CN115005008A - Method for planting flower shrubs in film-covered corn field - Google Patents
Method for planting flower shrubs in film-covered corn field Download PDFInfo
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- CN115005008A CN115005008A CN202210848685.XA CN202210848685A CN115005008A CN 115005008 A CN115005008 A CN 115005008A CN 202210848685 A CN202210848685 A CN 202210848685A CN 115005008 A CN115005008 A CN 115005008A
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- WZISDKTXHMETKG-UHFFFAOYSA-H dimagnesium;dipotassium;trisulfate Chemical compound [Mg+2].[Mg+2].[K+].[K+].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O WZISDKTXHMETKG-UHFFFAOYSA-H 0.000 claims description 5
- 238000003306 harvesting Methods 0.000 claims description 5
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- 229910000368 zinc sulfate Inorganic materials 0.000 claims description 5
- 229960001763 zinc sulfate Drugs 0.000 claims description 5
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 3
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- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 3
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 3
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- 235000016785 Rosa della China Nutrition 0.000 claims description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 3
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- 229910052802 copper Inorganic materials 0.000 claims description 3
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- 229910017053 inorganic salt Inorganic materials 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 239000011777 magnesium Substances 0.000 claims description 3
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- 241000628997 Flos Species 0.000 claims 4
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- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 description 2
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Classifications
-
- 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
- A01G17/00—Cultivation of hops, vines, fruit trees, or like trees
- A01G17/005—Cultivation methods
-
- 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
-
- 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
- A01G13/00—Protecting plants
- A01G13/02—Protective coverings for plants; Coverings for the ground; Devices for laying-out or removing coverings
- A01G13/0256—Ground coverings
- A01G13/0268—Mats or sheets, e.g. nets or fabrics
- A01G13/0275—Films
-
- 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
- A01G22/20—Cereals
-
- 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
- A01G22/60—Flowers; Ornamental plants
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/22—Improving land use; Improving water use or availability; Controlling erosion
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Botany (AREA)
- Soil Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Fertilizers (AREA)
Abstract
The invention discloses a method for planting flower shrubs in a film-covered corn field, and relates to the technical field of plant breeding. The method utilizes the film-covered corn land to plant the flower shrubs, transplants the flower shrubs to the corn land for bed replacement under the film, realizes the reutilization of the mulching film, properly topdresses during the management period, and provides good humic organic fertilizer for the growth of the flower shrubs by adding no tillage of corn roots. The method provided by the invention not only improves the corn yield, but also provides water, soil, fertilizer and materials for later-stage flower and shrub growth, greatly saves the seedling raising cost, and realizes the development goal of comprehensive agriculture and forestry integration.
Description
Technical Field
The invention relates to the technical field of plant breeding, in particular to a method for planting flowers and shrubs in a film-covered corn field.
Background
Because the corn belongs to annual crops and the flower shrub belongs to perennial plants, the corn and the shrub are different in cultivation mode and different in cultivation period. Under the condition that the current land resources are more tense, the realization of the maximization of the soil utilization rate becomes an important research proposition at present.
In view of this, the invention is particularly proposed.
Disclosure of Invention
The invention aims to provide a method for planting flower shrubs in a film-covered corn field, so that the utilization rate of soil is fully improved, the production cost is reduced, the repeated utilization of soil, fertilizer, water, materials and the like is realized, and the production links of corn are reduced. Not only improves the survival rate and commodity rate of the cultivation of the flower and shrub, but also improves the comprehensive income of the land.
The invention is realized by the following steps:
a method of growing flower shrubs in a film covered corn field comprising: carrying out drill seeding and seedling raising on the flower shrub seeds in the field; planting corn under a mulching film in the other land, irrigating in a drip irrigation mode under the film during the growth period of the corn, topdressing, and harvesting after the corn is mature; leveling corn stalks, wherein the height of the stubble is 8-10 cm;
transplanting flower shrubs to corn fields for bed changing in autumn or spring of the second year until the growth cycle of the second year is finished;
and (4) stumping flowers and shrubs of the corn field in spring of the third year, wherein the stumping height is 5-6cm, and performing daily management until the growth cycle is finished.
