CN115191283A - Casuarina equisetifolia and acacia longifolia mixed forest afforestation method - Google Patents
Casuarina equisetifolia and acacia longifolia mixed forest afforestation method Download PDFInfo
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- CN115191283A CN115191283A CN202210760906.8A CN202210760906A CN115191283A CN 115191283 A CN115191283 A CN 115191283A CN 202210760906 A CN202210760906 A CN 202210760906A CN 115191283 A CN115191283 A CN 115191283A
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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
- A01C—PLANTING; SOWING; FERTILISING
- A01C21/00—Methods of fertilising, sowing or planting
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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
- A01G23/00—Forestry
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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
- A01G7/00—Botany in general
- A01G7/06—Treatment of growing trees or plants, e.g. for preventing decay of wood, for tingeing flowers or wood, for prolonging the life of plants
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B13/00—Fertilisers produced by pyrogenic processes from phosphatic materials
- C05B13/02—Fertilisers produced by pyrogenic processes from phosphatic materials from rock phosphates
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G5/00—Fertilisers characterised by their form
- C05G5/20—Liquid fertilisers
- C05G5/27—Dispersions, e.g. suspensions or emulsions
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/22—Improving land use; Improving water use or availability; Controlling erosion
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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
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- Biodiversity & Conservation Biology (AREA)
- Forests & Forestry (AREA)
- Organic Chemistry (AREA)
- Botany (AREA)
- Soil Sciences (AREA)
- Dispersion Chemistry (AREA)
- Pest Control & Pesticides (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
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Abstract
The invention discloses a casuarina equisetifolia and big leaf acacia confuse forest planting method, which is characterized by comprising the following steps: the method comprises the following five steps. The invention relates to a casuarina equisetifolia and acacia longifolia mixed forest afforestation method which comprises the following steps: the root system of the casuarina equisetifolia seedling is dipped in yellow mud, a plastic film under a big leaf acacia container bag is torn, the root system of the seedling can absorb moisture and nutrition of soil in time after afforestation, the root system stretching is accelerated, weeding is carried out on a mixed forest land in time, the growth of the young tree can be promoted after weeding, the forest stand growth amount can be improved, the closing of the forest stand can be advanced, weeding is carried out for 2 times every year, fertilization is carried out after weeding every year, small holes are dug at a position 20cm away from the tree for fertilization, 0.2kg of urea and 0.3kg of compound fertilizer are applied in each hole in the second year, 0.2kg of urea and 0.2kg of compound fertilizer are applied in each hole in the third year, 0.2kg of urea and 0.3kg of compound fertilizer are applied in each hole in the third year, the fertilizer is covered with fine soil after each fertilization, the fertilizer evaporation can be avoided, the growth of the young tree is not influenced, and the growth effect of the young tree is effectively improved.
Description
Technical Field
The invention relates to the technical field of afforestation, in particular to an casuarina equisetifolia and acacia longifolia mixed forest afforestation method.
Background
The mixed forest is a forest consisting of two or more than two trees, conventionally, the number of plants, cross-sectional area or volume of other mixed trees except the main trees is not less than 20%, the mixed forest can form a forest stand structure with multiple layers or a canopy thickness, and has an important effect on improving the protection efficiency and stability.
The current in-process of mixing and handing over afforestation, it is comparatively general to foster the effect to the seedling, can not be better manage the afforestation initial stage of seedling, make after the afforestation nursery stock root system can not in time absorb the moisture and the nutrition of soil, the root system extends slower when easy, leads to the slow condition of growth, does not have better fertilization effect at the in-process that the mixing and handing over afforestation grows simultaneously, influences the growth of young trees at later stage easily, has reduced afforestation efficiency.
