CN116058223A - Planting method for reducing occurrence of pineapple black heart disease and water heart disease - Google Patents
Planting method for reducing occurrence of pineapple black heart disease and water heart disease Download PDFInfo
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- 235000007119 Ananas comosus Nutrition 0.000 title claims abstract description 99
- 208000019622 heart disease Diseases 0.000 title claims abstract description 46
- 238000000034 method Methods 0.000 title claims abstract description 40
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 244000099147 Ananas comosus Species 0.000 title 1
- 241000234671 Ananas Species 0.000 claims abstract description 106
- 239000003337 fertilizer Substances 0.000 claims abstract description 39
- 235000013399 edible fruits Nutrition 0.000 claims abstract description 36
- 239000002689 soil Substances 0.000 claims abstract description 20
- 239000011248 coating agent Substances 0.000 claims abstract description 3
- 238000000576 coating method Methods 0.000 claims abstract description 3
- KMQAPZBMEMMKSS-UHFFFAOYSA-K calcium;magnesium;phosphate Chemical compound [Mg+2].[Ca+2].[O-]P([O-])([O-])=O KMQAPZBMEMMKSS-UHFFFAOYSA-K 0.000 claims description 14
- 239000003895 organic fertilizer Substances 0.000 claims description 9
- 239000003814 drug Substances 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 7
- 230000012010 growth Effects 0.000 claims description 5
- 235000016709 nutrition Nutrition 0.000 claims description 5
- 238000002360 preparation method Methods 0.000 claims description 3
- 238000004659 sterilization and disinfection Methods 0.000 claims 1
- 201000010099 disease Diseases 0.000 abstract description 6
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 abstract description 6
- 230000009105 vegetative growth Effects 0.000 abstract 1
- 230000000052 comparative effect Effects 0.000 description 9
- 239000003085 diluting agent Substances 0.000 description 9
- 239000000047 product Substances 0.000 description 8
- UDPGUMQDCGORJQ-UHFFFAOYSA-N (2-chloroethyl)phosphonic acid Chemical compound OP(O)(=O)CCCl UDPGUMQDCGORJQ-UHFFFAOYSA-N 0.000 description 6
- 239000005976 Ethephon Substances 0.000 description 6
- 238000002791 soaking Methods 0.000 description 5
- 239000013065 commercial product Substances 0.000 description 4
- 239000002552 dosage form Substances 0.000 description 4
- 239000002985 plastic film Substances 0.000 description 4
- 229920006255 plastic film Polymers 0.000 description 4
- 230000005070 ripening Effects 0.000 description 4
- 230000001954 sterilising effect Effects 0.000 description 4
- 238000005728 strengthening Methods 0.000 description 4
- 239000005869 Pyraclostrobin Substances 0.000 description 3
- 239000005931 Spirotetramat Substances 0.000 description 3
- 229940079593 drug Drugs 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000004720 fertilization Effects 0.000 description 3
- 230000004345 fruit ripening Effects 0.000 description 3
- 238000003306 harvesting Methods 0.000 description 3
- HZRSNVGNWUDEFX-UHFFFAOYSA-N pyraclostrobin Chemical compound COC(=O)N(OC)C1=CC=CC=C1COC1=NN(C=2C=CC(Cl)=CC=2)C=C1 HZRSNVGNWUDEFX-UHFFFAOYSA-N 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- CLSVJBIHYWPGQY-GGYDESQDSA-N spirotetramat Chemical compound CCOC(=O)OC1=C(C=2C(=CC=C(C)C=2)C)C(=O)N[C@@]11CC[C@H](OC)CC1 CLSVJBIHYWPGQY-GGYDESQDSA-N 0.000 description 3
- 239000000375 suspending agent Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000005980 Gibberellic acid Substances 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- IXORZMNAPKEEDV-UHFFFAOYSA-N gibberellic acid GA3 Natural products OC(=O)C1C2(C3)CC(=C)C3(O)CCC2C2(C=CC3O)C1C3(C)C(=O)O2 IXORZMNAPKEEDV-UHFFFAOYSA-N 0.000 description 2
- IXORZMNAPKEEDV-OBDJNFEBSA-N gibberellin A3 Chemical compound C([C@@]1(O)C(=C)C[C@@]2(C1)[C@H]1C(O)=O)C[C@H]2[C@]2(C=C[C@@H]3O)[C@H]1[C@]3(C)C(=O)O2 IXORZMNAPKEEDV-OBDJNFEBSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052939 potassium sulfate Inorganic materials 0.000 description 2
- -1 potassium sulfate compound Chemical class 0.000 description 2
- 235000011151 potassium sulphates Nutrition 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 230000037072 sun protection Effects 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
