CN114651692A - Effective weeding method for hemerocallis middendorfii - Google Patents
Effective weeding method for hemerocallis middendorfii Download PDFInfo
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Abstract
The invention provides an effective weeding method for hemerocallis middendorfii, relates to the technical field of plant cultivation, and comprises the following steps: s1: weeding comprehensively by using glufosinate, spreading organic fertilizer, ploughing the land, and making beds in the north and south directions; s2: sealing grass on the ridge surfaces and drainage ditches by using 500 times of liquid of the isopropyl methyl amine or 300 times of liquid of the pendimethalin, and uniformly spraying the grass on the ground surface; s3: planting and transplanting hemerocallis fulva seedlings, and watering root fixing water thoroughly after the seedlings are planted; s4: covering a gardening ground fabric on the ridge surface within one week after seedling planting, fixing the ground fabric, cutting the ground fabric on the seedlings into round holes, and taking out the seedlings; according to the method, the mode of combining physical weeding by the ground fabric and weeding by using a chemical agent and grass sealing can be used for realizing year-round weed prevention and control in the field planting of the hemerocallis middendorfii, so that the management cost is reduced, the grass prevention effect is enhanced, the worry of hemerocallis middendorfii producers is thoroughly eliminated, and a powerful technical guarantee is provided for the popularization and application of the hemerocallis middendorfii.
Description
Technical Field
The invention relates to the technical field of plant cultivation, in particular to an effective weeding method for hemerocallis middendorfii.
Background
The hemerocallis are plants of liliaceae, are famous ornamental flowers and edible flowers, perennial root plants, leaves in spring and autumn and flowers in summer, have strong adaptability, low maintenance cost, easy management and easy propagation; the hemerocallis fulva has the advantages of various varieties, long flowering phase, various flower types, rich flower colors, and capability of having both color and shape, integrates the advantages of multiple aspects, is a rare good material in landscaping, and undoubtedly becomes a first choice for constructing economical gardens and ecological civilization cities at present when the call for ecological civilization construction and low-carbon environmental protection is higher and higher;
the day lily can be used for creating natural landscapes in flower beds, flower borders, cursory, lawns, woods, grass slopes and the like, can be used for beautifying the house by cutting flowers and basins, has wide application prospect, has deep and thick day lily culture base, and has the characteristics that the day lily begins to represent a mother love, is called as a Chinese mother flower, is not only a beautiful flower, but also a culture symbol of Chinese nationality, and the breeding and popularization of day lily varieties are not only beautiful transmission, but also great love inheritance of Chinese nationality's Cixiao culture, and earlier in the middle and century, the day lily begins to be transmitted to Europe, and in 1890 years, almost all day lily varieties are introduced into Europe and American gardens, become important garden plants, are researched by China, and finally, P.G.liss theoretically deduces that human beings can create new varieties with different characters 2321, and the countryside beautiful ornamental day lily works in 19 th-eared day lily in the world, since the 20 th century, a great deal of high-quality hybrid hemerocallis fulva is cultivated;
at present, the hemerocallis middendorfii is cultivated and applied in Beijing, Shanghai, Jilin, Xinjiang, Hebei, Shandong, Shanxi, Zhejiang, Jiangsu, Guangzhou, Hunan, Yunnan and the like in China, but at present, except for wild species of Jinhua, hongyun, evergreen hemerocallis and hemerocallis, other species are less applied, the production scale of the ornamental hemerocallis in China is about 500 mu, particularly, the number of new species with stronger ornamental value is quite limited, and the large-scale popularization reserve is not provided, so that the hemerocallis midsea is in the period of expanding propagation of a large number of new and excellent hemerocallis, the largest cost is derived from cleaning weeds except seedlings, the traditional method for cleaning the weeds is manual removal, the labor cost is higher and higher, the effect is limited, particularly, the most wild seasons of the weeds are also available in China, particularly in the southern areas of the Yangtze river, the world, the weeds are not in many years, after one month and one year, the labor cost is considerable, if the herbicide is used for weeding, the types of the herbicide are many, many herbicides can cause damage to the hemerocallis fulva, or only certain types of weeds can be removed, if the mulch film or the mulch cloth is used for preventing weeds, the production cost of the base cloth is increased, but the weeds cannot be completely avoided, so that the invention provides the effective weeding method for the hemerocallis fulva day, and the problems in the prior art are solved.