Disclosure of Invention
The invention aims to provide a casuarina equisetifolia and acacia longifolia mixed forest afforestation method to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a casuarina equisetifolia and acacia gigantea mixed forest afforestation method is characterized in that: the method comprises the following five steps:
the method comprises the following steps: selecting nursery stocks of casuarina equisetifolia and abrus macrophyllus according to the requirement of mixed-hybridization afforestation, wherein the ratio of casuarina equisetifolia to abrus macrophyllus is 1: 3, the mixed-hybridization mode is row-shaped mixed hybridization, and before afforestation, root systems of the nursery stocks of the casuarina equisetifolia are dipped in yellow mud;
step two: before mixed hybridization afforestation, hole reclamation and land preparation are required, 3kg of soil and miscellaneous fertilizer is applied to each hole, soil dressing is placed in each hole, and a calcium magnesium phosphate fertilizer is added to be uniformly stirred and fermented in a certain period, wherein the soil dressing is 23kg, the calcium magnesium phosphate fertilizer is 0.3kg, and the afforestation row is 2m multiplied by 2m;
step three: managing young trees, weeding in time on a mixed forest land, promoting the growth of young trees after weeding, improving the growth amount of forest stands, closing trees in advance, weeding 2 times each year, generally weeding 50-100 cm by hole expanding, weeding 4-9 cm by shallow hoe, weeding 1 time in 4 months and 5 months, weeding 1 time in 8 months and 9 months, continuously weeding 3 times, fertilizing after weeding each year, and fertilizing 2 times each year;
step four: after the forestation, continuous tending is carried out, the forestation needs to be subjected to the measurement of the breast diameter, the tree height, the crown width and the accumulation of trees, the survival rate and the growth amount are investigated, the preservation rate and the growth amount are investigated year by year, and the bacterial wilt hazard condition is investigated;
step five: and the fertility indexes of the mixed forest land such as the PH value of soil, organic matters, the volume weight of soil, the total amount of N, P, K, the quick-acting content of N, P, K and the like are measured and compared.
Further, the selected casuarina equisetifolia is a superior tree clone water-cutting seedling, the seedling is transplanted in an in-canal nutrition bag after being cut out of roots by small branch water, the seedling is cultivated until the height of the seedling is 43cm and the diameter of the seedling is 0.5cm, the big leaf acacia is selected as a seedling nutrition bag seedling, the seedling age is 7 months, the height of the seedling is 24cm and the diameter of the seedling is 0.4cm.
Further, the afforestation environment is in a cloudy day after raining, afforestation is started when the soil is wet, yellow mud is prepared by uniformly stirring 94% of yellow red soil, 6% of buffalo fresh excrement and 1.5% of calcium, magnesium and phosphorus, and then adding water, a plastic film under a big leaf acacia container bag is torn, the root system of the nursery stock after afforestation can absorb moisture and nutrition of the soil in time, the root system stretching is accelerated, the nursery stock is placed in a hole to be righted during afforestation, then the soil is filled in layers, the soil is compacted by treading with double feet, and the loose soil on the surface of the hole is piled into a bread shape, so that the survival rate of the nursery stock in afforestation is improved.
Furthermore, the hole opening specification is 50cm multiplied by 35cm, small holes are dug at the position 20cm away from the trees for fertilization during fertilization, 0.2kg of urea and 0.3kg of compound fertilizer are applied in each hole in the second year, 0.2kg of urea and 0.2kg of compound fertilizer are applied in each hole in the third year, 0.2kg of urea and 0.3kg of compound fertilizer are applied in each hole in the third year, and fine soil is covered on the fertilizers after each fertilization, so that the evaporation of the fertilizers can be avoided, and the growth of young trees is not influenced.
Further, during investigation, a three-cup wind direction anemoscope is used for measuring the wind speed outside the mixed forest in an open area and in the mixed forest, the test frequency is 10, soil fertility indexes are investigated in the soil of the casuarina equisetifolia and the acacia longifolia mixed forest, 6 soil sections are dug out according to the shape of a Chinese character pin, the depth is 45cm, 3 soil samples are selected, other investigation sections are reference comparison samples, the soil thickness, the soil texture and the structure are recorded according to the investigation sections, then, layered sampling is carried out by a cutting ring, namely, the soil thickness is one layer from 0cm to 15cm, the soil thickness is one layer from 20cm to 35cm, wet soil in the cutting ring is rapidly filled into an aluminum box and is taken back to the room, and the physical property and the chemical property of the soil moisture are measured according to a conventional method.
