Ecological improvement method based on improvement of land fertility of reclamation cultivated land
By constructing a chicory-earthworm-bamboo fiber microbial agent ecosystem, the problem of poor soil improvement in reclaimed farmland in suburban areas has been solved, and soil fertility has been improved and the ecosystem has been restored.
Patent Information
- Application Number
- CN202511108772.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-08-08
- Publication Date
- 2025-12-09
AI Technical Summary
There is a lack of research on rapid soil fertilization and ecological restoration technologies for reclaimed farmland in suburban areas, resulting in insufficient technological innovation and poor soil improvement and fertilization effects.
Construct a 'chicory-earthworm-bamboo fiber microbial agent' ecosystem based on reclaimed farmland, forming an 'animal-plant-microorganism' complex ecosystem. Improve soil fertility through chicory sowing, mulching, earthworm release, and microbial agent application.
It significantly improved the soil improvement and fertilization effect of reclaimed land, increased the content of soil organic matter, total nutrients and available nutrients, improved soil aggregate structure, and promoted ecosystem restoration.
Smart Images
Figure CN121080182A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of farmland improvement, and particularly relates to an ecological improvement method based on farmland fertility improvement after reclamation. BACKGROUND
[0002] Farmland reclamation is an effective way to balance agricultural production and farmland resource protection, and is of great significance in ensuring food and ecological safety. Carrying out land reclamation research is helpful to restore soil fertility and realize agricultural green development transformation. At present, reclamation of farmland mainly focuses on research on land reclamation and ecological restoration technology in mining areas. With urbanization construction and low-yield land transformation, large areas of suburban reclamation land and wasteland need to be fertilized to restore grain production. However, there is little research on rapid fertilization and ecological restoration technology of suburban reclamation farmland, and the reclamation fertilization technology is single, mainly relying on the application of organic fertilizers and other organic materials for fertilization. The research depth of scientific problems in reclamation is not enough, and the technological innovation is insufficient. The effect of soil improvement and fertilization is not good. There is a lack of efficient and rapid fertilization and ecological improvement technology for reclamation land and wasteland. SUMMARY
[0003] The present application relates to the technical field of farmland improvement, and particularly relates to an ecological improvement method based on farmland fertility improvement after reclamation.
[0004] In order to achieve the above-mentioned application purposes, the present application provides the following technical solutions: The present application provides an ecological improvement method based on farmland fertility improvement after reclamation, comprising the following steps: (1) Leveling the field: removing the impurities in the soil, and keeping the soil flat and loose; (2) Field irrigation: irrigating the leveled field to keep the surface soil moist; (3) Chicory sowing: mixing high molecular bamboo fiber microbial fertilizer and chicory seeds in proportion, and scattering them in the field; (4) Chicory cutting and covering: waiting for the chicory to grow and germinate, regularly weeding, and cutting the chicory when it grows to more than 30 cm, and evenly covering the cut chicory stems and leaves in the field; (5) Putting earthworm seedlings: choosing overcast days with air temperature of 15-25℃, evenly distributing points in the field, digging holes, and evenly putting earthworm seedlings into the holes; (6) Chicory cutting and covering: cutting the chicory every 20-40 days according to the growth progress of the chicory, and covering the cut chicory stems and leaves on the surface of the field.
[0005] As preferred, the ecological improvement method further comprises: repeating steps (2)-(6) to form a "chicory-worm-fungicide" composite ecological system.
[0006] As preferred, the removing in step (1) is performed on the soil in the surface layer of 0-20 cm, and the invasion body impurities are stones and construction residues.
[0007] As preferred, the irrigation in step (2) is performed to make the soil in the surface layer of 0-10 cm reach a humidity of 70%-85%.
[0008] As preferred, the high-molecular bamboo fiber microbial fertilizer in step (3) is used in an amount of 30-50 kg per mu, and the chicory seeds are used in an amount of 1.5-2 kg per mu.
[0009] As preferred, the cutting in step (4) is performed on the chicory stems and leaves above 10-15 cm from the ground.
