NL2025296B1

NL2025296B1 - Method for Interplanting Lycopersicon esculentum Mill. with Taraxacum mongolicum Hand.-Mazz.

Info

Publication number: NL2025296B1
Application number: NL2025296A
Authority: NL
Inventors: Yang Ning; Wen Dan; Sun Kaining; Wang Ke’An; Wang Xiao; Zhang Chuankun
Original assignee: Inst Of Vegetables And Flowers Shandong Academy Of Agricultural Sciences
Priority date: 2019-06-19
Filing date: 2020-04-08
Publication date: 2021-02-23
Also published as: CN110169316A; NL2025296A

Abstract

The present invention discloses a method for interplanting Lycopersicon esculentum Mill. with Taraxacum mongolicum Hand.-Mazz. and belongs to the technical field of crop planting. In the present invention, when plants of Lycopersicon esculentum Mill. are about 50 cm high, seeds of Taraxacum mongolicum Hand-Mazz. are sown between two rows of plants of Lycopersicon esculentum Mill. to realize interplanting Taraxacum mongolicum Hand.-Mazz. The method for interplanting Lycopersicon esculentum Mill. with Taraxacum mongolicum Hand.-Mazz. disclosed in the present invention can make full use of space to realize the maximum use of land space. According to the growth habits of Lycopersicon esculentum Mill. and Taraxacum mongolicum Hand.-Mazz., different cultivation methods are implemented, which not only realizes the cultivation of two crops on a same land, but also achieves good growth of the two crops. Through interplanting Lycopersicon esculentum Mill. with Taraxacum mongolicum Hand.-Mazz., greater economic benefits are achieved.

Description

Method for Interplanting Lycopersicon esculentum Mill. with Taraxacum mongolicum Hand.-Mazz. Technical Field

[0001] The present invention relates to the technical field of crop planting, and more specifically relates to a method for interplanting Lycopersicon esculentum Mill. with Taraxacum mongolicum Hand.-Mazz. Background

[0002] Tomato (Latin name: Lycopersicon esculentum Mill.) 1s a thermophilic vegetable. The optimum temperature for its plant growth is 20-25°C, and the optimum temperature for its root growth is 20-22°C. Lycopersicon esculentum Mill. is sun-loving with a light saturation point of 70,000 lux and a suitable light intensity of 30,000-50000 lux. Lycopersicon esculentum Mill. 1s water-loving with a suitable soil humidity of 60-80% and a suitable air humidity of 45-50% in general. Lycopersicon esculentum Mill. grows well in well-drained, organic-rich fertile loam with a suitable pH of 6-7.

[0003] Dandelion (Latin name: Zaraxacum mongolicum Hand -Mazz.) is a perennial herb of the genus Zaraxacum in the family Asteraceae. Its root is conical with a tan shrinking surface. The leaf edge is sometimes saw-tooth shaped or with a pinnate deep cleft and the leaf base gradually narrows into the petiole. The petiole and main vein are often reddish- purple. The upper part of the scape is amaranth, densely covered with arachnoid white villous. Taraxacum mongolicum Hand.-Mazz. has a flower head, a campanulate periclinium, dark brown achenes, and white long pappus with flowers and fruits from April to October. Its seeds have no dormant period. After harvest, the seeds can be planted at any time from spring to autumn.

[0004] Currently, tomato 1s generally planted by a monoculture. This planting method can achieve a convenient, unified, and professional management. However, this planting method results in a singular ecosystem, which is easy to cause infective diseases. Meanwhile, there is a certain distance between each tomato plant. If these spaces can be further used to improve the ability of tomato to prevent diseases, it will further enhance the ability of green prevention and control and increase economic benefits.

