strengthening fertilizer;
the fruit picking fertilizer comprises the following components in parts by weight: 50 parts of organic fertilizer and 50 parts of inorganic fertilizer; wherein the organic fertilizer is prepared by fermenting outsourcing straws; the inorganic fertilizer is N-P 2 O 5 -K 2 The specific specification of O-CaO is 20-8-16-8;
the flower promoting fertilizer is N-P 2 O 5 -K 2 O specification of compound fertilizer of 26-12-12;
the fruit stabilizing fertilizer is a liquid fertilizer prepared by water, and comprises the following components of 0.4% of urea, 0.2% of monopotassium phosphate, 0.04% of humic acid chelated calcium and 0.005% of naphthylacetic acid;
the fruit-strengthening fertilizer comprises a liquid fertilizer prepared by water, and comprises the following components in concentration: 0.2 percent of urea, 0.5 percent of monopotassium phosphate and 0.1 percent of humic acid chelated calcium.
Comparative example 2
The comparison example provides a special fertilizer for brewing lemons, which comprises a fruit picking fertilizer, a flower promoting fertilizer, a fruit stabilizing fertilizer and a fruit strengthening fertilizer;
the fruit picking fertilizer comprises the following components in parts by weight: 50 parts of organic fertilizer and 50 parts of inorganic fertilizer; wherein the organic fertilizer is prepared by outsourcing straw fermentation; inorganic fertilizer is N-P 2 O 5 -K 2 The specific specification of O-CaO is 20-8-16-8;
the flower promoting fertilizer is N-P 2 O 5 -K 2 O specification of the compound fertilizer is 26-12-12;
the fruit stabilizing fertilizer is a liquid fertilizer prepared by water, and comprises the following components of 0.4 percent of urea and 0.2 percent of monopotassium phosphate;
the fruit strengthening fertilizer comprises a liquid fertilizer prepared by water, and the components with the following concentrations: 0.2 percent of urea and 0.5 percent of monopotassium phosphate.
Examples of the experiments
Test address: anyue county dragon table town
Experiment time: 2019 to 2020
Experimental treatment: 3 treatments are designed, namely the special fertilizer of example 1, comparative example 1 and comparative example 2;
experiment design: each treatment is set to 5 repetitions, 15 lemon trees with the same growth are randomly selected from the same lemon orchard, and 5 lemon trees are respectively applied to the special fertilizer of example 1, comparative example 1 and comparative example 2.
Fertilizing operation:
applying fruit picking fertilizer in 2019, 10 and 23 months: the application amount is 7 kg/plant;
applying the flower promoting fertilizer in 20 days 2 months in 2020, wherein the application amount is 2 kg/plant;
spraying a fruit stabilizing fertilizer starting at 11 days 5 and 11 months in 2020, preparing the fruit stabilizing fertilizer into a solution according to the concentration of each component for foliage spraying, and continuously spraying for 2 times every 10 days;
the strong fruit fertilizer is sprayed in 20 days in 8 months in 2020 year, the stable fruit fertilizer is prepared into solution according to the concentration of each component for foliage spraying, and the solution is sprayed once every 12 days and is continuously sprayed for 3 times.
Except for the fertilizing operation, other field management and farming operation of each lemon tree are completely consistent.
Sampling in 11, month and 2 days in 2020, collecting, and measuring the yield; sampling 5 lemons from each tree, and measuring the sugar degree and the total acidity of fresh lemons; wherein, the sugar degree is measured by a handheld fruit sugar degree tester; total acidity is determined according to the indicator titration method of GB/T12293-1990. After the measurement, the data were processed to obtain the results shown in table 1:
TABLE 1 results after application of the examples and the comparative fertilizers
Figure BDA0003311050810000091
In conclusion, the application mode of the special fertilizer for brewing lemons is adopted for application, so that the sugar acid metabolism of the lemons can be well adjusted, the synthesis of the lemons is inhibited in the citric acid synthesis period, and the acid degradation is inhibited in the citric acid degradation period to promote the sugar synthesis, so that the sugar degree in fresh lemons is effectively improved, the acidity of the fresh lemons is reduced, and the special fertilizer for brewing lemons is more suitable for brewing. Moreover, the special fertilizer can promote the better growth of the lemons, and the yield of the special fertilizer can be improved.
The present invention is not limited to the above embodiments, and any structural changes made under the teaching of the present invention shall fall within the protection scope of the present invention, which has the same or similar technical solutions as the present invention.