In the preferred embodiment of the application of the invention, the frequency of top application is 2-10, and the frequency of drip irrigation under the film is 4-10; the top dressing time is the top dressing in key periods such as the corn seedling period (6-8 leaves), the jointing period, the heading period, the filling period and the like, and the more times, the higher the corn yield. Similarly, for the flower and shrub changed bed under the film, the more sufficient the nutrients needed in the later period.
In an alternative embodiment, the number of topdressing is 3-5 and the number of drip irrigation under the film is 8. For example, dressing 3, 4 or 5 times.
In a preferred embodiment of the application of the invention, before the corn is planted in another field under the mulching film, the base fertilizer is applied, and then the corn is sowed under the mulching film, and the row spacing is controlled to be 25-30cm by 25-30 cm. Sufficient base fertilizer can improve the yield of the corn.
In a preferred embodiment of the application of the invention, the base fertilizer is selected from at least one of the following fertilizers: urea, ammonium nitrate and potassium sulphate.
In an alternative embodiment, a substrate fertilizer comprises: urea, ammonium nitrate and potassium sulfate, wherein the mass ratio of the urea to the ammonium nitrate to the potassium sulfate applied to each mu of land is 10-15: 8-20: 5-20; preferably, the effective component of potassium sulfate is 50-52%.
Preferably, the urea, ammonium nitrate and potassium sulfate are applied at 10-15kg, 8-20kg and 5-20kg, respectively, per mu of land.
In a preferred embodiment of the application of the invention, the top dressing is at least one selected from the following fertilizers: urea, ammonium nitrate, trace elements and bacterial manure.
In a preferred embodiment of the application of the invention, the micro-fertilizer is a copper fertilizer, a boron fertilizer, a molybdenum fertilizer, a manganese fertilizer, an iron fertilizer, a zinc fertilizer, a potassium fertilizer, a magnesium fertilizer or a fertilizer in the form of an inorganic salt thereof. Fertilizers in the form of inorganic salts are for example selected from: copper sulfate, zinc sulfate or magnesium potassium sulfate.
In a preferred embodiment of the application of the invention, the micro-fertilizer is zinc sulfate or potassium magnesium sulfate, and the bacterial fertilizer is a microbial fertilizer.
In a preferred embodiment of the application of the invention, the top dressing comprises urea, ammonium nitrate, trace elements and bacterial manure, and the mass ratio of the urea to the ammonium nitrate to the trace elements to the bacterial manure is 10-15: 15-20: 1.5-2: 1.5-2. Under the condition of the dosage ratio of the additional fertilizer, the higher corn yield can be realized.
In an alternative embodiment, the urea, ammonium nitrate, micro-fertilizer and bacterial manure are applied at 10-15kg, 15-20kg, 1.5-2kg and 1.5-2kg per acre of land, respectively.
In the preferred embodiment of the invention, the time of the field drill seedling of the flower shrub seeds is 3-4 months, and the flower shrubs comprise at least one of the following plants: clove, weeping forsythia, red yellow thorn rose, mallow, Caryopteris incana, Chinese holly, red daphne, lilac, sambucus williamsii, ligustrum japonicum, bellows fruit, yellow daphne, red snow fruit, Callicarpa, lilac, juneberry, hibiscus rosa, crape myrtle, cercis, pearly plum, China rose, rosa, sasanqua, forsythia, honeysuckle, prunus persica, green leaf flowering peach, elm, meiren mei, prunus cerasifera, malus micromalus, malus prunus, malus halliana, calamus, cotinus perygiensis, malus lingeriana, malus rubicuneata, calophyllanthus communis, syphilippine, gardenia, chinese lady, ramulus et folium kadsurae, euonymi, euonymus japonicus, syphilippine tree twig, twig of chinese ladyberry, twig of litsea tree, twig of litsea tree, euonymus.