[0005] In the prior art, a number of methods for interplanting tomato are disclosed. For example, a Chinese invention patent with the publication number "CN109526503A" discloses "a method for interplanting a citrus with a tomato". Since the tomato is sun- loving, when interplanting the tomato with the citrus, the citrus will affect the light conditions of the tomato, and thus affect the growth of the tomato, which has not increased the economic benefit significantly. A Chinese invention patent with the publication number "CN 103988652A" discloses "a high-yield cultivation method for interplanting a tomato with a kidney bean". The so-called "interplanting” in this invention is an interval planting of a row of the tomato with a row of the kidney bean, which does not make full use of space; and moreover, it is well known that kidney beans are prone to be harmed by worms, and the interplanting of tomatoes with kidney beans is inevitable to increase the frequency of diseases on tomatoes. If pesticides are used to control the diseases, it will cause adverse effects on the environment and cause harm to the body of consumers.

[0006] In sum, in the current methods for interplanting tomatoes, crops have insufficient resistance to diseases, and controlling the diseases through pesticides has adverse effects on the environment; or, the planting is not convenient or the economic benefits have not been significantly improved.

Summary

[0007] To solve the problems that crops have insufficient resistance to diseases and the planting is not convenient or the economic benefits have not been significantly improved in the methods for interplanting tomatoes in the prior art, the present invention provides a method for interplanting Lycopersicon esculentum Mill. with Taraxacum mongolicum

Hand.-Mazz.

[0008] The technical solution of the present invention is as follows: a method for interplanting Lycopersicon esculentum Mill. with Taraxacum mongolicum Hand.-Mazz. includes: 1) Lycopersicon esculentum Mill. colonizing performing a pregermination on Lycopersicon esculentum Mill, culturing seedlings, and when the seedlings grow to have 4-6 leaves, colonizing the seedlings at a row spacing of 50-60 cm and a plant spacing of 22-28 cm; 2) Taraxacum mongolicum Hand.-Mazz. planting when the plants of Lycopersicon esculentum Mill. grow to 45-55 cm in length, sowing seeds of Taraxacum mongolicum Hand.-Mazz. between every two rows of the plants of Lycopersicon esculentum Mill. at a seeding rate of 0.05-0.20 kg per mu (1 mu is equal to 0.0667 hectares); colonizing the seedlings of Taraxacum mongolicum Hand.- Mazz. 10-30 days after sprouting at a plant spacing of 5-12cm; 3) management after recovering the seedlings of Lycopersicon esculentum Mill. and before fruit setting, promoting roots and controlling the seedlings to prevent the stems and leaves of the plants from growing vigorously; when the plants of Lycopersicon esculentum Mill. grow to 45-50 cm in length, tying vines, pruning branches, and pruning tips in time; after pruning, when side buds grow to 3 cm, removing the side buds; after the seeds of Taraxacum mongolicum Hand. -Mazz. sprout, performing a weeding; 4) fertilization without topdressing the plants of Lycopersicon esculentum Mill. at the seedling stage, applying a fertilizer with water or applying a soybean cake fermented solution at a fruit expansion stage; fertilizing the plants of Taraxacum mongolicum Hand -Mazz. with the plants of Lycopersicon esculentum Mill; 5) harvesting when the fruits of Lycopersicon esculentum Mill. reach a mature stage 40-50 days after flowering, performing the harvesting in time; and picking outer large leaves of the plants of Taraxacum mongolicum Hand.-Mazz. for food at the seedling stage or cutting leaves other than center leaves of the plants of Taraxacum mongolicum Hand.-Mazz. for food every 15-20 days; or, cutting the whole plants at a place of a 1.5 cm from a ground surface in parallel, and remaining underground roots to grow new buds.

[0009] As a preferred solution, in performing the pregermination on Lycopersicon esculentum Mill. in step 1), a strain of Lycopersicon esculentum Mill. 1s selected, and plump seeds of the strain of Lycopersicon esculentum Mill. 1s selected; after sterilizing the seeds, rinsing the seeds with water; then, the seeds are immersed in water at 25-30°C for 4-6 hours; and next, performing the pregermination after the seeds is wrapped with air- permeable gauze, wherein during the pregermination process, the seeds are breathable and have enough water, the seeds can be sown after the seeds are germinated; if the seeds are coated, a disinfection process is omitted and the seeds are directly pregerminated and sown.

