CN108450225A - A method of improving karst indigenous tree habitat - Google Patents
A method of improving karst indigenous tree habitat Download PDFInfo
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- CN108450225A CN108450225A CN201810306627.8A CN201810306627A CN108450225A CN 108450225 A CN108450225 A CN 108450225A CN 201810306627 A CN201810306627 A CN 201810306627A CN 108450225 A CN108450225 A CN 108450225A
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- soil
- dog bone
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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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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Soil Sciences (AREA)
- Botany (AREA)
- Cultivation Of Plants (AREA)
Abstract
The invention discloses a kind of method in improvement karst indigenous tree habitat, step is：（1）Soil total amount increases：Retaining wall is assembled around the ebon strain of dog bone, builds the microhabitat of dog bone wood suitable growth；（2）Soil management method：The intersection of the trunk and root of dog bone wood is covered in weeds or Litter-fall, covering is buried in the earth by annual autumn, then covers new weeds；Cyclic annular, radial Tu Gou is outputed around tree, is placed soil and water conservation agent composition in the undergrounds Tu Gou, decomposed compost, sludge or other fertilizer is placed above, other age of stand trees do not have to fertilising, topmost cover weeds or Litter-fall.（3）Legume is interplanted：Soya bean, peanut legume are interplanted in dog bone wood hayashishita line-spacing, increases Soil Nitrogen Content using plant fixed nitrogen.Method strong operability, significant effect have broad application prospects, and the Karst vegetation that can be generally suitable for partial habitat condition difference restores region.
Description
Technical field
The present invention relates to plant resources utilization technical fields, are more particularly to a kind of Karst vegetation recovery pioneer-
The method that dog bone wood partial habitat improves, is particularly suitable for karst peak cluster depression region.
Background technology
Southwestern China Karst Regional soil layer is shallow, the exposed rate of rock is high, and soil nutrient content is high but total amount is few, and because of rock
The permeability of stone is strong and soil water retention is poor, and there are apparent drought stresses and nutrient to limit for karst environment, revegetation
It is difficult.Meanwhile being herded, being cut firewood by artificially etc. and influence, early development is good evergreen in Deciduous Broad Leaved Mixed Forest and part
It is current scondary forest and Inertial coupling that Seasonal Rain Forest, which has largely been degenerated, or even some have been degenerated for Karst rocky desertification landscape, sternly
Threaten the ecological safety of Upper Reaches of Pearl River again.
Karst vegetation recovery is the effective means of ecological reconstruction, and local Native species and the external rank vegetation are by Ministry of Forestry
Door and stony desertification comprehensive treatment mechanism are planted extensively, also result in the strong interest of related scientific research worker.Because most of plant
Object is anxious the strong habitat of soil moisture and nutrient special heterogeneity or slow-growing, competitiveness be weak or survival rate is low, easy death
Revegetation speed need to be improved or accelerated by suitable regulation measure.
Dog bone wooden (Cornus wisoniana) is the indigenous tree of karst peak cluster depression, the table in revegetation application
Reveal good annidation, but growth rate is shown as in soil is shallow, total nutrient content is low and arid partial habitat
Phenomena such as low, stunted tree, affect the stability of karst Gou Gu wood plants group.
Invention content
The purpose of the present invention is asked for Karst Regional dog bone wood is slow-growing in scarce soil, leak, arid habitat
Topic is to be to propose a kind of method in improvement karst indigenous tree habitat, improves root system surrounding soil, moisture and nutrient
Condition, improve the growth rate of species, this method operability is strong, and significant effect has broad application prospects, can be general
Restore region all over the Karst vegetation for being suitable for partial habitat condition difference, and extensive for accelerating vulnerable Karst ecosystem vegetation
Multiple and succession is of great significance.
In order to achieve the above purpose, the present invention uses following technical scheme：
A method of improving karst indigenous tree habitat, carries out according to the following steps：
(1) soil total amount increases：It exactly surrounds dog bone ebon 1~3 meter of diameter of strain and assembles retaining wall, wall is high by 0.3~0.5
Rice improves karst area soil nutrient total amount and water conservation, fertilizer-preserving ability with this, and construction is suitable for the micro- of dog bone wood suitable growth
Habitat；
(2) soil management method：The tree of dog bone wood is covered in 1~2 kilogram of weeds (beggar-ticks, cogongrass etc.) or Litter-fall
Within the scope of dry 0.4 meter of the intersection with root, covering is buried in the earth (3-5 centimetres) by annual autumn, then cover new weeds or
Litter-fall keeps soil moisture to reduce to evaporate；Cyclic annular, radial Tu Gou is outputed (within the scope of tree crown) around tree, it is deep
0.2~0.3 meter, 0.2-0.4 meters of width, it is 1 that weight proportion is placed at 0.1 meter of undergrounds Tu Gou：10-20 soil and water-retaining agent (starch
Grafted propylene Barbiturates) mixture, 0.1 meter to being placed above decomposed ox, pig animal wastes compost (60-70%) and chemistry
Fertilizer (30-40%, ammonium sulfate, ammonium nitrate, NPK mixed fertilizer are therein any), wherein treelet with nitrogenous fertilizer (ammonium sulfate,
Ammonium nitrate etc. is one such) based on, middle age tree is with composite fertilizer (NPK mixed fertilizer, N:P2O5:K2O ratios are about 12:15:
12) based on, other age of stand trees do not have to fertilising, topmost cover weeds or Litter-fall.
