CN110367052B - Wild chrysanthemum planting method - Google Patents

Wild chrysanthemum planting method Download PDF

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CN110367052B
CN110367052B CN201910707657.4A CN201910707657A CN110367052B CN 110367052 B CN110367052 B CN 110367052B CN 201910707657 A CN201910707657 A CN 201910707657A CN 110367052 B CN110367052 B CN 110367052B
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wild chrysanthemum
seeds
wetland
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CN110367052A (en
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刘晖晖
韩正洲
魏民
许雷
马庆
张赟
魏伟锋
王信宏
马鹏岗
黄煜权
李明辉
谢文波
曾烨
张洪胜
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China Resources Sanjiu Medical and Pharmaceutical Co Ltd
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01CPLANTING; SOWING; FERTILISING
    • A01C21/00Methods of fertilising, sowing or planting
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G13/00Protecting plants
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G22/00Cultivation of specific crops or plants not otherwise provided for

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  • Environmental Sciences (AREA)
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  • Catching Or Destruction (AREA)
  • Cultivation Of Plants (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Fertilizers (AREA)

Abstract

The invention belongs to the technical field of wild chrysanthemum cultivation, and particularly relates to a wild chrysanthemum planting method. The method creatively and directly broadcasts or drill the wild chrysanthemum seeds in the wetland field, the wetland can ensure that the surface soil is wet for a long time, so that the seeds can easily absorb water, and the seed roots can not lack water after the seeds absorb the water and germinate, thereby avoiding the phenomenon that the seeds are dried or dead after absorbing water and swelling, and solving the problem that the seeds germinate and absorb water difficultly; if the cover is covered by covering soil after sowing in the wetland, because the wild chrysanthemum seeds are smaller, the thousand seed weight is only 0.1g, and the cotyledons are difficult to come out of the soil; can guarantee the drainage of wetland through set up the escape canal in the wetland, the problem that the stagnant water died the seedling can not appear in the wild chrysanthemum when growing, makes it can normal growth, has guaranteed the survival rate of wild chrysanthemum.

Description

Wild chrysanthemum planting method
Technical Field
The invention belongs to the technical field of wild chrysanthemum cultivation, and particularly relates to a wild chrysanthemum planting method.
Background
Flos Chrysanthemi Indici (Chrysanthemum indicum Flos) is the dried head-shaped inflorescence of Chrysanthemum indicum L of Compositae, and is picked, sun-dried or steamed and sun-dried in the beginning of autumn and winter, and is distributed in northeast, China, south China and south China. In recent years, with the upgrading of the medicine industry, the expansion of medical insurance catalogues and the enhancement of public health consciousness, the demand and the price of traditional Chinese medicinal materials are generally continuously increased, taking wild chrysanthemum as an example, the market price of the traditional Chinese medicinal materials is increased from 20-25 yuan/kg in 2012 to 50 yuan/kg in 2019. In order to meet the market demand, the most effective method is to carry out industrial cultivation of the wild chrysanthemum, but is limited by factors such as planting technology, planting cost, medicinal material quality and the like.
The wild chrysanthemum and the chrysanthemum are both compositae plants, the propagation method is similar, the plants can be propagated by division or cutting in production, but the two propagation modes have the problems of seedling transplantation, high labor cost or germplasm degradation. For example, chinese patent document CN105453852A discloses a wild chrysanthemum planting method, which comprises mixing wild chrysanthemum seeds with soil, drilling, covering soil to a depth of 1-2cm, applying fertilizer to the whole land, spraying a pre-emergence herbicide, transplanting, replenishing seedlings, cultivating and hilling, cultivating and weeding, irrigating, topdressing, pest control, disease and pest control, and disease control, etc., wherein the planting method requires transplanting and has high labor cost, and in addition, the planting method can prevent weed seeds from sprouting by spraying the pre-emergence herbicide, but wild chrysanthemum belongs to perennial grasses and weeds, and the use of the pre-emergence herbicide can inhibit sprouting of wild chrysanthemum while inhibiting sprouting of weeds; if field weeding is carried out after wild chrysanthemum is transplanted, the existing herbicides are various, most post-emergence herbicides have specific weeding objects, or are monocotyledon herbicides or dicotyledon herbicides; wild chrysanthemum is generally planted on hills and lands or flat lands because of good draining and difficult water accumulation and seedling death, so that the wild chrysanthemum grows normally to obtain output; wild chrysanthemum is a dicotyledon, weeding is carried out by using a herbicide, only a monocotyledon herbicide can be selected, but weeds on hilly lands or flat lands of hills are various, and the problem of artificial weeding in fields cannot be solved by a single monocotyledon herbicide actually, so that the cost is high.
