CN114365666A - Method for planting small yellow ginger in walnut forest - Google Patents
Method for planting small yellow ginger in walnut forest Download PDFInfo
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Classifications
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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
- A01G22/25—Root crops, e.g. potatoes, yams, beet or wasabi
-
- 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
-
- 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
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Botany (AREA)
- Soil Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Cultivation Of Plants (AREA)
Abstract
The invention discloses a method for planting Xiaohuangjiang in walnut forest, which realizes intercropping of walnuts and Xiaohuangjiang, wherein the planting time of the Xiaohuangjiang is 3 middle ten days to 4 month end, the harvesting time is 12 months from the beginning to 2 months of the next year, and the growth cycle is eight months. The invention provides a method for planting small yellow ginger in walnut forest, which makes full use of idle land in walnut forest, realizes the economic value of small yellow ginger and improves the land utilization rate.
Description
Technical Field
The invention belongs to the technical field of agricultural planting, and particularly relates to a method for planting turmeric under walnut forests.
Background
The small yellow ginger prefers warm and humid environmental conditions, is not resistant to low-temperature frost, starts to sprout at the temperature of more than 16 ℃, seedlings grow at the proper temperature of 20-25 ℃, stem leaves grow at the proper temperature of 25-28 ℃, and the growth stops at the temperature of below 15 ℃. It is fond of weak light and not resistant to strong light, and under strong light, the leaves are easy to wither, and the requirement for length of sunshine is not strict.
In walnut planting, the walnuts cannot bear fruits and cannot generate benefits within 5-6 years, other crops can be planted below the walnuts within 5-6 years of non-benefit generation, the growth of the walnuts is greatly influenced by planting of long-stalk crops, the production benefit is poor, the planting of common grain crops is influenced by the walnuts, the cultivation is not facilitated, the production cost is increased, and the benefit is low. The small yellow gingers are shady and moist, the walnut trees are luxuriant in branches and leaves in 5 and 6 months, the small yellow gingers need to shade when growing, and the small yellow gingers are protected, so that the small yellow gingers are suitable for being planted in walnut forests, the walnut leaves contain natural herbicide, the walnut leaves cover the surfaces of the small yellow gingers, the weeds can be removed, meanwhile, the diseases and insect pests can be effectively prevented, and the water and soil conservation, the fertilization and the reasonable development and utilization of the small yellow gingers of the walnut forests are facilitated.
Disclosure of Invention
Aiming at the technical defects, the invention aims to provide a method for planting the small yellow ginger in the walnut forest, which makes full use of the walnut forest land, realizes intercropping planting of the small yellow ginger and the walnut, and improves the utilization rate of the walnut forest land.
The invention aims to realize the method for planting the small yellow ginger in the walnut forest by adopting the technical scheme, realizes the intercropping planting of the small yellow ginger and the walnut, and is characterized in that:
arranging stubble gaps: planting time: the planting time of the small yellow gingers is 3 to 4 months, and the high-yield planting time cannot be later than the valley rain section; the growth cycle is eight months, and the harvesting time of the mature ginger is 12 months from the first to 2 months of the next year;
variety selection: the small yellow ginger is selected from Jingdong small yellow ginger;
planting form: planting the small yellow ginger in the walnut forest in the open air;
1) cultivation mode and season: the small yellow ginger can be used for cleaning seeds and interplanting under walnut forests; the sowing time is 3 ten days to 4 months, and the high-yield planting time cannot be later than the valley rain day;
2) land selection, land preparation and fertilization: performing crop rotation, selecting soil or sandy soil with deep soil layer, fertile, loose and good drainage, and selecting places under walnut forest for planting; applying farmyard manure and applying compound fertilizer as base fertilizer per mu;
3) seed selection and sowing: before sowing, diseased and weak ginger blocks which are mildewed, rotten and shriveled are removed; selecting 30-50 g of ginger blocks with 3-4 strong buds, cutting the large ginger blocks with a knife or opening the large ginger blocks with a hand, and sowing the large ginger blocks after the wound is disinfected by plant ash or lime; spreading the seed ginger for airing for 1-2 days before sowing, then spraying and disinfecting with a pesticide, wherein the seed quantity per mu is 200 kg, and 4000 plus 4500 plants per mu are planted; adopting furrow sowing, wherein the row spacing is 30 cm, the plant spacing is 25 cm, the furrow depth is 20 cm, the width is 4 m per furrow, and four sides are drainage ditches; placing the ginger seeds obliquely after the furrows are dug, arranging buds in one direction, placing 10g of each plant between the ginger seeds after the ginger seeds are arranged and mixed with compound fertilizer and phoxim, and covering soil to completely cover the ginger seeds; after all the plants are planted, covering plants on the upper surface;
