Method for planting pitaya based on stony desertification slope

Abstract

The invention belongs to the technical field of agriculture, and discloses a method for planting pitaya on a stony desertification slope. The method comprises the following steps: S1, investigating the soil thickness and slope shape of the stony desertification slope; s2, classifying slope micro-regions; s3, performing slope micro-region differential soil preparation; s4, a supporting frame is built; s5, planting the pitaya; s6, fertilization, irrigation and protection management after planting; and S7, harvesting the pitaya. According to the method, micro soil preparation is carried out according to the regional characteristics of the stony desertification slope, the adaptability of the pitaya to climate, soil thickness and moisture is utilized, the pitaya is introduced into the stony desertification mountain area, the production chain of the pitaya industry is expanded, and the ecological restoration capacity of the stony desertification slope is improved while economic benefits are created; according to the method, a large amount of foreign soil and high-frequency water irrigation are not used, a large amount of labor cost is also not needed, and a new thought is provided for agricultural planting in the stony desertification region by utilizing the environmental adaptability of the pitaya.

Description

Technical Field

[0001] This invention belongs to the field of agricultural technology, specifically relating to a method for planting dragon fruit on rocky desertification slopes. Background Technology

[0002] Rocky desertification is a prominent problem in hilly areas, characterized by shallow soil layers, intermingled soil and rocks, and severe soil erosion, resulting in low land productivity and a fragile ecological environment. Meanwhile, with continuous population growth, efficient use of land resources has become a key demand for development in this region.

[0003] Dragon fruit, as a highly adaptable cash crop, is currently mostly grown on flat or gentle slopes. Its shallow root system is well-suited to the unique environmental characteristics of rocky desertification slopes, such as shallow soil and specific water conditions. However, existing dragon fruit cultivation techniques have not been optimized for the specific site conditions of rocky desertification slopes. Directly applying traditional planting methods would require extensive soil improvement, frequent irrigation, and high labor costs. Furthermore, these methods struggle to adapt to the micro-regional differences on rocky desertification slopes, resulting not only in poor economic returns but also potentially exacerbating soil erosion and hindering the synergy between ecological protection and economic development.

[0004] Therefore, developing a low-cost, efficient, and eco-friendly dragon fruit planting technology for rocky slopes, and making rational use of rocky slopes, which has both important ecological security and economic value, has become an urgent need for the governance and sustainable development of rocky desertification areas. Summary of the Invention

[0005] To address the above-mentioned technical problems, the purpose of this invention is to provide a method for planting dragon fruit on rocky desertification slopes. This method utilizes the regional characteristics of rocky desertification slopes for micro-land preparation, and leverages the adaptability of dragon fruit to climate, soil thickness, and moisture to introduce dragon fruit into rocky desertification mountainous areas, expanding the production chain of the dragon fruit industry. While creating economic benefits, it also improves the ecological restoration capacity of rocky desertification slopes. This method does not require large amounts of imported soil or frequent irrigation, nor does it require significant labor costs. By utilizing the environmental adaptability of dragon fruit, it provides a new approach to agricultural planting in rocky desertification areas.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: A method for planting dragon fruit on rocky desertification slopes includes the following steps: S1. Investigation of soil thickness and slope morphology on rocky desertification slopes: Using satellite and remote sensing imagery, drone photography, or field surveys, representative sample points were selected based on the actual conditions, and soil thickness was estimated by dividing the soil into 2m×2m zones. Ground-penetrating radar and manual cutting were used to obtain the morphology of rocky desertification slopes; S2. Slope micro-regional classification: Based on the differences in surface soil-rock interaction patterns and soil morphology, micro-regions were divided into three types using 10m×10m quadrats: soil surface clustered micro-regions, soil surface scattered micro-regions, and soil surface regular micro-regions. S3, Differentiated land preparation: Differentiated land preparation was implemented based on the soil and water conservation suitability of the micro-region and the needs of dragon fruit cultivation. S4. Construct the support frame: Select bamboo with a diameter of 8-10cm or more and insert it into the soil for fixation, burying it at a depth of 40-50cm, with 120-130cm exposed above ground; each bamboo pole should be supported by 3 bamboo stalks in a triangular formation, with overlapping joints for reinforcement. The soil side projection area is greater than 2~3m 2 Stones were used as support frames, and gabion cages were used to guide the dragon fruit to climb. S5. Dragon fruit cultivation: Select a sunny slope with a gradient of ≤25°, dig planting holes every 2m along the contour lines, and fill them with improved soil and base fertilizer; Plant 2-3 bamboo plants around each bamboo support; Choose a suitable type of dragon fruit for main cultivation, cover with anti-evaporation mulch, and supplement with drip irrigation; S6. Fertilization, Irrigation and Protective Management: Fertilization, irrigation, and protective management should be carried out for dragon fruit seedlings, early fruiting stages, and peak fruiting stages respectively; S7. Harvesting: Dragon fruit should be harvested when the percentage of purplish-red color is ≥85%.

