CN112219635B - Method for interplanting okra in jack fruit - Google Patents
Method for interplanting okra in jack fruit Download PDFInfo
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- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
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- A01G24/10—Growth substrates; Culture media; Apparatus or methods therefor based on or containing inorganic material
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- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
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- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
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Abstract
The invention relates to a method for interplanting okra in jack fruit, which comprises the steps of variety selection, seedling raising, land preparation, base fertilizer application, planting and management, wherein in the land preparation step, jack fruit planting holes are dug according to the planting density of 5-6m of plant spacing and 6-7m of row spacing; setting up okra planting furrows among rows of jack fruit planting holes, setting up 2-3 furrows among each row, wherein the width of the furrow surface is 1-1.2m, and opening okra planting holes according to the okra planting distance of 40-50 cm; in the step of applying the base fertilizer, the jackfruit planting base fertilizer is applied in the jackfruit planting holes according to the use amounts of 20-30kg of selenium-rich organic fertilizer, 1-2kg of nitrogen-phosphorus-potassium compound fertilizer and 0.5-0.8kg of calcium-magnesium phosphate fertilizer per mu; and applying an okra planting base fertilizer on the okra planting furrows according to the dosage of 1000-1500kg of selenium-rich organic fertilizer and 15-25kg of nitrogen-phosphorus-potassium compound fertilizer per mu. According to the invention, the okra is interplanted in the young period of the jack fruit, so that the utilization rate of the orchard can be improved, and the economic benefit of the orchard can be increased.
Description
Technical Field
The invention belongs to the technical field of intercropping and interplanting of forest and fruits and particularly relates to a planting method suitable for interplanting jack fruit and okra.
Background
Jackfruit (Artocarpus heterophyllus lam.) also known as jackfruit and ananas comosus is a typical tropical fruit tree of the genera arborvitae (Artocarpus) of the family Moraceae and is known as "tropical fruit queen" and "lingering in the teeth". Originally produced in south India, the introduction and cultivation of jackfruit in China has a history of more than a thousand years so far, and the jackfruit is planted in tropical and south subtropical regions in China at present. The jackfruit is sweet in taste and strong in fragrance, contains rich sugar, protein and the like, and is high in nutritional value. The fruit can be used for making cake, preserved fruit, crisp slice, beverage, etc. besides raw food, and the immature fruit can be used as ingredient of various dishes; the seeds are rich in starch and can be used as supplement of grains; at present, the production of Chinese jackfruit is mainly distributed in provinces such as Hainan, guangdong, guangxi and Yunnan, and the production is most planted in the areas such as Hainan and Guangdong. In more than 10 years, the production of the jack fruit is rapidly developed, the planting area is increased at a speed of 15 percent per year, large-scale commercial planting appears in a dominant production area, the economic and social benefits are obvious, and a production-processing-selling integrated industrial mode is gradually formed.
Okra (Abelmoschus esculentus l.) is an annual herb plant of the genus okra of the family malvaceae, also called capsicum annuum, carob bean, kidney-tonifying vegetable, and the like, and is widely cultivated in the european and american countries and south-east asia. The okra is a medicinal and edible vegetable with health care value, and the okra is treasure from top to bottom of the whole body, wherein the okra is eaten mainly from a tender pod. The okra tender pods are rich in nutrition and contain crude protein, cellulose, crude fat, calcium, iron, zinc and the like, wherein the content of the crude protein in every 100g of dry matter is up to 21.43g, the content of the cellulose is 9.42g and the content of Vc29.95mg; is considered as "viagra" in the plant kingdom in the United states, has the efficacies of resisting fatigue, enhancing endurance, accelerating blood circulation, preventing chronic gastropathy, enhancing cancer prevention and cancer resistance of human bodies, resisting fatigue and the like, and is a good material for losing weight. Okra fruits contain higher calories and are the first choice of vegetables for athletes in europe, the united states and many african countries. In addition, the okra fruit can be directly sold and can be further processed, such as dried okra fruit, okra vegetable oil and the like. With the pursuit of people for healthy life, the demand of the okra is more and more large, and the economic benefit and the social benefit of the okra planting industry are continuously and prominently achieved.