4) field management: after the ginger is discharged, the ginger can emerge without watering if the soil is wet, if the soil is dry, water is poured once, but the excessive water is not needed, after the ginger emerges, the ginger is watered at the right moment according to the soil condition and the growth phase of plants, early and late watering is advocated in a high-temperature period, and waterlogging is drained in a rainy season;
5) intertillage and hilling: when the height of the seedlings is 18-22 cm, cultivating and manual weeding are combined to perform ridging, and the additional fertilizer is mainly farmyard manure which is ridged by 3 cm; with the increase of the bud division, fertilizing and cultivating soil once more for each seedling, wherein the cultivation thickness is about the degree of the seedling tip which is not buried, and the total cultivation time is 3-4 times, so that the original planting ditch becomes a ridge;
6) and (3) topdressing for multiple times: the top dressing needs to be carried out for many times, and the fertilizer amount is generally from light to heavy; in the seedling stage, performing primary topdressing when the height of the seedlings is 28-32 cm and the seedlings have 1-2 small branches; in the first topdressing, 20 kilograms of compound fertilizer can be used per mu in the process of aligning seedlings, the compound fertilizer is prepared into 0.5 to 1 percent diluted fertilizer, and a fertilizer spraying mode is adopted; before and after the beginning of autumn, the ginger grass is pulled out for secondary topdressing; the second time of topdressing is mainly carried out when 7 to 8 leaves grow on ginger seedlings, 20 kilograms of 54 percent nitrogen-phosphorus-potassium compound fertilizer is used, and the fertilizer is applied in a spot application mode;
7) harvesting the small yellow gingers: harvesting time: cultivating the small yellow gingers in one season, and harvesting the new gingers, namely the ginger seeds, after the beginning of autumn; the mature gingers in the frost-free area can be harvested from 12 months; and (4) harvesting the old ginger when the stem leaves are withered and yellow before and after frost in frosty areas.
When the small yellow gingers are harvested, overground stems and leaves can be cut off in frostless areas, and the small yellow gingers can be harvested at any time according to needs by covering with a covering material, but the soil humidity is not too high; harvesting in sunny days, selecting thick and solid ginger with no diseases, pests and damages, storing alone, and checking frequently in storage period to pick out diseased and bad ginger.
Diseases often occur in the growth of the small yellow ginger; treating the plots infected with the ginger blast germs by using a soil disinfectant; in the growing period of the small yellow ginger, the soil disinfectant is used for irrigating the medicine once in the field every mu of 20 days, and the method is to dilute the medicine into medicine liquid and irrigate the medicine liquid to the base part of the ginger plant; once diseased plants appear in the field, thoroughly removing soil around the diseased plants, filling holes with a medicament, and disinfecting nearby soil with fresh lime;
the prevention and treatment of ginger blast can be carried out by spraying 78% 300-500 times of ginger blast pesticide solution every 5-7 days for 2-3 times in the seedling stage;
in the early stage of the disease, 600 times of solution or 1: 200 Bordeaux mixture of 75% chlorothalonil wettable powder is sprayed on ginger plants for 7-10 days, and the ginger plants are sprayed for 2-3 times continuously;
in the early stage of disease prevention and control of spot diseases, spraying 1000 times of 50% of compound thiophanate wettable powder or 600 times of 75% chlorothalonil wettable powder in time, and spraying for 2-3 times continuously after 7-10 days;
the antiviral foliar fertilizer is sprayed regularly for controlling anthracnose, and is sprayed for 3 to 4 times continuously once every 10 to 15 days, so that the disease resistance of plants is improved, and the plants grow well but not vigorous and grow steadily;
spraying can be selected at the early stage of the onset of anthracnose: (1) 80% thiram wettable powder of 600-750 times of liquid; (2) 1000 times of solution of 70% thiophanate methyl wettable powder; (3) 40% polysulfide suspension 500 times liquid; spraying for 3-4 times every 8-10 days;
the pesticide pest ginger borer can be sprayed with 52.25 percent of agrilex emulsifiable concentrate, 4.5 percent of beta-cypermethrin emulsifiable concentrate 1500-2000 times and 10 percent of royal jelly emulsifiable concentrate 1000 times, and the pesticide pest ginger borer can be sprayed once in 10 days and continuously sprayed for 2-3 times.