[0010] As a preferred solution, in culturing seedlings of Lycopersicon esculentum Mill. in step 1), a substrate is mixed with water to achieve a state that a group can be formed by clenching the mixture and is prone to be scattered after loosening, and then the mixture is loaded into a multi-hole tray; the seeds of Lycopersicon esculentum Mill. after germinating are cultured in individual holes.

[0011] As a preferred solution, a method for obtaining the seeds of Taraxacum mongolicum Hand.-Mazz. in step 2) includes: harvesting the seeds when an outer shell of a flower disc changes from green to yellow- green in color, and the seeds change from milky white to brown in color; during harvesting, removing the flower disc of Lycopersicon esculentum Mill, storing the flower disc in a room for ripening for one day; after the flower disc 1s completely spread out,

then drying in a shade for 1-2 days until the seeds are half dry, rubbing fluff at a tip of the seeds by hand, and then drying the seeds for subsequent use.

[0012] As a preferred solution, before colonizing the seedlings of Lycopersicon esculentum Mill, a land is prepared; first, soil of the land is disinfected and applied with farmyard 5 manure and/or a compound fertilizer containing nitrogen, phosphorus, and potassium, and then, the land is made into ridges and border checks.

[0013] Further, the border checks are flat with a width of 1-1.3 meters at a border check spacing of 40-60 cm, and a height of an edge of each of the border checks 1s 15-25 cm.

[0014] As a preferred solution, in colonizing the seedlings of Lycopersicon esculentum Mill. in step 1): a colonizing date of an open field cultivation in northern China is from early May to late May, and a colonizing depth is determined according to that the substrate 1s level with the ground; autumn-winter seedlings are colonized after opening the holes on a rainy day or in the evening in early to mid September, water is applied for stabilizing the seedlings in the colonizing by the holes; after all rooms are planted with the seedlings, water is poured along a ditch for colonizing the seedlings; and winter-spring seedlings are colonized when a temperature 10 cm below the ground in the greenhouse is stable above 10°C in mid to late January.

[0015] As a preferred solution, after sowing the seeds of Taraxacum mongolicum Hand.- Mazz. in step 2), the seeds are covered with a layer of fine soil.

[0016] As a preferred solution, fertilizing Lycopersicon esculentum Mill. at the fruit expansion stage in step 4) includes applying the fertilizer with water when fruits of first, second, third, and fourth ears grow to a size equal to that of a walnut and are expanding,

[0017] Further, in applying the fertilizer with water in step 4), 30-40 kg of a ternary compound fertilizer per mu, or 12-17 kg of urea and 8-12 kg of potassium chloride per mu is applied.

[0018] The advantages of the present invention are as follows:

1. The method for interplanting Lycopersicon esculentum Mill. with Taraxacum mongolicum Hand.-Mazz. disclosed in the present invention can make full use of space to realize the maximum use of land space.

[0019] 2. The function of preventing diseases of Taraxacum mongolicum Hand.-Mazz. effectively improves the growth environment of Lycopersicon esculentum Mill. in a green way and greatly reduces crop diseases; which is beneficial to the growth and harvest of Crops.

[0020] 3. According to the growth habits of Lycopersicon esculentum Mill. and Taraxacum mongolicum Hand.-Mazz., different cultivation methods are implemented, which not only realizes the cultivation of two crops on a same land, but also achieves good growth of the two crops. Through interplanting Lycopersicon esculentum Mill. with Taraxacum mongolicum Hand -Mazz., greater economic benefits are achieved. Brief Description of the Drawings

[0021] To more clearly explain the embodiments of the present invention or technical solutions in the prior art, the drawings that are used in the embodiments or the description of the prior art are briefly introduced below. Obviously, the drawings in the following description are just some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without paying creative labor.

