CN112088706A - Method for interplanting radix pseudostellariae in melastoma dodecandrum - Google Patents

Method for interplanting radix pseudostellariae in melastoma dodecandrum Download PDF

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CN112088706A
CN112088706A CN201910454296.7A CN201910454296A CN112088706A CN 112088706 A CN112088706 A CN 112088706A CN 201910454296 A CN201910454296 A CN 201910454296A CN 112088706 A CN112088706 A CN 112088706A
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interplanting
radix pseudostellariae
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CN112088706B (en
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袁丽峰
董夫果
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Yuan Lifeng
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Ningde Wuyan Agricultural Co ltd
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
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    • A01B79/02Methods for working soil combined with other agricultural processing, e.g. fertilising, planting
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
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Abstract

The invention provides a method for interplanting radix pseudostellariae in melastoma dodecandrum trees, and relates to the technical field of agricultural planting. The method comprises the steps of determining an experiment of an interplanting structure, selecting a planting field and arranging planting soil, transplanting melastoma dodecandrum, sterilizing a radix pseudostellariae cultivation bed, planting radix pseudostellariae, performing field management after planting, harvesting and the like. The invention starts from the biological and cultivation characteristics of the melastoma dodecandrum and the radix pseudostellariae, adopts a scientific method to determine the optimal interplanting structure for interplanting the melastoma dodecandrum and the radix pseudostellariae, reasonably interplants the melastoma dodecandrum and the radix pseudostellariae, changes a single population into a compound population, realizes the mutual benefits of the two populations, effectively utilizes multiple resources such as light energy, nutrients, water, land and the like by reasonable planting density, establishes a unique soil micro-ecological environment which is commonly adapted by the radix pseudostellariae and the melastoma dodecandrum, increases soil fertility, prevents and controls diseases and pests without pollution, and improves economic benefit.

Description

Method for interplanting radix pseudostellariae in melastoma dodecandrum
Technical Field
The invention relates to the technical field of agricultural planting, in particular to a method for interplanting radix pseudostellariae and melastoma dodecandrum lour trees.
Background
Pseudostellaria root, originally recorded in Bencao Shi Xin, is the dry root tuber of the perennial herb of Caryophyllaceae, Pseudostellaria heterophylla. From the perspective of traditional Chinese medicine, radix pseudostellariae is sweet in taste, slightly bitter, neutral in nature, and capable of entering spleen and lung channels, has the effect similar to ginseng, but weak in strength, is a clear and tonifying product in qi tonics, and can tonify lung, strengthen spleen and stomach, and treat lung deficiency cough, spleen deficiency anorexia, palpitation and spontaneous perspiration, mental fatigue, dry mouth, diarrhea, body deficiency and other symptoms. In recent years, the development of radix pseudostellariae functional health care products is continuously developed, the market demand of raw medicinal materials is increased year by year, the price of the medicinal materials is also increased, so that wild resources are dug too much and gradually reduced, the cultivation of the radix pseudostellariae is mainly based on cultivation, and at present, the cultivation of the radix pseudostellariae mainly focuses on cultivating virus-free seedlings, solving the problem of continuous cropping obstacles and solving the problem of plant diseases and insect pests.