The invention has the beneficial effects that: the idle land under the walnut forest is fully utilized, the economic value of the small turmeric is realized, and the land utilization rate is improved.
Detailed Description
The following will clearly and completely describe the technical solutions of the embodiments of the present invention in conjunction with the contents of the present invention.
The invention aims to realize the method for planting the small yellow ginger in the walnut forest by adopting the technical scheme, realizes the intercropping planting of the small yellow ginger and the walnut,
arranging stubble gaps: planting time: the planting time of the small yellow gingers is 3 to 4 months, and the high-yield planting time cannot be later than the valley rain section; the growth cycle is eight months, and the harvesting time of the mature ginger is 12 months from the first to 2 months of the next year;
variety selection: the small yellow ginger is selected from Jingdong small yellow ginger;
planting form: planting the small yellow ginger in the walnut forest in the open air;
1) cultivation mode and season: the small yellow ginger can be used for cleaning seeds and interplanting under walnut forests; the sowing time is 3 ten days to 4 months, and the high-yield planting time cannot be later than the valley rain day;
2) land selection, land preparation and fertilization: performing crop rotation, selecting soil or sandy soil with deep soil layer, fertile, loose and good drainage, and selecting places under walnut forest for planting; applying farmyard manure and applying compound fertilizer as base fertilizer per mu;
3) seed selection and sowing: before sowing, diseased and weak ginger blocks which are mildewed, rotten and shriveled are removed; selecting 30-50 g of ginger blocks with 3-4 strong buds, cutting the large ginger blocks with a knife or opening the large ginger blocks with a hand, and sowing the large ginger blocks after the wound is disinfected by plant ash or lime; spreading the seed ginger for airing for 1-2 days before sowing, then spraying and disinfecting with a pesticide, wherein the seed quantity per mu is 200 kg, and 4000 plus 4500 plants per mu are planted; adopting furrow sowing, wherein the row spacing is 30 cm, the plant spacing is 25 cm, the furrow depth is 20 cm, the width is 4 m per furrow, and four sides are drainage ditches; placing the ginger seeds obliquely after the furrows are dug, arranging buds in one direction, placing 10g of each plant between the ginger seeds after the ginger seeds are arranged and mixed with compound fertilizer and phoxim, and covering soil to completely cover the ginger seeds; after all the plants are planted, covering plants on the upper surface;
4) field management: after the ginger is discharged, the ginger can emerge without watering if the soil is wet, if the soil is dry, water is poured once, but the excessive water is not needed, after the ginger emerges, the ginger is watered at the right moment according to the soil condition and the growth phase of plants, early and late watering is advocated in a high-temperature period, and waterlogging is drained in a rainy season;
5) intertillage and hilling: when the height of the seedlings is 18-22 cm, cultivating and manual weeding are combined to perform ridging, and the additional fertilizer is mainly farmyard manure which is ridged by 3 cm; with the increase of the bud division, fertilizing and cultivating soil once more for each seedling, wherein the cultivation thickness is about the degree of the seedling tip which is not buried, and the total cultivation time is 3-4 times, so that the original planting ditch becomes a ridge;
6) and (3) topdressing for multiple times: the top dressing needs to be carried out for many times, and the fertilizer amount is generally from light to heavy; in the seedling stage, performing primary topdressing when the height of the seedlings is 28-32 cm and the seedlings have 1-2 small branches; in the first topdressing, 20 kilograms of compound fertilizer can be used per mu in the process of aligning seedlings, the compound fertilizer is prepared into 0.5 to 1 percent diluted fertilizer, and a fertilizer spraying mode is adopted; before and after the beginning of autumn, the ginger grass is pulled out for secondary topdressing; the second time of topdressing is mainly carried out when 7 to 8 leaves grow on ginger seedlings, 20 kilograms of 54 percent nitrogen-phosphorus-potassium compound fertilizer is used, and the fertilizer is applied in a spot application mode;
7) harvesting the small yellow gingers: harvesting time: cultivating the small yellow gingers in one season, and harvesting the new gingers, namely the ginger seeds, after the beginning of autumn; mature ginger in frostless area.
During the growth of the small yellow ginger, diseases such as ginger blast (also called ginger rot), leaf blight, spot disease, anthracnose and the like frequently occur, and pests mainly include ginger borer, so that the small yellow ginger has great influence on the production and is easy to cause yield reduction.