[0022] FIG. 1 1s a diagram showing a growth state of Lycopersicon esculentum Mill. mterplanted with Taraxacum mongolicum Hand -Mazz. 1n an experimental field; FIG. 2 is a schematic diagram showing a field structure of a method for interplanting Lycopersicon esculentum Mill. with Taraxacum mongolicum Hand.-Mazz. of the present invention;

In FIG. 2, 1-watering ditch; 2-plant of Lycopersicon esculentum Mill ; 3-1-first flat border check; 3-2-second flat border check; 3-3-third flat border check; and 4-seedling of Taraxacum mongolicum Hand.-Mazz.

Detailed Description of the Embodiments

[0023] Embodiment 1 A method for interplanting Lycopersicon esculentum Mill. with Taraxacum mongolicum Hand.-Mazz. is as follows:

1. Preparing seedlings of Lycopersicon esculentum Mill.

A strain of Lycopersicon esculentum Mill. is selected. Plump seeds of the strain of Lycopersicon esculentum Mill. with uniform size are selected and disinfected with 2.5% sodium hypochlorite. After 10 minutes, the seeds are rinsed with water for more than 5 times until no residual sodium hypochlorite remains. Then, the seeds are immersed in water at a normal temperature of 25-30°C water for 4-6 hours. After immersing, the seeds are wrapped with air-permeable gauze and then pregerminated under an environment at about 28°C. After that, the seeds should be breathable and have enough water every day. After the seeds are germinated, they can be sown and cultured. If the commercial seeds, namely the seeds, are coated with seeds, the disinfection process can be omitted and the seeds can be directly pregerminated and sown.

[0024] The sowing substrate may include peat, vermiculite, and perlite in a ratio of 3:1:1, and substrates with other formulas may also be selected. The substrate is mixed with water to achieve a state that a group can be formed by clenching the mixture and is prone to be scattered after loosening, and then is loaded into a fifty-hole tray. The seeds of Lycopersicon esculentum Mill. after germinating are cultured to obtain the seedlings in individual holes, and the seedlings are transplanted when they grow to have 4 leaves.

[0025] 2. Obtaining seeds of Taraxacum mongolicum Hand.-Mazz.

Taraxacum mongolicum Hand.-Mazz. is a perennial plant, and its biennial plant can bloom and seed in wild conditions. In early summer, the number of blooming and seeding increases with the number of years of growth. Some individual plants can bloom more than 20 flowers. Fine varieties can bloom more than 20 flowers per plant, and the seeds mature after 13-15 days after flowering. The seeds are harvested when an outer shell of a flower disc changes from green to yellow-green in color and the seeds change from milky white to brown in color. The harvesting should be performed before the flower disc 1s cracked, otherwise the seeds will easily scatter, resulting in a big loss. Generally, the number of seeds of each flower head is above 100. A thousand-grain weight of seeds of a large-leaf dandelion is about 2 g, and a thousand-grain weight of seeds of a small-leaf dandelion is about0.8-12g.

[0026] During collecting the seeds, the flower disc of Taraxacum mongolicum Hand.- Mazz. is removed. The flower disc is stored in a room for ripening for one day. After being completely spread out, the flower disc is dried in a shade for 1-2 days until the seeds are half dry. Fluff at a tip of the seeds is rubbed out by hand, followed by drying the seeds for subsequent use.

[0027] 3. Land preparation Lycopersicon esculentum Mill. is not suitable to cultivate for continuous cropping. A disinfection should be performed on soil before colonizing, and farmyard manure or compost should be re-applied to improve the soil.