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- 241000736199 Paeonia Species 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 235000014443 Pyrus communis Nutrition 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000004495 emulsifiable concentrate Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 230000008635 plant growth Effects 0.000 description 1
- 150000003112 potassium compounds Chemical class 0.000 description 1
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical class [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
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- 238000003860 storage Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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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
- 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
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Soil Sciences (AREA)
- Botany (AREA)
- Fertilizers (AREA)
- Cultivation Of Plants (AREA)
Abstract
The invention discloses a planting method for reducing occurrence of pineapple black heart disease and water heart disease. The planting method comprises the following steps: selecting the optimal field planting period of the nursery stock according to the marketing period of the planted pineapple fruits and combining the length of the pineapple vegetative growth period and the fruiting period; preparing soil and ridging in the selected field planting period, ditching in the middle of the ridging, applying fertilizer, backfilling soil to form a ridging surface, and then coating a film to cultivate pineapple. The planting method can simultaneously reduce two physiological diseases of pineapple black heart disease and water heart disease, is simple, is easy to operate, and has extremely high popularization and utilization values.
Description
Technical Field
The invention belongs to the technical field of agricultural planting, and particularly relates to a planting method for reducing occurrence of pineapple black heart disease and water heart disease.
Background
Pineapple (Ananas comosus.) is also called pineapple, wangli pear, belonging to genus Paeonia of family pineapple, and is one of the main cultivated fruits in the southern subtropical region, and the pineapple producing region in China is a main producing region centered on Hainan producing region and Lei Zhou, and a non-main producing region represented by Guangxi, yunnan, fujian and Guangdong regions. The main varieties of pineapple planted in China are Bali, tainong 16, tainong 17, and Kaine. In recent years, due to the continuous expansion of planting area and long-term extensive cultivation management, various diseases in the pineapple planting process are continuously aggravated, and the yield and quality of the pineapple are directly or indirectly affected, so that the development of the pineapple industry in the south Asia area is not facilitated.
Wherein, pineapple black heart disease and water heart disease are common physiological diseases in production, and occur frequently in main areas of pineapple in China, especially in the production of 'Bali' pineapple. How to effectively reduce the occurrence of pineapple black heart disease and water heart disease becomes the most concerned problem of pineapple researchers and pineapple farmers.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems in the prior art described above. Therefore, the invention provides a planting method for reducing the occurrence of pineapple's black heart disease and water-borne heart disease, which can reduce the occurrence of two physiological diseases of pineapple's black heart disease and water-borne heart disease to a large extent.
The method adopted by the invention is as follows:
selecting the optimal field planting period of pineapple seedlings according to the marketing period of the planted pineapple fruits and the length of the nutritional growth period and the fruiting period of the pineapple; preparing soil and ridging in the selected field planting period, ditching in the middle of the ridging, applying fertilizer, backfilling soil, and film-covering to cultivate pineapple after forming a ridging surface.
In some embodiments of the invention, the planted pineapple is a Bali variety.
In some embodiments of the invention, the width of the soil preparation and ridging furrow is 80-90 cm, and a furrow is left between the furrow and the furrow.
In some embodiments of the invention, the furrow width of the remained furrow between the furrows is 55-65 cm.