At present, reports related to jackfruit interplanting are few. The typical planting row spacing of the jack fruit is 5-6 meters, the row spacing is 6-7 meters, and 18-22 plants are planted per mu; the crown of the jackfruit tree at the initial stage of garden building is small, large-area open land is wasted, weeds grow fast, a large amount of warm and light resources and land resources are wasted, the yield is low in the early stage of planting, a large amount of labor force is needed to carry out weeding, pest control, water and soil loss prevention and other management on the orchard, and the planting cost is increased. The okra can be sowed in spring and harvested in summer and harvested in autumn, and can improve the multiple cropping index, improve the physical and chemical structure of the soil and greatly improve the economic benefit of the land in the early stage of planting the jack fruit.
Disclosure of Invention
The invention aims to provide a high-yield and high-efficiency planting method suitable for interplanting okra in jack fruit. Okra is interplanted in the young period of the jack fruit, so that the utilization rate of the orchard is improved, water and soil loss is prevented, weed growth is inhibited, and income in the early period of the orchard is increased; meanwhile, straw returning and soil fertility improvement are realized, and the economic benefit of the orchard is increased.
The invention is realized by the following technical scheme:
a method for interplanting okra with jack fruit comprises the steps of variety selection, seedling raising, land preparation, base fertilizer application, planting and management, wherein in the land preparation step, jack fruit planting holes are dug according to the planting density of 5-6m of plant spacing and 6-7m of row spacing; setting up okra planting furrows among rows of jack fruit planting holes, setting up 2-3 furrows among each row, wherein the width of the furrow surface is 1-1.2m, and opening okra planting holes according to the okra planting distance of 40-50 cm;
in the step of applying the base fertilizer, the jackfruit planting base fertilizer is applied in the jackfruit planting holes according to the use amounts of 20-30kg of selenium-rich organic fertilizer, 1-2kg of nitrogen-phosphorus-potassium compound fertilizer and 0.5-0.8kg of calcium-magnesium phosphate fertilizer per mu; applying okra planting base fertilizer on the okra planting bed according to the dosage of 1000-1500kg selenium-rich organic fertilizer and 15-25kg nitrogen-phosphorus-potassium compound fertilizer per mu;
the selenium-rich organic fertilizer is obtained by composting the following raw materials in parts by weight for 25-35 days: 400-500 parts of cow dung, 200-300 parts of cassava dregs, 100-200 parts of peanut bran, 10-15 parts of calcium superphosphate, 5-8 parts of sodium selenite and 1-2 parts of BTEM (bacterial growth promoting bacteria) live agent.
The following scheme is taken as a further optimized technical scheme:
selecting a variety, namely selecting one of jackfruit No. 12, common jackfruit or Qiongyin No. 1 from the jackfruit variety; the okra variety is selected from one of five fortunes, qingfu, kaliba or yuehai.
The seedling culturing step comprises breeding jackfruit seedlings and okra seedlings, wherein the jackfruit seedlings are grafted seedlings with 2-3 fleabane aged branches and leaves; the okra seedling culture is carried out by adopting a special selenium-rich seedling culture substrate for okra, and the special selenium-rich seedling culture substrate for okra is prepared from the following raw materials in parts by weight: 200-300 parts of peat, 40-60 parts of coconut coir, 60-100 parts of perlite, 60-100 parts of vermiculite, 8-10 parts of calcium nitrate, 5-10 parts of monopotassium phosphate and 1-2 parts of sodium selenite.
In the planting step, the planting time of the jack fruit is 3-4 months in spring; the planting time of the okra is 3-4 months from the bottom of spring.
The management steps comprise weeding, pruning and managing the jackfruit, dressing urea, a nitrogen-phosphorus-potassium compound fertilizer, a selenium-rich organic fertilizer or a calcium-magnesium-phosphate fertilizer on the jackfruit, and dressing monopotassium phosphate or potassium nitrate on the okra.
The invention has the following beneficial effects:
1. by interplanting the okra in the jackfruit, the simultaneous development of short-term crops and long-term crops is realized, the length is combined, resources such as sunlight, moisture, nutrients and the like are fully utilized, the land is fully utilized, the land utilization rate and the land replanting index are improved, a grower can gain in a short time, the harvest of final products is not influenced, and the economic benefit is improved.