Disclosure of Invention
Aiming at the problems, the invention provides the effective weeding method for the hemerocallis middendorfii, which reduces the management cost, strengthens the weed prevention effect, thoroughly eliminates the worry of hemerocallis middendorfii producers, and provides a powerful technical guarantee for the popularization and the application of the hemerocallis middendorfii.
In order to realize the purpose of the invention, the invention is realized by the following technical scheme: an effective weeding method for hemerocallis middendorfii comprises the following steps:
s1: weeding comprehensively by using glufosinate, spreading organic fertilizer, ploughing the land, and making beds in the north and south directions;
s2: using 500 times liquid of isopropyl methyl amine or 300 times liquid of pendimethalin to seal the ridge surface and the drainage ditch, and uniformly spraying the surface;
s3: planting and transplanting hemerocallis fulva seedlings, and watering the seedlings thoroughly to fix roots;
s4: covering a gardening ground fabric on the ridge surface within one week after seedling planting, fixing the ground fabric, cutting the ground fabric on the seedlings into round holes, and taking out the seedlings;
s5: after the ground cloth is covered and the drainage ditch is free of water, the round holes and the drainage ditch on the ground cloth are sealed with 500 times of liquid of the fine isopropyl methyl amine or 300 times of liquid of the pendimethalin, and the ground cloth is uniformly sprayed;
s6: observing the drainage ditch and the seedling hole after 1.5-2 months after planting, when weeds grow in the seedling hole and the drainage ditch, removing by adopting a mode of combining double liquid spraying and manual pulling, and sealing the weeds;
s7: observing the drainage ditch and the seedling hole after 1.5-2 months after sealing grass, spraying the double liquid and manually removing when weeds grow in the seedling hole and the drainage ditch, and sealing grass again;
s8: repeating S7 till 12 months, cutting, weeding and cleaning the hemerocallis fulva seedlings, when weeds exist in the seedling holes and the drainage ditches, removing by adopting a mode of combining double-liquid spraying and manual removal, and sealing the weeds;
s9: and repeating the steps from S7 to S8 until the seedlings are lifted and transplanted or are outplanted.
The further improvement is that: in the step S1, when the glufosinate-ammonium is used for weeding, the spraying amount is 9L/hm2Spraying is carried out on sunny days, cloudy days, windless and rainless days, no rainfall occurs within 6 hours after the pesticide is applied, and in S1, the organic fertilizer is spread for 30t/hm2Ploughing the land, leveling and harrowing, making furrows in the north and south directions without plant stubble and large soil blocks, wherein the width of the furrow is 1.2m, the width of the ditch is 20cm, and the depth of the ditch is 20 cm.
The further improvement is that: and S2, when grass sealing treatment is carried out on the ridge surfaces and the drainage ditches, the ground is wet after rain, and the grass is sprayed when no water is accumulated in the drainage ditches, so that the soil humidity is controlled to be more than or equal to 80%.
The further improvement lies in that: and in S3, transplanting day lily seedlings, wherein each row has 3 clusters, the row distance is 30-40cm, and in S3, after the seedlings are planted and the rooting water is completely poured, the seedlings are watered again in the evening of the next day when the weather is clear.
The further improvement lies in that: in the S4, the rectangular pieces of bed cloth are covered with gardening ground cloth, the ground cloth is fixed by ground nails, and the ground cloth on the seedlings is cut into round holes with the diameter of 5-7cm by scissors.
The further improvement lies in that: and S5, when grass sealing treatment is carried out on the round holes and the drainage ditches on the ground cloth, the ground is wet after rain, and the grass is sprayed when no water is accumulated in the drainage ditches, so that the soil humidity is controlled to be more than or equal to 80%.