1. The prevention and control of the ginger blast disease are based on agricultural prevention and control, environmental conditions which are not beneficial to disease occurrence are created as much as possible, and the coordination of all links is grasped; the method specifically comprises the following steps: (1) selecting soil texture: ginger land needs to be selected to have loose soil and flat land as much as possible, so that water is not accumulated in the field when the land is irrigated and rainy season is achieved; (2) improving field microclimate: in the seedling stage (before the seedling comes out to the beginning of autumn), plants such as leaves, pine hairs and the like are covered to plant and shade under the walnut forest; (3) performing rotation: can be used for crop rotation of corn, wheat and other grain crops. The small yellow gingers are negative plants, are not resistant to strong light, and need medium-intensity illumination conditions in the early growth stage, so that interplanting of the small yellow gingers in a walnut forest is realized, and the walnut trees are used for shading, so that the working materials can be saved; meanwhile, the walnut leaves can volatilize a sterilizing substance, so that the occurrence of ginger blast can be effectively reduced; (4) mature organic fertilizer: the organic fertilizer used in the field is thoroughly fermented and decomposed, and impurities such as straws infected with the ginger blast or soil are prevented from being doped in the organic fertilizer; preferably, decomposed farmyard manure is used and matched with other fertilizers; (5) prevention: before sowing, seeds are sprayed with bactericide such as carbendazim and the like; treating the plots infected with the ginger blast germs by using a soil disinfectant such as bitter chloride and the like; in the growing period of the small yellow ginger, the pesticide is irrigated once in the field every mu for about 20 days by using the pesticide; the method is to dilute the medicament into liquid medicine and fill the liquid medicine into the base of the ginger plant. The continuity of medicine application is critical, once diseased plants appear in the field, soil around the diseased plants needs to be thoroughly removed, and the holes are filled with medicines; (6) fertilizing and hilling: during field operation, care is taken as much as possible so as to avoid artificial mechanical wounds on the small turmeric plants, prevent germ infection and avoid digging old ginger; (7) strong field management: the drainage of the ginger field is emphasized, the irrigation of the ginger field is strictly controlled, manual irrigation is generally adopted, and the soaking irrigation of the field is strictly forbidden; in deep ditches and high cabins, accumulated water is drained in time after rain, and because ginger plague is mainly infected by water, the water in infected fields is prevented from flowing into ginger fields. Heavy base fertilizer application, light and smart top dressing application, avoiding excessive application of nitrogen fertilizer, and additional application of phosphorus fertilizer, potassium fertilizer and coarse residue fertilizer. After a central diseased plant is found, immediately removing the plant, bringing out the plant together with soil in the pit for treatment, and disinfecting nearby soil by using fresh lime; (8) and (3) preventing and treating by using a medicament: and spraying 78% 300-500 times of the Jiangxianning solution every 5-7 days for 2-3 times in the seedling stage, so that the damage of the Jiangxiang can be effectively controlled.
2. Controlling leaf blight: (1) agricultural measures are as follows: rotation should be carried out for more than 3 years; applying fully decomposed organic fertilizer; (2) and (3) preventing and treating by using a medicament: in the early stage of the disease, 600 times of liquid or 1: 200 Bordeaux mixture of 75% chlorothalonil wettable powder is sprayed on ginger plants for 7-10 days, and the ginger plants are sprayed for 2-3 times continuously;
3. and (3) spot disease prevention and treatment: (1) agricultural measures are as follows: continuous cropping and partial application of nitrogen fertilizer are avoided, and phosphorus-potassium fertilizer and decomposed organic fertilizer are applied additionally; (2) and (3) preventing and treating by using a medicament: at the early stage of disease, spraying 1000 times of liquid of 50% compound thiophanate wettable powder or 600 times of liquid of 75% chlorothalonil wettable powder in time, and spraying for 2-3 times continuously for 7-10 days;
4. controlling anthracnose: (1) the crop rotation is used for changing the stubble, the continuous cropping is avoided, and the high-dry and well-drained land blocks in the terrain are selected to be planted in high ridges. High ridge and deep groove cultivation. The density is proper, the over-dense planting, the continuous cropping and the partial application of nitrogen fertilizer are avoided, the additional application of phosphorus-potassium fertilizer and decomposed organic fertilizer is noticed, and the diseased residues are thoroughly removed when the ginger is harvested; (2) the organic fertilizer, the phosphorus-potassium fertilizer and the micro-fertilizer are applied additionally, so that the partial application and the excessive use of the nitrogen fertilizer are avoided; (3) regularly spraying antiviral foliar fertilizer once every 10-15 days for 3-4 times, improving disease resistance of plants, and ensuring that the plants grow well but not vigorous and grow steadily; (4) and (3) spraying protection: spraying at the early stage of disease incidence: (1) 80% thiram wettable powder of 600-750 times of liquid; (2) 1000 times of solution of 70% thiophanate methyl wettable powder; (3) 40% polysulfide suspension 500 times liquid, etc. Spraying for 3-4 times every 8-10 days;
5. the main insect pests of the gingerworm are controlled: the pesticide composition can be sprayed by using 52.25% of farmlands missible oil, 1500-2000 times of liquid of 4.5% of high-efficiency cypermethrin missible oil and 1000 times of liquid of 10% of Wangxing missible oil once in 10 days and continuously sprayed for 2-3 times, so that the healthy growth of the small yellow ginger is promoted.