[0007] Preferably, in step S3, the specific process of differentiated land preparation is as follows: For micro-regions with soil volume accounting for ≥60% of the soil surface, level the water-accumulating soil troughs formed by local unevenness, and combine contour lines to transform steep slopes with an angle between 5 and 15° into horizontal terraces, and concentrate isolated stones on the outside of the terrace ridges. For micro-regions with soil volume ≤ 40% and scattered soil surface, a buffer zone is constructed. Imported soil is used to fill the depressions on the stone surface. After leveling the soil, stones are laid along the contour lines to intercept runoff and promote infiltration. For micro-regions with regular soil surface where the soil volume ratio is between 40% and 60%, fish-scale pits are dug between regular stones or the soil is leveled, and stones are laid outside the fish-scale pits or along the contour lines to intercept the soil.

[0008] Preferably, the imported soil is sourced from slope soil that cannot be utilized in situ. The recessed area on the stone surface includes areas that are annular, narrow strip-shaped, or other irregularly shaped. The fish-scale pit has a diameter of 80-100cm and a depth of 30-40cm.

[0009] Preferably, in step S5, the length, width, and height of the planting hole are 40cm × 40cm × 30cm. The improved soil is composed of local soil, organic fertilizer and river sand in a mass ratio of 6:3:1; The base fertilizer is composed of well-rotted organic fertilizer, carbonized reeds and zeolite powder, and the amount of well-rotted organic fertilizer applied is 1500~2000 kg / mu; The decomposed organic fertilizer is chicken manure or straw compost.

[0010] Preferably, the mulch film is an agricultural mulch film with a thickness of 0.08~0.12mm.

[0011] Preferably, in step S6, the specific conditions for fertilization are as follows: Seedling stage: Apply organic-inorganic compound fertilizer; Early fruiting stage: Supplement with phosphorus and potassium solubilizing bacteria; During the peak fruiting period: apply compound microbial agents and calcium-magnesium fertilizer.

[0012] Preferably, the organic-inorganic compound fertilizer is composed of organic matter and root-promoting fungi in a mass percentage ratio of (40-50%): (1-1.5%).

[0013] Preferably, the compound microbial agent is fish protein fertilizer and / or seaweed extract fertilizer.

[0014] Preferably, the specific conditions for irrigation are: drip irrigation is used. Seedling stage: every 7-10 days, maintaining soil moisture content at 60-65%; During peak fruiting period: every 3-5 days, maintain soil moisture content at 70-75%; Drainage treatment is carried out during the rainy season.

[0015] Preferably, the specific conditions for the protection management are as follows: Seedling stage: Leave 1-2 main vines, prune the top to promote lateral vines, and prune old and weak vines after harvest; use sticky insect traps to attract insects, and use fungicides such as carbendazim to control diseases; cover with film in winter for cold protection, and prune vines before typhoons to resist wind.

[0016] Compared with the prior art, the present invention has at least the following technical effects: This invention provides a method for planting dragon fruit on rocky desertification slopes. This method utilizes the regional characteristics of rocky desertification slopes for micro-land preparation and leverages the adaptability of dragon fruit to climate, soil thickness, and moisture to introduce dragon fruit into rocky desertification mountainous areas, expanding the production chain of the dragon fruit industry. While creating economic benefits, it also improves the ecological restoration capacity of rocky desertification slopes. This method does not require large amounts of imported soil or frequent irrigation, nor does it require a large amount of labor costs. By utilizing the environmental adaptability of dragon fruit, it provides a new approach to agricultural planting in rocky desertification areas.