In the land preparation, 10 cubic meters of high-quality decayed farmyard manure (The amount 1s adjusted according to the soil fertility and the type of farmyard manure added in time) and 20 kg of a compound fertilizer containing nitrogen, phosphorus, and potassium are applied per mu of the land. After thoroughly mixing the fertilizers with the soil, the land is processed to form ridges and border checks.

[0028] The land is made into flat border checks with a width of 1.2 meters, and is planted in two rows. Each room or piece of the land is made into a number of flat border checks with a width of 1.2 meters. The interval between each two border checks is 45-50cm. The height of the ridge at each of the border check edge is 15 cm to form a watering ditch between each two border checks.

[0029] Ridges are provided on the left and right sides of the long side of the land in FIG. 2 with a ridge height of 15-25cm. There are three flat border checks on this land, including the first flat border check 3-1, the second flat border check 2-3, and the third flat border check 3-3. Each flat border check has a width of 1.2 meters. The ridges are provided on the two long sides of the first flat border check 3-1, the second flat border check 3-2, and the third flat border check 3-3, with a ridge height of 15 cm. In this way, the watering ditches 1 are formed between the left ridge of the entire land and the left ridge of the first flat border check 3-1, between the right ridge of the first flat border check 3-1 and the left ridge of the second flat border check 3-1, between the right ridge of the second border check 3-2 and the left ridge of the third border check 3-3, and between the right ridge of the third flat border check 3-3 and the right ridge of the entire land.

[0030] 4. Lycopersicon esculentum Mill. planting The colonizing date of an open field cultivation in northern China is from early May to late May, and the colonizing depth is determined according to that the substrate 1s level with the ground.

[0031] Autumn-winter seedlings are colonized after opening the holes on a rainy day or in the evening in early to mid September, water is applied for stabilizing the seedlings in the colonizing by the holes; after all rooms are planted with the seedlings, water 1s poured along the ditches for colonizing the seedlings. The amount of water should be large enough to moisten the ridges.

[0032] Winter-spring seedlings are colonized when a temperature 10 cm below the ground in the greenhouse 1s stable above 10°C in mid to late January.

[0033] The plants of Lycopersicon esculentum Mill. are colonized at a row spacing of 55- 60 cm and a plant spacing of 22-28 cm. As shown in FIG. 2, according to the above row spacing and plant spacing, two rows of the plants of Lycopersicon esculentum Mill. 2 are planted on the first flat border check 3-1, the second flat border check 3-2, and the third flat border check 3-3, respectively.

[0034] 5. Taraxacum mongolicum Hand.-Mazz. planting When the plants of Lycopersicon esculentum Mill. grow to 45-55 cm in length, Taraxacum mongolicum Hand -Mazz. can be planted.

[0035] Broadcast sowing or strip sowing 1s performed between two rows of the plants of Lycopersicon esculentum Mill. on each border check. For the strip sowing, shallow ditches on the surface of the border checks are provided with a row spacing of 10 cm, and the seeds of Taraxacum mongolicum Hand. -Mazz. are scattered in the shallow ditches.

[0036] As shown in FIG. 2, the seedlings of Taraxacum mongolicum Hand -Mazz. 4 between the two rows of the plants of Lycopersicon esculentum Mill. 2 on the first flat border check 3-1 and the third flat border check 3-3 are unevenly distributed. The seedlings of Taraxacum mongolicum Hand -Mazz. on these two border checks are sown by randomly broadcast sowing. On the second flat border check 3-2, the seedlings of Taraxacum mongolicum Hand.-Mazz. 4 between the two rows of the plants of Lycopersicon esculentum Mill. 2 are evenly distributed. The seedlings of Taraxacum mongolicum Hand. - Mazz. on the second flat border check 3-2 are sown by the strip sowing. The dimensions in FIG.2 are used for illustration only, and do not represent the actual dimensions. The actual dimensions are based on the text description.

[0037] For the broadcast sowing, 1.5-2.0 kg of seeds is used per mu. Good quality dandelion seeds are used in smaller amounts of only 25-50 g per mu. For the strip sowing,

0.5-0.75 kg of seeds 1s used per mu.

