CN112021091A - Direct-seeding planting method for trollius chinensis - Google Patents
Direct-seeding planting method for trollius chinensis Download PDFInfo
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- CN112021091A CN112021091A CN202010940457.6A CN202010940457A CN112021091A CN 112021091 A CN112021091 A CN 112021091A CN 202010940457 A CN202010940457 A CN 202010940457A CN 112021091 A CN112021091 A CN 112021091A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C1/00—Apparatus, or methods of use thereof, for testing or treating seed, roots, or the like, prior to sowing or planting
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C21/00—Methods of fertilising, sowing or planting
- A01C21/005—Following a specific plan, e.g. pattern
Abstract
The invention provides a direct sowing planting method of trollius chinensis, and belongs to the technical field of plant planting. The direct sowing planting method of the trollius chinensis comprises the steps of accelerating germination of trollius chinensis seeds; ridging, covering a black agricultural film, and drilling planting holes on the black agricultural film; mixing the fine sand and the seeds after the pregermination treatment, sowing, and covering a white agricultural film; after more than 80% of seedlings expand 1-2 true leaves, removing the white agricultural film; and then, the management steps of seedling protection and strengthening, soil culture and seedling protection and plant establishment are carried out, so that the steps of sowing and seedling culture in the traditional planting method of the trollius chinensis are omitted, and after the seedlings grow, the seedlings are transplanted in the field, so that the integration of sowing and planting is realized, and the planting cost is saved. Moreover, the method for planting the trollius chinensis bunge reduces the damage of a transplanting link to the root system of the seedling, the growth speed of the plant is high, the plant enters a high-yield period 1 year ahead, the economic benefit is high, and the yield is increased by more than 20 percent on average.
Description
Technical Field
The invention belongs to the technical field of plant planting, and particularly relates to a direct-seeding planting method for trollius chinensis.
Background
The flos Trollii is a perennial root herbaceous plant of flos Trollii of Ranunculaceae, and wild resources are mainly distributed in northern Hebei and eastern inner Mongolia. The trollius chinensis is a traditional Chinese medicine, contains effective components such as orientin, vitexin and the like, has antibacterial and antiviral effects, is an essential medicine for treating diseases such as cold, high fever and the like, is a main component of Chinese patent medicines such as trollius chinensis slices, trollius chinensis granules, trollius chinensis capsules and the like, and is listed in the national Chinese medicine protection variety catalog. The traditional Chinese globeflower raw material mainly depends on wild resources, and with the gradual increase of market demand, the wild resources are subjected to predatory picking, and the storage amount is sharply reduced. In recent years, artificial planting of trollius chinensis in Hebei, inner Mongolia and Ningxia has emerged, and the planting scale is expanding. However, because the trollius chinensis seeds have low germination rate, weak growth in seedling stage and high requirements for seedling protection measures, the prior art, as shown in patent 201610729644.3 and patent 201910250559.2, needs to firstly perform sowing and seedling raising, and then perform field transplanting on the seedlings after the seedlings grow. The planting methods have the characteristics of complex operation, time and labor consumption, high cost, slow income and the like, can not meet the requirement of high-quality development of industry, and urgently needs to explore a planting method integrating seedling raising and planting.
Disclosure of Invention
In view of the above, the invention aims to provide a direct seeding planting method for globeflower seeds, which omits the links of seedling raising and transplanting, realizes the integration of seeding and planting, and saves the planting cost.
In order to achieve the above purpose, the invention provides the following technical scheme:
the invention provides a direct sowing planting method of trollius chinensis, which comprises the following steps:
accelerating germination of trollius chinensis seeds; ridging, covering a black agricultural film, and drilling planting holes on the black agricultural film; mixing the fine sand and the seeds after the pregermination treatment, sowing, and covering a white agricultural film; after more than 80% of seedlings expand 1-2 true leaves, removing the white agricultural film; then, the seedling protection and strengthening, the soil culture and the seedling protection and the management after the plant growth are carried out.
Preferably, the pregermination treatment specifically comprises: soaking the trollius chinensis seeds in gibberellin water solution with the concentration of 5g/L for 48 hours, draining, and culturing at the constant temperature of 20-25 ℃.
Preferably, the height of the ridge is 3-5 cm, and the width of the ridge is 60-120 cm.
Preferably, the plant-row spacing of the planting holes is 15-30 multiplied by 30-40 cm, the diameters of the planting holes are 4-6 cm, and the depths of the planting holes are 1-2 cm.