2. By interplanting the okra in the jack fruit, the weed removing cost can be effectively reduced, after the okra is harvested, the cut branches can also be covered with the jack fruit to serve as a moisture retention material, and meanwhile, the okra can also serve as a green manure pressing material for the jack fruit in winter, so that local materials are used, and the effects of quality improvement and synergism are realized.
3. The okra is used as a short-term crop, has a shallow root system and mainly absorbs nutrients on the surface layer of soil; the jack fruit is a woody plant and mainly absorbs nutrients of middle and lower layers; effectively improve the utilization rate of soil nutrients.
4. By interplanting the okra, the microclimate of the plantation is improved, the soil humidity is kept, and fruit cracking of the jack fruit in a drought season is reduced.
5. The base fertilizer is a selenium-rich organic fertilizer obtained by composting cow dung, manioc waste, peanut bran, calcium superphosphate and sodium selenite, and the seedling culture substrate of the okra is a selenium-rich substrate, so that the okra and the jack fruit can easily absorb selenium; meanwhile, the branches and the stems of the okra are used as green manure for jack fruit, the selenium absorbed by the branches and the stems of the okra is returned to the soil again, and selenium-rich cultivation is realized, so that a selenium-rich product is obtained, and the product has higher nutritional value and economic value.
Detailed Description
The selenium-rich organic fertilizer used in the embodiment of the invention is obtained by composting the following raw materials in parts by weight for 25-35 days: 500 parts of cow dung, 300 parts of cassava dregs, 200 parts of peanut bran, 10 parts of calcium superphosphate, 8 parts of sodium selenite and 22 parts of BTEM viable bacteria agent.
The selenium-rich seedling culture substrate special for okra, which is used in the embodiment of the invention, is prepared from the following raw materials in parts by weight: 200 parts of peat, 60 parts of coconut chaff, 60 parts of perlite, 100 parts of vermiculite, 8 parts of calcium nitrate, 10 parts of monopotassium phosphate and 2 parts of sodium selenite.
The N-P-K ratio in the nitrogen-phosphorus-potassium compound fertilizer used in the embodiment of the invention is 15; p in calcium magnesium phosphate fertilizer 2 O 5 The content is more than or equal to 18 percent; live BTEM agents are purchased from Komao, inc., of Kunming Pont.
In the field example 1, pineapple honey and okra are interplanted
(1) Land preparation requirement:
selecting a garden with sufficient sunlight, flat terrain and rich soil, digging planting holes in the garden with jackfruit according to the plant spacing of 5-6m and the row spacing of 6-7m in the month before planting, and separately placing surface soil and inner soil for insolation for about one month; before planting, the surface soil and the dead-branch weeds are returned to one third of the planting holes, then, 20kg of selenium-rich organic fertilizer, 2kg of compound fertilizer and 0.8kg of calcium magnesium phosphate fertilizer are uniformly mixed with the inner soil and backfilled according to the application amount per mu, the surface soil is filled in the upper layer, and a soil pile with the ground height of 10cm is made for planting.
Planting okra between jack fruit rows, interplanting 3 ridges between each row in the first year and the second year, and 2 ridges between each row in the third year and the fourth year, wherein the width of each ridge is 1-1.2m; the interval between furrows is 30-40cm, the depth of the furrow is 25-30cm, and the furrows are used as operation lines; digging base fertilizer ditches at one quarter and three quarters of the ridge surface, and applying 1000kg of selenium-rich organic fertilizer and 20kg of compound fertilizer at the depth of 20-30 cm; uniformly mixing the base fertilizer and the soil during ditching, and leveling; then, a mulching film is flatly paved on the surface of the ridge, and the periphery of the ridge is compacted by soil; and (4) opening planting holes on the mulching film on the base fertilizer groove according to the plant spacing of 40-50 cm.
(2) Variety selection:
and (3) jack fruit: tai Mi No. 12.
Okra: selecting the five-fortune variety with strong adaptability, high yield, good commodity and high quality.
(3) Planting time: the planting time of the jackfruit is 3 months; the planting time of the okra is 3 months.