In a preferred embodiment of the application of the invention, the shrubs can be parturied when the growth height of the shrubs reaches 110-120cm and the branches are 4-5 in the third year.
The invention has the following beneficial effects:
the invention can realize the reutilization of soil, water, fertilizer and materials of the corn field by planting flower shrubs in the corn field coated with the film. The corn roots are free from tillage by means of stumping the corn stalks, and available humic organic fertilizer is provided for growth of flower shrubs in the second and third years. The mulching film of the corn planting field can be reused by changing the bed of the flower and shrub film to the corn field, and meanwhile, the cost of the mulching film is reduced, thereby being beneficial to promoting the high-efficiency industrial development of the integrated agriculture and forestry. The method not only improves the survival rate and commodity rate of the cultivation of the flowers and shrubs, but also improves the comprehensive income of the land.
Detailed Description
Reference will now be made in detail to embodiments of the invention, one or more examples of which are described below. Each example is provided by way of explanation, not limitation, of the invention. In fact, it will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the scope or spirit of the invention. For instance, features illustrated or described as part of one embodiment, can be used on another embodiment to yield a still further embodiment.
The invention provides a method for planting flowers and shrubs in a film-covered corn field, which comprises the following steps: carrying out drill seeding and seedling raising on the flower shrub seeds in the field; planting corn under a mulching film in the other land, irrigating in a drip irrigation mode under the film during the growth period of the corn, topdressing, and harvesting after the corn is mature; leveling corn stalks, wherein the height of the stubble is 8-10 cm;
transplanting flower shrubs to corn fields for bed changing in autumn or spring of the second year until the growth cycle of the second year is finished;
and (4) stumping flowers and shrubs of the corn field in spring of the third year, wherein the stumping height is 5-6cm, and performing daily management until the growth cycle is finished.
After the corns are planted and harvested, the applied micro-fertilizer and bacterial fertilizer can be reused for flowers and shrubs. The mode of leveling the corn stalks and no tillage of the corn roots provides a utilizable organic fertilizer for the growth of the flower shrubs in the second and third years. The mulching film of the corn planting field can be reused by changing the bed of the flower and shrub film to the corn field, and meanwhile, the cost of the mulching film is reduced, thereby being beneficial to promoting the high-efficiency industrial development of the integrated agriculture and forestry.
In an alternative embodiment, the corn is sowed by manual dibbling, and the sowing amount per mu is 2-2.5 kg.
The method provided by the invention can be used for breeding the flower shrubs by fully utilizing the soil, water, fertilizer and materials for planting the corn field, the seedling cost of the flower shrubs is reduced, the survival rate and commodity rate of the cultivation of the flower shrubs are improved, the comprehensive income of the land is also improved, and the method has good industrial development prospect.
In the preferred embodiment of the application of the invention, the frequency of top dressing is 2-10 times, and the frequency of drip irrigation under the film is 4-10 times; the top dressing time is the top dressing in key periods such as the corn seedling period (6-8 leaves), the jointing period, the heading period, the filling period and the like, and the more times, the higher the corn yield. Similarly, for the flower and shrub changed bed under the film, the more sufficient the nutrients needed in the later period.
In an alternative embodiment, the number of topdressing is 3-5 and the number of drip irrigation under the film is 8. For example, dressing 3, 4 or 5 times.
In the preferred embodiment of the invention, before the corn is planted under the mulching film in another plot, the basal fertilizer is applied, and then the corn is sowed by covering the mulching film, and the row spacing is controlled to be 25-30cm by 25-30 cm. Sufficient base fertilizer can improve the yield of the corn.
In a preferred embodiment of the application of the invention, the base fertilizer is selected from at least one of the following fertilizers: urea, ammonium nitrate and potassium sulfate.