In addition, after many experiments, the inventor of the present invention has a problem that seeds are difficult to germinate when the seeds are planted in soil covering mode in chinese patent document CN105453852A, and if the seeds are directly sown without soil covering, the seeds are exposed to the sun or dry to death after absorbing water and swelling, and the roots of the germinated seeds are difficult to absorb water on the soil surface, that is, the seeds are difficult to germinate because the seeds are difficult to absorb water or the roots of the germinated seeds are dead due to water shortage.
Due to the influence of the factors, the industrial popularization problem of the economic high-yield wild chrysanthemum flowers is difficult to solve both in seedling raising and transplanting and in direct seeding of seeds, and the development of the wild chrysanthemum flower industrialization is directly restricted.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to overcome the defects of difficult germination of the wild chrysanthemum seeds, high seedling transplanting cost, high field weeding cost and the like in the prior art, thereby providing the wild chrysanthemum planting method.
Therefore, the invention provides the following technical scheme.
The invention provides a wild chrysanthemum planting method, which comprises the following steps:
sowing wild chrysanthemum seeds uniformly or sowing the seeds in a row in a wetland field, wherein a drainage ditch is arranged in the wetland field; wherein the distance between the drainage ditches is 1.2-1.5 m;
uniformly spraying a monocotyledon herbicide before the height of the weed is less than 10 cm;
respectively spreading fertilizers in the seedling stage and the growth stage of the wild chrysanthemum;
topping the wild chrysanthemum plants during the growth period;
harvesting is started when the tubular flower of the first flower of 70-80% of plants is exposed until the tubular flower is completely unfolded.
The seeding quantity of the seeds is 0.7-0.8 kg/mu; the fertilizer is a compound fertilizer or urea.
The number of the monocotyledon weed plants in the wetland accounts for more than 80 percent of the total number of the weeds.
The time for spreading fertilizer in the seedling stage is the four-leaf stage of wild chrysanthemum and the period of 5-10cm of the height of the seedling; the time for spreading the fertilizer in the growing period is 35-45cm of wild chrysanthemum plant height and 60-65cm of plant height.
The wild chrysanthemum flower broadcasting fertilizer comprises the specific steps of broadcasting urea in the four-leaf period of wild chrysanthemum flowers, wherein the dosage of the urea is 1.5-2.0 kg/mu; spreading urea when the plant height of the wild chrysanthemum seedlings is 5-10cm, wherein the urea dosage is 4.0-5.0 kg/mu; spreading a compound fertilizer at the plant height of 35-45cm in the growing period of the wild chrysanthemum, wherein the using amount of the compound fertilizer is 10-15 kg/mu; spreading urea at the period of 60-65cm high of wild chrysanthemum, wherein the dosage is 10-15 kg/mu.
The topping method specifically comprises the steps of respectively topping when the wild chrysanthemum plants grow to 35-40cm and 60-65cm, and cutting off 5-10cm of top tips during topping.
The wild chrysanthemum seeds are a mixture obtained after seeds are picked, wherein the mass fraction of the pure wild chrysanthemum seeds is 1.5-2.5%.
The mixture comprises pure wild chrysanthemum seeds, wild chrysanthemum withered tongue flowers and wild chrysanthemum withered tubular flowers.
Harvesting the wild chrysanthemum, carrying out stripping, sieving, removing impurities and drying to obtain the wild chrysanthemum.