Compared with the prior art, the invention has the beneficial effects that: the method for afforestation by mixing casuarina equisetifolia and acacia macrophylla comprises the steps of dipping root systems of casuarina equisetifolia seedlings in yellow mud before afforestation in a cloudy day after raining, uniformly stirring the root systems of the casuarina equisetifolia seedlings with 94% of yellow red soil, 6% of buffalo fresh excrement and 1.5% of calcium, magnesium and phosphorus, adding water to prepare the yellow mud, tearing a plastic film under a casketed caskets, absorbing water and nutrition of soil in time after the afforestation, accelerating the root system extension, righting the seedlings in holes during the afforestation, filling soil in layers, treading with two feet, loosening and heaps the hole surfaces into a bread shape, improving the survival rate of the seedlings, weeding in time on a mixed forest land, promoting the growth of young trees after weeding, improving the growth of forest stand growth, closing and expanding the trees, weeding 2 times in advance, weeding 50-100 cm in general, hoeing in a shallow depth of 4-9 cm, weeding 4-5 months, 1-5 months, applying urea in a continuous fertilization interval of 0.0.0.0.0.0.0 kg of urea and applying a compound fertilizer in a 0.0.0.0.0.0.0 kg of a third month after raining each year, and preventing the growth of urea in a third year.
Drawings
FIG. 1 is a schematic flow chart of the method for forestation of mingled forests.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
Referring to fig. 1, an embodiment of the present invention: a casuarina equisetifolia and acacia gigantea mixed forest afforestation method is characterized in that: the method comprises the following five steps:
the method comprises the following steps: selecting nursery stocks of casuarina equisetifolia and acacia macrophylla according to the requirement of mixed forestation, wherein the ratio of casuarina equisetifolia to acacia macrophylla is 1: 3, the mixed mode is row mixed mode, and before forestation, root systems of nursery stocks of casuarina equisetifolia are dipped in yellow mud;
step two: before mixed hybridization afforestation, hole reclamation and land preparation are required, 3kg of miscellaneous fertilizers are applied to each hole, soil replacement and calcium magnesium phosphate fertilizer are added into the holes to be uniformly stirred, and fermentation is carried out at a certain period, wherein the soil replacement is 23kg, the calcium magnesium phosphate fertilizer is 0.3kg, and the afforestation row is 2m multiplied by 2m;
step three: managing young trees, weeding in time on a mixed forest land, promoting the growth of young trees after weeding to improve the growth amount of forest stand, closing the forest stand in advance, weeding 2 times each year, generally weeding 50-100 cm by expanding holes, weeding 4-9 cm by shallow hoes, weeding 1 time in 4 months and 5 months, weeding 1 time in 8 months and 9 months, continuously weeding 3 times, fertilizing after weeding each year, and fertilizing 2 times each year;
step four: after the forestation, continuous tending is carried out, the forestation needs to be subjected to the measurement of the breast diameter, the tree height, the crown width and the accumulation of trees, the survival rate and the growth amount are investigated, the preservation rate and the growth amount are investigated year by year, and the bacterial wilt hazard condition is investigated;
step five: and the fertility indexes of the mixed forest land such as the PH value of soil, organic matters, the volume weight of soil, the total amount of N, P, K, the quick-acting content of N, P, K and the like are measured and compared.
Further, the selected casuarina equisetifolia is a superior tree clone water-cutting seedling, the seedling is transplanted in an in-canal culture bag after being cut out of roots by small branch water, the seedling is cultivated until the height of the seedling is 43cm and the diameter of the seedling is 0.5cm, the big leaf acacia is selected as a seedling culture bag seedling, the seedling age is 7 months, the height of the seedling is 24cm and the diameter of the seedling is 0.4cm.
Further, the afforestation environment is a cloudy day after raining, afforestation is started while the soil is wet, yellow mud is prepared by uniformly stirring 94% of yellow red soil, 6% of buffalo fresh excrement and 1.5% of calcium, magnesium and phosphorus, and then adding water, the plastic film under the big leaf acacia container bag is torn, the root system of the nursery stock after afforestation can absorb moisture and nutrition of the soil in time, the extension of the root system is accelerated, the nursery stock is placed in a hole to be righted during afforestation, then the soil is filled in layers, the two feet are used for treading, and the loose soil on the surface of the hole is piled into a bread shape, so that the survival rate of the nursery stock in afforestation is improved.