In an alternative embodiment, a substrate fertilizer comprises: urea, ammonium nitrate and potassium sulfate, wherein the mass ratio of the urea to the ammonium nitrate to the potassium sulfate applied to each mu of land is 10-15: 8-20: 5-20 parts of; preferably, the effective component of potassium sulfate is 50-52%.
The inventor finds that the yield of the corn can be kept at a higher level under the base fertilizer with the proportion.
Preferably, the urea, ammonium nitrate and potassium sulfate are applied at 10-15kg, 8-20kg and 5-20kg, respectively, per mu of land.
In a preferred embodiment of the application of the invention, the top dressing is selected from at least one of the following fertilizers: urea, ammonium nitrate, trace elements and bacterial manure.
In a preferred embodiment of the application of the invention, the micro-fertilizer is a copper fertilizer, a boron fertilizer, a molybdenum fertilizer, a manganese fertilizer, an iron fertilizer, a zinc fertilizer, a potassium fertilizer, a magnesium fertilizer or a fertilizer in the form of an inorganic salt thereof. Fertilizers in the form of inorganic salts are for example selected from: copper sulfate, zinc sulfate or potassium magnesium sulfate.
In a preferred embodiment of the application of the invention, the micro-fertilizer is zinc sulfate or potassium magnesium sulfate, and the bacterial fertilizer is a microbial fertilizer.
In a preferred embodiment of the application of the invention, the top dressing comprises urea, ammonium nitrate, trace element fertilizer and bacterial fertilizer, and the mass ratio of the urea to the ammonium nitrate to the trace element fertilizer to the bacterial fertilizer applied per mu of land is 10-15: 15-20: 1.5-2: 1.5-2. Under the condition of the dosage ratio of the additional fertilizer, the higher corn yield can be realized.
In an alternative embodiment, the urea, ammonium nitrate, micro-fertilizer and bacterial manure are applied at 10-15kg, 15-20kg, 1.5-2kg and 1.5-2kg per acre of land, respectively.
In the preferred embodiment of the invention, the time of the field drill seedling of the flower shrub seeds is 3-4 months, and the flower shrubs comprise at least one of the following plants: clove, weeping forsythia, red yellow thorn rose, mallow, Caryopteris incana, Chinese holly, red daphne, lilac, sambucus williamsii, ligustrum japonicum, bellows fruit, yellow daphne, red snow fruit, Callicarpa, lilac, juneberry, hibiscus rosa, crape myrtle, cercis, pearly plum, China rose, rosa, sasanqua, forsythia, honeysuckle, prunus persica, green leaf flowering peach, elm, meiren mei, prunus cerasifera, malus micromalus, malus prunus, malus halliana, calamus, cotinus perygiensis, malus lingeriana, malus rubicuneata, calophyllanthus communis, syphilippine, gardenia, chinese lady, ramulus et folium kadsurae, euonymi, euonymus japonicus, syphilippine tree twig, twig of chinese ladyberry, twig of litsea tree, twig of litsea tree, euonymus.
In the preferred embodiment of the invention, the flower and shrub can be outplanted in the third year when the growth height of the flower and shrub reaches 110-120cm and the branches are 4-5.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below. The examples, in which specific conditions are not specified, were conducted under conventional conditions or conditions recommended by the manufacturer. The reagents or instruments used are not indicated by the manufacturer, and are all conventional products available commercially.
The features and properties of the present invention are described in further detail below with reference to examples.
Example 1
The embodiment provides a method for planting flower and shrub in a film-covered corn field, which comprises the following steps:
(1) sowing and raising seedlings in field.
And 4, collecting the clove, the forsythia and the rose hip shrub seeds with plump buds and no diseases and insect pests for field drilling seedling culture.
(2) And (3) leveling the land after the drip irrigation pipes are arranged, applying base fertilizer, then covering a mulching film to sow corns, wherein the row spacing of the corn is 30 x 30cm, irrigating for 8 times in a drip irrigation mode under the film during the growth period of the corns, topdressing for multiple times, and harvesting after the corns are mature.