The intercropping is a planting mode of planting the crops in the later growth period of the previous season crops or transplanting the crops in the later growth period of the previous season crops, and compared with a single crop planting mode, the intercropping mode not only can fully utilize the space in a staged mode, but also can comprehensively and reasonably utilize the nutrients and water in each layer of soil, improve the total annual output, change the microclimate in the field, achieve the mutual benefits and mutual benefits of the interplanted crops, and is a planting mode which can intensively utilize the time and the space. Radix pseudostellariae prefers mild and moist, is afraid of high temperature in summer, and shades the yin, so that the growth period is prolonged, and the yield is increased. The radix pseudostellariae is mainly produced by single seeds, can be harvested in most areas in 7-8 months, and can be sowed again in 11-12 months, so that the interval period is long, and the utilization rate of agricultural resources is low. Interplanting is often practiced in the production of radix pseudostellariae, but related researches are few so far, at present, the research of radix pseudostellariae interplanting mainly focuses on interplanting with vegetables, beans, Chinese herbal medicines such as cassia tora, radix bupleuri, coffee senna and the like and interplanting under a camellia oleifera abel tree, and as an invention patent with the application number of 201710495479.4, a planting method of camellia oleifera abel interplanting radix pseudostellariae is disclosed, and the planting method comprises forest land selection, planting soil arrangement, radix pseudostellariae cultivation bed setting, fertilization management and pest control, provides a unique organic fertilizer, can guarantee the growth of camellia oleifera abel and radix pseudostellariae simultaneously, and improves economic benefits; the invention patent with the application number of 201611267391.9 discloses a method for interplanting radix pseudostellariae under an oil tea tree forest, wherein the interplanting process comprises selection of the oil tea tree forest, arrangement of the oil tea tree forest, fertilization of an interplanting forest land, arrangement of a primary culture and interplanting forest land, ridging of the forest land, digging of planting holes, transplanting, management and harvesting, so that the utilization effect of forest soil resources can be improved, and the maintenance cost of a newly-built oil tea tree forest can be reduced; however, the current research on the interplanting of the radix pseudostellariae mainly aims to simply improve the utilization rate of soil and promote the economic benefit of crop harvest from one to two, and rarely changes the microclimate in the interplanting field, promotes the reciprocal benefit of the interplanted crops, solves the problems existing in the single cropping of the intercropped crops, establishes the micro-ecological environment commonly adapted to the interplanted plants and realizes the effect of 1+1 being more than 2.
Disclosure of Invention
The invention aims to provide a method for interplanting pseudostellaria heterophylla in melastoma dodecandrum, overcomes the defects that the current research on interplanting pseudostellaria rarely changes the microclimate in interplanted fields, promotes the mutual and reciprocal benefits of interplanted crops and solves the problem existing in the single cropping of the intercropped crops, and provides a method for interplanting pseudostellaria heterophylla in melastoma which efficiently utilizes multiple resources such as light energy, nutrients, water, soil and the like, establishes a unique soil micro-ecological environment which is commonly adapted to the pseudostellaria heterophylla, increases the soil fertility, prevents and controls diseases and pests without pollution, relieves the problem of continuous cropping obstacles existing in the single cropping of pseudostellaria heterophylla to a certain extent, and has good interplanting effect, high yield and good benefit.
The method for interplanting radix pseudostellariae in melastoma dodecandrum trees provided by the invention comprises the following steps of:
(1) an interplanting structure determination experiment: dividing a whole planting field into a plurality of areas, limiting each area to be an interplanting unit, wherein the width of each interplanting unit is 1.7-2m, the length of each interplanting unit is undetermined, the interplanting structure of each interplanting unit is the same, taking one interplanting unit, analyzing by a single-factor experiment, determining the optimal interplanting structure by a statistical method by taking the interplanting density and the length of the interplanting unit as analysis factors;
(2) selecting a planting land and arranging planting soil: selecting a loose and fertile sandy soil planting field with good drainage and rich humus, applying enough base fertilizer to the soil, ploughing and leveling, dividing the planting field into a plurality of interplanting units according to the interplanting structure determined in the step (1), reserving 8-10cm intervals around each interplanting unit, and well digging footpaths and drainage ditches on the intervals, wherein the depth of the drainage ditches is 15-20cm, the middle part of each interplanting unit is a radix pseudostellariae cultivation bed, the height of the cultivation bed is 17-23cm, a layer of water-based filter membrane is laid at the position 15-17cm higher than the cultivation bed, the aperture of the filter membrane is 0.15-0.2cm, and the filter membrane is covered with humus soil to 17-23 cm;
