CN114731897A - Method for improving planting and afforestation efficiency of rocky desertification area - Google Patents
Method for improving planting and afforestation efficiency of rocky desertification area Download PDFInfo
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- CN114731897A CN114731897A CN202210545958.3A CN202210545958A CN114731897A CN 114731897 A CN114731897 A CN 114731897A CN 202210545958 A CN202210545958 A CN 202210545958A CN 114731897 A CN114731897 A CN 114731897A
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- nursery stock
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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
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B79/00—Methods for working soil
- A01B79/02—Methods for working soil combined with other agricultural processing, e.g. fertilising, planting
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/40—Afforestation or reforestation
Abstract
The invention discloses a method for improving the seedling planting and forestation efficiency in a stony desertification area, which comprises the steps of firstly selecting a forestation area, and after the nursery stock is planted, constructing an artificial stone ditch which comprises a nursery stock planting row and has a certain width and a certain depth by using stones locally and taking the nursery stock as a center along the direction of the nursery stock planting row, so as to build a microenvironment suitable for the nursery stock to grow, promote the nursery stock to grow and improve the seedling planting and forestation efficiency. The test results of the applicant show that the construction of the artificial stone ditch remarkably improves the plant growth amount (including indexes such as average plant height growth amount, average base diameter growth amount and average single plant biomass) of the nursery stock, and effectively improves the planting and forestation efficiency.
Description
Technical Field
The invention relates to a method for improving the planting and afforestation efficiency of a stony desertification area, belonging to the technical field of artificial afforestation.
Background
The planting and afforestation are the most important method for vegetation restoration in the stony desertification area. Due to the fact that the plants are in subtropical zones, the climate is hot, the evaporation capacity of the earth surface is large, the seasonal drought period is long, the soil layer is barren and the water retention capacity of the soil is poor, the difficulty of seedling planting and afforestation in the stony desertification area is large, and the plants are always disturbed by low survival rate of afforestation, small plant growth amount, low comprehensive benefit and the like for many years.
The tea strip wood is a good local tree species in south China, has strong adaptability and has prominent effect of promoting the vegetation restoration in the rocky desertification mountain areas. The tea strip tree is planted mainly by planting method, i.e. planting and afforesting by using bare-rooted seedlings or nutrition bag seedlings. The conventional method is to remove grass-irrigating plants and digging pits on the ground before the planting of the nursery stocks, and then return soil and trample the nursery stocks. The conditions of the rocky desertification region are severe, the conventional mode of tea strip wood planting and afforestation generally has the defects of longer recovery period, small growth amount (including plant height, base diameter and biomass) and the like, and the vegetation restoration efficiency is lower. At present, no report is available on improving the planting efficiency of seedlings by utilizing artificial stone ditches in the stony desertification area.
Disclosure of Invention
The invention aims to solve the technical problem of providing a method for improving the afforestation efficiency of the planted seedlings in the stony desertification area by constructing artificial stone ditches in the seedling planting rows, and the method can effectively improve the plant growth amount of the planted seedlings.
In order to solve the technical problem, the method for improving the planting and afforesting efficiency of the stony desertification area comprises the following steps: and selecting a forestation area, and after the nursery stock is planted, constructing an artificial stone ditch which comprises the nursery stock planting row and has certain width and depth by using stones on the spot and taking the nursery stock as the center along the row direction of the nursery stock planting row, so as to build a microenvironment suitable for the nursery stock to grow, promote the nursery stock to grow and improve the efficiency of planting and foresting.
According to the invention, the artificial stone ditches containing the seedling planting rows are constructed by utilizing visible stones in the stony desertification region and taking the seedling planting action center, so that the applicant also finds that the construction of the artificial stone ditches effectively improves the local micro-standing conditions while playing good roles in water collection, water retention and soil improvement, thereby obviously improving the plant growth amount of the seedlings and further improving the seedling planting and forestation efficiency.
In the technical scheme of the invention, the artificial stone ditch is formed by blocking two stone dikes, wherein the stone dikes are constructed by common stones in a stony desertification area. When the stone dike is constructed, the stone dike is constructed by taking the seedling base part as a starting point along the row direction of the seedling planting, the stone dike is preferably parallel to the row direction of the planting, and more preferably, the two stone dikes are parallel to each other. The space between the stone dikes on the two sides of the seedling planting rows and the planting rows is preferably equal.
In order to further improve the water collecting and retaining effects of the artificial stone trench, when a stone embankment is constructed using stone, it is preferable that the bottom of the stone is buried in the soil. The depth of stone bottom embedding in the soil is comparatively suitable when 3 ~ 5 cm.
In the technical scheme of the invention, the width of the artificial stone ditch refers to the distance between two stone dikes, and the depth of the artificial stone ditch refers to the distance between the top of the stone dike and the ground. The experience of the applicant shows that the width of the artificial stone ditch is preferably 15-20 cm, and the depth is preferably 10-15 cm.