Preferably, the weight ratio of the fine sand to the seed after the germination accelerating treatment is 50-80: 1.
Preferably, the seeding rate of the seeding is 0.5-0.8 kg/667m2。
Preferably, the seedling protection and strengthening is carried out by spraying a foliar fertilizer, and the spraying of the foliar fertilizer specifically comprises the following steps: spraying the fertilizer for 1 time every 10-15 days, and spraying the fertilizer for 3-5 times in the whole seedling stage.
Preferably, the earthing-up time is as follows: and (5) growing 5-6 true leaves or 10-15 cm high.
Preferably, the height of the hilling is 3-4 cm.
Preferably, the management after the adult plants comprises applying compound fertilizer to roots before buds appear, the frequency of applying the compound fertilizer to the roots is 2 times, the interval of applying the compound fertilizer to the roots is 7-10 days, and the fertilizing amount of the compound fertilizer is 30-40 kg/667m2。
Compared with the prior art, the invention has the following beneficial effects:
the direct seeding planting method of the trollius chinensis bunge adopts a double-film mulching mode, promotes seed germination, can protect and strengthen seedlings, and greatly improves the seedling rate. In addition, the seeds are adopted for direct seeding, so that the seedling and transplanting links in the traditional planting method of the trollius chinensis are omitted, the integration of seeding and planting is realized, and the planting cost is saved. Compared with the traditional method, the method for planting the trollius chinensis bunge reduces the damage of a transplanting link to the root system of the seedling, the plant growth speed is high, the plant enters a high-yield period 1 year ahead of time, the economic benefit is high, and the yield is increased by more than 20 percent on average.
Detailed Description
The invention provides a direct sowing planting method of trollius chinensis, which comprises the following steps:
accelerating germination of trollius chinensis seeds; ridging, covering a black agricultural film, and drilling planting holes on the black agricultural film; mixing the fine sand and the seeds after the pregermination treatment, sowing, and covering a white agricultural film; after more than 80% of seedlings expand 1-2 true leaves, removing the white agricultural film; then, the seedling protection and strengthening, the soil culture and the seedling protection and the management after the plant growth are carried out.
The preferred globeflower seed of the invention is the globeflower seed which has no plant diseases and insect pests, is mature and has full seeds, the source of the globeflower seed is not specially limited, and the globeflower seed can be obtained by adopting the conventional globeflower seed sold in the field. The method for accelerating germination is not specially limited, and a conventional method for accelerating germination of trollius chinensis seeds in the field can be adopted. As a preferred embodiment, the accelerating germination treatment of trollius chinensis comprises the following specific steps: soaking the trollius chinensis seeds in gibberellin water solution with the concentration of 5g/L for 48 hours, draining, and culturing at the constant temperature of 20-25 ℃. The source and the variety of gibberellin are not specially limited, the gibberellin is sold on the market conventionally in the field, the gibberellin aqueous solution with the proper concentration can break seed dormancy, promote germination to fully ensure the germination rate of the seeds, has the effects of reducing cost and reducing the influence on seedlings, easily causes abnormal seedlings due to overhigh concentration of the gibberellin, and is more beneficial to improving the germination rate of the seeds due to proper soaking time; in a particular embodiment of the invention, the aqueous gibberellin solution is preferably an aqueous gibberellin 3 solution. The draining method is not particularly limited, and in a specific embodiment of the present invention, the seeds are preferably poured into a plastic mesh bag to be drained so as not to form leaked water drops. In the present invention, before the constant temperature cultivation, the drained seeds are preferably uniformly dispersed in a mesh bag and then cultured at a constant temperature. The present invention is not particularly limited in the manner of the isothermal culture, and preferably, the isothermal culture is performed in an incubator at a temperature of preferably 23 ℃, and the humidity of the isothermal culture is preferably 70% to 90%, more preferably 80%, and the time of the isothermal culture is preferably 2 to 3 days.