Claims (2)

1. The special fertilizer for brewing the lemons is characterized by comprising a fruit picking fertilizer, a flower promoting fertilizer, a fruit stabilizing fertilizer and a fruit strengthening fertilizer;
the fruit picking fertilizer comprises the following components in parts by weight: 20 to 30 parts of organic fertilizer, 20 to 30 parts of acidic soil conditioner and 40 to 60 parts of inorganic fertilizer; the acid soil conditioner comprises the following components in parts by weight: 30-40 parts of alkaline blast furnace slag; 25 to 30 portions of phosphate rock powder; 25 to 30 portions of superfine powder; 10 to 15 parts of regenerated collagen fiber powder;
the ratio of each nutrient in the flower promoting fertilizer meets the following requirements: n: p 2 O 5 ：K 2 O=2:0.5~1：0.5~1；
The fruit stabilizing fertilizer is a liquid fertilizer and comprises the following components, by weight, 0.3% -0.5% of urea, 0.2% -0.3% of monopotassium phosphate, 0.04% -0.05% of humic acid chelated calcium, 0.02% -0.03% of humic acid chelated iron and 0.005% -0.01% of naphthylacetic acid;
the fruit-strengthening fertilizer is a liquid fertilizer and comprises the following components in concentration: 0.2% -0.3% of urea, 0.4% -0.6% of monopotassium phosphate, 0.08% -0.12% of humic acid chelated calcium and 0.002% -0.003% of isocitrate dehydrogenase;
the preparation method of the regenerated collagen fiber powder comprises the following steps:
A. mechanically crushing the leather solid waste to enable the particle size of the leather solid waste to be smaller than 20 meshes;
B. b, performing alkali treatment on the crushed material obtained in the step A, and drying to obtain regenerated collagen fiber powder;
the leather solid waste in the step A comprises meat residue, hair and waste leather leftover materials generated in the leather making process; the alkali treatment in the step B comprises the following specific operations: b, soaking the crushed material in the step A for 1-2h by using 0.5mol/L of sodium hydroxide solution, wherein the usage amount of the sodium hydroxide solution is 100 times of the weight of the crushed material in volume;
the superfine powder is prepared from biochar, and the particle size of the superfine powder is less than 1000 meshes;
the organic fertilizer of the fruit picking fertilizer is an organic fertilizer prepared by fermenting straws;
the proportion of each nutrient in the inorganic fertilizer of the fruit picking fertilizer meets the following requirements: n: p is 2 O 5 ：K 2 O：CaO=1：0.4~0.5:0.8~1.2:0.4~0.5。
2. The use method of the special fertilizer for brewing lemons as claimed in claim 1, wherein the fertilizer for picking fruits is applied 7 to 10 days before the fruits are picked 10 to 11 months per year; the application amount of the fruit picking fertilizer is 6 to 8kg per plant; applying flower promoting fertilizer 2 to 3 months per year, wherein the application amount of the flower promoting fertilizer is 1.5 to 2.5kg per plant; applying stable fruit fertilizer every 5-6 months, wherein the stable fruit fertilizer is prepared into aqueous solution according to the concentration of each component for foliage spraying, and is sprayed for 2-3 times every 10-15 days; and (3) applying strong fruit fertilizer in 8 to 10 months per year, preparing the strong fruit fertilizer into aqueous solution according to the concentration of each component, spraying the strong fruit fertilizer on the leaf surfaces, and spraying the strong fruit fertilizer once every 10 to 15 days for 2 to 3 times continuously.
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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106588203A (en) * 2016-12-19 2017-04-26 广西金神农生态农业科技开发有限公司 Fertilization method for pummelo peel
CN107814605A (en) * 2017-12-15 2018-03-20 福建农林大学 A kind of sweet shaddock set meal fertilizer and its application method

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106588203A (en) * 2016-12-19 2017-04-26 广西金神农生态农业科技开发有限公司 Fertilization method for pummelo peel
CN107814605A (en) * 2017-12-15 2018-03-20 福建农林大学 A kind of sweet shaddock set meal fertilizer and its application method

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