The further improvement lies in that: in S6, after 1.5-2 months after seedling planting, when weeds grow out of seedling holes, 300 times of fenoxaprop-p-ethyl liquid is selected for gramineous weeds in a 2-4 leaf stage and sprayed around the base parts of the hemerocallis fulva in the circular holes, the weeds are manually removed when the temperature is lower than 35 ℃, 75 times of glufosinate-ammonium liquid or 450 times of nursery stock clearing liquid is used for selecting windless weather when weeds exist in a drainage ditch, a protective sleeve is arranged on a spray head and used for weeding by being attached to the side surface and the bottom surface of the drainage ditch, and the weeds are manually removed after withering; and in S6, after manual removal, when the soil humidity is more than or equal to 80% and the drainage ditch is anhydrous, the hemerocallis holes and the drainage ditch on the ridge surface are sealed with 500 times of refined isopropyl methyl amine or 300 times of pendimethalin, and the hemerocallis holes and the drainage ditch are uniformly sprayed on the ground surface.
The further improvement lies in that: in S7, 1.5-2 months after grass sealing, when weeds grow out of seedling holes, 300 times of fenoxaprop-p-ethyl liquid is selected for gramineous weeds in a 2-4 leaf stage and sprayed around the base parts of hemerocallis fulva in the circular holes, the weeds are forbidden at the temperature of above 35 ℃, broad-leaved weeds are removed manually, when weeds exist in a drainage ditch, 75 times of glufosinate ammonium or 450 times of seedling clearing, windless weather is selected, a protective sleeve is arranged on a spray head, the weeds are removed by clinging to the side surfaces and the bottom surface of the drainage ditch, and the weeds are removed manually after withering; and in S7, after manual removal, when the soil humidity is more than or equal to 80% and the drainage ditch is anhydrous, the hemerocallis holes and the drainage ditch on the ridge surface are sealed with 500 times of refined isopropyl methyl amine or 300 times of pendimethalin, and the hemerocallis holes and the drainage ditch are uniformly sprayed on the ground surface.
The further improvement is that: in S8, when the hemerocallis seedlings are mowed, weeded and cleared, weeds grow out of seedling holes, 300 times of fenoxaprop-p-ethyl liquid is selected for gramineous weeds in a 2-4 leaf stage and sprayed around the hemerocallis base in the circular holes, the weeds are forbidden at the temperature of more than 35 ℃, broad-leaved weeds are manually removed, 75 times of glufosinate ammonium liquid or 450 times of nursery stock clearing liquid is used for weeds in a drainage ditch, windless weather is selected, a protective sleeve is arranged on a spray head, the weeds are tightly attached to the side surfaces and the bottom surface of the drainage ditch for weeding, and the weeds are manually removed after withering; and in S8, mowing 12 months of day lily to leave 5cm stubble, completely cleaning day lily leaves out of a day lily field, simultaneously cleaning up weeds in day lily holes and weeds died in ditches, carrying out concentrated airing and stack retting garbage treatment on the day lily leaves and the weeds, sealing the day lily holes and the ditches with the pure isopropyl methyl amine 500-fold liquid or the pendimethalin 300-fold liquid when the soil humidity is more than or equal to 80% and the ditches are anhydrous after the day lily leaves, the day lily holes and the ditches are completely cleaned, and uniformly spraying the earth surface.
The invention has the beneficial effects that:
1. according to the method, the mode of combining physical weeding by the ground fabric, weeding by chemical agents and grass sealing can be used for preventing and controlling annual weeds planted in the hemerocallis middendorfii field, the management cost is reduced, the weed prevention effect is enhanced, the worry of hemerocallis middendorfii producers is eliminated thoroughly, and a powerful technical guarantee is provided for popularization and application of the hemerocallis middendorfii.
2. According to the invention, fenoxaprop-p-ethyl is selected to be sprayed around the base part of the hemerocallis in the circular hole, so that no damage is caused to the hemerocallis, glufosinate or nursery stocks are selected to be used in windless weather, the spray head is provided with the protective sleeve, and the protective sleeve is tightly attached to the side surface of the drainage ditch and the ground surface of the ditch bottom to weed, so that damage caused by spraying to hemerocallis and leaves is prevented, and in conclusion, the type of the herbicide is strictly controlled, and damage to the hemerocallis is avoided.
Drawings
FIG. 1 is a flow chart of the present invention.