[0017] Specifically, it includes the following advantages: 1) Achieving a win-win situation for ecological restoration and land use: This invention fully utilizes the strong adaptability of dragon fruit to climate, soil thickness, and moisture, introducing it for planting in rocky desertification mountainous areas. Through measures such as differentiated land preparation on slope micro-regions, interception of runoff with stones, and backfilling with topsoil, it effectively reduces soil erosion on rocky desertification slopes, strengthens soil stability, and enhances the region's ecological restoration capacity; at the same time, it activates this idle land resource of rocky desertification slopes, achieving an organic combination of ecological protection and efficient land use.

[0018] 2) This method reduces planting costs and improves economic benefits: It eliminates the need for large-scale soil improvement by using imported soil, which is sourced from slopes where in-situ utilization is impossible, thus achieving resource recycling. Drip irrigation technology provides precise watering, and combined with the dragon fruit's adaptability to its environment, it avoids frequent irrigation, significantly saving water resources and irrigation costs. Land preparation and support structure construction fully utilize existing local resources such as stones and bamboo on the slopes, requiring minimal manpower and significantly reducing planting costs. Furthermore, as a high-value crop, the large-scale cultivation of dragon fruit can expand the local agricultural industry chain, bringing continuous and stable economic benefits to rocky desertification areas and contributing to regional economic development.

[0019] 3) This method reduces planting costs and improves economic benefits: It eliminates the need for large-scale soil improvement by using imported soil, which is sourced from slopes where in-situ utilization is impossible, thus achieving resource recycling. Drip irrigation technology provides precise watering, and combined with the dragon fruit's adaptability to its environment, it avoids frequent irrigation, significantly saving water resources and irrigation costs. Land preparation and support structure construction fully utilize existing local resources such as stones and bamboo on the slopes, requiring minimal manpower and significantly reducing planting costs. Furthermore, as a high-value crop, the large-scale cultivation of dragon fruit can expand the local agricultural industry chain, bringing continuous and stable economic benefits to rocky desertification areas and contributing to regional economic development. Attached Figure Description

[0020] Figure 1 This is a flowchart illustrating the specific implementation of the method for planting dragon fruit on rocky desertification slopes; Figure 2 A schematic diagram of a local steep slope in a soil surface cluster-type micro-region; Figure 3 A schematic diagram of a local soil surface in a scattered micro-region; Figure 4 This is a partial schematic diagram of a regular-shaped micro-region. Detailed Implementation

[0021] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the present invention will be briefly introduced below in conjunction with the accompanying drawings and descriptions of the embodiments or the prior art. Obviously, the following description of the structure of the accompanying drawings is only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. It should be noted that the description of these embodiments is for the purpose of helping to understand the present invention, but does not constitute a limitation of the present invention.

[0022] One specific embodiment of the present invention is as follows: A method for planting dragon fruit on rocky desertification slopes includes the following steps: (Detailed process follows) Figure 1 As shown: S1. Investigation of soil thickness and slope morphology on rocky desertification slopes: Using satellite and remote sensing imagery, drone photography, or field surveys, representative sample points were selected based on the actual conditions, and soil thickness was estimated by dividing the soil into 2m×2m zones. Ground-penetrating radar and manual cutting were used to obtain the morphology of rocky desertification slopes; S2. Slope micro-regional classification: Based on the differences in surface soil-rock interaction patterns and soil morphology, micro-regions were divided into three types using 10m×10m quadrats: soil surface clustered micro-regions, soil surface scattered micro-regions, and soil surface regular micro-regions. S3, Differentiated land preparation: Differentiated land preparation was implemented based on the soil and water conservation suitability of the micro-region and the needs of dragon fruit cultivation. S4. Construct the support frame: Select bamboo with a diameter of 8-10cm or more and insert it into the soil for fixation, burying it at a depth of 40-50cm, with 120-130cm exposed above ground; each bamboo pole should be supported by 3 bamboo stalks in a triangular formation, with overlapping joints for reinforcement. The soil side projection area is greater than 2~3m 2 Stones were used as support frames, and gabion cages were used to guide the dragon fruit to climb. S5. Dragon fruit cultivation: Select a sunny slope with a gradient of ≤25°, dig planting holes every 2m along the contour lines, and fill them with improved soil and base fertilizer; Plant 2-3 bamboo plants around each bamboo support; Choose a suitable type of dragon fruit for main cultivation, cover with anti-evaporation mulch, and supplement with drip irrigation; S6. Fertilization, Irrigation and Protective Management: Fertilization, irrigation, and protective management should be carried out for dragon fruit seedlings, early fruiting stages, and peak fruiting stages respectively; S7. Harvesting: Dragon fruit should be harvested when the percentage of purplish-red color is ≥85%.