(4) Seedling raising of okra:
soaking okra seeds in warm water at 55 ℃ for 20min, then soaking in clean water at normal temperature for 12h, accelerating germination in an artificial climate box at 25-30 ℃, sowing and raising seedlings in seedling raising plug trays filled with special selenium-rich seedling raising substrates after 80% of seeds are exposed, and taking off the trays for field planting when 2-3 true leaves exist in the seedlings.
(5) The planting method comprises the following steps:
the method comprises the following steps of selecting jack-fruit grafted seedlings with 2-3 fleabane aged branches and leaves as seedlings, digging a small hole in the middle of a jack-fruit fixed planting hole, placing the seedlings and removing a seedling nutrition bag to enable root necks and hole surfaces to be flat, returning soil, compacting, making a tree plate with the diameter of 80-100cm, pouring enough root fixing water, and covering the tree plate with hay after the tree plate is 15-20cm away from a main trunk for moisture preservation.
Digging a small hole in the okra planting hole, putting okra seedlings with seedling culture medium into the hole, returning soil, compacting, and pouring enough root fixing water.
(6) Field management:
and (3) jack fruit: removing weeds in the field in time and keeping the tree disc free of weeds; pruning young trees mainly comprises the steps of culturing good tree types, and cutting tops to branch when the plants grow to 1.2-1.5 m; selecting 3-4 strong and uniformly distributed branches growing at 45-60 degrees with the trunk to culture first-stage branches; when the primary branch grows to 1.2-1.5m, cutting off the branch again, and selecting and reserving 2-3 strong branches which are uniformly distributed as secondary branches; and in the same way, the opened tree crowns are cultured. If partial varieties start bearing fruits in the second third year, 2 fruits which are full in growth, strong, correct in fruit shape and free of diseases and insect pests are left in the second year, and the rest fruits are removed; and 4-5 fruits are remained in the third year.
Okra: timely clearing weeds in the ridges, clearing side branches below 45cm of the trunk and Fang Laoshe under tender fruits, increasing ventilation and promoting blossoming and fruiting.
(7) The fertilizing method comprises the following steps:
and (3) jack fruit: 30-60g of urea and 30-40g of nitrogen-phosphorus-potassium compound fertilizer are applied to each young tree, and shallow ditches with the depth of 10cm are opened on the tree crown drip line every month or are used as water and fertilizer for drenching. Applying green manure in late autumn and early winter, symmetrically digging two fertilizing ditches at the periphery of a water dripping line of a crown, wherein the fertilizing ditches are 80-100cm long, 30-40cm wide and 30-40cm deep, and placing the interplanted okra in the ditches to trim branches and stems, weeds, 20kg of selenium-rich organic fertilizer per mu and 0.5kg of calcium magnesium phosphate fertilizer per mu.
Okra: in the fruiting period, 15kg of monopotassium phosphate and 8kg of potassium nitrate are applied to each mu every 15 days.
(8) Harvesting fruits:
and (3) jack fruit: when the fruit stem is yellow brown, or the fruit is beaten by hand (stick) to produce puffy and puffy turbid sound, or the fruit peel is yellow or yellow brown and the peel is blunt.
Okra: the tender fruit grows 7-10cm 5-6 days after the plant blooms, and then the young fruit can be harvested. 1 time of harvest in 2-3 days in the early stage and the later stage, and 1 time of harvest in 1 day in the full bearing stage.
In example 2 of field cultivation, pineapple Honey and okra are interplanted
The difference from example 1 is that:
(1) The selenium-rich fertilizer used for land preparation and fertilization is different, and the selenium-rich fertilizer adopted in example 2 is obtained by composting 500 parts of cow dung, 532 parts of cassava residue and 8 parts of sodium selenite raw material for 25-35 days.
(2) The selenium-rich fertilizer used for the seedling raising substrate of okra is also different, and the selenium-rich fertilizer adopted in example 2 is prepared from 438 parts of peat and 2 parts of sodium selenite, and the preparation method is the same as that of example 1.
The other planting methods were exactly the same as in field example 1, except for the above two differences.
