CN114651655B - Cultivation method for high yield of early blossoms of sophora japonica - Google Patents

Cultivation method for high yield of early blossoms of sophora japonica Download PDF

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CN114651655B
CN114651655B CN202210336972.2A CN202210336972A CN114651655B CN 114651655 B CN114651655 B CN 114651655B CN 202210336972 A CN202210336972 A CN 202210336972A CN 114651655 B CN114651655 B CN 114651655B
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陈宗游
邹蓉
唐健民
蒋运生
熊忠臣
朱开梅
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Guangxi Institute of Botany of CAS
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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G17/00—Cultivation of hops, vines, fruit trees, or like trees
    • A01G17/005—Cultivation methods
    • 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
    • A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
    • A01N37/10—Aromatic or araliphatic carboxylic acids, or thio analogues thereof; Derivatives 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
    • 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
    • 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

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Abstract

The invention provides a cultivation method for high yield of early blossoms of sophora japonica, belonging to the technical field of medicinal plant cultivation. The method comprises the following steps: preparing planting holes according to the configuration of the shape of a Chinese character 'pin'; planting the golden pagoda seedlings after applying a base fertilizer in the planting holes; the base fertilizer comprises chicken and sheep manure fermented fertilizer, boron fertilizer and molybdenum fertilizer; selecting grafted seedlings with 2-year scions, 3-year rootstocks, no transplantation and base diameters of more than 1.5cm as golden pagoda seedlings; from the 4 th year of field planting, applying 3-4L of tip promoting fertilizer to each robinia pseudoacacia at 7d before spring shoots or early summer shoots sprouting every year, and performing pit expanding fertilizer application to field planting holes every year in winter; the tip-promoting fertilizer comprises a compound fertilizer and a water fertilizer; the water fertilizer comprises decomposed peanut bran water or pig manure water; from the 4 th year of field planting, bai-nai and Pu-9-nai are sprayed every year in the spring shoot sprouting period. By adopting the cultivation method provided by the invention, the early flowering (bearing rice) and high yield of the golden pagoda tree are realized, and the economic benefit of planting the golden pagoda tree is greatly improved.

Description

Cultivation method for high yield of early blossoms of sophora japonica
Technical Field
The invention belongs to the technical field of medicinal plant cultivation, and particularly relates to a cultivation method for high yield of early blossoming of sophora japonica.
Background
The flos Sophorae Immaturus is the dry bud of Sophora japonica L of Leguminosae, and is frequently used for treating hematochezia, liver heat, conjunctival congestion, cardiovascular diseases and the like in folk, and rutin, which is a main active ingredient, has various pharmacological effects of resisting bacteria, diminishing inflammation, resisting viruses, eliminating free radicals, resisting cancers and the like. The effective components of flos Sophorae Immaturus such as rutin and quercetin, called "flos Sophorae Miejing", have been used in daily cosmetic industry as sunscreen cosmetic additive. The sophora flower bud can be used for making soup, stewing and the like, and the sophora flower bud tea in the market is deeply favored by consumers. Based on the important application value to the medicine, chemical and food industries, the demand of the sophora japonica is increasing day by day in domestic and foreign markets, and the sophora japonica is in high price and is in short supply.
The golden pagodatree is a branch of numerous pagodatree species, is originally produced in northwest Guizhou and south Hunan province, and is named as golden pagodatree because the produced pagodatree flower buds are golden yellow. Compared with other sophora japonica varieties, the sophora japonica has good quality and high rutin content, and is in a leading position in the area of medicinal sophora japonica planting. At present, the planting area of the golden locust trees in the northwest area of Guangxi province reaches up to 30 ten thousand mu, but according to investigation, nearly half of golden locust gardens have the problem of low yield. The industrialized cultivation of the golden pagoda tree generally adopts grafted seedlings for planting, the length of the outer layer branches of the grown-up plants can reach 1.5 to 2 meters, the crown width of the plants is generally about 4m multiplied by 4m, therefore, the existing golden pagoda tree planting generally adopts the plant row spacing of 4m multiplied by 4.5m, and only about 37 golden pagoda trees are planted per mu. The number of plants in unit area is small, and the yield of the sophora japonica buds of single plants of the sophora japonica is low due to poor management, so that the problem of low yield of a large number of sophora japonica gardens is finally caused. According to another investigation, a certain proportion of the current robinia pseudoacacia industries have the problem that robinia pseudoacacia flowers late (knots), even does not flower (knots). These problems severely impact the economic income of some acacia farmers and frustrate their acacia enthusiasm.