Detailed Description
In order to further understand the present invention, the following detailed description will be made with reference to the following examples, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.
Example one
As shown in fig. 1, this embodiment proposes an effective weeding method for hemerocallis middendorfii, including the following steps:
s1: weeding comprehensively by using glufosinate, spreading organic fertilizer, ploughing the land, and making beds in the north and south directions;
s2: using 500 times of liquid of isopropyl methyl amine (Jindouer) or 300 times of liquid of pendimethalin (lawn sealing) to seal the furrow surface and the drainage ditch, and uniformly spraying the surface;
s3: planting and transplanting hemerocallis fulva seedlings, and watering root fixing water thoroughly after the seedlings are planted;
s4: covering a gardening ground fabric on the ridge surface within one week after seedling planting, fixing the ground fabric, cutting the ground fabric on the seedlings into round holes with the diameter of 5-7cm, and taking out the seedlings;
s5: after the ground cloth is covered and the drainage ditch is free of water, 500 times of liquid of the isopropyl methyl amine (Jindouer) or 300 times of liquid of the pendimethalin (lawn sealing) is used for sealing grass on the round holes and the drainage ditch on the ground cloth, and the ground surface is uniformly sprayed;
s6: observing the drainage ditch and the seedling hole after 1.5-2 months after planting, when weeds grow in the seedling hole and the drainage ditch, removing by adopting a mode of combining double liquid spraying and manual pulling, and sealing the weeds;
s7: observing the drainage ditch and the seedling hole after 1.5-2 months after sealing grass, spraying the double liquid and manually removing when weeds grow in the seedling hole and the drainage ditch, and sealing grass again;
s8: repeating S7 till 12 months to mow, weed and clean the hemerocallis fulva seedlings, when weeds exist in seedling holes and drainage ditches, adopting a mode of combining double-liquid spraying and manual removal to remove the weeds, when the weeds are few, directly removing all grasses regardless of gramineae or broad-leaved weeds, when the weeds are more, particularly the grasses in the family, removing the weeds together after spraying the lejiujing for 5-7 days, and when the weeds do not appear or the weed just appears, directly sealing the weeds again;
s9: and repeating the steps from S7 to S8 until the seedlings are lifted and transplanted or are outplanted.
According to the method, the mode of combining physical weeding by the ground fabric, weeding by chemical agents and grass sealing can be used for preventing and controlling annual weeds planted in the hemerocallis middendorfii field, the management cost is reduced, the weed prevention effect is enhanced, the worry of hemerocallis middendorfii producers is eliminated thoroughly, and a powerful technical guarantee is provided for popularization and application of the hemerocallis middendorfii.
Example two
The embodiment provides an effective weeding method for hemerocallis middendorfii, which comprises the following steps:
in S1, the spraying amount is 9L/hm when glufosinate-ammonium is used for weeding2Spraying is carried out on sunny days, cloudy days, windless and rainless days, no rainfall occurs within 6 hours after the application of the herbicide, the weeding effect is good, no residue is left, no pollution is caused, and in S1, the organic fertilizer is spread for 30t/hm2Ploughing the land, leveling and raking the land finely, and leaving no plant residue and big on the ground surfaceAnd (3) making ridges in the north-south direction of the soil blocks, wherein the ridge width is 1.2m, the furrow width is 20cm, and the furrow depth is 20 cm.
S2, when grass sealing treatment is carried out on the ridge surface and the drainage ditch, the grass sealing treatment is carried out after rain, the grass sealing treatment is carried out when the ground is wet and no water is accumulated in the drainage ditch, and the soil humidity is controlled to be more than or equal to 80%.
And in S3, transplanting day lily seedlings, wherein each row is 3 clusters, the row spacing is 30-40cm before and after each row, and in S3, after the seedlings are planted and root fixing water is completely poured, watering is carried out again in the evening on the next day when the weather is clear.
And S4, covering the bed with gardening ground cloth, fixing the ground cloth with ground nails, cutting the ground cloth on the seedlings into circular holes with the diameter of 5-7cm by using scissors, and picking out the seedlings. The mode of combining physical weeding by the ground cover cloth and weeding by chemical agents and grass sealing can realize annual weed prevention and control in the field planting of hemerocallis middendorfii, reduce the management cost and strengthen the weed prevention effect.