Example 3 Jack fruit planting alone
(1) Land preparation requirement:
selecting a garden with sufficient sunlight, flat topography and rich soil, digging planting holes in the first month of planting according to the plant spacing of 5-6m and the row spacing of 6-7m, and separately placing surface soil and inner soil for insolation for about one month; before planting, the surface soil and the dead-branch weeds are returned to one third of the planting holes, then, 20kg of selenium-rich organic fertilizer, 2kg of compound fertilizer and 0.8kg of calcium magnesium phosphate fertilizer are uniformly mixed with the inner soil and backfilled according to the application amount per mu, the surface soil is filled in the upper layer, and a soil pile with the ground height of 10cm is made for planting.
(2) Variety selection: tai Mi No. 12.
(3) Planting time: and 3 months.
(4) The planting method comprises the following steps:
the method comprises the following steps of selecting jack-fruit grafted seedlings with 2-3 fleabane aged branches and leaves as seedlings, digging a small hole in the middle of a jack-fruit fixed planting hole, placing the seedlings and removing a seedling nutrition bag to enable root necks and hole surfaces to be flat, returning soil, compacting, making a tree plate with the diameter of 80-100cm, pouring enough root fixing water, and covering the tree plate with hay after the tree plate is 15-20cm away from a main trunk for moisture preservation.
(5) Field management:
removing weeds in the field in time and keeping the tree disc free of weeds; pruning young trees mainly comprises the steps of culturing good tree types, and cutting off tops to branch when plants grow to 1.2-1.5 m; selecting 3-4 strong and uniformly distributed branches growing at 45-60 degrees with the trunk to culture first-stage branches; when the primary branch grows to 1.2-1.5m, cutting off the branch again, and selecting and reserving 2-3 strong branches which are uniformly distributed as secondary branches; and in the same way, the opened tree crowns are cultured. If partial varieties start bearing fruits in the second third year, 2 fruits which are full in growth, strong, correct in fruit shape and free of diseases and insect pests are left in the second year, and the rest fruits are removed; and 4-5 fruits are remained in the third year.
(6) The fertilizing method comprises the following steps: 30-60g of urea and 30-40g of nitrogen-phosphorus-potassium compound fertilizer are applied to each young tree, and shallow ditches with the depth of 10cm are opened on the tree crown drip line every month or are used as water and fertilizer for drenching. Applying green manure in late autumn and early winter, symmetrically digging two fertilizing ditches at the periphery of a water dripping line of a crown, wherein the fertilizing ditches are 80-100cm long, 30-40cm wide and 30-40cm deep, and weeds, 20kg of selenium-rich organic fertilizer per mu and 0.5kg of calcium magnesium phosphate fertilizer per mu are placed in the ditches.
(7) Harvesting fruits: when the fruit stem is yellow brown, or the fruit is beaten by hand (stick) to produce puffy and puffy turbid sound, or the fruit peel is yellow or yellow brown and the peel is blunt.
Example 4 okra alone planting
(1) Land preparation requirement:
in order to better compare the interplanting effect, the number of okra planted per mu and the planting density in example 4 were kept parallel to those in example 1. Namely: 3 planting ridges are formed in the width of every 6m in the first year and the second year, 2 planting ridges are formed in the width of every 6m in the third year and the fourth year, and the ridge surface width is 1-1.2m; the interval between the furrows is 30-40cm, the depth of the furrow is 25-30cm, and the furrows are used as operation lines; digging base fertilizer ditches at one quarter and three quarters of the ridge surface, and applying 1000kg of selenium-rich organic fertilizer and 20kg of compound fertilizer at the depth of 20-30 cm; uniformly mixing the base fertilizer and the soil during ditching, and leveling; then, a mulching film is flatly paved on the surface of the ridge, and the periphery of the ridge is compacted by soil; and (4) opening planting holes on the mulching film on the base fertilizer groove according to the plant spacing of 40-50 cm.
(2) Variety selection: five-luck varieties.
(3) Planting time: and 3, the bottom of the month.
(4) Seedling culture:
soaking okra seeds in warm water at 55 ℃ for 20min, then soaking in clean water at normal temperature for 12h, accelerating germination in an artificial climate box at 25-30 ℃, sowing and raising seedlings in seedling raising plug trays filled with special selenium-rich seedling raising substrates after 80% of seeds are exposed, and taking off the trays for field planting when 2-3 true leaves exist in the seedlings.