Disclosure of Invention
In view of the above, the invention aims to provide a cultivation method for high yield of early blossoms of robinia pseudoacacia.
In order to achieve the above object, the present invention provides the following technical solutions:
the invention provides a cultivation method for high yield of early blossoms of sophora japonica, which comprises the following steps:
1) Preparing planting holes according to the configuration of a Chinese character 'pin', wherein the row spacing is 2.5-3.5 m, the plant spacing is 3-4 m, and the specification of the planting holes is 1.2m multiplied by 1.2m;
2) Applying a base fertilizer in the planting holes in the step 1) and planting the robinia pseudoacacia seedlings;
the base fertilizer comprises chicken and sheep manure fermented fertilizer, boron fertilizer and molybdenum fertilizer;
selecting grafted seedlings with 2-year-old scions, 3-year-old rootstocks, no transplantation and a base diameter of more than 1.5cm as the golden pagoda seedlings;
3) From the 4 th year of field planting, applying 3-4L of tip promoting fertilizer to each robinia pseudoacacia at 7d before spring shoots or early summer shoots sprouting every year, and performing pit expanding fertilizer application to field planting holes every year in winter;
the tip-promoting fertilizer is formed by mixing a compound fertilizer with a water fertilizer;
the water fertilizer comprises decomposed peanut bran water or pig manure water;
4) From the 4 th year of field planting, bai-nai and Pu-9-nai are sprayed every year in the spring shoot sprouting period.
Preferably, the preparation method of the chicken and sheep manure fermented fertilizer in the step 2) comprises the following steps: mixing the chicken manure and the sheep manure according to the mass ratio of 1.
Preferably, the application amount of the chicken and sheep manure fermented fertilizer in each planting hole is 15-20 kg.
Preferably, the boron fertilizer in the step 2) is calculated by pure boron, and the application amount of the pure boron in each planting hole is 0.15-0.6 g.
Preferably, the application amount of the molybdenum fertilizer in the step 2) is 0.05-0.25 g in each planting hole based on pure molybdenum.
Preferably, the robinia pseudoacacia seedlings in the step 2) are planted after being soaked in root growth promoting agents for 30min before being planted, the root growth promoting agents comprise naphthylacetic acid and indolebutyric acid, the concentration of the naphthylacetic acid is 200mg/L, and the concentration of the indolebutyric acid is 200mg/L.
Preferably, the step 3) of hole expanding and fertilizing comprises the following steps: alternately digging furrows on the left and right or front and back of the planting holes in different years, applying 10-15 kg of chicken and sheep manure fermented fertilizer to each plant, uniformly mixing the chicken and sheep manure fermented fertilizer with the equal volume of soil, and filling the mixture into the furrows; the furrow takes the outer edge of the planting hole as a starting point, the depth of the furrow is 50-70 cm, the width of the furrow is 30-40 cm, and the length of the furrow is equivalent to the diameter of the tree crown of the golden locust every year, after the furrow is moved to the central line position between two adjacent rows of plants, the furrow is fixed at the position, and the two adjacent rows of plants share the furrow.
Preferably, said step3) The compound fertilizer is N: P 2 O 5 :K 2 Compound fertilizer of O = 13;
the method for mixing the compound fertilizer with water and fertilizer comprises the following steps: adding 15-20L of water and fertilizer into every 1kg of compound fertilizer;
the preparation method of the decomposed peanut bran water comprises the following steps: mixing peanut bran and water according to the mass ratio of 1;
the method for applying the tip-promoting fertilizer comprises the following steps: and mixing the tip-promoting fertilizer and water according to a volume ratio of 1.
Preferably, the step 4) of spraying the sophora japonica in the form of a mixed diluent, wherein the preparation method comprises the following steps: mixing the stock solutions of the two solutions according to a volume ratio of 1;
the total spraying times of the mixed diluent are 2 times at intervals of 20 days.