Furthermore, the hole opening specification is 50cm multiplied by 35cm, small holes are dug at the position 20cm away from the tree for fertilization during fertilization, 0.2kg of urea and 0.3kg of compound fertilizer are applied in each hole in the second year, 0.2kg of urea and 0.2kg of compound fertilizer are applied in each hole in the third year, 0.2kg of urea and 0.3kg of compound fertilizer are applied in each hole in the third year, and fine soil is covered on the fertilizer after fertilization, so that fertilizer evaporation can be avoided, and growth of young trees is not influenced.
Further, a three-cup wind direction anemoscope is used for measuring the wind speed outside the mixed forest and in the mixed forest for 10 times, soil fertility indexes are measured in the soil of the casuarina equisetifolia and the abrus macrophyllus mixed forest, 6 soil sections are dug out according to the shape of a Chinese character pin, the depth is 45cm, 3 soil samples are selected, other investigation sections are reference comparison samples, the soil thickness, the soil texture and the structure are recorded according to the investigation sections, then layered sampling is carried out by a cutting ring, namely, one layer is 0-15 cm, and one layer is 20-35 cm, wet soil in the cutting ring is rapidly filled into an aluminum box and is brought back to the room, and the physical property and the chemical property of the soil moisture are measured according to a conventional method.
Example 2
The afforestation environment is that after raining, on a cloudy day, afforestation is started when soil is wet, before afforestation, roots of casuarina equisetifolia seedlings are dipped in yellow slurry, the yellow slurry is prepared by uniformly stirring 94% of yellow red soil, 6% of buffalo fresh excrement and 1.5% of calcium, magnesium and phosphorus, and then adding water, a plastic film under a bag of a casuarina equisetifolia container is torn, the roots of the seedlings can absorb moisture and nutrition of the soil in time after the afforestation, the extension of the roots is accelerated, the seedlings need to be placed in holes for righting during the afforestation, then the soil is filled in layers, two feet are used for treading, the holes are loosened and piled into a bread shape, the survival rate of the seedling afforestation can be improved, meanwhile, weeding is performed on mixed forestation lands in time, the growth of the seedlings can be promoted after weeding, and the growth of the forest can be improved, the weeding method has the advantages that closure can be advanced, weeding is carried out for 2 times per year, hole expanding weeding is generally carried out for 50-100 cm, shallow weeding is carried out for 4-9 cm, weeding is carried out for 1 time in 4 months and 5 months, weeding is carried out for 1 time in 8 months and 9 months, weeding is carried out for 3 times continuously, fertilization is carried out after weeding is carried out for 2 times per year, small hole fertilization is dug at a position 20cm away from a tree during fertilization, 0.2kg of urea and 0.3kg of compound fertilizer are applied to each hole every time in the second year, 0.2kg of urea and 0.2kg of compound fertilizer are applied to each hole every time in the third year, fine soil is used for covering the fertilizer after each fertilization, fertilizer evaporation can be avoided, growth of young trees is influenced, and growth effect is effectively avoided.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (5)
1. A casuarina equisetifolia and acacia longifolia mixed forest afforestation method is characterized in that: the method comprises the following five steps:
the method comprises the following steps: selecting nursery stocks of casuarina equisetifolia and abrus macrophyllus according to the requirement of mixed-hybridization afforestation, wherein the ratio of casuarina equisetifolia to abrus macrophyllus is 1: 3, the mixed-hybridization mode is row-shaped mixed hybridization, and before afforestation, root systems of the nursery stocks of the casuarina equisetifolia are dipped in yellow mud;
step two: before mixed hybridization afforestation, hole reclamation and land preparation are required, 3kg of soil and miscellaneous fertilizer is applied to each hole, soil dressing is placed in each hole, and a calcium magnesium phosphate fertilizer is added to be uniformly stirred and fermented in a certain period, wherein the soil dressing is 23kg, the calcium magnesium phosphate fertilizer is 0.3kg, and the afforestation row is 2m multiplied by 2m;
step three: managing young trees, weeding in time on a mixed forest land, promoting the growth of young trees after weeding, improving the growth amount of forest stands, closing trees in advance, weeding 2 times each year, generally weeding 50-100 cm by hole expanding, weeding 4-9 cm by shallow hoe, weeding 1 time in 4 months and 5 months, weeding 1 time in 8 months and 9 months, continuously weeding 3 times, fertilizing after weeding each year, and fertilizing 2 times each year;
step four: after afforestation, continuous tending is carried out, the breast diameter, the tree height, the crown width and the accumulation of trees need to be measured, the survival rate and the growth amount need to be investigated, the preservation rate and the growth amount need to be investigated year by year, and the bacterial wilt harm condition needs to be investigated;
step five: and the fertility indexes of the mixed forest land such as the PH value of soil, organic matters, the volume weight of soil, the total amount of N, P, K, the quick-acting content of N, P, K and the like are measured and compared.