During the period, the influence of different fertilizer amounts, whether topdressing is carried out or not and the number of topdressing times on the corn yield is crucial, and experiments prove that topdressing is carried out in key periods such as a corn seedling period (6-8 leaves), a jointing period, a heading period, a pollination period and the like on the premise of applying enough base fertilizer, the more times, the higher the corn yield. Similarly, for the flower and shrub changed bed under the film, the more sufficient the nutrients needed in the later period.
The base fertilizer in this example is urea, ammonium nitrate and potassium sulfate (the effective component is 52%), in this example, the amount of urea, ammonium nitrate and potassium sulfate applied per acre is 10kg, 8kg and 5kg, respectively, and the amount of urea, ammonium nitrate, trace fertilizer and bacterial fertilizer applied per acre is 10kg, 15kg, 1.5kg and 1.5kg, respectively. The frequency of topdressing is 2 times.
(3) After harvesting the corn, the corn stalks are cleaned in a stubble leveling operation mode under the condition that mulching films are not damaged, the stubble height is 10cm, and the daily maintenance management of the nursery land is finished until the current growth period is finished.
(4) Transplanting partial flower shrubs in the nursery land to a corn land for bed changing in autumn of the current year or spring of the next year, wherein the row spacing of the transplanted shrubs is 30cm, and then managing the shrubs through daily maintenance until the growth cycle of the next year is finished.
(5) Stumping the flower shrubs in spring in the third year, wherein the stumping height is 5-6cm, then continuing to perform daily management until the growth cycle is finished, the growth height of the flower shrubs reaches 110-120cm, and taking out the flower shrubs when the flower shrubs branch 4-5.
Example 2
The difference from the example 1 is only that 11kg, 9kg and 7kg of urea, ammonium nitrate and potassium sulfate are applied to each acre of land, and 12kg, 17kg, 1.8kg and 1.8kg of urea, ammonium nitrate, trace fertilizer and bacterial manure are applied to each acre of land. The frequency of topdressing was 3 times. The rest steps are the same.
Example 3
The difference from the example 1 is only that in the present example, 15kg, 10kg and 8kg of urea, ammonium nitrate and potassium sulfate are applied per acre of land, and 15kg, 20kg, 2kg and 2kg of urea, ammonium nitrate, trace fertilizer and bacterial manure are applied per acre of land. The frequency of topdressing is 5 times. The rest steps are the same.
Example 4
The difference from example 1 is only that the number of topdressing was 4.
Example 5
The difference from example 2 is only that the number of topdressing was 4.
Example 6
The difference from example 3 is only that the number of topdressing was 4.
Example 7
The difference from example 3 is only that the number of topdressing was 2.
Example 8
The difference from example 3 is only that the number of top dressing times was 3.
Comparative example 1
The difference from example 1 is only that in this example, 15kg, 20kg and 20kg of urea, ammonium nitrate and potassium sulfate were applied per acre of land, respectively, without additional application. The rest steps are the same.
Table 1 (table 4) shows the comparison of the effect of different fertilizer dosages and topdressing times on the corn yield (flower and shrub growth), so that it can be preliminarily determined that the more the dosages of the base fertilizer and the topdressing are, the higher the times is, the higher the yield (growth amount) is. Table 2 (table 5) shows the comparison of the effect of different fertilizer dosages and the same topdressing frequency on the corn yield (flower and shrub growth), and table 2 shows that the more the dosages of the base fertilizer and the topdressing are, the higher the corn yield (flower and shrub growth) is under the same topdressing frequency. Table 3 (table 6) shows that the higher the number of topdressing times, the higher the corn yield (flower and shrub growth) for the same fertilizer amount.