Preferably, the planting place selection criteria of the acacia comprise: sunny exposure, good drainage and fertile soil.
The invention has the advantages and positive effects that:
the planting hole positioning mode in a shape like a Chinese character 'pin' is adopted in planting of the golden locust for the first time, and compared with the traditional square or rectangular configuration mode, the configuration mode can more effectively utilize the land space and avoid mutual shielding among plants to the maximum extent; meanwhile, the invention shortens and thickens the outer layer branches of the golden pagoda plants and reduces the crown width through the tip control and crown shrinkage treatment. Under the condition of not influencing the yield of a single plant, the two measures are combined, so that 1/3 or even 1 time of a plurality of sophora japonica plants can be planted on a unit area of land. In addition, the invention realizes early flowering (bearing rice) and high yield of the golden pagoda tree by planting the big seedlings, applying boron and molybdenum fertilizers and fermentation fertilizers with beneficial microorganisms and promoting flower measures, thereby greatly improving the economic benefit of planting the golden pagoda tree.
Drawings
FIG. 1 is a schematic diagram of different configurations of the planting holes.
Detailed Description
The invention provides a cultivation method for high yield of early blossoms of sophora japonica, which comprises the following steps:
1) Preparing planting holes according to the configuration of a Chinese character 'pin', wherein the row spacing is 2.5-3.5 m, the plant spacing is 3-4 m, and the specification of the planting holes is 1.2m multiplied by 1.2m;
2) Applying a base fertilizer in the planting holes in the step 1) and planting the robinia pseudoacacia seedlings;
the base fertilizer comprises chicken and sheep manure fermented fertilizer, boron fertilizer and molybdenum fertilizer;
selecting grafted seedlings with 2-year-old scions, 3-year-old rootstocks, no transplantation and a base diameter of more than 1.5cm as the golden pagoda seedlings;
3) From the 4 th year of field planting, applying 3-4L of tip-promoting fertilizer to each robinia pseudoacacia every year 7 days before spring shoots or early summer shoots germinate, and performing pit expanding fertilizer to field planting holes every year in winter;
the tip-promoting fertilizer is formed by mixing a compound fertilizer with a water fertilizer;
the water fertilizer comprises decomposed peanut bran water or pig manure water;
4) From the 4 th year of permanent planting, the Bai-and Pu-9-resisting fertilizer is sprayed in the spring shoot sprouting period every year.
The invention prepares the planting holes according to the configuration of the shape of Chinese character 'pin', the row spacing is 2.5 to 3.5m, the plant spacing is 3 to 4m, and the specification of the planting holes is 1.2m multiplied by 1.2m.
In the present invention, the row spacing is preferably 3m, and the plant spacing is preferably 3.5m. In the present invention, the planting place selection criteria of acacia preferably include: sunny exposure, good drainage and fertile soil.
The method comprises the steps of applying a base fertilizer in a planting hole and planting a robinia pseudoacacia seedling; the base fertilizer comprises chicken and sheep manure fermented fertilizer, boron fertilizer and molybdenum fertilizer; selecting grafted seedlings with 2-year-old scions, 3-year-old rootstocks, no transplantation and a base diameter of more than 1.5cm as the golden pagoda seedlings. In the invention, the preparation method of the chicken and sheep manure fermented fertilizer preferably comprises the following steps: mixing the chicken manure and the sheep manure according to the mass ratio of 1. In the present invention, the compost starter is preferably a Qiangxing compost starter purchased from a product produced by the cooperation of Qiangxing biotechnology limited in the north sea and the bioengineering limited in the north sea, and the production place: product types in northern sea, guangxi: 002. the invention ferments the chicken manure and the sheep manure according to the instruction of the fermentation agent of the Qiangxing compost. In the invention, the application amount of the chicken and sheep manure fermented fertilizer in each planting hole is preferably 15-20 kg. In the invention, the boron fertilizer is calculated by pure boron, and the application amount of the pure boron in each planting hole is preferably 0.15-0.6 g. In the invention, the molybdenum fertilizer is calculated by pure molybdenum, and the application amount of the pure molybdenum in each planting hole is preferably 0.05-0.25 g. In the invention, the base fertilizer is preferably mixed with the same volume of soil and then filled into the planting holes. The filling depth of the base fertilizer is not specially limited, and the base fertilizer can be filled according to conventional operation in the field.