[0010] As preferred, the earthworm seedlings are put in 1-2 days after the chicory stems and leaves cut in step (4) are covered in the field, the earthworm seedlings are used in an amount of 45-55 kg per mu, the quantity is 5000-6000 per mu, the earthworm seedlings are Emei Mountain Megalomma, and the pit width is 35-45 cm and the depth is 15-25 cm.
[0011] As preferred, the cutting in step (6) is performed when the height of the chicory plants reaches more than 30 cm, the cutting is performed on the chicory stems and leaves above 10-15 cm from the ground, and the cutting is performed 7-8 times per year.
[0012] The application provides an ecological improvement method based on improvement of the fertility of reclaimed farmland, which comprises the following steps: (1) leveling the field; (2) irrigating the field; (3) sowing chicory; (4) cutting and covering chicory; (5) putting in earthworm seedlings; and (6) cutting and covering chicory. The application utilizes a "chicory-worm-fungicide" composite ecological system to improve the physical and chemical properties of reclaimed soil, improve the fertility of the plough layer of soil, and promote the recovery of the soil ecological system of the reclaimed land. The application adopts a "chicory-worm-bamboo fiber fungicide" ecological system to construct a "animal-plant-microorganism" composite ecological system, and significantly improves the effect of improvement and fertilization of the reclaimed land.
[0013] The application adopts a "chicory-worm-bamboo fiber fungicide" ecological system mode to construct a "animal-plant-microorganism" composite ecological system, and significantly improves the effect of improvement and fertilization of the reclaimed land. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 Leveling the field; Figure 2 Field irrigation; Figure 3 The fungicide is mixed with the chicory seeds in proportion; Figure 4 Chicory head covering; Figure 5 Earthworms are released; Figure 6 Chicory head covering; Figure 7 Growth of chicory after 10 months of planting; Figure 8 Surface soil conditions for examples and controls. DETAILED DESCRIPTION
[0015] The present application provides an ecological improvement method based on the improvement of the fertility of reclaimed farmland, comprising the following steps: (1) Leveling the field: removing the intruding impurities in the soil, keeping the soil level and loose; (2) Field irrigation: irrigating the leveled field to keep the surface soil moist; (3) Chicory sowing: mixing high molecular bamboo fiber fungicide and chicory seeds in proportion, and applying in the field; (4) Chicory head covering: waiting for the chicory to grow and germinate, regularly weeding, and when the chicory grows to more than 30 cm, carrying out head treatment, and evenly covering the chopped chicory stems and leaves on the field; (5) Earthworm seedling release: selecting overcast days with air temperature of 15-25℃, evenly distributing points in the field, digging holes, and evenly releasing earthworm seedlings into the holes; (6) Chicory head covering: according to the growth progress of chicory, chopping heads every 20-40 days, and covering the chopped chicory stems and leaves on the surface of the field.
[0016] In the present application, the ecological improvement method preferably further comprises: repeating steps (2)-(6) to form a "chicory-earthworm-fungicide" composite ecological system.
[0017] In the present application, the range of removal in step (1) is preferably the surface soil 0-20 cm, and the intruding impurities are preferably stones and construction waste.
[0018] In the present application, the irrigation standard in step (2) is preferably that the soil moisture of the surface 0-10 cm reaches 70%-85%, and further preferably that the soil moisture of the surface 0-10 cm reaches 75%-80%.
[0019] In the present application, the use amount of the high-molecular bamboo fiber microbial bacteria fertilizer in step (3) is preferably 30-50 kg / mu, and further preferably 40 kg / mu, and the use amount of the chicory seeds is preferably 1.5-2 kg / mu, and further preferably 1.7-1.8 kg / mu.
[0020] In the present application, the high-molecular bamboo fiber microbial bacteria fertilizer is purchased from Sichuan Xinxin Regent Biotechnology Co., Ltd.