(3) transplanting the melastoma dodecandrum lour trees: in 3-4 months of the first interplant year, selecting melastoma dodecandrum lour with good growth vigor and 2 years old to be planted on one side of a long edge of an interplant unit at intervals, wherein the planting quantity is calculated according to the interplant density in the step (1);
(4) sterilizing a radix pseudostellariae cultivation bed: preparing a disinfectant by adopting self-made natural disinfectant powder and quicklime according to a ratio of 3:1 at the beginning of 9-10 months every year, and uniformly scattering the disinfectant on a cultivation bed according to 1.5 kg/mu;
(5) planting pseudostellaria root: selecting complete bud heads, large ginseng bodies, no diseases and insect pests and no damage root tubers as seeds, sowing before sealing and freezing on the ground in the last ten days of 10 months every year, transversely ditching on a cultivation bed according to the row spacing of 12-15cm, keeping the depth of the ditches to be 6-9cm, planting the bud heads upwards according to the plant spacing of 5-7 cm into the ditches in the same direction and slightly inclined material, covering fine soil, compacting and watering, wherein the planting quantity of the radix pseudostellariae is calculated according to the interplanting density in the step (1);
(6) and (3) field management after planting: the method comprises the steps of fertilization management and pest control, wherein the fertilization management is specifically characterized in that once extra-root topdressing is carried out on the radix pseudostellariae in 3-4 months of the year, the fertilizer is a special bacterial fertilizer, and the special bacterial fertilizer is adopted to carry out foliar spraying on the radix pseudostellariae; the insect pest management method comprises the steps of completely dissolving the self-made natural disinfection powder in water according to the proportion of the self-made natural disinfection powder to the water being 1:20, and regularly and quantitatively spraying the radix pseudostellariae with the liquid;
(7) harvesting: cultivating for 6-8 months, wherein the plant height is 10-15cm, when 5-8 leaves grow, the filter membrane paved in the interplanting unit is vertically pulled upwards, and sandy soil is shaken off, thus completing harvesting of the radix pseudostellariae; the melastoma dodecandrum leaves can be picked in 2-4 months per year, and melastoma dodecandrum fruits can be picked in 8-9 months per year.
Preferably, the interplanting density in the step (1) is the ratio of the number of the radix pseudostellariae planted in each interplanting unit to the number of the melastoma dodecandrum trees, and the statistical method is to adopt a CCD (charge coupled device) design response surface experiment to obtain the optimal interplanting structure of the interplanting units.
Preferably, the self-made natural disinfection powder in the steps (4) and (6) is affine cudweed powder, and the affine cudweed powder is obtained by drying harvested affine cudweed in the spring, crushing and sieving.
Preferably, the bacterial manure prepared in the step (6) comprises the following components in parts by weight: 1-2 parts of bacterial manure component and 10-15 parts of nutrient component, wherein the bacterial manure component is as follows: bacillus subtilis and Bacillus megaterium, wherein the viable count of Bacillus subtilis and Bacillus megaterium is 2.3 × 109CFU/g-8 .6×109CFU/g, wherein the nutritional component is mixed powder obtained by mixing and crushing animal manure and rice hulls in a ratio of 1:1, when the biological fertilizer is used, the bacterial fertilizer component and the nutritional component are mixed according to parts by weight, water with 3 times of the weight of the special bacterial fertilizer is added, the mixture is fully stirred to prepare mother liquor, the mother liquor is added into a 100mg/L chitosan shaking table for fermentation for 2 hours, and then the mixture is fermented according to a ratio of 1: diluting with water at a ratio of 4-5, and spraying on leaf surface.
The present invention has the following advantages in the art: (1) starting from the biological and cultivation characteristics of the melastoma dodecandrum and the radix pseudostellariae, the optimal interplanting structure for interplanting the melastoma dodecandrum and the radix pseudostellariae is determined by a scientific method, the radix pseudostellariae is short and small in plant, shallow in root distribution, tall and large in melastoma dodecandrum plant, developed in root system, reasonably interplanted by the melastoma dodecandrum and the radix pseudostellariae, tall, short, deep and shallow in root, thin and dense in root, a single population is changed into a composite population, the two populations are mutually beneficial, multiple resources such as light energy, nutrients, water, land and the like are efficiently utilized by reasonable planting density, a unique soil micro-ecological environment jointly adapted by the radix pseudostellariae and the melastoma dodecandrum is established, soil fertility is increased, and diseases and insect pests are prevented and controlled; (2) the fallen melastoma