2. The casuarina equisetifolia + acacia confusa forestation method according to claim 1, characterized in that: the selected casuarina equisetifolia is a superior tree clone water-cutting seedling, a seedling is transplanted in a tube-culture bag after being cut out of roots by small branch water, the seedling is cultivated until the height of the seedling is 43cm and the diameter of the seedling is 0.5cm, acacia longifolia is selected as a seedling-culture bag seedling, the seedling age is 7 months, the height of the seedling is 24cm and the diameter of the seedling is 0.4cm.
3. The casuarina equisetifolia + acacia confusa forestation method according to claim 1, characterized in that: the afforestation environment is in a cloudy day after raining, afforestation is started when the afforestation environment is wet with soil, yellow mud is prepared by uniformly stirring 94% of yellow red soil, 6% of buffalo fresh excrement and 1.5% of calcium, magnesium and phosphorus, and then adding water, a plastic film under a big leaf acacia container bag is torn, the root system of a nursery stock after afforestation can absorb moisture and nutrition of the soil in time, the root system stretching is accelerated, the nursery stock is placed in a hole to be righted during afforestation, then the soil is filled layer by layer, the soil is compacted by treading with two feet, and loose soil on the surface of the hole is piled into a bread shape, so that the survival rate of the nursery stock in afforestation is improved.
4. The casuarina equisetifolia + acacia confusa forestation method according to claim 1, characterized in that: the hole opening specification is 50cm multiplied by 35cm, small holes are dug at the position 20cm away from the trees for fertilization during fertilization, 0.2kg of urea and 0.3kg of compound fertilizer are fertilized every hole in the second year, 0.2kg of urea and 0.2kg of compound fertilizer are fertilized every hole in the third year, 0.2kg of urea and 0.3kg of compound fertilizer are fertilized every hole in the third year, and fine soil is covered on the fertilizer after fertilization, so that the fertilizer evaporation can be avoided, and the growth of young trees is not influenced.
5. The casuarina equisetifolia + acacia confusa forestation method according to claim 1, characterized in that: during investigation, a three-cup wind direction anemoscope is used for measuring the wind speed outside the mixed forest in an open area and in the mixed forest, the test frequency is 10, soil fertility indexes are investigated in the mixed forest land of casuarina equisetifolia and abrus macrophyllus, 6 soil sections are dug out according to the shape of Chinese character pin, the depth is 45cm, 3 are selected as samples, other investigation sections are reference comparison samples, the soil thickness, the soil texture and the structure are recorded according to the investigation sections, then, layered sampling is carried out by a cutting ring, namely, the soil in the cutting ring is placed into an aluminum box, the soil is brought back to the room, and the physical property and the chemical property of the soil moisture are measured according to a conventional method, wherein the soil thickness is 0-15 cm, the soil texture is 20-35 cm, and the wet soil in the cutting ring is placed into the aluminum box.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116369192A (en) * | 2023-02-24 | 2023-07-04 | 中国科学院华南植物园 | Method for quickly constructing acacia pure forest mixing |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116369192A (en) * | 2023-02-24 | 2023-07-04 | 中国科学院华南植物园 | Method for quickly constructing acacia pure forest mixing |
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