[0038] After sowing, the seeds are covered with a layer of fine soil. After the sowing, the seeds can be covered with a film or not. The seedlings may emerge in about 6 days.

[0039] 6. Management After recovering the seedlings of Lycopersicon esculentium Mill. and before fruit setting, watering is controlled, roots are promoted and the seedlings are controlled to prevent the stems and leaves of the plants from growing vigorously. When the plants of Lycopersicon esculentum Mill. grow to 50 cm in length, the vines are tied with plastic rope to ensure normal growth. The branches are pruned by pruning for a single stem, that 1s, all side buds are removed except for the top bud. The tops are punctured in time according to the growth of the plants. When growing to 3 cm, the side buds are removed in time. Removing them too early or too late is not conducive to the plant growth and development. It is not advisable to remove the buds on rainy days to prevent infectious diseases.

[0040] Intertillage weeding for Taraxacum mongolicum Hand.-Mazz.: when the seedlings of Taraxacum mongolicum Hand -Mazz. emerge for about 10 days, the first intertillage weeding can be performed. Subsequently, performing the intertillage weeding every 10 days until the ridges are closed. It should be ensured that there are no weeds in the land. Weeding can be done manually after the ridges are closed. Thinning and final singling of seedlings: combined with the mntertillage weeding, the thinning and final singling of the seedlings are carried out. The seedlings are thinned about 10 days after the emergence of the seedlings. The plant spacing in the broadcast sowing may be controlled to be 3-5 cm. The final singling of the seedlings can be performed after 20-30 days with a plant spacing of 8-10 cm.

[0041] 7. Fertilization No topdressing is performed on the plants of Lycopersicon esculentum Mill. at the seedling stage. High rates of fertilization are applied at a fruit expansion stage. Fertilizers with water are applied when fruits of first, second, third, and fourth ears grow to a size equal to that of a walnut and are expanding. If there are many ears left, the number of topdressings should be appropriately increased. 30-40 kg of a ternary compound fertilizer 1s applied per mu; or 15 kg of urea and 10 kg of potassium chloride are applied: or a soybean cake fermented solution 1s applied. Taraxacum mongolicum Hand.-Mazz. is suitable to fertile, moist, loose, high-organic soils, but the soil conditions are not strict. The plants of

Taraxacum mongolicum Hand .-Mazz. may be fertilized with the plants of Lycopersicon esculentum Mill.

[0042] Harvesting When the fruits of Lycopersicon esculentum Mill. reach a mature stage 40-50 days after flowering, namely, the time when three quarters of the fruits turn red or yellow is harvest time, the harvesting should be performed in time. Compared to spring tomatoes, summer-autumn tomatoes are faster in coloring, are easier to ripen, and are more likely to soften and degenerate. If selling nearly, the summer-autumn tomatoes should be harvested after the fruits begin to turn red. If transporting to a far place, the summer- autumn tomatoes should be harvested during the white-mature or color-changing period.

[0043] Outer large leaves of the plants of Taraxacum mongolicum Hand -Mazz. can be picked for food at the seedling stage or the leaves other than center leaves of the plants of Taraxacum mongolicum Hand.-Mazz. 1s cut for food with a knife every 15-20 days. Or, the whole plants are cut for the market. Generally, 700-800 kg can be produced per harvest per mu. When harvesting, a hook knife or a small knife may be used to dig at a place of a 1.5 cm from a ground surface in parallel. The underground roots are remained to grow new buds. Large plants are first harvested, leaving small and medium plants to continue to grow. The harvesting may be performed as breaking off celery leaves in some places while the leaves are scattered and do not form leaf bundles. If the leaves of Taraxacum mongolicum Hand.-Mazz. are not sold in time, they can also be washed and dried directly to make dandelion tea for long-term storage and sale.