TABLE 1 comparison of the effects of different fertilizer dosages and topdressing times on corn yield
TABLE 2 comparison of the effects of different fertilizer dosages and the same topdressing times on corn yield
TABLE 3 comparison of the effects of the same fertilizer dosage and different topdressing times on corn yield
TABLE 4 comparison of the effects of different fertilizer dosages and topdressing times on the growth of flowering shrubs
TABLE 5 comparison of the influence of different fertilizer dosages and the same topdressing times on the growth of flowering shrubs
TABLE 6 comparison of the effects of the same fertilizer dosage and different topdressing times on the growth of flowering shrubs
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A method for planting flower shrubs in a film-covered corn field is characterized by comprising the following steps: performing field drill seeding on the flower shrub seeds; planting corn under a mulching film in the other land, irrigating in a drip irrigation mode under the film during the growth of the corn, topdressing, and harvesting after the corn is mature; leveling corn stalks, wherein the height of the stubble is 8-10 cm;
transplanting flower shrubs to corn fields for bed changing in autumn or spring of the second year until the growth cycle of the second year is finished;
and (4) stumping flowers and shrubs of the corn field in spring of the third year, wherein the stumping height is 5-6cm, and performing daily management until the growth cycle is finished.
2. The method according to claim 1, characterized in that the number of topdressing is 2-10, the number of drip irrigation under film is 4-10;
preferably, the frequency of the top dressing is 3-5 times, and the frequency of the drip irrigation under the film is 8 times;
preferably, the time of the top dressing is the corn seedling stage, the jointing stage, the heading stage and the grouting stage.
3. The method of claim 1, wherein before the corn under the mulch is planted in another plot, the base fertilizer is applied and the corn is sown after the mulch is applied, and the row spacing is controlled to be 25-30cm by 25-30 cm.
4. The method of claim 3, wherein the base fertilizer is selected from at least one of the following fertilizers: urea, ammonium nitrate and potassium sulfate;
preferably, the base fertilizer comprises: urea, ammonium nitrate and potassium sulfate, wherein the mass ratio of the urea to the ammonium nitrate to the potassium sulfate applied to each mu of land is 10-15: 8-20: 5-20 parts of; preferably, the effective component of the potassium sulfate is 50-52%;
preferably, the urea, ammonium nitrate and potassium sulfate are applied at 10-15kg, 8-20kg and 5-20kg, respectively, per mu of land.
5. The method of claim 1, wherein the top dressing is selected from at least one of the following fertilizers: urea, ammonium nitrate, trace elements and bacterial manure.
6. The method according to claim 5, wherein the micro-fertilizer is a copper fertilizer, a boron fertilizer, a molybdenum fertilizer, a manganese fertilizer, an iron fertilizer, a zinc fertilizer, a potassium fertilizer, a magnesium fertilizer or a fertilizer in the form of an inorganic salt thereof.
7. The method of claim 6, wherein the micro-fertilizer is zinc sulfate or potassium magnesium sulfate and the bacterial fertilizer is a microbial fertilizer.
8. The method according to claim 5, wherein the top dressing comprises urea, ammonium nitrate, trace elements and bacterial manure, and the mass ratio of the urea to the ammonium nitrate to the trace elements to the bacterial manure is 10-15: 15-20: 1.5-2: 1.5-2;
preferably, the urea, the ammonium nitrate, the micro-fertilizer and the bacterial manure are respectively 10-15kg, 15-20kg, 1.5-2kg and 1.5-2kg applied to each mu of land.
9. The method as claimed in claim 1, wherein the time of field drill seedling of the seeds of flower shrubs selected from at least one of the following plants is 3-4 months: flos Caryophylli, fructus forsythiae, HONGHUANGDAI, ramulus Buxi Sinicae, ramulus Euonymi, fructus Gardeniae, fructus Mali Pumilae, flos Rosae Laevigatae, fructus Punicae Granati, Hibiscus rosa-sinensis, Cercis chinensis, flos Rosae Rugosae, and flos Rosae Multiflorae.
10. The method as claimed in claim 1, wherein the shrub grows up to 120cm in height for the third year, and the nursery can be released after 4-5 branches.
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