dodecandrum leaves and fruits are rich in quercetin and phenolic glycoside with antiviral and antibacterial effects, the setting of the blocky interplanting unit obstructs the propagation of pathogenic microorganisms in the pseudostellaria root soil to a certain degree, a unique soil micro-ecological environment is established with melastoma dodecandrum root system, and the problem of continuous cropping obstacle existing in the single cropping pseudostellaria root is relieved to a certain degree; (3) the self-made natural disinfection powder used in the invention is the affine cudweed powder, the affine cudweed is rich in flavonoids, quercetin with antiviral effect and luteolin with antibacterial effect, the components are natural, and the radix pseudostellariae is regularly and quantitatively sprayed, so that the radix pseudostellariae is ensured to have no pesticide residue, no root and stem rot, normal development and good growth, the good quality of the radix pseudostellariae is ensured, meanwhile, the effective components of the affine cudweed can be permeated into soil and suspended in the air, the leaf spot disease of the melastoma dodecandrum can be effectively controlled, the disease rate of the melastoma dodecandrum is reduced, and the economic benefit is improved; (4) according to the special bacterial fertilizer, the bacterial fertilizer is prepared into mother liquor, and then chitosan is added for fermentation, so that the chitosan can induce the expression of thallus genes in the bacterial fertilizer, and the thallus genes are propagated in mass in soil to generate group advantages, so that components which are fixed and cannot be absorbed and utilized in the soil are decomposed, growth nutrition is continuously supplied, the soil fertility is increased, and the yield and income of radix pseudostellariae are increased; (5) according to the method, the water-based filter membrane is laid on the cultivation bed, the aperture of the filter membrane is just the size of the root tuber of the radix pseudostellariae, the overground part of the radix pseudostellariae grows upwards from the aperture of the filter membrane, the overground stem leaves are larger than the aperture, the filter membrane is pulled upwards vertically during harvesting, sandy soil is shaken off, the harvesting of the radix pseudostellariae can be completed, and manpower and material resources consumed by the traditional radix pseudostellariae harvesting are effectively reduced.
Description of the drawings:
fig. 1 is a three-dimensional response surface curve diagram of a response surface model for CCD Design using Design expert software when determining an optimal interplanting structure.
The specific implementation mode is as follows:
example 1: an interplanting structure determination experiment: selecting a loose and fertile sandy soil planting field with good drainage and rich humus, applying enough base fertilizer to the soil, ploughing and leveling, dividing the whole planting field into a plurality of areas, limiting each area to be an interplanting unit, wherein the width of each interplanting unit is 2m, analyzing by a single-factor experiment, and taking the interplanting density and the length of the interplanting unit as analysis factors, wherein the interplanting density is the ratio of the number of the radix pseudostellariae planted in each interplanting unit to the number of the melastoma trees, adopting Design expert software to carry out a CCD (charge coupled device) Design response surface experiment to determine the optimal interplanting structure, and the experimental factor level, the experimental result and the variance analysis of the optimal interplanting structure are shown in tables 1-3, and each datum is the average value of 3 parallel experiments;
table 1 level table of CCD experimental factors of main influencing parameters of interplanting structure
Figure RE-RE-DEST_PATH_IMAGE002AA
Watch 2 setExperimental result of CCD design with structure mainly influencing parameters
Experiment number A B Economic benefits (Yuan/square meter)
1 25 3 89
2 15 5 45
3 25 3 88
4 15 1 53
5 35 3 76
6 35 5 48
7 25 3 93
8 25 3 89
9 35 1 60
10 25 1 63
11 15 3 73
12 25 3 92
13 25 5 44
TABLE 3 analysis of variance of regression equation of interplant structural parameter influence
Origin of origin F value Prob>F Significance of
Model (model) 32.9 0.0001 Is remarkable in that
A 1.12 0.3257
B 10.05 0.0157 Is remarkable in that
A*B 0.16 0.7023
A*A 9.04 0.0198 Is remarkable in that
B*B 99.11 <0.0001 Is remarkable in that
Note: significant means p < 0.05, not significant means p > 0.05
Through analysis of variance of a regression equation of the model, B, A × A, B × B has a significant influence on a regression value, reliability analysis is performed on the model, the R value is 95.92%, and in combination with F =32.9, the probability greater than the F value is 0.0001 < 0.05, which indicates that the model sufficiently fits experimental data, and the optimal scheme obtained through fitting the equation is the planting quantity of radix pseudostellariae: the planting number of the melastoma dodecandrum trees is =25, the interplant unit length is 3m, and a three-dimensional response surface curve chart is shown in figure 1.
Example 2: preparing self-made natural disinfection powder: sun-drying affine cudweed harvested in spring, and then crushing and screening to obtain affine cudweed powder, namely the self-made natural disinfection powder.