[0044] As shown in FIG. 1, according to the method of the present invention, in the experimental field of Lycopersicon esculentum Mill. interplanting with Taraxacum mongolicum Hand.-Mazz., both Lycopersicon esculentum Mill. and Taraxacum mongolicum Hand.-Mazz. grew well. Compared with the blank experimental field (the experimental field of Lycopersicon esculentum Mill. without interplanting Taraxacum mongolicum Hand.-Mazz.), the tomato yield increased without reduction. The reason is that because Taraxacum mongolicum Hand.-Mazz. does not affect the light and growth of Lycopersicon esculentum Mill, and the cultivation of Taraxacum mongolicum Hand.- Mazz. significantly reduces the disease of Lycopersicon esculentum Mill, thereby increasing the yield of tomatoes.

[0045] It can be seen that the method of the present invention allows the yield of tomatoes to increase without reduction and to harvest dandelions at the same time, which greatly increases the economic benefits per mu of land and realizes the maximum use of land space. Meanwhile, the function of preventing diseases of Taraxacum mongolicum Hand.-Mazz. effectively improves the growth environment of Lycopersicon esculentum Mill. in a green way and greatly reduces crop diseases.

Claims

CONCLUSIONS

1. A method for the interplantation of Lycopersicon esculentum Mill. with Taraxacum mongolicum Hand-Mazz., consisting of: 1) colonizing Lycopersicon esculentum Mill. performing a pre-germination on Lycopersicon esculentum Mill., growing seedlings and when the seedlings get 4-6 leaves, colonizing the seedlings at a row distance of 50-60 cm and a planting distance of 22-28 cm; 2) planting Taraxacum mongolicum Hand.-Mazz.

when the plants of Lycopersicon esculentum Mill. grow to a length of 45-55 cm, sowing seeds of Taraxacum mongolicum Hand.-Mazz. between every two rows of the Lycopersicon esculentum Mill plants. at a sowing rate of 0.05-0.20 kg per mu (1 mu equals 0.0667 hectare); colonizing the seedlings of Taraxacum mongolicum Hand.-Mazz 10-30 days after germination at a planting distance of 5-12 cm; 3) Administer Lycopersicon esculentum Mill seedlings after collecting. and before fruiting, promoting roots and managing the seedlings to prevent the stems and leaves of the plants from growing fast; when the plants of Lycopersicon esculentum Mill. growing to a length of 45-50 cm, tying them to climbing sticks, pruning branches, pruning tops in time; after pruning, when the side buds grow to 3 cm, remove the side buds; after the seeds of 7araxacum mongolicum Hand.-Mazz. sprouts, weeding; 4) fertilization without the plants of Lycopersicon esculentum Mill. topdressing in the seedling phase, applying a fertilizer with water or applying a fermented soybean cake solution in a fruit expansion phase; fertilizing the plants of Taraxacum mongolicum Hand.-Mazz. with the plants of Lycopersicon esculentum Mill .; 5) When harvesting the fruits of Lycopersicon esculentum Mill. reach a mature stage 40-50 days after flowering, harvest on time; and plucking the outer large leaves of the plants of Taraxacum mongolicum Hand.-Mazz. in the seedling phase for food or cutting off leaves other than the middle leaves of the plants of 7araxacum mongolicum Hand.-Mazz. every 15-20 days for food, or by paralleling entire plants 1.5 cm from a soil surface and keeping the underground roots to grow new buds.

2. The method for the interplantation of Lycopersicon esculentum Mill. with Taraxacum mongolicum Hand.-Mazz. according to claim 1, wherein in the pre-germination on Lycopersicon esculentum Mill. in step 1), a strain of Lycopersicon esculentum Mill. is selected, and thick seeds of the strain of Lycopersicon esculentum Mill. be selected; after sterilizing the seeds, rinsing the seeds with water; then the seeds are immersed in water at 25-30 ° C for 4-6 hours; and then performing the pre-germination after the seeds have been wrapped with air permeable gauze, wherein the seeds can breathe during the pre-germination process and have sufficient water, the seeds can be sown after the seeds have been germinated; once the seeds are coated, a disinfection process is omitted and the seeds are immediately pre-germinated and sown.