In some embodiments of the invention, the furrow width of the furrow left between the furrows is 60 cm.
In some embodiments of the invention, the furrows are 55-65 cm wide and 20-25 cm deep in the middle of the furrow.
In some embodiments of the invention, the fertilizer consists of a bio-organic fertilizer, a ternary high-potassium compound fertilizer, and a calcium magnesium phosphate fertilizer.
In some specific embodiments of the invention, the bio-organic fertilizer is a commercial product, the effective viable count is more than or equal to 0.8 hundred million/g, and the organic matter is more than or equal to 40%.
In some embodiments of the invention, the ternary high-potassium compound fertilizer is a commercial product, and is specifically known as a potassium sulfate compound fertilizer 15-15-15, wherein the total nutrient is N+P 2 O 5 +K 2 O≥45％。
In some embodiments of the invention, the calcium magnesium phosphate fertilizer is a commercial product, and the specific trade name is calcium magnesium phosphate fertilizer (first grade product), and the active ingredient is P 2 O 5 ≥15％，K 2 O≥1％。
In some embodiments of the invention, the fertilizer is applied by: 1000-1500 kg of bio-organic fertilizer, 50-150 kg of ternary high-potassium compound fertilizer and 150-250 kg of calcium magnesium phosphate fertilizer are applied per mu in spring or autumn every year.
In some embodiments of the invention, the backfilled soil forms a planting bed surface having a height of 20-30 cm above the ground.
In some embodiments of the invention, the film covering method is to cover the whole furrow surface with a black-white double-sided film and cover the periphery of the film with a soil edge.
In some embodiments of the present invention, the method of coating is: the winter is covered by white gauze, the pineapple fruits are wrapped by black gauze in summer to prevent sun-drying, the width of the black-white two-sided mulching film is 135 cm, and the periphery of the mulching film is covered by soil edge pressing.
In some embodiments of the invention, in the cultivation of pineapple, 35 cm or more of pineapple bud-sucking seedlings are selected for planting.
In some embodiments of the invention, 35 cm pineapple bud-sucking seedlings are selected for planting in the cultivated pineapple.
In some embodiments of the invention, the pineapple bud-sucking seedlings need to be sun-cured for 15 days or more before planting.
In some embodiments of the invention, the pineapple bud-sucking seedlings need to be sun-cured for 15 days before planting.
In some embodiments of the invention, before the pineapple is planted, the base of the pineapple seedling is soaked and disinfected for 5-8 minutes by using the liquid medicine, and the pineapple seedling is planted after the liquid medicine is dried.
In some embodiments of the present invention, the steps of soaking and sterilizing are to prepare a diluent with 25% pyraclostrobin (in the form of emulsifiable concentrate) and 1000-2000 times of water, and to prepare a diluent with 30% spirotetramat (in the form of suspending agent) and 4000-5000 times of water, and the two diluents are mixed according to a ratio of 1:1, soaking the seedling base for 5-8 minutes, wherein two liquid medicines used for soaking and sterilizing are all commercial products.
In some embodiments of the invention, the pineapple is planted in double rows.
In some embodiments of the invention, after the pineapple plants are planted, flower forcing may begin after 10 months or more of pineapple plant growth.
In some embodiments of the invention, after the pineapple is planted, flower forcing may begin after the pineapple plants grow for 10 to 12 months.
In some embodiments of the invention, the pineapple is planted without fruit strengthening and ripening, and the fruit naturally grows to ripen.
The beneficial effects of the invention are as follows:
the planting method can simultaneously reduce two physiological diseases of pineapple black heart disease and water heart disease, does not need to be prevented and controlled by spraying foliar fertilizer, is simple, is easy to operate, and has extremely high popularization and utilization values.
Drawings
The invention is further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a graph showing the effect of pineapple planting in example 1 of the present invention;
FIG. 2 is a diagram showing the pineapple fruit planted in example 1 of the present invention after standing for 12 days in a natural environment;
FIG. 3 is a diagram showing the pineapple fruit planted in the comparative example of the present invention after being left to stand for 12 days in a natural environment.