The technical scheme of the invention has the following advantages:
1. according to the wild chrysanthemum planting method provided by the invention, wild chrysanthemum seeds are creatively sown or sowed in a wetland field directly, the wetland can ensure that surface soil is wet for a long time, so that the seeds can easily absorb water, and the problem of water shortage of seed roots after the seeds absorb the water and sprout is avoided, the phenomenon that the seeds are dried or dead after water absorption and expansion is avoided, and the problem that the seeds sprout and absorb water difficultly is solved; if the cover is covered by covering soil after sowing in the wetland, because the wild chrysanthemum seeds are smaller, the thousand seed weight is only 0.1g, and the cotyledons are difficult to come out of the soil; can guarantee the drainage of wetland through set up the escape canal in the wetland, the problem that the stagnant water died the seedling can not appear in the wild chrysanthemum when growing, makes it can normal growth, has guaranteed the survival rate of wild chrysanthemum.
In addition, the wild chrysanthemum planting method provided by the invention does not need the steps of seedling raising, transplanting and the like in the late planting period, improves the planting efficiency, and avoids the costs of seedling raising, transplanting and the like.
2. According to the wild chrysanthemum flower planting method, the weeds in the wetland are single in variety, most of the weeds are monocotyledonous weeds, and the weeds can be removed under the condition that the growth of the wild chrysanthemum flowers is not influenced by using the monocotyledonous herbicide, so that a large amount of weeding cost is saved; the method utilizes the water retention performance of the wet field, can ensure that the fertilizer is fully absorbed, solves the problem of nutrient supply under the drought condition, and simultaneously provides necessary water and nutrient supply for the growth of the wild chrysanthemum peanuts.
In the planting method, the thousand seed weight of the wild chrysanthemum seeds is smaller, so that the dosage of the broadcast pure wild chrysanthemum seeds can be more accurately controlled by the mixture after the seeds are picked through broadcast.
3. According to the wild chrysanthemum planting method provided by the invention, the production flow of wild chrysanthemum is simplified, the labor input is greatly reduced, all the links are simple and easy to implement, the yield of wild chrysanthemum is obviously improved, and the wild chrysanthemum planting method is suitable for large-scale production.
Detailed Description
The following examples are provided to further understand the present invention, not to limit the scope of the present invention, but to provide the best mode, not to limit the content and the protection scope of the present invention, and any product similar or similar to the present invention, which is obtained by combining the present invention with other prior art features, falls within the protection scope of the present invention.
The examples do not show the specific experimental steps or conditions, and can be performed according to the conventional experimental steps described in the literature in the field. The reagents or instruments used are not indicated by manufacturers, and are all conventional reagent products which can be obtained commercially.
Example 1
The embodiment provides a wild chrysanthemum planting method, which comprises the following specific steps of planting wild chrysanthemum in stone and village of Baisha Zhen, Xinxian county, Yangxi province in 2017 in 2 months,
the paddy field with over 80 percent of field weeds being gramineous plant barnyard grass is used as a wild chrysanthemum planting field; in the beginning of 3 months, carrying out one-time simple rotary tillage ditching on the paddy field, wherein the width of a compartment is 120cm (namely the distance between drainage ditches is 120cm), and ensuring that no water is accumulated in the paddy field in rainy days;
uniformly broadcasting a wild chrysanthemum seed mixture containing 2 wt% of pure seeds onto a simple ditching compartment surface, wherein the sowing amount per mu is 0.75kg, and soil covering and covering are not needed;
after sowing for 10 days, the seeds germinate, barnyard grass grows out again after sowing for 30 days, at the moment, 10% quizalofop-p-ethyl is uniformly sprayed for 1 time, the dosage per mu is 30ml, after the herbicide is sprayed for 10 days, all gramineous weeds die, and wild chrysanthemum seedlings are not damaged;
after sowing for 40 days, the wild chrysanthemum seedlings enter a four-leaf stage, and urea is sprayed on the wild chrysanthemum seedlings in 2 kg/mu in rainy days; after sowing for one and a half months, the wild chrysanthemum plants grow to about 5cm, and urea is spread on rainy days at 4 kg/mu; in the middle and late ten days of 6 months, the wild chrysanthemum plants grow to about 36cm, at the moment, topping is carried out by scissors and the like, the topping tips are removed by about 8cm, and meanwhile, 15 kg/mu of compound fertilizer is broadcast in rainy days after topping; 7 months later, the plant height is about 65cm, at the moment, the top tip is removed by a tool such as scissors for about 5cm again, and 15 kg/mu of urea is spread in rainy days;
at the beginning of 11 months, the wild chrysanthemum flowers, when 75% of tubular flowers of the first flower of the whole field plant are exposed, the wild chrysanthemum starts to be harvested, and the wild chrysanthemum flowers are dried after harvesting, and the yield per mu is 65 kg.