Furthermore, in order to reduce the evaporation of water on the ground surface, the artificial stone ditch can be mowed and covered in the artificial stone ditch after the artificial stone ditch is constructed. The covering thickness of the grass is preferably 2-3 cm.
After the nursery stock is planted, mowing for more than 2 times every year, covering artificial stone ditches, and continuously tending for more than 2 years; typically mow 2 times a year with 2 years of continuous nurturing.
In the application, the stony desertification area refers to a southern karst stony desertification mountain area. The nursery stock is preferably tea-strip wood, and the field planting of the tea-strip wood is the same as that in the prior art.
Compared with the prior art, the artificial stone ditch is constructed by using stones on the spot and taking the seedling planting action as the center, on one hand, the stones are extremely large in quantity in the stony desertification area, the materials are convenient to obtain, and the construction operation of the artificial stone ditch is simple; on the other hand, the test results of the applicant show that the construction of the artificial stone ditches remarkably improves the plant growth amount (including indexes such as average plant height growth amount, average base diameter growth amount and average single plant biomass) of the seedlings, and effectively improves the planting and forestation efficiency.
Drawings
Fig. 1 is a schematic diagram of a test layout of 4 test treatments in example 1 of the present invention, in which "∘" represents a seedling planting point, "- -" represents a stone bank, the inner side of a terrace means a side of an ascending slope, and the outer side of the terrace means a side of a descending slope.
Detailed Description
In order to better explain the technical solution of the present invention, the present invention is further described in detail with reference to the following specific examples, but the embodiments of the present invention are not limited thereto.
Example 1
The experiment was performed at Longhetun, Yao village, a fruit-based town of Pingo, Guangxi. The Tun is located in the south of Pingguo city, is located in the middle section of karst mountain areas in southwestern Guixi province, is adjacent to river valleys in the right river, belongs to a typical peak-cluster-depression distribution area in landform, and has wide stony desertification area distribution. And in 2019 and 3 months, a abandoned plowing terrace (terrace for short) with the width of more than 2m and abandoned land for 3 years is selected to develop a test for improving the afforestation efficiency of the tea tree planting seedlings by utilizing the artificial stone ditches. The tea strip seedling is a nutrition bag seedling, the seedling age is 6 months, the average plant height is 26.7cm, the average base diameter is 0.30cm, and the experimental observation period is 3 years. The test method comprises the following main steps:
(1) a plot experiment mode is adopted, 4 experiment treatments (6 treatments are provided, 5 seedlings are planted in each repetition) are provided, the experiment layout of each experiment treatment is shown in figure 1, wherein:
outside of the terrace without building a ditch (comparison 1): the seedling planting line is positioned outside the terrace, and an artificial stone ditch is not constructed after the seedling planting;
step two, building a ditch on the outer side of the terrace: the seedling planting line is positioned outside the terrace, and an artificial stone ditch is constructed after the seedlings are planted;
thirdly, no trench is built in the middle of the terrace (contrast 2): the seedling planting line is positioned in the middle of the terrace, and an artificial stone ditch is not constructed after the seedlings are planted;
fourthly, building a ditch in the middle of the terrace: the seedling planting line is positioned in the middle of the terrace, and an artificial stone ditch is constructed after the seedlings are planted.
(2) Before field planting of the nursery stocks, weeds are completely cut off, field planting holes are dug according to the specifications of 120cm row spacing and 80cm plant spacing, the width and the depth of each hole are 30cm, then the surface soil is backfilled until the depth of each hole is 1/3, and the nursery stocks are transplanted while digging the holes.
(3) Transplanting the nursery stock with soil, taking down the nutrition bag before planting, and keeping the integrity of the soil ball at the root of the nursery stock.
(4) After the nursery stocks are planted, constructing a stone dike along the planting row direction respectively by taking the nursery stock planting action center as a test treatment II and a test treatment IV as a test treatment II, wherein when the stone dike is constructed, the bottom of the stone is buried in the soil by 3-5 cm, and the upper part of the stone is exposed out of the ground by 10-15 cm. The two stone dikes are parallel to each other, the distance between the two stone dikes is 20cm, the distance between the top of each stone dike and the ground is 10-15 cm, and therefore the artificial stone ditch which comprises planting rows, is 20cm wide in the interior and 10-15 cm deep is formed.
(5) And covering the interior of the artificial stone ditch with grass after the artificial stone ditch is constructed, wherein the covering thickness of the grass is 2-3 cm.
(6) And in 2019 to 2021, mowing and covering the artificial stone ditches in 5 and 9 months every year, wherein the covering thickness of the grass is 2-3 cm.
(7) And (3) surveying the growth condition of the tea tree seedlings for 1 time in 12 months every year from 2019 to 2021, and determining the height and the base diameter of the survival plants. And measuring the biomass of the tea strip wood single plant by adopting an average wood method in 12 months in 2021.
The test results are shown in tables 1 to 3 below.