[0021] In the present application, the method for cutting the head in step (4) is preferably cutting the chicory stem and leaf head above 10-15 cm from the ground, and further preferably cutting the chicory stem and leaf head above 12-13 cm from the ground.
[0022] In the present application, the time for putting the earthworm seedlings in step (5) is preferably 1-2 days after covering the cut chicory stems and leaves in the field in step (4), the use amount of the earthworm seedlings is preferably 45-55 kg / mu, and further preferably 50 kg / mu, the number is preferably 5000-6000 pieces / mu, and further preferably 5500 pieces / mu, the earthworm seedlings are preferably Eumysia perrieri, the width of the pit is preferably 35-45 cm, and further preferably 40 cm, and the depth is preferably 15-25 cm, and further preferably 20 cm.
[0023] In the present application, the standard for cutting the head in step (6) is preferably that the height of the chicory plant reaches more than 30 cm, the method for cutting the head is preferably cutting the chicory stem and leaf head above 10-15 cm from the ground, and the frequency of cutting is preferably 7-8 times per year.
[0024] The technical solutions provided by the present application will be described in detail below in combination with examples, but they should not be understood as limiting the scope of protection of the present application.
[0025] Example
[0026] From May 2024 to May 2025, the implementation of the chicory-earthworm-bacteria complex ecological system in the reclaimed land of the ecological area around the city was carried out in Shuangliu District, Chengdu. This case began to level the field in late May 2024 for the first time, removed stones, construction residues and other intruding impurities in the soil layer 0-20 cm on the surface, kept the soil flat and loose, then irrigated the leveled field to make the soil humidity of the surface layer 0-10 cm reach 85%, and sowed chicory seeds according to the standard of 2 kg / mu and applied bacteria according to the standard of 50 kg / mu, implemented a large area of 220 m 2In the middle of June 2024, when the soil is moist after raining, re-sow the chicory seeds. Then wait for the growth of chicory seedlings and regularly carry out weeding. After the chicory grows vigorously and is more than 30 cm, cut off the head of the chicory stem and leaf above 15 cm from the ground, and evenly cover the cut chicory stem and leaf in the field. In the middle of October 2024, when the temperature is 15-25℃ and the soil is moist after autumn rain, evenly distribute the pits with a width of 40 cm and a depth of 20 cm in the field, and evenly put the earthworm seedlings into the pits. The test area feeds 2000 earthworm seedlings (equivalent to about 6000 per mu). Then carry out chicory head cutting every 20-40 days, and other management refers to the general field.
[0027] On March 19, 2025, soil sampling was carried out in the example field. The soil was randomly sampled, 5 points were mixed, and CK was the soil sample of the same field without fertilization. The soil samples were taken according to 3 times of repeated sampling. The results of the soil physicochemical properties are as follows: Table 1 Soil pH and organic matter content of the example
[0028] As shown in Table 1, the pH value of the soil 0-20 cm of the example is reduced by 0.46% compared with CK, and the organic matter is increased by 17.7% compared with CK. After nearly one year of field test, the organic matter of the example is greatly improved. On the one hand, it is due to the application of bamboo fiber microbial agent, and on the other hand, it is due to the fact that the chicory is not repeated for the purpose of returning to the field and covering the treatment, which plays a role in green manure and fertilization.
[0029] Table 2 Total nutrient content of the example soil
[0030] As shown in Table 2, the total nitrogen of the soil 0-20 cm of the example is increased by 10.71% compared with CK, and the total phosphorus and total potassium are increased by 1.06% and 5.5% respectively. During the whole year of the test period, only 5 kg of conventional compound fertilizer (N:P2O5:K2O=23-7-15) was applied in October 2024, which was used as a supplement of fertilizer, and no fertilizer was applied in other periods.
[0031] Table 3 Soil available nutrient content of the example
[0032] As shown in Table 3, the available N, P and K nutrients of the soil 0-20 cm of the example are increased by 6%, 34.7% and 32% respectively compared with CK.