3. The method for the interplantation of Lvcopersicon esculentum Mill. with Taraxacum mongolicum Hand.-Mazz. according to claim 1 or 2, wherein in growing Lycopersicon esculentum Mill seedlings. in step 1) a substrate is mixed with water to achieve a state that can be grouped by squeezing the mixture together and which tends to be dispersed after detachment, and then the mixture is put into a multi-hole plate loaded; the seeds of Lycopersicon esculentum Mill. are grown in individual holes after germination.

4. The method for the interplantation of Lycopersicon esculentum Mill. with Taraxacum mongolicum Hand.-Mazz. according to claim 1, wherein a process for obtaining the seeds of Taraxacum mongolicum Hand.-Mazz. in step 2) comprises: harvesting the seeds when an outer shell of a flower disc changes color from green to yellow-green, and the seeds change color from milky white to brown; during harvesting, removing the flower disk of Lycopersicon esculentum Mill, keeping the flower disk in a room for ripening for one day; After the flower disk has spread out completely, allow to dry in the shade for 1-2 days until the seeds are semi-dry, rubbing fluff over one tip of the seeds by hand, then dry the seeds for later use.

5. The method for the interplantation of Lycopersicon esculentum Mill. with Taraxacum mongolicum Hand.-Mazz. according to claim 1, wherein, before the seedlings of Lycopersicon esculentum Mill. colonized, a piece of land is prepared, first the soil of the land is disinfected and manure and / or compound fertilizer containing nitrogen, phosphorus and potassium is applied, then the land is made into ridges and parcel embankments.

6. The method for the interplantation of Lycopersicon esculentum Mill. with Taraxacum mongolicum Hand.-Mazz. according to claim 5, wherein the parcel quays are flat with a width of 1-1.3 meters at a parcel quays distance of 40-60 cm, and a height of one edge of each of the parcel quays is 15-25 cm.

7. The method for the interplantation of Lycopersicon esculentum Mill. with Taraxacum mongolicum Hand.-Mazz. according to claim 1, wherein in colonizing the seedlings of Lycopersicon esculentum Mill. in step 1): a colonization date of an open field crop in North China is from the beginning of May to the end of May, and a colonization depth is determined based on the substrate being level with the ground; autumn-winter seedlings are colonized after opening the holes on a rainy day or in the evening from early to mid-September, water is applied to stabilize the seedlings in colonizing through the holes; after planting all the rooms with the seedlings, water is poured down a ditch to colonize the seedlings; and winter-spring seedlings are colonized when temperatures are stable above 10 ° C 10 cm below ground in the greenhouse in mid to late January.

8. The method for the interplantation of Lycopersicon esculentum Mill. with Taraxacum mongolicum Hand.-Mazz. according to claim 1, wherein after sowing the seeds of Taraxacum mongolicum Hand.-Mazz. in step 2) the seeds are covered with a layer of fine soil.

9. The method for the interplantation of Lycopersicon esculentum Mill. with Taraxacum mongolicum Hand.-Mazz. according to claim 1, wherein fertilizing Lvcopersicon esculentum Mill. at the fruit expansion stage in step 4) includes applying the fertilizer with water when fruits of first, second, third and fourth ears are growing to a size equal to that of a walnut and are expanding.

10. The method for the interplantation of Lycopersicon esculentum Mill. with Taraxacum mongolicum Hand.-Mazz. according to claim 9, wherein when applying the fertilizer with water in step 4), 30-40 kg ternary compound fertilizer per mu or 12-17 kg urea and 8-12 kg potassium chloride per mu are applied.