The method selects grafted seedlings with 2-year scions, 3-year rootstocks, no transplantation and base diameter of more than 1.5cm as the golden pagoda seedlings. The conventional method is to plant the seedlings with the seedling age of 1/2-0 (namely the scion is 1 year old, the stock is 2 years old and is not transplanted), the invention selects the seedlings with the seedling age of 2/3-0 (namely the scion is 2 years old, the stock is 3 years old and is not transplanted), the seedling age is 1 year more than that of the conventional method, namely the seedlings are 1 year more in a nursery, the centralized management is convenient in the nursery, and the planting of the big seedlings leads the golden locust plants to bloom ahead of time (bear rice). In the invention, before planting, the robinia pseudoacacia seedlings are preferably planted after being soaked in roots for 30min by using a rooting promoter, the rooting promoter preferably comprises naphthylacetic acid and indolebutyric acid, the concentration of the naphthylacetic acid is preferably 200mg/L, and the concentration of the indolebutyric acid is preferably 200mg/L.
The invention adopts the conventional shaping and pruning method of the golden pagoda tree, the height of a fixed trunk is 60-80 cm, 3-4 branches are left in main branches, the branches of the golden pagoda tree are promoted to generate next-level (layer) branches by pinching and topping, pruning in winter and the like, and the outermost branch of the golden pagoda tree plant is cultured to the fifth or sixth level (layer) within 3-4 years.
In the invention, from the 4 th year of field planting, 3-4L of tip-promoting fertilizer is applied to each robinia pseudoacacia every year 7d before spring shoots or early summer shoots germinate, and pit expanding fertilization is performed to field planting holes every year in winter; the tip-promoting fertilizer is formed by mixing a compound fertilizer with a water fertilizer; the water fertilizer comprises decomposed peanut bran water or pig manure water.
In the invention, the compound fertilizer is N: P 2 O 5 :K 2 O = 13. In the invention, the method for mixing the compound fertilizer with water and fertilizer comprises the following steps: 15-20L of water fertilizer is added to each 1kg of compound fertilizer. In the present invention, the preparation method of the decomposed peanut bran water preferably comprises: mixing the peanut bran and water according to the mass ratio of 1. In the present invention, the method for applying the tip accelerating fertilizer preferably comprises: and mixing the tip-promoting fertilizer and water according to the volume ratio of 1.
In the present invention, the hole-enlarging fertilization preferably includes: alternately digging furrows on the left and right or front and back of the planting holes in different years, applying 10-15 kg of chicken and sheep manure fermented fertilizer to each plant, uniformly mixing the chicken and sheep manure fermented fertilizer with the equal volume of soil, and filling the mixture into the furrows; the furrow takes the outer edge of the planting hole as a starting point, the depth of the furrow is 50-70 cm, the width of the furrow is 30-40 cm, and the length of the furrow is equivalent to the diameter of the tree crown of the golden locust every year, after the furrow is moved to the central line position between two adjacent rows of plants, the furrow is fixed at the position, and the two adjacent rows of plants share the furrow. The method sprays the Bai-Kai and Bai-Pu-9 in the spring shoot sprouting period every year from the 4 th year of field planting. Aims to control tips, shrink crowns and promote flowers. In the invention, the sophora japonica is sprayed by the Baihe-Kangpu-9 in the form of mixed diluent, and the preparation method preferably comprises the following steps: mixing the stock solutions according to the volume ratio of 1. In the invention, the total spraying times of the mixed diluent are 2 times at intervals of 20 days. The spraying method is not specially limited, and the spraying method can be realized by adopting conventional spraying. In order to further illustrate the present invention, the following detailed description of the invention is given in conjunction with examples, which should not be construed to limit the scope of the invention.
Example 1
A cultivation method for high yield of early blossoming of sophora japonica comprises the following steps:
(1) Selection of a planting land: the golden locust is cold-resistant, pleased with light and is forbidden to accumulate water, so a land block which faces the sun, has good drainage and fertile soil is selected as a planting land.