[0033] Table 4 Soil bulk density of the example
[0034] As shown in Table 4, the soil bulk density of 0-10 cm and 10-20 cm of examples 0-10 is reduced by 17.88% and 9.84% respectively compared with CK. During the whole planting period, the soil is not treated by ploughing and the like. Therefore, it is illustrated that feeding earthworms, chicory and applying bacterial agent all improve the soil granular structure, especially the earthworm activity plays an obvious role in loosening the surface soil (see Figure 8 ].
[0035] From the above examples, the present application provides an ecological improvement method based on the improvement of the fertility of reclaimed farmland, which comprises the following steps: (1) leveling the field; (2) field irrigation; (3) chicory sowing; (4) chicory head covering; (5) putting earthworm seedlings; (6) chicory head covering and the like. The present application utilizes the earthworm-chicory-bacterial agent composite ecosystem to improve the soil physical and chemical properties of the reclaimed land, improve the fertility of the plough layer, and promote the recovery of the ecological system function of the reclaimed land. The "chicory-earthworm-bamboo fiber bacterial agent" ecosystem is adopted to construct the "animal-plant-microorganism" composite ecosystem, improve the improvement and fertilization effect, and construct the "live" soil ecosystem.
[0036] The above description is only the preferred embodiment of the present application, and it should be pointed out that, for the ordinary skilled in the art, on the premise of the principle of the present application, a number of alternatives, improvements and refinements can be made, and these improvements and refinements should also be regarded as the protection scope of the present application.
Claims
1. An ecological improvement method based on the improvement of the fertility of reclaimed land, characterized by, It comprises the following steps: (1) Leveling the field: removing the intruding impurities in the soil, keeping the soil level and loose; (2) Field irrigation: irrigating the leveled field to keep the surface soil moist; (3) Chervil sowing: mixing high molecular bamboo fiber microbial fertilizer and chervil seeds in proportion and spreading in the field; (4) Chervil cutting and covering: waiting for chervil to grow, regularly weeding, and cutting the chervil stems and leaves when the chervil grows to more than 30 cm, and evenly covering the cut chervil stems and leaves in the field; (5) Putting earthworm seedlings: choosing overcast days with air temperature of 15-25℃, evenly distributing points in the field, digging holes, and evenly putting earthworm seedlings into the holes; (6) Chervil cutting and covering: cutting every 20-40 days according to the growth progress of chervil, and covering the cut chervil stems and leaves on the surface of the field.
2. The method of ecological improvement according to claim 1, characterized in that, The ecological improvement method further comprises: repeating steps (2)-(6) to form a "chervil-earthworm-bacterium" complex ecosystem.
3. The method of ecological improvement according to claim 2, wherein, The range of the removal in step (1) is the soil of 0-20 cm in the surface layer, and the intruding impurities are stones and construction waste.
4. The method of ecological improvement according to claim 3, wherein The irrigation standard in step (2) is to make the soil humidity of 0-10 cm in the surface layer reach 70%-85%.
5. The method of ecological improvement according to claim 4, wherein The amount of high molecular bamboo fiber microbial fertilizer used in step (3) is 30-50 kg / acre, and the amount of chervil seeds used is 1.5-2 kg / acre.
6. The method of ecological improvement according to claim 5, wherein, The method of cutting in step (4) is to cut the chervil stem and leaf head above 10-15 cm from the ground.
7. The method of ecological improvement according to claim 6, wherein The time of putting earthworm seedlings in step (5) is 1-2 days after covering the cut chervil stems and leaves in the field in step (4), the amount of earthworm seedlings used is 45-55 kg / acre, the number is 5000-6000 per acre, the earthworm seedlings are Emei Mountain Megalomma, the width of the hole is 35-45 cm, and the depth is 15-25 cm.
8. The ecological improvement method according to claim 7, characterized by, The cutting standard in step (6) is that the height of chervil plants reaches more than 30 cm, the cutting method is to cut the chervil stem and leaf head above 10-15 cm from the ground, and the frequency of cutting is 7-8 times per year.