When the small yellow gingers are harvested, overground stems and leaves can be cut off in frostless areas, and the small yellow gingers can be harvested at any time according to needs by covering with a covering material, but the soil humidity is not too high; harvesting in sunny days, selecting thick and solid ginger with no diseases, pests and damages, storing alone, and checking frequently in storage period to pick out diseased and bad ginger.
The harvesting requirement of the small yellow ginger is as follows: the small yellow ginger with the quality requirement (no rotten ginger, no regret ginger, soil and impurities), the new ginger and the old ginger are purchased separately; the harvesting can not be carried out in rainy days, and the uniform harvesting in sunny days is selected; the collected small yellow gingers are uniformly packaged by a woven bag.
Harvesting and storing: the humidity of the best environmental condition for storing the ginger is controlled to be more than 85 percent and cannot be too small, otherwise, the ginger blocks are easy to lose water, the quality is influenced, the temperature is kept at a certain constant temperature, about 13 ℃ is generally required, and the change cannot be too large.
Therefore, the scope of the present invention should not be limited to the disclosure of the embodiments, but includes various alternatives and modifications without departing from the scope of the present invention, which is defined by the claims of the present application.
Claims (9)
1. A method for planting small yellow ginger in walnut forest, which realizes intercropping planting of the small yellow ginger and walnut, is characterized in that:
arranging stubble gaps: planting time: the planting time of the small yellow gingers is 3 to 4 months, and the high-yield planting time cannot be later than the valley rain section; the growth cycle is eight months, and the harvesting time of the mature ginger is 12 months from the first to 2 months of the next year;
variety selection: the small yellow ginger is selected from Jingdong small yellow ginger;
planting form: planting the small yellow ginger in the walnut forest in the open air;
1) cultivation mode and season: the small yellow ginger can be used for cleaning seeds and interplanting under walnut forests; the sowing time is 3 ten days to 4 months, and the high-yield planting time cannot be later than the valley rain day;
2) land selection, land preparation and fertilization: performing crop rotation, selecting soil or sandy soil with deep soil layer, fertile, loose and good drainage, and selecting places under walnut forest for planting; applying farmyard manure and applying compound fertilizer as base fertilizer per mu;
3) seed selection and sowing: before sowing, diseased and weak ginger blocks which are mildewed, rotten and shriveled are removed; selecting 30-50 g of ginger blocks with 3-4 strong buds, cutting the large ginger blocks with a knife or opening the large ginger blocks with a hand, and sowing the large ginger blocks after the wound is disinfected by plant ash or lime; spreading the seed ginger for airing for 1-2 days before sowing, then spraying and disinfecting with a pesticide, wherein the seed quantity per mu is 200 kg, and 4000 plus 4500 plants per mu are planted; adopting furrow sowing, wherein the row spacing is 30 cm, the plant spacing is 25 cm, the furrow depth is 20 cm, the width is 4 m per furrow, and four sides are drainage ditches; placing the ginger seeds obliquely after the furrows are dug, arranging buds in one direction, placing 10g of each plant between the ginger seeds after the ginger seeds are arranged and mixed with compound fertilizer and phoxim, and covering soil to completely cover the ginger seeds; after all the plants are planted, covering plants on the upper surface;
4) field management: after the ginger is discharged, the ginger can emerge without watering if the soil is wet, if the soil is dry, water is poured once, but the excessive water is not needed, after the ginger emerges, the ginger is watered at the right moment according to the soil condition and the growth phase of plants, early and late watering is advocated in a high-temperature period, and waterlogging is drained in a rainy season;
5) intertillage and hilling: when the height of the seedlings is 18-22 cm, cultivating and manual weeding are combined to perform ridging, and the additional fertilizer is mainly farmyard manure which is ridged by 3 cm; with the increase of the bud division, fertilizing and cultivating soil once more for each seedling, wherein the cultivation thickness is about the degree of the seedling tip which is not buried, and the total cultivation time is 3-4 times, so that the original planting ditch becomes a ridge;