Example 2
The embodiment provides a wild chrysanthemum planting method, which comprises the following specific steps of planting wild chrysanthemum in 3 months in 2018 in Hubei province in the village of the town of the maple forest in Yangxin county, Hubei province,
the paddy field with over 80 percent of field weeds being gramineous plant barnyard grass is used as a wild chrysanthemum planting field; in the beginning of 3 months, carrying out one-time simple rotary tillage ditching on the paddy field, wherein the width of a compartment is 150cm (namely the distance between drainage ditches is 150cm), and ensuring that no water is accumulated in the paddy field in rainy days;
uniformly broadcasting a wild chrysanthemum seed mixture containing 2.5 wt% of pure seeds to the ridge in the beginning of 3 months, wherein the sowing amount per mu is 0.7kg, and soil covering and covering are not needed;
after 8 days of sowing, the seeds germinate, after 35 days of sowing, the gramineous weeds grow out again, at the moment, 10% quizalofop-p-ethyl is uniformly sprayed for 1 time, the dosage per mu is 25ml, after 12 days of herbicide spraying, the gramineous weeds all die, and the wild chrysanthemum seedlings are not damaged;
sowing 43 days later, then, the wild chrysanthemum seedlings enter a four-leaf stage, and urea is sprayed on the wild chrysanthemum seedlings in a rainy day, wherein the spraying amount is 1.5 kg/mu; after sowing for one and a half months, the wild chrysanthemum plants grow to about 7cm, and urea is spread on rainy days at the rate of 5 kg/mu; in the middle and late ten days of 6 months, the wild chrysanthemum plants grow to about 40cm, at the moment, topping is carried out by scissors and the like, the topping tips are removed by about 10cm, and 15 kg/mu of compound fertilizer is spread in rainy days after topping; at the beginning of 8 months, the plant height is about 70cm, at the moment, the top tip is removed by using tools such as scissors and the like again for about 5cm, and urea is spread in rainy days for 15 kg/mu;
at the beginning of 11 months, the wild chrysanthemum blooms, when 70% of tubular flowers of the first flower of the whole field plant emerge, the wild chrysanthemum starts to be collected, the impurities such as flower stalks, leaves and the like are removed, and the dried wild chrysanthemum flower yield per mu is 60kg after drying.
Comparative example 1
The comparative example provides a wild chrysanthemum planting method, adopts a seedling transplanting method to plant, carries out wild chrysanthemum planting in the middle village in the floating-carcass town of Xincounty in Yang of Hubei province in 2015 for 3 months, and comprises the specific steps of,
the paddy field with over 80 percent of field weeds being gramineous plant barnyard grass is used as a wild chrysanthemum planting field; 1, ploughing the paddy field for the first time at the beginning of the month, opening a surrounding ditch, draining water and draining water;
in 3 months, the rice field drained with water is rotavator tilled for the first time, soil blocks are broken as much as possible, and the land is leveled;
3, 10 months, spreading base fertilizer, using 30kg of compound fertilizer and 300kg of organic fertilizer per mu, carrying out rotary tillage again after spreading, and meanwhile, starting a disposable drainage ditch, wherein the width of the ditch is 50cm, and the width of the box is 150cm (namely the distance between the drainage ditches is 150cm), so as to ensure that no water is accumulated in the paddy field in rainy days;
no. 3 and No. 15, digging a pit in rainy days, planting the bred seed seedlings on the raised compartment surface according to the plant-row spacing of 50cm multiplied by 50cm, and covering soil;
at the beginning of 4 months, the gramineous weeds grow out again, at the moment, 10% quizalofop-p-ethyl is uniformly sprayed for 1 time, the dosage per mu is 25ml, after the herbicide is sprayed for 10 days, all the gramineous weeds die, and the wild chrysanthemum flower transplanted seedlings are not damaged;
the first seedling filling is started in the beginning of 4 months, and the seedling filling is carried out for 4 times in the wild chrysanthemum growing process 4-6 months later, because the transplanted seedlings planted in the paddy field after digging pits have deeper root soil penetration and are easy to cause flooding or oxygen-poor death.