Detailed Description
The conception and the technical effects produced by the present invention will be clearly and completely described in conjunction with the embodiments below to fully understand the objects, features and effects of the present invention. The raw materials used in the following examples and comparative examples are commercially available from conventional sources unless otherwise specified. It is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments, and that other embodiments obtained by those skilled in the art without inventive effort are within the scope of the present invention based on the embodiments of the present invention.
Example 1
The embodiment is a specific process of a planting method for reducing occurrence of pineapple black heart disease and water heart disease, and the planting steps are as follows:
1. according to the marketing period of pineapple fruits of Bali variety, the optimal planting period of pineapple seedlings is selected by combining the length of the nutritional growth period and the fruiting period of pineapple, and the embodiment selects 10 months to prepare for planting.
2. And (3) preparing soil and ridging in the selected field planting period, wherein the width of the ridging is 85 cm, and a ditch is reserved between the ridging and the ridging, and the ditch width is 60 cm.
3. Ditching is carried out in the middle of the furrow, the width is 65 cm, and the depth is 20 cm.
4. Applying 1250 kg of bio-organic fertilizer, 100 kg of ternary high-potassium compound fertilizer and 200 kg of calcium magnesium phosphate fertilizer in the ditch once per mu in 10 months in autumn in the same year; wherein, the biological organic fertilizer, the ternary high-potassium compound fertilizer and the calcium magnesium phosphate fertilizer are all commercial products, the ternary high-potassium compound fertilizer is 15-15-15 of a potassium sulfate compound fertilizer, and the calcium magnesium phosphate fertilizer is a calcium magnesium phosphate fertilizer (first grade product).
5. And backfilling soil after fertilization to form a planting bed surface which is 25 cm higher than the ground.
6. Covering the whole furrow surface with black and white plastic films, and compacting the periphery of the plastic film with soil.
7. In the planting process, white gauze is used for covering winter, black gauze is used for wrapping pineapple fruits in summer for sun protection, and the width of the black-white mulching film is 135 cm.
8. Pineapple seedlings are planted, 35 cm pineapple bud sucking seedlings (15 days after sun-curing) are selected, 25% pyraclostrobin (the dosage form is missible oil) and 1000 times of water are used for preparing a diluent before planting, 30% spirotetramat (the dosage form is suspending agent) and 4000 times of water are used for preparing a diluent, two liquid medicines are all commercial products, and the two diluents are mixed according to the following ratio of 1:1, soaking and sterilizing the base part of the pineapple seedling for 7 minutes, and planting the pineapple in double rows after the pineapple Miao Yaoye is dried.
9. The pineapple plant grows and flower forcing can be started after the pineapple plant grows for 10 to 12 months, the flower forcing is carried out by using ethephon, and 5 kg of water is added into 10 ml of ethephon with the concentration of 40 percent so as to achieve the purposes of orderly and consistent harvest and expected marketing time. The winter fruits generally take 6 to 7 months from flower forcing to fruit ripening, and the summer fruits take 4 to 5 months. Therefore, different producing areas need to be planned to promote flowers according to climate conditions, and the producing period is regulated.
10. After pineapple is planted, the fruits are harvested without strengthening and ripening.
Example 2
The embodiment is a specific process of a planting method for reducing occurrence of pineapple black heart disease and water heart disease, and the planting steps are as follows:
1. according to the marketing period of pineapple fruits of Bali variety, the optimal planting period of pineapple seedlings is selected by combining the length of the nutritional growth period and the fruiting period of pineapple, and the embodiment is selected to prepare planting for 3 months.
2. And (3) preparing soil and ridging in the selected field planting period, wherein the width of the ridging is 80 cm, and a ditch is reserved between the ridging and the ridging, and the ditch width is 55 cm.