(2) Preparing a planting hole: the planting holes are configured in a shape like a Chinese character 'pin' (a in figure 1), every planting point (hole) of adjacent rows are staggered to form a finished product shape, the distance between every two adjacent planting points (holes) on the same row is a plant spacing, a row spacing is a row spacing, row-distributing and fixed points (holes) are arranged according to the plant spacing of 3.5m and the row spacing of 3m, then the planting holes are excavated, and the specifications (length, width and depth) of the planting holes are 1.2m multiplied by 1.2m.
(3) Applying a base fertilizer: 20kg of chicken and sheep manure fermented fertilizer, 5g of borax and 0.5g of ammonium molybdate are applied to each field planting hole, and the three are mixed with soil and filled into the hole. The chicken and sheep manure fermented fertilizer is a fertilizer which is prepared by stirring a mixture of chicken manure and sheep manure in a mass ratio of 1.
(4) Planting: selecting 2/3-0 seedling age (namely the scion is 2 years old, the stock is 3 years old and is not transplanted) and 2.0cm base diameter improved robinia pseudoacacia grafted seedlings as seedlings, soaking the roots of the seedlings for 30min by using a naphthalene acetic acid and indolebutyric acid mixed solution (the concentration of both is 200 mg/L) before planting, and then planting.
(5) Shaping and trimming: the method is carried out according to the conventional shaping and pruning method of the golden pagoda tree, the height of a fixed trunk is 70cm, 3-4 branches are left on a main branch, the branches of the golden pagoda tree are promoted to generate next-level (layer) branches in modes of pinching and topping, pruning in winter and the like, and the outermost branch of the golden pagoda tree plant is cultured to the fifth or sixth level (layer) within 4 years.
(6) And (3) later-stage fertilization: starting to consciously culture bearing rice mother branches from the 4 th year of planting, spraying 3.5L of tip promoting fertilizer to each robinia pseudoacacia one week before spring shoot germination every year, blending the tip promoting fertilizer with clear water according to the volume ratio of 1. The tip-promoting fertilizer is a compound fertilizer (N: P) 2 O 5 :K 2 O =13After the middle line, fixing the plants at the position for ditching, wherein two adjacent rows of plants share the fertilizing ditch), 15kg of chicken and sheep manure fermented fertilizer is applied to each plant, and the chicken and sheep manure fermented fertilizer is the same as the step 3.
(7) Controlling tips, shrinking crowns and promoting flowers: from the 4 th year of planting, the mixed diluent of Bai < + > Yipu-9 (both are diluted by 650 times) is sprayed for 2 times every year in the spring shoot sprouting period, and the two times are separated by 20 days.
Comparative example 1
The conventional cultivation method for the sophora japonica comprises the following steps:
the planting holes are arranged in a square shape (b in figure 1), all planting points (holes) of adjacent rows are mutually aligned to form a square shape, and the row spacing of the plants is 4m multiplied by 4m; 20kg of fermented and decomposed pig manure is applied to each planting hole under the conventional condition; starting to consciously culture the bearing mother branches from the 4 th year of planting, and applying a compound fertilizer (N: P) to each plant of sophora japonica one week before spring shoot germination every year 2 O 5 :K 2 O = 13) 200g, uniformly irrigating the water solution on the root of acacia, performing pit expanding fertilization every winter year from the year (the pit expanding mode is the same as that of example 1), and applying 15kg of rotten pig manure piled and retted under conventional conditions; the tip control, crown shrinkage and flower promotion treatment are not carried out. The rest is the same as example 1.
Comparative example 2
The conventional second golden locust cultivation method comprises the following steps:
planting holes are arranged in a rectangle (c in figure 1), all planting points (holes) of adjacent rows are mutually aligned to form a rectangle, and the row spacing of the plants is 4m multiplied by 4.5m; selecting improved variety graft seedlings of the golden pagoda with the seedling age of 1/2-0 (namely the scions are 1 year old, the stocks are 2 years old and are not transplanted) and the base diameter of 1.5cm as seedlings for field planting. The rest is the same as example 2.
Table 1 below shows the effect of different cultivation methods in example 1 and comparative examples 1-2 on the crown size of the plants, the number of plants planted per mu, and the yield of acacia plants.