The method comprises the steps of ridging a planting field, covering a black agricultural film and drilling planting holes on the black agricultural film. The ridging method is not particularly limited, and a conventional ridging method in the field can be adopted, the ridging time is preferably in the middle of 4 months or in the middle of 8 months, the ridging height is preferably 3-5 cm, more preferably 4cm, and the ridging width is 60-120 cm, more preferably 90 cm. The black agricultural film can keep the ground temperature and inhibit the growth of weeds. The invention has no special requirements on the source and quality of the black agricultural film, and can adopt the conventional commercial products in the field. In the embodiment of the invention, the width of the black agricultural film is preferably 100-150 cm, and more preferably 130 cm. The method for making the planting hole is not particularly limited, the conventional planting hole making method in the field is adopted, the planting hole is preferably made by using a planting puncher, the planting hole has the row spacing of preferably 15-30 cm, more preferably 20-25 x 33-37 cm, the diameter of the planting hole is preferably 4-6 cm, more preferably 5cm, and the depth of the planting hole is preferably 1-2 cm, more preferably 1.5 cm. The plant-row spacing of the planting hole can ensure the proper planting density of the trollius chinensis, thereby meeting the demand of yield in production and the demand of tillering and growing of the trollius chinensis at the later stage. The diameter of the planting hole is convenient for field operation, and the moisture in the planting hole is not easy to dissipate. The depth of the planting hole not only ensures that the trollius chinensis seeds successfully push soil after germination, but also can meet the requirement of the germination and growth of the seeds on the soil humidity.
In the invention, the weight ratio of the fine sand to the seeds after the pregermination treatment is preferably 50-80: 1, more preferably 60-70: 1, and the weight ratio of the fine sand to the seeds after the pregermination treatment meets the requirement of the sowing quantity of the trollius chinensis seeds, and can fully exert the water-retaining and moisture-retaining effects of the fine sand. The invention is not limited to the sowing mode, preferably uses a sowing device to sow, and the sowing quantity is preferably 0.5-0.8 kg/667m2More preferably 0.6 to 0.7kg/667m2The sowing quantity of the method ensures the proper planting density of the trollius chinensis, meets the requirement of later growth and development of the trollius chinensis and ensures higher yield. In the invention, after the sowing is finished, a layer of white agricultural film is covered on the black agricultural film, so that on one hand, the moisture in the planting holes is not easy to dissipate, and on the other hand, the white agricultural film can promote the germination and root growth of the trollius chinensis seeds, thereby achieving the effects of protecting and strengthening the seedlings. The source and the quality of the white agricultural film are not particularly required, the white agricultural film can be obtained by adopting conventional commercial products in the field, and in the specific embodiment of the invention, the width of the white agricultural film is preferably 100-150 cm, and more preferably 130 cm.
In the invention, after more than 80% of seedlings are unfolded with 1-2 main leaves, the white agricultural film is removed, at the moment, the seedlings have strong environmental adaptability, the white agricultural film finishes the seedling protection task, and the removal of the white agricultural film can also meet the requirement of normal growth of the seedlings on illumination.
In the invention, the preferred method for protecting and strengthening the seedlings is to spray the foliar fertilizer, the time interval for spraying the foliar fertilizer is preferably to spray the foliar fertilizer for 1 time every 10-15 days, more preferably to spray the foliar fertilizer for 1 time every 12-13 days, the preferred times for spraying the foliar fertilizer are to spray the foliar fertilizer for 3-5 times in the whole seedling stage, and more preferably to spray the foliar fertilizer for 4 times in the whole seedling stage. The spraying interval and the spraying frequency of the foliar fertilizer can meet the normal requirement of seedlings on moisture, and the phenomenon of 'seedling burning' caused by excessive spraying is avoided.
In the method, the time for ridging is preferably 10-15 cm, more preferably 12-13cm, when 5-6 true leaves grow out of the seedlings, the seedlings grow to a proper height, so that the field operation is facilitated, the ridging and seedling protecting effects are good, the growth promoting effect is remarkable, and the height of the ridging is preferably 3-4 cm, more preferably 3.5 cm.
In the invention, the preferable management after the adult plants comprises root application of compound fertilizer before bud emergence, the frequency of the root application of the compound fertilizer is preferably 2 times, the interval of the root application of the compound fertilizer is preferably 7-10 days, and the better isSelecting the fertilizer for 8-9 days, wherein the fertilizing amount of the compound fertilizer is preferably 30-40 kg/667m2More preferably 33 to 37kg/667m2. The application amount, the application times and the application intervals of the compound fertilizer meet the requirement of trollius chinensis on nutrients during flowering and avoid the phenomenon of seedling burning caused by excessive application of fertilizer.
The technical solutions provided by the present invention are described in detail below with reference to examples, but they should not be construed as limiting the scope of the present invention.