6) and (3) topdressing for multiple times: the top dressing needs to be carried out for many times, and the fertilizer amount is generally from light to heavy; in the seedling stage, performing primary topdressing when the height of the seedlings is 28-32 cm and the seedlings have 1-2 small branches; in the first topdressing, 20 kilograms of compound fertilizer can be used per mu in the process of aligning seedlings, the compound fertilizer is prepared into 0.5 to 1 percent diluted fertilizer, and a fertilizer spraying mode is adopted; before and after the beginning of autumn, the ginger grass is pulled out for secondary topdressing; the second time of topdressing is mainly carried out when 7 to 8 leaves grow on ginger seedlings, 20 kilograms of 54 percent nitrogen-phosphorus-potassium compound fertilizer is used, and the fertilizer is applied in a spot application mode;
7) harvesting the small yellow gingers: harvesting time: cultivating the small yellow gingers in one season, and harvesting the new gingers, namely the ginger seeds, after the beginning of autumn; the mature gingers in the frost-free area can be harvested from 12 months; and (4) harvesting the old ginger when the stem leaves are withered and yellow before and after frost in frosty areas.
2. The method for planting the small yellow ginger in the walnut forest according to claim 1, is characterized in that: diseases often occur in the growth of the small yellow ginger; treating the plots infected with the ginger blast germs by using a soil disinfectant; in the growing period of the small yellow ginger, the soil disinfectant is used for irrigating the medicine once in the field every mu of 20 days, and the method is to dilute the medicine into medicine liquid and irrigate the medicine liquid to the base part of the ginger plant; once diseased plants appear in the field, the soil around the diseased plants is thoroughly removed, the holes are filled with medicaments, and the nearby soil is disinfected by fresh lime.
3. The method for planting the small yellow ginger in the walnut forest according to claim 1, is characterized in that: the prevention and treatment of ginger blast can be carried out by spraying 78% ginger blast curing liquid 300-500 times every 5-7 days for 2-3 times in the seedling stage.
4. The method for planting the small yellow ginger in the walnut forest according to claim 1, is characterized in that: in the early stage of the disease, 600 times of liquid or 1: 200 bordeaux liquid of 75% chlorothalonil wettable powder is sprayed on ginger plants for 7-10 days, and the ginger plants are sprayed for 2-3 times continuously.
5. The method for planting the small yellow ginger in the walnut forest according to claim 1, is characterized in that: and (3) spraying 1000 times of 50% of compound thiophanate wettable powder or 600 times of 75% chlorothalonil wettable powder in time at the early stage of disease control, and spraying for 2-3 times continuously after 7-10 days.
6. The method for planting the small yellow ginger in the walnut forest according to claim 1, is characterized in that: the antiviral foliar fertilizer is sprayed regularly for controlling anthracnose, and is sprayed for 3-4 times continuously once every 10-15 days, so that the disease resistance of plants is improved, and the plants grow vigorously and steadily.
7. The method for planting the small yellow ginger in the walnut forest according to claim 1, is characterized in that: spraying can be selected at the early stage of the onset of anthracnose: (1) 80% thiram wettable powder of 600-750 times of liquid; (2) 1000 times of solution of 70% thiophanate methyl wettable powder; (3) 40% polysulfide suspension 500 times liquid; spraying for 3-4 times every 8-10 days.
8. The method for planting the small yellow ginger in the walnut forest according to claim 1, is characterized in that: the pesticide pest ginger borer can be sprayed with 52.25 percent of agrilex emulsifiable concentrate, 4.5 percent of beta-cypermethrin emulsifiable concentrate 1500-2000 times and 10 percent of royal jelly emulsifiable concentrate 1000 times, and the pesticide pest ginger borer can be sprayed once in 10 days and continuously sprayed for 2-3 times.
9. The method for planting the small yellow ginger in the walnut forest according to claim 1, is characterized in that: when the small yellow gingers are harvested, overground stems and leaves can be cut off in frostless areas, and the small yellow gingers can be harvested at any time according to needs by covering with a covering material, but the soil humidity is not too high; harvesting in sunny days, selecting thick and solid ginger with no diseases, pests and damages, storing alone, and checking frequently in storage period to pick out diseased and bad ginger.
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