[0023] Experimental Example 1: A method for cultivating dragon fruit on rocky desertification slopes includes: S1, thickness of rocky desertification slope and micro-regional survey For the preliminary investigation of rocky desertification areas, ground-penetrating radar and manual cutting were used to select representative sample points in 2m×2m quadrats according to the actual situation to estimate the soil thickness on the slope; satellite technology or manual survey methods were used to obtain the rock coverage and topography of the slope. S2, Slope Microregion Classification Based on the differences in surface soil-rock interaction patterns and soil morphology, micro-regions were divided within a 10m×10m quadrat on the slope. Three types of micro-regions were identified: soil surface clustered micro-regions, soil surface scattered micro-regions, and soil surface regular micro-regions.

[0024]

[0025] S3, Differentiated land preparation and soil fertilization Differentiated land preparation was implemented based on the suitability of micro-regions for soil and water conservation and the needs of dragon fruit cultivation.

[0026] For micro-regions with clustered soil surfaces, level the water-accumulating troughs formed by local unevenness, and transform steep slopes with an angle greater than 5° into horizontal terraces using contour lines. Concentrate isolated stones from the slope and pile them on the outer side of the terrace ridges. The pattern is as follows: Figure 2 As shown in the diagram, the white "×" circled in the image indicates the dragon fruit growing area.

[0027] For micro-regions with scattered soil surfaces, buffer zones are constructed by using slope soil that cannot be utilized in situ to fill ring-shaped, narrow strip-shaped, or other irregular depressions on the stone surface and then leveling them. Stones are laid along contour lines to intercept runoff and promote infiltration, and soil stability is enhanced through backfilling with topsoil and stone retaining walls. The model is as follows: Figure 3 As shown in the diagram, the white "×" circled in the image indicates the dragon fruit growing area.

[0028] For micro-areas with regular soil surfaces, dig pits with a diameter of 100cm and a depth of 40cm between regular stones, or level the soil, and lay stones outside the fish-scale pits or along contour lines to intercept the soil. The pattern is as follows: Figure 4 As shown in the diagram, the white "×" circled in the image indicates the dragon fruit growing area.

[0029] S4. Erect the support frame Select bamboo poles with a diameter of 8cm or more and insert them into the soil for fixation, burying them 40cm deep with 130cm exposed. Each pole is supported by three bamboo stalks forming a triangular shape, with key joints reinforced with wire. Utilize a soil projection area greater than 2m². 2 Stones are used as support frames, and gabion cages are used to guide the dragon fruit to climb, thereby improving the utilization rate of sunlight.

[0030] S5, Dragon Fruit Planting Select a sunny slope with a gradient of ≤25° and dig planting holes with dimensions of 40cm×40cm×40cm along the contour lines. The hole dimensions are: local soil: organic fertilizer: river sand = 6:3:1 (by weight). The base fertilizer is 1500-2000 kg / mu of well-rotted organic fertilizer, mixed with carbonized reeds and zeolite powder (accounting for 5-10% and 3-5% of the well-rotted organic fertilizer, respectively). Plant 3 saplings around each bamboo support. Choose a suitable type of dragon fruit for main cultivation, cover it with anti-evaporation mulch, and supplement water with drip irrigation.

[0031] Apply well-rotted organic fertilizer: chicken manure and straw compost.

[0032] S6. Post-planting fertilization, irrigation, and protective management During the seedling stage, apply organic-inorganic compound fertilizer (40%~50% organic matter) + (1%~1.5%) root-promoting fungi. During the initial fruiting stage, supplement with phosphorus- and potassium-solubilizing fungi. During the peak fruiting stage, use fish protein fertilizer or seaweed acid fertilizer, combined with calcium and magnesium fertilizer in a 1:1 ratio.

[0033] Irrigation is done by drip irrigation. The drip irrigation cycle is once every 7 to 10 days during the seedling stage and once every 3 to 5 days during the fruiting stage. The soil moisture content is maintained at 60% during the seedling stage and 70% to 75% during the fruiting stage. Drainage is required during the rainy season.