Example 1
(1) In 2016, the experiment base of the Guyuan institute of Ongxia agriculture and forestry academy of sciences of Ongxia county, Guangzhou, 4 months, a fertile soil block 6670m is selected2And 4, 3 days after 4 months, leveling the land, ridging, wherein the ridge height is 5cm, the ridge width is 100cm, and then covering a black agricultural film with the width of 150 cm.
(2)4 months and 5 days, selecting 7kg of flos Trollii seeds, placing into plastic bucket, adding 12L of GA with concentration of 5g/L3Soaking in the water solution for 48h, pouring the seeds into a plastic mesh bag, and draining the solution until no water drops are formed. The drained seeds are uniformly dispersed in a mesh bag, and then are placed in a constant temperature incubator to be cultured for 3 days under the conditions of 25 ℃ and 90% humidity.
(3) And 4, 4 months and 8 days, planting holes with the diameter of 4cm and the depth of 1cm are drilled on the agricultural film by using a planting puncher according to the planting row spacing of 20 multiplied by 30 cm. Mixing fine sand with the above flos Trollii seeds at a ratio of 50:1, and sowing at a ratio of 0.7kg/667m with a sowing machine2Seeding quantity, seeding in planting hole. After the sowing is finished, covering a layer of white agricultural film with the width of 150cm on the ridge.
(4)5, 15 days after the month, the trollius chinensis seeds germinate, more than 80 percent of seedlings expand 1 true leaf, and the white agricultural film is removed.
(5) Spraying leaf fertilizer (spring rain No. 1, Wen high-tech chemical Co., Ltd. in Henan) diluted at a ratio of 1:1000 for 1 time every 15 days, spraying 4 times in total, and earthing up 3cm at the root of the seedling when the 5 th main leaf grows out.
(6) 4 months in 2017, goldThe lotus perennial root grows into a formed plant, weeds in the middle of ridges are removed in time, and flower buds are 30kg/667m before appearing2Fertilizing amount, root applying compound fertilizer (Yangfeng compound fertilizer) for 2 times, and the interval between two fertilizing is 7 days.
(7) 6-9 months in 2017, collecting flowers with full open sepals and unopened petals after no rainfall disappears, and collecting 1 crop every 5 days, wherein flower stalks are kept 0.5cm during picking.
(8) Spreading fresh flowers on the drying rack uniformly and lightly to avoid the accumulation of the flowers, drying for 2 days, and lightly placing the dried flowers in a paper box or a paper bag to be kept in a dark place for later use.
Performing field management and harvesting in 2018 and 2019 according to the management measures, wherein the total yield of dried flowers in 2018 is 316kg, and the average yield is 667m231.6kg of dried flowers are produced, and 344kg of dried flowers are produced in 2019 in total, wherein the average weight is 667m234.4kg of dried flowers are produced.
Example 2:
(1) in 2016, a planting base of Xijiruitai agricultural development limited company of Jiqiangzhenglong king girald village in Xijiji county, Ningxia, selects a fertile soil block 6670m2And (4) leveling the land, ridging, wherein the height is 3cm, the ridge width is 60cm, and then covering a black agricultural film with the width of 100cm in 20 days after 8 months.
(2) Selecting 8kg of flos Trollii seeds for 8 months and 21 days, placing into a plastic bucket, adding 12L of GA with concentration of 5g/L3Soaking in the water solution for 48h, pouring the seeds into a plastic mesh bag, and draining the solution until no water drops are formed. The drained seeds are uniformly dispersed in a mesh bag, and then are placed in a constant temperature incubator to be cultured for 2 days under the conditions of 20 ℃ and 80% humidity.
(3) And (4) on 8 months and 23 days, planting holes with the diameter of 6cm and the depth of 2cm are drilled on the agricultural film by using a planting puncher according to the planting row spacing of 15 multiplied by 30 cm. Uniformly mixing the fine sand and the trollius chinensis seeds according to the proportion of 60:1, and using a seeder according to the proportion of 0.8kg/667m2Seeding quantity, seeding in planting hole. After the sowing is finished, a layer of white agricultural film of 100cm is covered on the ridge, so that the water in the planting hole is not easy to lose.
(4) And in 25 days after 9 months, the trollius chinensis seeds germinate, more than 80 percent of seedlings expand 2 true leaves, and the white agricultural film is removed.
(5) Spraying leaf fertilizer (spring rain No. 1, Wen high-tech chemical Co., Ltd. in Henan) diluted by a ratio of 1:1000 for 1 time every 10 days, spraying 3 times in total, and earthing up 4cm at the root of the seedling when the height of the seedling is 15 cm.