3. Ditching is carried out in the middle of the furrow, the width is 55 cm, and the depth is 25 cm.
4. In the spring of the current year, 1000 kg of bio-organic fertilizer, 50 kg of ternary high-potassium compound fertilizer and 150 kg of calcium magnesium phosphate fertilizer are applied in the ditch once per mu, wherein the bio-organic fertilizer, the ternary high-potassium compound fertilizer and the calcium magnesium phosphate fertilizer are all commercial products, the ternary high-potassium compound fertilizer is 15-15-15 of potassium sulfate type compound fertilizer, and the calcium magnesium phosphate fertilizer is calcium magnesium phosphate fertilizer (first class product).
5. And backfilling soil after fertilization to form a planting bed surface which is 20 cm higher than the ground.
6. Covering the whole furrow surface with black and white plastic films, and compacting the periphery of the plastic film with soil.
7. In the planting process, white gauze is used for covering winter, black gauze is used for wrapping pineapple fruits in summer for sun protection, and the width of the black-white mulching film is 135 cm.
8. Pineapple seedlings are planted, 35 cm pineapple bud sucking seedlings (15 days after sun-curing) are selected, 25% pyraclostrobin (the dosage form is missible oil) and 2000 times of water are used for preparing a diluent before planting, 30% spirotetramat (the dosage form is suspending agent) and 5000 times of water are used for preparing a diluent, two liquid medicines are all commercial products, and the two diluents are mixed according to the following ratio of 1:1, soaking and sterilizing the base part of the pineapple seedling for 5 minutes, and planting the pineapple in double rows after the pineapple is dried Miao Yaoye.
9. The pineapple plant grows and flower forcing can be started after the pineapple plant grows for 10 to 12 months, the flower forcing is carried out by using ethephon, and 5 kg of water is added into 10 ml of ethephon with the concentration of 40 percent so as to achieve the purposes of orderly and consistent harvest and expected marketing time. The winter fruits generally take 6 to 7 months from flower forcing to fruit ripening, and the summer fruits take 4 to 5 months. Therefore, different producing areas need to be planned to promote flowers according to climate conditions, and the producing period is regulated.
10. After pineapple is planted, the fruits are harvested without strengthening and ripening.
Comparative example
The comparative example is a specific process of the traditional pineapple planting method, and the planting steps are as follows:
1. according to the marketing period of pineapple fruits of Bali variety, the optimal planting period of pineapple seedlings is selected by combining the length of the nutritional growth period and the fruiting period of pineapple, and the comparative example is selected to be 10 months to prepare for planting.
2. Soil preparation is performed during the selected planting period.
3. 150 kg of the NPK compound fertilizer is applied in the ditch per mu in autumn of the same year for 10 months, and the NPK compound fertilizer is a commercial product.
4. And backfilling soil after fertilization.
5. Pineapple seedlings are planted, 35 cm pineapple bud sucking seedlings (15 days after sun drying) are selected, and double-row planting is performed. After 6 and 8 months of planting, 50 kg of nitrogen, phosphorus and potassium compound fertilizer is added to each mu.
6. The pineapple plant grows and flower forcing can be started after the pineapple plant grows for 10 to 12 months, and the flower forcing ethephon is treated, and 10 milliliters of ethephon with the concentration of 40 percent is added with 5 kilograms of water to achieve the purposes of orderly and consistent harvest and expected marketing time. The winter fruits generally take 6 to 7 months from flower forcing to fruit ripening, and the summer fruits take 4 to 5 months. Therefore, different producing areas need to be planned to promote flowers according to climate conditions, and the producing period is regulated.
7. After the pineapple grows to a small fruit period, the swelling agent is used for strengthening the fruit, and 0.2 g.L of the pineapple is sprayed 15 days after the pineapple is flowers are removed -1 GA of (2) 3 Gibberellic acid aqueous solution and 0.2 g.L of the mixture are sprayed 30 days after flowers are removed -1 Gibberellic acid GA of (A) 3 Aqueous solution and 0.1 g.L -1 The NaA of the Naphthanoacetate is mixed in equal amount, and each time, the Naphthanoacetate is uniformly sprayed with terminal buds and fruit surfaces. Ripening is carried out 1 week before fruit picking, and 6 mL.L is sprayed -1 The ethylene-containing solution is used as a standard for uniformly spraying wet fruit surfaces.