[0034] In terms of care, leave 1-2 main vines during the seedling stage, prune the tops to promote lateral vines, and prune old and weak vines after harvest; use sticky insect traps to attract insects, and use fungicides such as carbendazim to prevent and control diseases; cover with film in winter for cold protection, and prune vines before typhoons to resist wind.

[0035] S7, Dragon Fruit Harvesting Fruits can only be harvested when the percentage of purplish-red is ≥85%.

[0036] 2. Expected Results Effective cultivated area: Through topographic reshaping and integration of soil fragmentation on slopes, combined with slope terracing and topsoil backfilling, the effective cultivated area can be increased to over 90%. Space utilization rate: Combining the micro-regional differentiation pattern of the slope, the use of bamboo and gabion support system can increase the space utilization rate of three-dimensional planting on the stone surface to more than 85%. Soil fertility restoration: Improves soil structure, increases organic matter content by 35%, and achieves synergistic effects of soil fertility enhancement and agricultural income increase; Soil and water conservation benefits: Soil and water loss is reduced by 75% through differentiated land preparation and stone barriers.

[0037] Comparative example (traditional dragon fruit cultivation methods applied to rocky desertification slopes). 1. Planting steps (traditional method) Land preparation: No micro-plots were divided; planting holes (40cm×40cm×30cm) were dug directly along the slope, with a spacing of 2m between holes. No terraces or stone barriers were installed. Purchased yellow soil was used as the topsoil (50m³ of topsoil per acre). 3 ); Erecting the support frame: Use cement pillars (10cm in diameter and 200cm in height) as the support, buried at a depth of 50cm, without triangular supports or gabion cages for assistance; Planting: Plant 3 plants around each cement pillar according to the planting density on flat ground. Do not cover with anti-evaporation mulch. Soil improvement only uses local soil: organic fertilizer = 7:3 (without river sand, carbonized reeds and zeolite powder). Water and fertilizer management: Apply conventional compound fertilizer (N:P:K=15:15:15) from the seedling stage to the peak fruiting stage, with an application rate of 80 kg per mu; Irrigation is done by flood irrigation, once every 10 days, with an irrigation volume of 50 L / plant each time. Protective management: No specific measures were taken to prevent cold or wind damage; pest and disease control only involved spraying carbendazim and no sticky insect traps were used. Harvesting: Harvest the fruit after the surface has turned completely red.

[0038] 2. Expected Results Effective cultivated area: Only 50.3% of the land is effectively cultivated, and less than 30% of the land is in areas with scattered soil surfaces. Space utilization: With only cement pillars for support, the utilization rate of planting space is less than 70%; Soil fertility restoration: The soil on the rocky desertification slopes was infertile, and the organic matter content increased by 25% compared with before planting; Soil and water conservation benefits: The soil on the slope is shallow, and soil erosion is reduced by 10% compared with before planting.

[0039] 3. Comparison Table of Core Differences and Effects between the Example and Comparative Examples

[0040] Conclusion: This invention solves the problems of low survival rate, poor yield, insufficient ecological benefits, and high cost of traditional planting methods in rocky desertification areas by classifying rocky slopes into micro-regions, differentiating land preparation, constructing special support frames, and implementing precise water and fertilizer protection management. It achieves synergistic development of economic benefits and ecological restoration.

[0041] Finally, it should be noted that the above description is merely a preferred embodiment of the present invention and is not intended to limit the scope of protection of the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the scope of protection of the present invention.