Example 3: preparing a special bacterial fertilizer:
the special bacterial fertilizer comprises bacterial fertilizer components and nutrient components, wherein the bacterial fertilizer components are as follows: the nutrient components of the bacillus subtilis and the bacillus megatherium are mixed powder formed by mixing and crushing animal manure and rice hulls in a ratio of 1:1, when the bacillus subtilis and the bacillus megatherium are used, the bacterial manure components and the nutrient components are mixed according to parts by weight, water with the weight being 3 times that of the special bacterial manure is added, the mixture is fully stirred to prepare mother liquor, the mother liquor is added into a 100mg/L chitosan shaking table for fermentation for 2 hours, and then the ratio of the components is calculated according to the proportion of: diluting with water at a ratio of 4-5 for spraying on leaf surface;
the special bacterial fertilizer 1 comprises the following components in parts by weight: 1 part of bacterial fertilizer component and 10 parts of nutrient component, wherein the viable count of bacillus subtilis and bacillus megatherium is 2.3 multiplied by 109CFU/g;
The special bacterial fertilizer 2 comprises the following components in parts by weight: 2 parts of bacterial fertilizer component and 15 parts of nutrient component, wherein the viable count of bacillus subtilis and bacillus megatherium is 5.8 multiplied by 109CFU/g;
The special bacterial fertilizer 3 comprises the following components in parts by weight: 1.5 parts of bacterial fertilizer component and 12 parts of nutrient component, wherein the viable count of bacillus subtilis and bacillus megatherium is 8.6 multiplied by 109CFU/g。
Example 4: planting of Wudong rhodomyrtus tomentosa interplanting radix pseudostellariae experimental area A
(1) After sufficient base fertilizer is applied to the soil in the experimental area A, ploughing and leveling are carried out, 10cm of interval land is reserved around each interplanting unit, footpaths and drainage ditches are arranged on the interval land, the depth of each drainage ditch is 20cm, the middle part of each interplanting unit is a radix pseudostellariae cultivation bed, the height of each cultivation bed is 20-23cm, a layer of water-based filter membrane is laid at the position 15-17cm higher than the cultivation bed, the aperture of each filter membrane is 0.2cm, and the filter membrane is covered with humus soil to 20-23 cm;
(2) transplanting the melastoma dodecandrum lour trees: in 3-4 months of the first interplant year, selecting melastoma dodecandrum lour trees with good growth vigor and the tree age of 2 years to plant on the interplant interval land with the unit length of 3m, transplanting one melastoma dodecandrum lour tree at the interval of 50cm on one side of the long side of the interplant unit, planting at the two ends of the melastoma dodecandrum lour tree, and transplanting 7 melastoma dodecandrum lour trees in each interplant unit;
(3) sterilizing a radix pseudostellariae cultivation bed: at the beginning of 9-10 months per year, the self-made natural disinfectant powder prepared in the example 2 and the quicklime are adopted to prepare the disinfectant according to the proportion of 3:1, and the disinfectant is uniformly scattered on a cultivation bed according to 1.5 kg/mu;
(4) planting pseudostellaria root: selecting complete bud heads, large ginseng bodies, no diseases and insect pests and no damage root tubers as seeds, seeding before sealing and freezing on the ground in the last ten days of 10 months every year, transversely opening 5 ditches on a cultivation bed according to the row spacing of 15cm, keeping the depth of the ditches to be 6-9cm, planting the bud heads upwards according to the plant spacing of 7cm into the ditches in the same direction and slightly inclined material, planting 35 plants in each ditch on average, covering fine soil, compacting and watering, wherein the planting quantity of the radix pseudostellariae is 175;
(5) and (3) field management after planting: the method comprises the steps of fertilization management and pest control, wherein the fertilization management is specifically characterized in that once extra-root topdressing is carried out on the radix pseudostellariae in 3-4 months of the year, the used fertilizer is the special bacterial fertilizer 1 prepared in the embodiment 3, and the special bacterial fertilizer 1 is adopted to carry out foliar spraying on the radix pseudostellariae; the insect pest management method comprises the steps of completely dissolving the self-made natural disinfection powder prepared in the example 2 in water according to the proportion of 1:20, and regularly and quantitatively spraying the liquid to radix pseudostellariae;
(6) harvesting: cultivating for 6-8 months, wherein the plant height is 10-15cm, when 5-8 leaves grow, the filter membrane paved in the interplanting unit is vertically pulled upwards, and sandy soil is shaken off, thus completing harvesting of the radix pseudostellariae; the melastoma dodecandrum leaves can be picked in 2-4 months per year, and melastoma dodecandrum fruits can be picked in 8-9 months per year.