S5, when grass sealing treatment is carried out on the round holes and the drainage ditches on the ground cloth, the ground is wet after rain, and spraying is carried out when no water is accumulated in the drainage ditches, and the soil humidity is controlled to be more than or equal to 80%.
S6, after 1.5-2 months after seedling planting, when weeds grow out of seedling holes, 300 times of liquid of fenoxaprop-p-ethyl (Lehe-Hejing) is selected for gramineous weeds in a 2-4 leaf stage and sprayed around the hemerocallis fulva base in a round hole, the weeds are manually pulled out when the temperature is lower than 35 ℃, when weeds exist in a drainage ditch, 75 times of liquid of glufosinate ammonium or 300 times of liquid of nursery stock clearing and 450 times of liquid of the hemerocallis fulva are selected, a windless weather is selected, a protective sleeve is arranged on a spray head, the weeds are tightly adhered to the side surface and the bottom surface of the drainage ditch to weed, the damage caused by spraying to hemerocallis and leaves is prevented, and the weeds are manually removed after withering. If weeds have good seedling clearing effect in the 2-4 leaf stage, the damage to hemerocallis can be recovered, and if the grass ages are larger, glufosinate-ammonium is more effective. However, the damage to hemerocallis cannot be reversed, and careful treatment is needed when taking medicine. And in S6, after manual removal, when the soil humidity is more than or equal to 80% and the drainage ditch is anhydrous, 500 times of liquid of isopropyl methyl amine (Jindouer) or 300 times of liquid of pendimethalin (lawn sealing) is used for sealing the hemerocallis holes and the drainage ditch on the ridge surface, and the hemerocallis holes and the drainage ditch are uniformly sprayed on the ground surface. The mode of combining physical weeding with chemical agent weeding and grass sealing on the ground covered cloth can realize annual weed prevention and control of day lily field planting, reduce management cost and enhance weed prevention effect. When weeding in the seedling holes, the fenoxaprop-p-ethyl is selected to be sprayed to the periphery of the hemerocallis in the round hole, the hemerocallis are not damaged, when weeding in the drainage ditch, glufosinate-ammonium or nursery stocks are selected to be cleaned in windless weather, the protective sleeve is arranged on the spray head, weeding is carried out by clinging to the side surface and the bottom surface of the drainage ditch, the hemerocallis plants and leaves are prevented from being sprayed to the hemerocallis to cause damage, when grass sealing is carried out, the hemerocallis holes and the drainage ditch in the furrow surface are sealed by the fenoxanil or pendimethalin, the grass sealing effect is good, the type of the herbicide is strictly controlled, and the hemerocallis are prevented from being damaged.
In S7, 1.5-2 months after grass sealing, when weeds grow out from seedling holes, 300 times of liquid of fenoxaprop-p-ethyl (Lehe Hejing) is selected for gramineous weeds in a 2-4 leaf stage and sprayed around the base parts of hemerocallis fulva in round holes, the weeds are forbidden at the temperature of above 35 ℃, broad leaf weeds are removed manually, when weeds exist in drainage ditches, 75 times of liquid of glufosinate ammonium or 300 times of liquid of nursery stock clearing, 450 times of liquid of the hemerocallis fulva is selected, windless weather is selected, a protective sleeve is arranged on a spray head, the weeds are tightly attached to the side surfaces and the bottom surfaces of the drainage ditches to be removed, the weeds are prevented from being sprayed to the hemerocallis and blades to cause damage, and the weeds are removed manually after withering. If weeds have good seedling clearing effect in the 2-4 leaf stage, the damage to hemerocallis can be recovered, and if the grass ages are larger, glufosinate-ammonium is more effective. However, the damage to hemerocallis cannot be reversed, and careful treatment is needed when taking medicine. And in S7, after manual removal, when the soil humidity is more than or equal to 80% and the drainage ditch is anhydrous, 500 times of liquid of isopropyl methyl amine (Jindouer) or 300 times of liquid of pendimethalin (lawn sealing) is used for sealing the hemerocallis holes and the drainage ditch on the ridge surface, and the hemerocallis holes and the drainage ditch are uniformly sprayed on the ground surface. The mode of combining physical weeding with chemical agent weeding and grass sealing on the ground covered cloth can realize annual weed prevention and control of day lily field planting, reduce management cost and enhance weed prevention effect. When weeding in the seedling holes, the fenoxaprop-p-ethyl is selected to be sprayed to the periphery of the hemerocallis in the round hole, the hemerocallis are not damaged, when weeding in the drainage ditch, glufosinate-ammonium or nursery stocks are selected to be cleaned in windless weather, the protective sleeve is arranged on the spray head, weeding is carried out by clinging to the side surface and the bottom surface of the drainage ditch, the hemerocallis plants and leaves are prevented from being sprayed to the hemerocallis to cause damage, when grass sealing is carried out, the hemerocallis holes and the drainage ditch in the furrow surface are sealed by the fenoxanil or pendimethalin, the grass sealing effect is good, the type of the herbicide is strictly controlled, and the hemerocallis are prevented from being damaged.