(5) The planting method comprises the following steps: digging a small hole in the okra planting hole, putting okra seedlings with a seedling substrate into the hole, returning soil, compacting, and pouring enough root fixing water.
(6) Field management: timely clearing weeds in the ridges, clearing side branches below 45cm of the trunk and Fang Laoshe under tender fruits, increasing ventilation and promoting blossoming and fruiting.
(7) The fertilizing method comprises the following steps: in the fruiting period, 15kg of monopotassium phosphate and 8kg of potassium nitrate are applied to each mu every 15 days.
(8) Harvesting fruits: the tender fruit grows 7-10cm 5-6 days after the plant blooms, and then the young fruit can be harvested. 1 time of harvest in 2-3 days in the early stage and the later stage, and 1 time of harvest in 1 day in the full bearing stage.
The yield, benefit and cost comparisons for the 4 examples above are shown in the following table:
the okra is calculated according to 6 yuan/kg, and the jack fruit No. 12 Tai honey is calculated according to 6 yuan/kg.
Claims (5)
1. The method for interplanting okra in jack fruit is characterized in that the okra is planted among jack fruit planting rows, and the method comprises the following steps:
(1) Seedling raising, namely breeding jackfruit seedlings and okra seedlings, wherein the okra seedlings are raised by adopting a special selenium-rich seedling raising matrix for okra, and the special selenium-rich seedling raising matrix for okra is prepared from the following raw materials in parts by weight: 200-300 parts of peat, 40-60 parts of coconut coir, 60-100 parts of perlite, 60-100 parts of vermiculite, 8-10 parts of calcium nitrate, 5-10 parts of monopotassium phosphate and 1-2 parts of sodium selenite;
(2) Applying a base fertilizer, namely applying a selenium-rich organic fertilizer as the base fertilizer in the jackfruit planting holes and on the okra planting beds, wherein the selenium-rich organic fertilizer is obtained by piling and retting the following raw materials in parts by weight for 25-35 days: 400-500 parts of cow dung, 200-300 parts of cassava dregs, 100-200 parts of peanut bran, 10-15 parts of calcium superphosphate, 5-8 parts of sodium selenite and 1-2 parts of BTEM (bacterial growth promoting bacteria) live agent.
2. The method for interplanting okra with jack fruit according to claim 1, wherein the specific steps comprise variety selection, seedling raising, soil preparation, base fertilizer application, planting and management,
in the land preparation step, jack fruit planting holes are dug according to the planting density of 5-6m of plant spacing and 6-7m of row spacing; setting up okra planting furrows among rows of jack fruit planting holes, setting up 2-3 furrows among each row, wherein the width of the furrow surface is 1-1.2m, and opening okra planting holes according to the okra planting distance of 40-50 cm;
in the step of applying the base fertilizer, the jackfruit planting base fertilizer is applied in the jackfruit planting holes according to the use amounts of 20-30kg of selenium-rich organic fertilizer, 1-2kg of nitrogen-phosphorus-potassium compound fertilizer and 0.5-0.8kg of calcium-magnesium phosphate fertilizer per mu; and applying the okra planting base fertilizer on the okra planting ridges according to the dosage of 1000-1500kg of selenium-rich organic fertilizer and 15-25kg of nitrogen-phosphorus-potassium compound fertilizer per mu.
3. The method for interplanting okra with jack fruit as claimed in claim 2, wherein the method comprises the following steps: the variety selection step comprises the step of selecting one of jackfruit varieties of Tai honey No. 12, common jackfruit or Qiongyin No. 1; the okra variety is selected from one of five fortunes, qingfu, kaliba or yuehai.
4. The method for interplanting okra with jack fruit as claimed in claim 2, wherein the method comprises the following steps: in the planting step, the planting time of the jack fruit is 3-4 months in spring; the planting time of the okra is 3-4 months from the bottom of spring.
5. The method for interplanting okra in jack fruit as claimed in claim 2, is characterized in that: the management steps comprise weeding, pruning and managing the jackfruit, dressing urea, a nitrogen-phosphorus-potassium compound fertilizer, a selenium-rich organic fertilizer or a calcium-magnesium-phosphate fertilizer on the jackfruit, and dressing monopotassium phosphate or potassium nitrate on the okra.
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