Example 5: planting of Wudong rhodomyrtus tomentosa interplanting radix pseudostellariae experimental area B
(1) After sufficient base fertilizer is applied to the soil in the experimental area B, ploughing and leveling, reserving 8cm intervals around each interplanting unit, and digging footpaths and drainage ditches on the intervals, wherein the depth of the drainage ditches is 15cm, the middle part of each interplanting unit is a radix pseudostellariae cultivation bed, the height of the cultivation bed is 17-20cm, a layer of water-based filter membrane is laid at the position 15-17cm higher than the cultivation bed, the aperture of the filter membrane is 0.15cm, and humus soil is covered on the filter membrane to 17-20 cm;
(2) transplanting the melastoma dodecandrum lour trees: in 3-4 months of the first interplant year, selecting melastoma dodecandrum lour trees with good growth vigor and the tree age of 2 years to be planted on the interplant interval land with the unit length of 3m, transplanting one melastoma dodecandrum lour tree at the interval of 30cm on one side of the long side of the interplant unit, planting at only one end, and transplanting 10 melastoma dodecandrum lour trees in each interplant unit;
(3) sterilizing a radix pseudostellariae cultivation bed: at the beginning of 9-10 months per year, the self-made natural disinfectant powder prepared in the example 2 and the quicklime are adopted to prepare the disinfectant according to the proportion of 3:1, and the disinfectant is uniformly scattered on a cultivation bed according to 1.5 kg/mu;
(4) planting pseudostellaria root: selecting complete bud heads, large ginseng bodies, no diseases and insect pests and no damage root tubers as seeds, sowing before sealing and freezing on the ground in the last ten days of 10 months every year, transversely opening 6 ditches on a cultivation bed according to the row spacing of 12cm, keeping the depth of the ditches to be 6-9cm, planting the bud heads upwards according to the plant spacing of 7cm into the ditches in the same direction and slightly inclined material, planting 42 plants in each ditch on average, covering fine soil, compacting and watering, wherein the planting quantity of the radix pseudostellariae in interplantation units is 250;
(5) and (3) field management after planting: the method comprises the steps of fertilization management and insect pest management, wherein the fertilization management is specifically characterized in that once extra-root topdressing is carried out on the radix pseudostellariae in 3-4 months of the year, the used fertilizer is the special bacterial fertilizer 2 prepared in the embodiment 3, and the special bacterial fertilizer 2 is adopted to carry out foliar spraying on the radix pseudostellariae; the insect pest management method comprises the steps of completely dissolving the self-made natural disinfection powder prepared in the example 2 in water according to the proportion of 1:20, and regularly and quantitatively spraying the liquid to radix pseudostellariae;
(6) harvesting: cultivating for 6-8 months, wherein the plant height is 10-15cm, when 5-8 leaves grow, the filter membrane paved in the interplanting unit is vertically pulled upwards, and sandy soil is shaken off, thus completing harvesting of the radix pseudostellariae; the melastoma dodecandrum leaves can be picked in 2-4 months per year, and melastoma dodecandrum fruits can be picked in 8-9 months per year.