In S8, when the hemerocallis seedlings are mowed, weeded and cleared away, weeds grow out of seedling holes, 300 times of fenoxaprop-p-ethyl (Lehujing) solution is selected for gramineous weeds in a 2-4 leaf stage and sprayed around the hemerocallis base in the round holes, the weeds are forbidden at the temperature of over 35 ℃, broad-leaved weeds are manually removed, 75 times of glufosinate-ammonium or 450 times of nursery stock clearing, windless weather is selected, a protective sleeve is arranged on a spray head, the weeds are tightly attached to the side surfaces and the bottom surface of the drainage ditch to be weeded, the hemerocallis plants and leaves are prevented from being damaged, and the weeds are manually cleared away after withering. If weeds have good seedling clearing effect in the 2-4 leaf stage, the damage to hemerocallis can be recovered, and if the grass ages are larger, glufosinate-ammonium is more effective. However, the damage to hemerocallis cannot be reversed, and careful treatment is needed when taking medicine. And in S8, cutting day lily in 12 months to leave a 5 cm-stubble opening, cleaning all day lily leaves out of a day lily field, simultaneously cleaning weeds in day lily holes and weeds dead in ditches, performing concentrated airing and stack retting garbage treatment on the day lily leaves and the weeds, sealing the day lily holes and the ditches with 500 times of isopropyl methyl amine or 300 times of pendimethalin when the soil humidity is more than or equal to 80% and the ditches are anhydrous after the day lily leaves, the day lily holes and the ditches are completely cleaned, and uniformly spraying the ground surface. When weeding in the seedling hole, select in the interior day lily basal portion of smart oxazole grass spirit spraying round hole around, do not have the injury to day lily, when weeding in the escape canal, select glufosinate-ammonium or the clear weather at the calm of nursery stock, add the protective sheath on the shower nozzle, hug closely escape canal side and ditch bottom of the earth's surface and weed, prevent to spout day lily plant and blade and cause the injury, strict control weedicide kind avoids causing the injury to day lily.
The first verification example:
in 2020-2021 years, glufosinate ammonium, glyphosate, nursery stock clean (oxyfluorfen), sethoxydim (haloxyfop-R-methyl), leyejing (fenoxaprop-p-ethyl), carbethoxyfen, quizalofop-p-ethyl, lawn (pendimethalin), metropolis (isopropyl methyl amine) and trifluralin are respectively utilized to perform efficacy tests on weeds and hemerols, weeding effects are compared, the damage degree of the hemerols is reduced, and a herbicide suitable for the application in the hemerols field is searched for, and the following table is shown:
the second verification example:
in 2021, in two hemerocallis middendorfii production demonstration areas, weeding, fertilizing, plowing, sealing grass, planting seedlings, covering ground cloth, sealing grass, weeding and sealing grass are carried out on 31 mu of the newly planted hemerocallis middenhair nursery by the weeding method disclosed by the invention, and the weed control effect is good.