Table 1: survival rate and net growth of current-year afforestation
Note that different lower case letters after the same column of data indicate that the difference between different treatments is extremely significant (P < 0.01).
Table 2: analysis of variance table
Table 3: comparison of afforestation effects of different experimental treatments
The results show that the method of artificial stone ditches can effectively improve the growth amounts of the tea shoot seedlings in the early stage of field planting, such as plant height, basal diameter, single plant biomass and the like in the rock desertification area of southwest Guixi. In the same period and in the same position, the difference between the average plant height growth amount and the average base diameter growth amount in the 1 st year of afforestation is not significant, and the artificial stone furrows are treated more obviously than a control (P <0.05), wherein the difference between the average plant height growth amount and the average base diameter growth amount between the two plants tends to increase year by year. In 3 rd year after afforestation, the average plant height growth amount, the average base diameter growth amount and the average single plant biomass growth amount of the tea strip seedlings subjected to the artificial stone ditch treatment are 122.6 percent, 113.8 percent, 138.6 percent, 118.7 percent, 169.8 percent and 147.0 percent of the tea strip seedlings subjected to the test treatment (outside the terrace) and the test treatment (middle the terrace), the difference between different test treatments (the test treatment (the) and the test treatment (the) at the same position is obvious (P is less than 0.05), and the effect is obvious.
Claims (9)
1. A method for improving the planting and forestation efficiency of a stony desertification area is characterized in that the forestation area is selected, after nursery stock planting is completed, stones are utilized on the spot, the nursery stock is used as the center, and an artificial stone ditch which has a certain width and a certain depth and comprises nursery stock planting rows is constructed along the row direction of the nursery stock planting, a microenvironment suitable for the nursery stock growth is built, the nursery stock growth is promoted, and the planting and forestation efficiency is improved.
2. The method as claimed in claim 1, wherein the artificial stone trench is bounded by two dikes, and wherein the dikes are constructed of stone.
3. A method as claimed in claim 2, wherein the bottom of the block is buried in the earth when the block is used to form the embankment.
4. A method as claimed in claim 3, wherein the bottom of the block is embedded in the earth to a depth of 3 to 5 cm.
5. The method as claimed in any one of claims 1 to 4, wherein the width of the artificial stone trench is 15 to 20cm and the depth is 10 to 15 cm.
6. The method as claimed in claim 5, wherein the mowers are applied to the artificial stone trench after the artificial stone trench is constructed.
7. A method as claimed in claim 6, wherein the grass is covered to a thickness of 2 to 3 cm.
8. The method of claim 6, wherein the seedlings are mowed more than 2 times a year after field planting and covered with artificial stone ditches for more than 2 consecutive years.
9. A method according to any one of claims 1 to 4 wherein the nursery stock is tea strip wood.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210545958.3A CN114731897A (en) | 2022-05-18 | 2022-05-18 | Method for improving planting and afforestation efficiency of rocky desertification area |
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| CN202210545958.3A CN114731897A (en) | 2022-05-18 | 2022-05-18 | Method for improving planting and afforestation efficiency of rocky desertification area |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110169300A (en) * | 2019-06-12 | 2019-08-27 | 广西大学 | The method of dalbergia odorifera reparation stony desertification vegetation |
| CN110999709A (en) * | 2019-12-25 | 2020-04-14 | 湖南省林业科学院 | Method for recovering vegetation in improved stony desertification soil |
| CN112544324A (en) * | 2020-12-04 | 2021-03-26 | 北京星河园林景观工程有限公司 | Ecological afforestation method suitable for semi-bare rock mountain land |
| CN113016476A (en) * | 2021-03-05 | 2021-06-25 | 王建新 | Comprehensive treatment method for slope ecological space along loess rocky mountain area |
| CN113767806A (en) * | 2021-08-28 | 2021-12-10 | 叶光志 | Karst region stony desertification land comprehensive treatment method |
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- 2022-05-18 CN CN202210545958.3A patent/CN114731897A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110169300A (en) * | 2019-06-12 | 2019-08-27 | 广西大学 | The method of dalbergia odorifera reparation stony desertification vegetation |
| CN110999709A (en) * | 2019-12-25 | 2020-04-14 | 湖南省林业科学院 | Method for recovering vegetation in improved stony desertification soil |
| CN112544324A (en) * | 2020-12-04 | 2021-03-26 | 北京星河园林景观工程有限公司 | Ecological afforestation method suitable for semi-bare rock mountain land |
| CN113016476A (en) * | 2021-03-05 | 2021-06-25 | 王建新 | Comprehensive treatment method for slope ecological space along loess rocky mountain area |
| CN113767806A (en) * | 2021-08-28 | 2021-12-10 | 叶光志 | Karst region stony desertification land comprehensive treatment method |
Non-Patent Citations (1)
| Title |
|---|
| 岳新建: "滨海石质裸露山地造林模式及初步成效", 《林业勘察设计》 * |
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