Example 6: planting of Wudong rhodomyrtus tomentosa interplanting radix pseudostellariae experimental area C
(1) After sufficient base fertilizer is applied to the soil in the experimental area C, ploughing and leveling, reserving 10cm intervals around each interplanting unit, and digging footpaths and drainage ditches on the intervals, wherein the depth of the drainage ditches is 18cm, the middle part of each interplanting unit is a radix pseudostellariae cultivation bed, the height of the cultivation bed is 19-22cm, a layer of water-based filter membrane is laid at the position 15-17cm higher than the cultivation bed, the aperture of the filter membrane is 0.2cm, and humus is covered on the filter membrane to 19-22 cm;
(2) transplanting the melastoma dodecandrum lour trees: in 3-4 months of the first interplant year, selecting melastoma dodecandrum lour trees with good growth vigor and the tree age of 2 years to plant on the interplant interval land with the unit length of 3m, transplanting one melastoma dodecandrum lour tree at the interval of 60cm on one side of the long side of the interplant unit, planting at two ends of the melastoma dodecandrum lour tree, and transplanting 6 melastoma dodecandrum lour trees in each interplant unit;
(3) sterilizing a radix pseudostellariae cultivation bed: at the beginning of 9-10 months per year, the self-made natural disinfectant powder prepared in the example 2 and the quicklime are adopted to prepare the disinfectant according to the proportion of 3:1, and the disinfectant is uniformly scattered on a cultivation bed according to 1.5 kg/mu;
(4) planting pseudostellaria root: selecting complete bud heads, large ginseng bodies, no diseases and insect pests and no damage root tubers as seeds, seeding before sealing and freezing on the ground in the last ten days of 10 months every year, transversely opening 4 ditches on a cultivation bed according to the row spacing of 15cm, keeping the depth of the ditches to be 6-9cm, planting the bud heads upwards according to the plant spacing of 7cm into the ditches in the same direction and slightly inclined material, covering fine soil, compacting and watering, wherein the planting quantity of the radix pseudostellariae in the interplanting unit is 150;
(5) and (3) field management after planting: the method comprises the steps of fertilization management and insect pest management, wherein the fertilization management is specifically characterized in that once extra-root topdressing is carried out on the radix pseudostellariae in 3-4 months of the year, the used fertilizer is the special bacterial fertilizer 3 prepared in the embodiment 3, and the special bacterial fertilizer 3 is adopted to carry out foliar spraying on the radix pseudostellariae; the insect pest management method comprises the steps of completely dissolving the self-made natural disinfection powder prepared in the example 2 in water according to the proportion of 1:20, and regularly and quantitatively spraying the liquid to radix pseudostellariae;
(6) harvesting: cultivating for 6-8 months, wherein the plant height is 10-15cm, when 5-8 leaves grow, the filter membrane paved in the interplanting unit is vertically pulled upwards, and sandy soil is shaken off, thus completing harvesting of the radix pseudostellariae; the melastoma dodecandrum leaves can be picked in 2-4 months per year, and melastoma dodecandrum fruits can be picked in 8-9 months per year.
Example 7: the interplanting of melastoma dodecandrum and radix pseudostellariae on the melastoma dodecandrum is relatively good in plant growth condition and economic benefit
1. Experimental varieties: cudrania tricuspidata No. 3 and Wu Ren tree of 2 years old;
2. summary of the experiments: the experimental land is continuously planted for 1 year, the soil is loam which is slightly acidic and has medium fertility, and the experimental land is divided into 15 experimental districts according to the specification of 3 meters in length and 2 meters in width;
3. experiment design: the experiments were grouped into 5 groups, each group using one experimental cell and each group having 3 replicates, and were randomly arranged, with the following results:
Figure RE-RE-DEST_PATH_IMAGE006AA
the experimental result is calculated by 10 jin of tender leaf of the melastoma dodecandrum lour and 80 jin of heterophylly falsestarwort root, and the interplanting of melastoma dodecandrum lour and heterophylly falsestarwort root effectively relieves the damage of plant diseases and insect pests to plants and improves the economic benefit.