Comparative example one:
during 2015-2017 years, the same planting of one mu of day lily fields adopts different modes of manual removal, black agricultural film covering and gardening ground cloth covering to prevent grass, the cost is accounted, and the grass prevention effect and the advantages and the disadvantages are compared, see the following table:
according to the method, the annual weed prevention and control of the day lily field planting can be realized by combining physical weeding by the ground cloth and weeding by using a chemical agent, and grass sealing, so that the management cost is reduced, the weed prevention effect is enhanced, the worry of day lily producers is eliminated thoroughly, and a powerful technical guarantee is provided for the popularization and the application of the day lily; when weeding is conducted in the seedling holes, fenoxaprop-p-ethyl is selected to be sprayed to the periphery of the hemerocallis base in the round holes, the hemerocallis are not damaged, when weeding is conducted in the drainage ditch, glufosinate-ammonium or nursery stocks in windless weather, the spray head is provided with the protective sleeve, weeding is conducted by clinging to the side face of the drainage ditch and the ground surface of the ditch bottom, damage caused by spraying to hemerocallis plants and leaves is prevented, when grass sealing is conducted, the hemerocallis holes and the drainage ditch in the ridge surface are sealed with isopropyl-methyl-amine or pendimethalin, the grass sealing effect is good, the type of the herbicide is strictly controlled, and damage to the hemerocallis is avoided.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. An effective weeding method for hemerocallis middendorfii, which is characterized by comprising the following steps of:
s1: weeding comprehensively by using glufosinate, spreading organic fertilizer, ploughing the land, and making beds in the north and south directions;
s2: using 500 times liquid of isopropyl methyl amine or 300 times liquid of pendimethalin to seal the ridge surface and the drainage ditch, and uniformly spraying the surface;
s3: planting and transplanting hemerocallis fulva seedlings, and watering root fixing water thoroughly after the seedlings are planted;
s4: covering a gardening ground fabric on the ridge surface within one week after seedling planting, fixing the ground fabric, cutting the ground fabric on the seedlings into round holes, and taking out the seedlings;
s5: after the ground cloth is covered and the drainage ditch is free of water, the round holes and the drainage ditch on the ground cloth are sealed with 500 times of liquid of the fine isopropyl methyl amine or 300 times of liquid of the pendimethalin, and the ground cloth is uniformly sprayed;
s6: observing the drainage ditch and the seedling hole after 1.5-2 months after planting, when weeds grow in the seedling hole and the drainage ditch, removing by adopting a mode of combining double liquid spraying and manual pulling, and sealing the weeds;
s7: observing the drainage ditch and the seedling hole after 1.5-2 months after sealing grass, spraying the double liquid and manually removing when weeds grow in the seedling hole and the drainage ditch, and sealing grass again;
s8: repeating S7 until 12 months, mowing, weeding and clearing the hemerocallis fulva seedlings, when weeds exist in seedling holes and drainage ditches, adopting a mode of combining liquid spraying and manual removal to clear the weeds, and sealing the weeds;
s9: and repeating the steps from S7 to S8 until the seedlings are lifted and transplanted or are outplanted.
2. The method for effectively weeding hemerocallis middendorfii according to claim 1, wherein: in the step S1, when the glufosinate-ammonium is used for weeding, the spraying amount is 9L/hm2Spraying is carried out on sunny days, cloudy days, windless and rainless days, no rainfall occurs within 6 hours after the pesticide is applied, and in S1, the organic fertilizer is spread for 30t/hm2Ploughing the land, leveling and harrowing, making furrows in the south and north directions without plant stubble and large soil blocks, wherein the width of the furrow is 1.2m, the width of the ditch is 20cm, and the depth of the ditch is 20 cm.
3. The method according to claim 2, wherein the effective weeding is performed with hemerocallis middendorfii: and S2, when grass sealing treatment is carried out on the ridge surface and the drainage ditch, the ridge surface and the drainage ditch are sprayed when the ground is wet after rain and no water is accumulated in the drainage ditch, and the soil humidity is controlled to be more than or equal to 80%.
4. The method according to claim 3, wherein the effective weeding is carried out by using hemerocallis middendorfii: and in S3, carrying out field planting and transplanting on the hemerocallis fulva seedlings, wherein each row is 3 clusters, the row spacing is 30-40cm before and after each row, and in S3, after the seedlings are planted and root fixing water is completely poured, pouring is carried out again in the evening on the next day when the weather is clear.