(6) In 6 months in 2017, the perennial roots of the trollius chinensis grow into a formed plant, weeds in the middle of ridges are removed in time, and flower buds are 40kg/667m before appearing2Fertilizing amount, root applying compound fertilizer (Yangfeng compound fertilizer) for 2 times, and the interval between two fertilizing is 10 days.
(7) 6-15-9-15 days in 2017, collecting flowers with full open sepals and unopened petals after no rainfall disappears, and collecting 1-time cut every 5 days with flower stalks kept 1 cm.
(8) Spreading the fresh flowers on an airing rack uniformly and lightly to avoid the accumulation of the flowers, airing for 3 days, and placing the dried flowers in a paper box or a paper bag lightly for storage in a dark place;
performing field management and harvesting in 2018 and 2019 according to the management measures, wherein 263kg of dried flowers are produced in total in 2018, and the average yield is 667m226.3kg of dried flowers are produced, and 314kg of dried flowers are produced in 2019 in total, wherein the average weight is 667m231.4kg of dried flowers are produced.
Example 3:
(1) 4 months in 2017, selecting a fertile soil block 6670m in a Chengxiang Xinriver village experimental base in Ningxia Longde county2. And 4, leveling the land for 10 days after 4 months, ridging, wherein the height is 4cm, the ridge width is 80cm, and then covering a black agricultural film with the width of 120 cm.
(2)4 month and 11 days, selecting 7.5kg of flos Trollii seed, placing into plastic bucket, adding 12L of GA with concentration of 5g/L3Soaking in the water solution for 48h, pouring the seeds into a plastic mesh bag, and draining the solution until no water drops are formed. The drained seeds were uniformly dispersed in mesh bags, and then placed in a constant temperature incubator for 2 days at 23 ℃ under 70% humidity.
(3) And 4, 13 days after 4 months, planting holes with the diameter of 5cm and the depth of 2cm are drilled on the agricultural film by using a planting puncher according to the planting row spacing of 25 multiplied by 35 cm. Uniformly mixing the fine sand and the trollius chinensis seeds according to the proportion of 80:1, and using a seeder according to the proportion of 0.75kg/667m2Seeding quantity, seeding in planting hole. SeedingAfter the planting is finished, covering a layer of white agricultural film with the width of 120cm on the ridge.
(4) And in the 5-month 18-day period, more than 80% of the tropaeolum seeds germinate, 2 true leaves of seedlings are unfolded, and the white agricultural film is removed.
(5) Spraying leaf fertilizer (spring rain No. 1, Wen high-tech chemical Co., Ltd. in Henan) diluted in a ratio of 1:1000 for 1 time and spraying 5 times in total every 14 days. When the height of the seedling is 10, the root of the seedling is earthed up by 4 cm.
(6) In 2017, in 5 months, the perennial roots of the trollius chinensis grow into a formed plant, weeds in the middle of ridges are removed in time, and flower buds are 35kg/667m before appearing2Fertilizing amount, root applying compound fertilizer (Yangfeng compound fertilizer) for 2 times, and the interval between two fertilizing is 8 days.
(7) 6-9 months in 2018, in the time of no rainfall, after morning dew disappears, flowers with full open sepals and unopened petals are picked, flower stalks are kept for 0.8cm during picking, and 1 crop is picked every 4 days.
(8) Spreading fresh flowers on the drying rack uniformly and lightly to avoid the accumulation of the flowers, drying for 3 days, and storing the dried flowers in a paper box or a paper bag in a dark place for later use.
Performing field management and harvesting according to the management measures in 2019 and 2020, wherein the total yield of dried flowers in 2019 is 303kg, and the average yield is 667m230.3kg of dried flowers, 337kg of dried flowers in 2020, 667m on average233.7kg of dried flowers are produced.
Comparative example: planting trollius chinensis by adopting the traditional method of firstly growing seedlings and then transplanting
(1) 4 months in 2017, selecting a fertile soil block 667m in a Chengxiang Xinriver village experimental base in Ningxia Longde county2. Leveling the soil, ridging for 10 days after 4 months, wherein the height is 4cm, the ridge width is 80cm, and a small arched shed is built.