In the last ten days of 6 months, the wild chrysanthemum plants grow to about 40cm, at the moment, topping is carried out by scissors and the like, the topping tips are removed by about 10cm, and 15 kg/mu of compound fertilizer is spread in rainy days after topping; at the beginning of 8 months, the plant height is about 70cm, at the moment, the top tip is removed by using tools such as scissors and the like again for about 5cm, and urea is spread in rainy days for 15 kg/mu;
at the beginning of 11 months, the wild chrysanthemum flowers, when tubular flowers of 70% of first flowers of the plants in the whole field emerge, the wild chrysanthemum starts to be collected, the impurities such as flower stalks, leaves and the like are removed, and 50kg of wild chrysanthemum flower dry flowers are produced per mu after drying.
In the comparative example, if the wild chrysanthemum is planted by adopting the method of seedling transplantation, the land needs to be ploughed, ditched, drained and the like in the early stage, the land finishing cost in the early stage is high, the operations of transplantation, seedling supplement and the like are also needed in the later stage, the labor consumption is long, the cost is high, and the problem of seedling death is easy to occur after the seedling transplantation in the wild chrysanthemum growing process.
Comparative example 2
The comparison method adopts a method of seedling culture and transplantation in dry land to plant the wild chrysanthemum, carries out the planting of the wild chrysanthemum in the plain village of white sand town of new county of Yangxi province in Hubei in 2015 for 3 months, and comprises the specific steps of,
selecting a dry land as a wild chrysanthemum planting land; 1, loosening the soil, rotary tillage and airing dry land for the first time in the early month;
3, spreading base fertilizer, using 30kg of compound fertilizer and 300kg of organic fertilizer per mu at the beginning of 3 months, carrying out rotary tillage again after spreading, and meanwhile, forming a disposable drainage ditch with the width of 50cm and the width of 150cm (namely, the distance between the drainage ditches is 150cm), so as to ensure that no water is accumulated in dry land and rainy days;
no. 3 and No. 15, digging a pit in rainy days, planting the bred seed seedlings on the raised compartment surface according to the plant-row spacing of 50cm multiplied by 50cm, and covering soil;
in the beginning of 4 months, one-time seedling supplement is carried out, and the number of field seedlings is ensured;
beginning to perform artificial weeding for the first time in the field in the beginning of 5 months, and performing artificial weeding for the field for two times in the later 6-7 months, because the species of the dry-land weeds are complex, a single selective herbicide cannot meet the requirement, and the artificial weeding is required to be performed;
in the last ten days of 6 months, the wild chrysanthemum plants grow to about 40cm, at the moment, topping is carried out by scissors and the like, the topping tips are removed by about 10cm, and 15 kg/mu of compound fertilizer is spread in rainy days after topping; at the beginning of 8 months, the plant height is about 70cm, at the moment, the top tip is removed by using tools such as scissors and the like again for about 5cm, and urea is spread in rainy days for 15 kg/mu;
at the beginning of 11 months, the wild chrysanthemum blooms, when 70% of tubular flowers of the first flower of the whole field plant emerge, the wild chrysanthemum starts to be collected, the impurities such as flower stalks, leaves and the like are removed, and the dried wild chrysanthemum flower yield per mu is 35kg after drying; the reason is that although the risk of plant drowning death is avoided in dry land, in 7-9 months of rapid growth of wild chrysanthemum, due to drought in land, the requirements of plants on water and nutrients in the rapid growth period are difficult to meet, so that the yield of wild chrysanthemum is low.