5. The method according to claim 4, wherein the weeding is carried out by using hemerocallis middendorfii as follows: in the step S4, the bed surface is covered with gardening ground cloth, the ground cloth is fixed by ground nails, and the ground cloth on the seedlings is cut into round holes with the diameter of 5-7cm by scissors.
6. The method according to claim 5, wherein the effective weeding is carried out with hemerocallis middendorfii: and S5, when grass sealing treatment is carried out on the round holes and the drainage ditches on the ground cloth, the ground is wet after rain, and the grass is sprayed when no water is accumulated in the drainage ditches, so that the soil humidity is controlled to be more than or equal to 80%.
7. The method of claim 6, wherein said method comprises: in S6, after 1.5-2 months after seedling planting, when weeds grow out of seedling holes, 300 times of fenoxaprop-p-ethyl liquid is selected for gramineous weeds in a 2-4 leaf stage and sprayed around the base parts of the hemerocallis fulva in the circular holes, the weeds are manually removed when the temperature is lower than 35 ℃, 75 times of glufosinate-ammonium liquid or 450 times of nursery stock clearing liquid is used for selecting windless weather when weeds exist in a drainage ditch, a protective sleeve is arranged on a spray head and used for weeding by being attached to the side surface and the bottom surface of the drainage ditch, and the weeds are manually removed after withering; and in S6, after manual removal, when the soil humidity is more than or equal to 80% and the drainage ditch is anhydrous, sealing the hemerocallis holes and the drainage ditch on the ridge surface with 500 times of refined isopropyl-p-methyl-amine or 300 times of pendimethalin, and uniformly spraying the surface.
8. The method of claim 7, wherein said method comprises the steps of: in S7, 1.5-2 months after grass sealing, when weeds grow out of seedling holes, 300 times of fenoxaprop-p-ethyl liquid is selected for gramineous weeds in a 2-4 leaf stage and sprayed around the base parts of hemerocallis fulva in the circular holes, the weeds are forbidden at the temperature of above 35 ℃, broad-leaved weeds are removed manually, when weeds exist in a drainage ditch, 75 times of glufosinate ammonium or 450 times of seedling clearing, windless weather is selected, a protective sleeve is arranged on a spray head, the weeds are removed by clinging to the side surfaces and the bottom surface of the drainage ditch, and the weeds are removed manually after withering; and in S7, after manual removal, when the soil humidity is more than or equal to 80% and the drainage ditch is anhydrous, the hemerocallis holes and the drainage ditch on the ridge surface are sealed with 500 times of refined isopropyl methyl amine or 300 times of pendimethalin, and the hemerocallis holes and the drainage ditch are uniformly sprayed on the ground surface.
9. The method of claim 8, wherein said method comprises: in S8, when the hemerocallis seedlings are mowed, weeded and cleared, weeds grow out of seedling holes, 300 times of fenoxaprop-p-ethyl liquid is selected for gramineous weeds in a 2-4 leaf stage and sprayed around the hemerocallis base in the circular holes, the weeds are forbidden at the temperature of more than 35 ℃, broad-leaved weeds are manually removed, 75 times of glufosinate ammonium liquid or 450 times of nursery stock clearing liquid is used for weeds in a drainage ditch, windless weather is selected, a protective sleeve is arranged on a spray head, the weeds are tightly attached to the side surfaces and the bottom surface of the drainage ditch for weeding, and the weeds are manually removed after withering; and in S8, cutting day lily in 12 months to leave a 5 cm-stubble opening, cleaning all day lily leaves out of a day lily field, simultaneously cleaning weeds in day lily holes and weeds dead in ditches, performing concentrated airing and stack retting garbage treatment on the day lily leaves and the weeds, sealing the day lily holes and the ditches with 500 times of isopropyl methyl amine or 300 times of pendimethalin when the soil humidity is more than or equal to 80% and the ditches are anhydrous after the day lily leaves, the day lily holes and the ditches are completely cleaned, and uniformly spraying the ground surface.
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