Claims (4)

1. A method for interplanting radix pseudostellariae in melastoma dodecandrum is characterized by comprising the following steps:
(1) an interplanting structure determination experiment: dividing a whole planting field into a plurality of areas, limiting each area to be an interplanting unit, wherein the width of each interplanting unit is 1.7-2m, the length of each interplanting unit is undetermined, the interplanting structure of each interplanting unit is the same, taking one interplanting unit, analyzing by a single-factor experiment, determining the optimal interplanting structure by a statistical method by taking the interplanting density and the length of the interplanting unit as analysis factors;
(2) selecting a planting land and arranging planting soil: selecting a loose and fertile sandy soil planting field with good drainage and rich humus, applying enough base fertilizer to the soil, ploughing and leveling, dividing the planting field into a plurality of interplanting units according to the interplanting structure determined in the step (1), reserving 8-10cm intervals around each interplanting unit, and well digging footpaths and drainage ditches on the intervals, wherein the depth of the drainage ditches is 15-20cm, the middle part of each interplanting unit is a radix pseudostellariae cultivation bed, the height of the cultivation bed is 17-23cm, a layer of water-based filter membrane is laid at the position 15-17cm higher than the cultivation bed, the aperture of the filter membrane is 0.15-0.2cm, and the filter membrane is covered with humus soil to 17-23 cm;
(3) transplanting the melastoma dodecandrum lour trees: in 3-4 months of the first interplant year, selecting melastoma dodecandrum lour with good growth vigor and 2 years old to be planted on one side of a long edge of an interplant unit at intervals, wherein the planting quantity is calculated according to the interplant density in the step (1);
(4) sterilizing a radix pseudostellariae cultivation bed: preparing a disinfectant by adopting self-made natural disinfectant powder and quicklime according to a ratio of 3:1 at the beginning of 9-10 months every year, and uniformly scattering the disinfectant on a cultivation bed according to 1.5 kg/mu;
(5) planting pseudostellaria root: selecting complete bud heads, large ginseng bodies, no diseases and insect pests and no damage root tubers as seeds, sowing before sealing and freezing on the ground in the last ten days of 10 months every year, transversely ditching on a cultivation bed according to the row spacing of 12-15cm, keeping the depth of the ditches to be 6-9cm, planting the bud heads upwards according to the plant spacing of 5-7 cm into the ditches in the same direction and slightly inclined material, covering fine soil, compacting and watering, wherein the planting quantity of the radix pseudostellariae is calculated according to the interplanting density in the step (1);
(6) and (3) field management after planting: the method comprises the steps of fertilization management and pest control, wherein the fertilization management is specifically characterized in that once extra-root topdressing is carried out on the radix pseudostellariae in 3-4 months of the year, the fertilizer is a special bacterial fertilizer, and the special bacterial fertilizer is adopted to carry out foliar spraying on the radix pseudostellariae; the insect pest management method comprises the steps of completely dissolving the self-made natural disinfection powder in water according to the proportion of the self-made natural disinfection powder to the water being 1:20, and regularly and quantitatively spraying the radix pseudostellariae with the liquid;
(7) harvesting: cultivating for 6-8 months, wherein the plant height is 10-15cm, when 5-8 leaves grow, the filter membrane paved in the interplanting unit is vertically pulled upwards, and sandy soil is shaken off, thus completing harvesting of the radix pseudostellariae; the melastoma dodecandrum leaves can be picked in 2-4 months per year, and melastoma dodecandrum fruits can be picked in 8-9 months per year.
2. The method for interplanting radix pseudostellariae and melastoma dodder as claimed in claim 1, wherein the interplanting density in the step (1) is a ratio of the number of the radix pseudostellariae planted in each interplanting unit to the number of the melastoma dodder, and the statistical method is to adopt a CCD (charge coupled device) designed response surface experiment to obtain an optimal interplanting structure of the interplanting units.
3. The method for interplanting melastoma dodecandrum trees and radix pseudostellariae according to claim 1, wherein the self-made natural disinfection powder in the steps (4) and (6) is affine cudweed powder, and the affine cudweed powder is obtained by drying harvested affine cudweed in the spring, crushing and sieving.
4. The method for interplanting melastoma dodecandrum lour and radix pseudostellariae according to claim 1, wherein the special bacterial manure prepared in the step (6) comprises the following components in parts by weight: 1-2 parts of bacterial manure component and 10-15 parts of nutrient component, wherein the bacterial manure component is as follows: bacillus subtilis and Bacillus megaterium, wherein the viable count of Bacillus subtilis and Bacillus megaterium is 2.3 × 109CFU/g-8 .6×109CFU/g, wherein the nutritional component is mixed powder obtained by mixing and crushing animal manure and rice hulls in a ratio of 1:1, when the biological fertilizer is used, the bacterial fertilizer component and the nutritional component are mixed according to parts by weight, water with 3 times of the weight of the special bacterial fertilizer is added, the mixture is fully stirred to prepare mother liquor, the mother liquor is added into a 100mg/L chitosan shaking table for fermentation for 2 hours, and then the mixture is fermented according to a ratio of 1: diluting with water at a ratio of 4-5, and spraying on leaf surface.
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