Claims

1. A method for planting dragon fruit on a rocky desertification slope, characterized in that, It comprises the following steps: S1, investigating the soil thickness and slope form of rocky desertification slope: Using satellite and remote sensing image technology, unmanned aerial vehicle photography or field investigation method, according to the actual situation, representative sample points are selected, and the soil thickness is estimated by partitioning 2m×2m; The ground penetrating radar and artificial cutting method are used to obtain the form of rocky desertification slope; S2, micro regional classification of slope: According to the difference of soil and rock interaction mode and soil form, the micro region is divided into: soil cluster type micro region, soil scattered type micro region and soil regular type micro region with 10m×10m quadrat; S3, differential land preparation: Based on the water and soil erosion adaptability of the micro region and the planting demand of dragon fruit, differential land preparation is carried out; S4, build support frame: Selecting bamboo with diameter of 8~10cm above to insert into soil for fixation, with buried depth of 40~50cm and exposed length of 120~130cm; Each column of bamboo is equipped with 3 bamboo poles in triangular support, and the overlapping nodes are reinforced, The stone block with a soil side projection area greater than 2-3 m 2 is used as a support frame, and the dragon fruit is guided to climb by using the gabion cage. S5, dragon fruit planting: Selecting sunny slope with slope ≤25°, digging planting hole every 2m along contour line, filling improved soil and base fertilizer; Planting 2~3 plants around each bamboo support column; Selecting appropriate type of dragon fruit for main cultivation, covering evaporation prevention mulch and drip irrigation for water supplement; S6, fertilization, irrigation and protection management: Fertilization, irrigation and protection management are carried out for dragon fruit in seedling stage, initial fruiting stage and full fruiting stage respectively; S7, harvesting: When the proportion of purple red of dragon fruit is ≥85%, harvesting is carried out.

2. The method for planting dragon fruits on rocky desertification slopes according to claim 1, characterized in that, In S3, the specific process of differential land preparation is: For soil cluster type micro region with soil volume ratio ≥60%, the accumulated water tank formed by flattening local convex and concave is formed, and the steep slope with slope between 5~15° is transformed into horizontal terrace, and the isolated stone blocks on the slope are concentrated on the outside of the terrace ridge; For soil scattered type micro region with soil volume ratio ≤40%, buffer zone is constructed, and the stone surface depression area is filled with guest soil, and after the soil is flattened, stone blocks are laid along the contour line to intercept runoff and promote infiltration; For soil regular type micro region with soil volume ratio between 40~60%, fish scale pit is excavated between regular stone blocks or the soil is flattened, and stone blocks are laid outside the fish scale pit or along the contour line to intercept.

3. The method for planting dragon fruits on rocky desertification slopes according to claim 2, characterized in that, The guest soil comes from the slope soil that cannot be used in situ; The stone surface depression area includes annular, thin strip or other irregular shaped area; The fish scale pit has a diameter of 80~100cm and a depth of 30~40cm.

4. The method for planting dragon fruits on rocky desertification slopes according to claim 1, characterized in that, In S5, the length, width and height of the planting hole are 40cm×40cm×30cm; The improved soil is composed of local soil, organic fertilizer and river sand with mass ratio of 6:3:1; The base fertilizer is composed of rotten organic fertilizer, carbonized reed and zeolite powder, and the application amount of rotten organic fertilizer is 1500~2000kg / acre; The rotten organic fertilizer is chicken manure or straw compost.

5. The method for planting dragon fruits on rocky desertification slopes according to claim 4, characterized in that, The mulch thickness is 0.08~0.12mm agricultural mulch.

6. The method for planting dragon fruits on rocky desertification slopes according to claim 1, characterized in that, In S6, the specific conditions of fertilization are: Seedling stage: applying organic and inorganic compound fertilizer; Initial fruiting stage: supplementing phosphorus and potassium solubilizing bacteria; Full fruiting stage: applying compound bacteria and calcium and magnesium fertilizer.

7. The method for planting dragon fruits on rocky desertification slopes according to claim 6, characterized in that, The organic-inorganic compound fertilizer is composed of organic matter and root growth promoting bacteria agent in a mass percentage of (40-50%): (1-1.5%).

8. The method for planting dragon fruits on rocky desertification slopes according to claim 7, characterized in that, The compound bacteria agent is fish protein fertilizer and / or seaweed acid fertilizer.

9. The method for planting dragon fruits on rocky desertification slopes according to claim 1, characterized in that, The specific conditions of the irrigation are as follows: drip irrigation is adopted, Seedling stage: every 7-10 days / time, and the soil water content is kept at 60-65%; Fruiting stage: every 3-5 days / time, and the soil water content is kept at 70-75%; Drainage treatment is carried out in the rainy season.

10. The method for planting dragon fruits on rocky desertification slopes according to claim 1, characterized in that, The specific conditions of the protection management are as follows: Seedling stage: 1-2 main vines are reserved, and the top is cut to promote lateral vines, and old and weak vines are pruned after harvesting; the moth board is used to trap insects, and carbendazim is used for disease control; film mulching is used for cold protection in winter, and vines are pruned before typhoon to resist wind.

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