Test examples
The experimental examples provide two sets of comparative experiments, specifically,
comparative group 1
The comparison group provides two groups of experiments, and the influence of the covering soil on the germination rate of the wild chrysanthemum seeds is compared, the planting conditions of the wild chrysanthemum in the experiments of a1 group and b1 group are the same as those in the embodiment 1, and the difference is that the covering soil treatment is carried out after the seeds are sown in the a1 group, the depth of the covering soil is 2cm, and the covering soil treatment is not carried out in the b1 group; the germination rates of the seeds are shown in table 1:
table 1 influence of covering soil on seed germination rate of comparative group 1
Figure BDA0002152686240000071
Figure BDA0002152686240000081
Comparative group 2
The comparison group provides two groups of experiments, and the effects of planting plots on the germination rate of wild chrysanthemum seeds are compared, the planting conditions of the wild chrysanthemum in the experiments of a2 and b2 are the same as those in example 1, except that a2 is planted in dry land and b2 is planted in paddy field, and the germination rate of seeds is shown in table 2;
table 2 influence of comparative group 2 planting plots on seed germination
Experiment of Seeding quantity (number) Number of sprouts Percentage of germination (%)
a2 100 13 13%
b2 100 65 65%
Comparison group 1 shows that covering soil after sowing can lead to reduction of the germination rate of seeds; comparison group 2 shows that planting wild chrysanthemum in dry land reduces the germination rate of seeds.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications of the invention may be made without departing from the spirit or scope of the invention.

Claims (4)

1. The wild chrysanthemum planting method is characterized by comprising the following steps:
sowing wild chrysanthemum seeds uniformly or sowing the seeds in a row in a wetland field, wherein a drainage ditch is arranged in the wetland field; wherein the distance between the drainage ditches is 1.2-1.5 m; the wild chrysanthemum seeds are uniformly sowed or sowed in a drill way in the wetland field without earthing up; the sowing time is 2 months or 3 months;
uniformly spraying a monocotyledon herbicide before the height of the weed is less than 10 cm;
respectively spreading fertilizers in the seedling stage and the growth stage of the wild chrysanthemum;
topping the wild chrysanthemum plants during the growth period;
harvesting when tubular flowers of the first flower of 70-80% of plants are exposed until the tubular flowers are completely unfolded;
the seeding quantity of the seeds is 0.7-0.8 kg/mu; the fertilizer is a compound fertilizer or urea; the wild chrysanthemum seeds are a mixture obtained after seeds are picked, wherein the mass fraction of the pure wild chrysanthemum seeds is 1.5-2.5%;
the number of the monocotyledon weed plants in the wetland accounts for more than 80 percent of the total number of the weeds;
the time for spreading fertilizer in the seedling stage is the four-leaf stage of wild chrysanthemum and the period of 5-10cm of the height of the seedling; the time for spreading the fertilizer in the growth period is 35-45cm of wild chrysanthemum plant height and 60-65cm of plant height;
the wild chrysanthemum flower broadcasting fertilizer comprises the specific steps of broadcasting urea in the four-leaf period of wild chrysanthemum flowers, wherein the dosage of the urea is 1.5-2.0 kg/mu; spreading urea when the plant height of the wild chrysanthemum seedlings is 5-10cm, wherein the urea dosage is 4.0-5.0 kg/mu; spreading a compound fertilizer at the plant height of 35-45cm in the growing period of the wild chrysanthemum, wherein the using amount of the compound fertilizer is 10-15 kg/mu; spreading urea at the period of 60-65cm high of wild chrysanthemum, wherein the dosage is 10-15 kg/mu.
2. The planting method of claim 1, wherein the topping is carried out by topping when the wild chrysanthemum plants grow to 35-40cm and 60-65cm, respectively, and cutting 5-10cm of top tips each time.
3. The growing method of claim 1, wherein the mixture comprises pure wild chrysanthemum seeds, wild chrysanthemum wilting flowers, wild chrysanthemum wilting tubular flowers.
4. The planting method according to any one of claims 1 to 3, wherein the harvesting comprises harvesting wild chrysanthemum, stripping flowers, sieving, removing impurities, and drying to obtain wild chrysanthemum.
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