(2) Selecting 0.75kg of flos Trollii seeds for 4 months and 12 days, placing into a plastic bucket, adding 1.2L of GA with concentration of 5g/L3Soaking in the water solution for 48h, pouring the seeds into a plastic mesh bag, and draining the solution until no water drops are formed. The drained seeds were uniformly dispersed in mesh bags, and then placed in a constant temperature incubator for 2 days at 23 ℃ under 70% humidity.
(3)4 months and 13 days, uniformly mixing the fine sand with the trollius chinensis seeds according to the proportion of 80:1, then sowing the trollius chinensis seeds on ridges, carrying out tunnel seedling culture, and managing and protecting according to the traditional measures until overwintering.
(4) Transplanting trollius chinensis seedlings in 2018, 4 months and 15 days at a row spacing of 25 × 35cm, wherein the transplanting area is 6670m2And after transplanting, managing and protecting according to the traditional measures.
(5) 6-9 months in 2018, in the time of no rainfall, after morning dew disappears, flowers with full open sepals and unopened petals are picked, flower stalks are kept for 0.8cm during picking, and 1 crop is picked every 4 days.
(6) Spreading fresh flowers on the drying rack uniformly and lightly to avoid the accumulation of the flowers, drying for 3 days, and storing the dried flowers in a paper box or a paper bag in a dark place for later use.
Performing field management and harvesting according to the management measures in 2019 and 2020, wherein the total yield of dried flowers in 2019 is 28.6kg, and the average yield is 667m22.86kg of dried flowers, 242kg of dried flowers in 2020, 667m on average224.2kg of dried flowers are produced.
The results of comparing example 3 with the comparative example show that the yield is very low when the traditional Chinese globeflower planting method in the field does not enter the high-yield period in 2019, but the method disclosed by the invention enters the high-yield period in 2019, and the method enters the high-yield period one year earlier than the traditional planting method, and the average yield is 24.2kg when the traditional Chinese globeflower planting method in the field enters the high-yield period in 2020, which is lower by about 20% than the average yield of 30.3kg in 2019.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A direct sowing planting method of trollius chinensis is characterized by comprising the following steps:
accelerating germination of trollius chinensis seeds; ridging, covering a black agricultural film, and drilling planting holes on the black agricultural film; mixing the fine sand and the seeds after the pregermination treatment, sowing, and covering a white agricultural film; after more than 80% of seedlings expand 1-2 true leaves, removing the white agricultural film; then, the seedling protection and strengthening, the soil culture and the seedling protection and the management after the plant growth are carried out.
2. The direct sowing planting method of trollius chinensis as claimed in claim 1, wherein the pregermination treatment specifically comprises: soaking the trollius chinensis seeds in gibberellin water solution with the concentration of 5g/L for 48 hours, draining, and culturing at the constant temperature of 20-25 ℃.
3. The direct sowing planting method of the trollius chinensis bunge as claimed in claim 1, wherein the ridge forming height is 3-5 cm, and the ridge forming width is 60-120 cm.
4. The direct sowing planting method of the trollius chinensis as claimed in claim 1, wherein the plant row spacing of the planting holes is 15-30 x 30-40 cm, the diameter of the planting holes is 4-6 cm, and the depth of the planting holes is 1-2 cm.
5. The direct sowing planting method of the trollius chinensis bunge as claimed in claim 1, wherein the weight ratio of the fine sand to the seeds subjected to the pregermination treatment is 50-80: 1.
6. The direct sowing planting method of trollius chinensis as claimed in claim 1, wherein the sowing quantity of the sowing is 0.5-0.8 kg/667m2。
7. The direct sowing planting method of trollius chinensis as claimed in claim 1, wherein the seedling protection and strengthening is spraying foliar fertilizer, which specifically comprises: spraying the fertilizer for 1 time every 10-15 days, and spraying the fertilizer for 3-5 times in the whole seedling stage.
8. The direct sowing planting method of trollius chinensis as claimed in claim 1, wherein the hilling time is as follows: and (5) growing 5-6 true leaves or 10-15 cm high.
9. The direct sowing planting method of trollius chinensis as claimed in claim 1, wherein the height of the hilling soil is 3-4 cm.
10. The direct sowing planting method of trollius chinensis as claimed in claim 1, wherein the management after the plants are grown comprises applying compound fertilizer to roots before buds appear, the frequency of applying compound fertilizer to roots is 2 times, the interval of applying compound fertilizer to roots is 7-10 days, and the fertilizing amount of compound fertilizer is 30-40 kg/667m2。
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