TABLE 1 influence of different cultivation methods on the crown width, yield, etc. of Sophora japonica plants
Figure BDA0003574718140000071
Figure BDA0003574718140000081
As can be seen from Table 1, the number of the Sophora japonica plants per unit area in example 1 is increased by 51.22% and 67.57% respectively compared with those in comparative examples 1 and 2, and the plants in example 1 bloom (bear rice) in year 2.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and amendments can be made without departing from the principle of the present invention, and these modifications and amendments should also be considered as the protection scope of the present invention.

Claims (4)

1. A cultivation method for high yield of early blossoms of sophora japonica is characterized by comprising the following steps:
1) Preparing planting holes according to the delta configuration, wherein the row spacing is 2.5-3.5 m, the plant spacing is 3-4 m, and the specification of the planting holes is 1.2m multiplied by 1.2m;
2) Applying a base fertilizer in the planting holes in the step 1) and planting the robinia pseudoacacia seedlings;
the base fertilizer comprises chicken and sheep manure fermented fertilizer, boron fertilizer and molybdenum fertilizer;
selecting grafted seedlings with 2-year scions, 3-year rootstocks, no transplantation and base diameters of more than 1.5cm as golden pagoda seedlings;
3) From the 4 th year of field planting, applying 3-4L of tip promoting fertilizer to each robinia pseudoacacia at 7d before spring shoots or early summer shoots sprouting every year, and performing pit expanding fertilizer application to field planting holes every year in winter;
the tip-promoting fertilizer is a fertilizer formed by mixing a compound fertilizer with a water fertilizer;
the water fertilizer comprises decomposed peanut bran water or pig manure water;
4) From the 4 th year of field planting, spraying Bai-nai and Bai-9 in the spring shoot sprouting period every year;
the application amount of the chicken and sheep manure fermented fertilizer in each planting hole is 15-20 kg;
the boron fertilizer in the step 2) is calculated by pure boron, and the application amount of the pure boron in each planting hole is 0.15-0.6 g;
the molybdenum fertilizer in the step 2) is calculated by pure molybdenum, and the application amount of the pure molybdenum in each planting hole is 0.05-0.25 g;
the step 3) of pit expanding fertilization comprises the following steps: alternately digging furrows on the left and right or front and back of the planting holes in different years, applying 10-15 kg of chicken and sheep manure fermented fertilizer to each plant, uniformly mixing the chicken and sheep manure fermented fertilizer with the equal volume of soil, and filling the mixture into the furrows; the furrow takes the outer edge of the planting hole as a starting point, the depth of the furrow is 50-70 cm, the width of the furrow is 30-40 cm, and the length of the furrow is equivalent to the diameter of the crown of the golden locust tree, when the furrow is moved to the central line position between two adjacent rows of plants, the furrow is fixed at the position, and the two adjacent rows of plants share the furrow;
the compound fertilizer in the step 3) is N: P 2 O 5 :K 2 Compound fertilizer of O = 13;
the method for mixing the compound fertilizer with water and fertilizer comprises the following steps: adding 15-20L of water and fertilizer into every 1kg of compound fertilizer;
the preparation method of the decomposed peanut bran water comprises the following steps: mixing peanut bran and water according to the mass ratio of 1;
the method for applying the tip-promoting fertilizer comprises the following steps: mixing the tip-promoting fertilizer and water according to a volume ratio of 1;
the step 4) of spraying the sophora japonica in the form of mixed diluent, namely Baihe and Sunpu-9 resistant liquid, comprises the following steps: mixing the stock solutions of the two solutions according to a volume ratio of 1;
the total spraying times of the mixed diluent are 2 times at intervals of 20 days.
2. The cultivation method according to claim 1, wherein the preparation method of the chicken and sheep manure fermented fertilizer in the step 2) comprises the following steps: mixing chicken manure and sheep manure according to a mass ratio of 1.
3. The cultivation method according to claim 1, wherein the robinia pseudoacacia seedlings in the step 2) are planted after being soaked in root for 30min by using a root growth promoting agent before being planted, the root growth promoting agent comprises naphthylacetic acid and indolebutyric acid, the concentration of the naphthylacetic acid is 200mg/L, and the concentration of the indolebutyric acid is 200mg/L.
4. The cultivation method as claimed in claim 1, wherein the planting place selection criteria for acacia includes: sunny, good drainage and fertile soil.
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