Comparative verification of results of examples and comparative examples
Comparing the planting method of the invention with pineapple fruits planted by the traditional method, the specific method is as follows:
the pineapple fruits obtained in example 1 and comparative example were randomly picked and harvested 20 pieces each, directly cut in half, left standing in natural environment for 12 days, and periodically checked whether the obtained pineapple fruits have a black heart disease or a watery heart disease or not, and corresponding data were recorded.
The occurrence of the picked pineapple fruit black heart disease and the occurrence of the water heart disease are shown in the following table:
table 1 occurrence of black heart disease and watery heart disease after picking pineapple fruits planted by example 1 and comparative example
Pineapple fruits planted by the method of the invention have no occurrence of black heart disease and water heart disease within 12 days after picking, and the incidence rate is 0%; pineapple fruits planted by the traditional method have the occurrence ratio of the black heart disease and the water heart disease of 0% in 1 day after picking, the occurrence ratio of the black heart disease and the water heart disease of 40% in 4 days after picking, the occurrence ratio of the black heart disease and the water heart disease of 90% in 6 days after picking, and the occurrence ratio of the black heart disease and the water heart disease of 100% in 8 days after picking; the pineapple fruit obtained by the two planting methods is kept stand for 12 days in natural environment, and the situation is shown in fig. 2 and 3.
The result shows that the pineapple fruits planted by the method have no obvious occurrence of the black heart disease and the water heart disease in the whole postharvest storage process, and the planting method can be found to be capable of simultaneously reducing the occurrence of two physiological diseases of the black heart disease and the water heart disease of the pineapple.
The above examples are given for the detailed description of the method of the present invention, but the present invention is not limited to the above examples, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present invention. Furthermore, embodiments of the invention and features of the embodiments may be combined with each other without conflict.
Claims (10)
1. A planting method for reducing occurrence of pineapple black heart disease and water heart disease, which is characterized by comprising the following steps:
selecting the optimal field planting period of pineapple seedlings according to the marketing period of the planted pineapple fruits and the length of the nutritional growth period and the fruiting period of the pineapple; preparing soil and ridging in the selected field planting period, ditching in the middle of the ridging, applying fertilizer, backfilling soil to form a ridging surface, and then coating a film to cultivate pineapple.
2. The method according to claim 1, wherein the width of the soil preparation and ridging furrow is 80-90 cm, and a furrow is left between furrow and furrow.
3. The planting method according to claim 2, wherein the furrow width of the remained furrow between the furrows is 55-65 cm.
4. The planting method according to claim 1, wherein the ditches in the middle of the furrow have a width of 55-65 cm and a depth of 20-25 cm.
5. The planting method according to claim 1, wherein the fertilizer consists of a bio-organic fertilizer, a ternary high-potassium compound fertilizer, and a calcium magnesium phosphate fertilizer.
6. The planting method according to claim 5, wherein the fertilizer is applied in the following manner: 1000-1500 kg of bio-organic fertilizer, 50-150 kg of ternary high-potassium compound fertilizer and 150-250 kg of calcium magnesium phosphate fertilizer are applied per mu in spring or autumn every year.
7. The planting method according to claim 1, wherein the backfilled soil forms a planting bed surface having a height of 20-30 cm above the ground.
8. The method according to claim 1, wherein 35 cm or more of pineapple seedling is selected for planting.
9. The planting method according to claim 1, wherein the pineapple seedling base is soaked with the liquid medicine for disinfection for 5-8 minutes before the pineapple is planted, and the pineapple seedling is planted after the liquid medicine is dried.
10. The method of claim 1, wherein the pineapple is planted in a double row.
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