The nitrogenous fertilizer is the chemical fertilizer containing crop nutrient nitrogen.Elemental nitrogen plays very important work to plant growth
With it is the component part of plant vivo acid, is ingredient and the plant progress photosynthesis decision for constituting protein
The component part of the chlorophyll of effect.Nitrogen can also help crop point to grow, and applied nitrogen can not only improve the yield of agricultural product, moreover it is possible to
Improve the quality of agricultural product.
(3) legume is interplanted：The legumes such as soya bean, peanut are interplanted by 30~40cm line-spacings in dog bone wood hayashishita, with
It makes full use of plant fixed nitrogen to increase Soil Nitrogen Content, increases Soil Nitrogen Content and total amount, provided for the growth of indigenous tree
Sufficient nitrogen nutrition reduces the cost about 10% or so of artificially applying fertilizer.
By abovementioned technology, the 2nd step is the most key, mainly solves soil in karst indigenous tree habitat
Moisture evaporation fast (weeds and Litter-fall covering methods), soil moisture leakage (water-retaining agent measure) and soil nutrient insufficient total amount
The problem of (soil application measure), realizes the growing way that artificial adjustment improves indigenous tree, accelerates Karst vegetation recovery.Extensively
The Field observational experiment of the counties Xi Huanjiang and Fengshan County shows that compared with the not control group of artificial adjustment, measure one can improve
Biennial dog bone wood year increment (indicates) that 0.2cm or so, measure two can improve biennial dog bone wood year increment with the diameter of a cross-section of a tree trunk 1.3 meters above the ground
(being indicated with the diameter of a cross-section of a tree trunk 1.3 meters above the ground) 0.6cm-0.8cm, measure three can reduce nitrogen application expense 30-50 members/mu/year, and can increase year
Take in 352-407 members/mu.This technology is compared with prior art, easy to operate, and habitat improvement implementation result is good, ecology and economy
The benefit duration is long, is suitble to promote and apply in the vegetation recovery engineering of karst.
Compared with prior art, the present invention haing the following advantages and effect：
The present invention by assemble shield soil, Litter-fall covering, fertilising, legume interplanting the methods of increase soil nutrient it is total
Amount reduces evaporation, soil moisture is kept to finally reach the purpose (being shown in Table 1) for improving local microhabitat, promoting indigenous plant growth,
Method operability is strong, and significant effect has broad application prospects, and extensive for accelerating vulnerable Karst ecosystem vegetation
Multiple and succession is of great significance.
The influence in table 1 Improving Measurements pair 2 years raw dog bone habitats and growth
Specific implementation mode
Embodiment 1：
A method of improving the fast-growth that local soil condition accelerates dog bone wood, carries out according to the following steps：
(1) soil total amount increases：It exactly surrounds dog bone ebon strain diameter 1 or 1.5 or 2 or 2.6 or 3 meters assembles retaining wall,
Wall is 0.3 or 0.4 or 0.5 meter high, improves karst area soil nutrient total amount with this and water conservation, fertilizer-preserving ability, construction are suitable for
The microhabitat of dog bone wood suitable growth；
(2) soil management method：The friendship of the trunk and root of dog bone wood is covered in 1 or 1.5 or 2 kilogram of weeds or Litter-fall
At boundary within the scope of 0.4 meter, covering is buried in the earth by annual autumn, then covers new weeds or Litter-fall, is protected with reducing evaporation
Hold soil moisture；Output cyclic annular, radial Tu Gou (within the scope of tree crown) around tree, it is 0.2 or 0.3 meter deep, wide 0.2 or
0.3 or 0.4 meter, 1 is placed at 0.1 meter of undergrounds Tu Gou：The soil of 10-20 and starch grafted acrylate class 0.7 or 0.8 or 0.9
Or 1 or 1.2 kilogram of (water-retaining agent) mixture, 0.1 meter to being placed above decomposed compost, sludge or other fertilizer, wherein treelet
Based on nitrogenous fertilizer (ammonium sulfate or ammonium nitrate are one such), middle age tree is with composite fertilizer (N:P2O5:K2O ratios are about 12:15:
12) based on, other trees do not have to fertilising, topmost cover weeds or Litter-fall.
(3) legume is interplanted：In dog bone wood hayashishita by the pulse families such as 30 or 34 or 37 or 40cm line-spacings interplanting soya bean, peanut
Plant, to make full use of plant fixed nitrogen to increase Soil Nitrogen Content.
Above 3 technical measures mainly solve in karst indigenous tree habitat that soil water evaporation is fast (weeds and to wither
Junk covering methods), soil moisture leakage (water-retaining agent measure) and the problem of soil nutrient insufficient total amount (soil application measure),
It improves 2 years raw dog bone wood year increments and (indicates) 0.8cm or so with the diameter of a cross-section of a tree trunk 1.3 meters above the ground, reduce the expense 30-50 members/mu that applies fertilizer in year, and can be with
Increase income 352-407 members/mu.This technology is compared with prior art, easy to operate, habitat improve implementation result it is good, ecology and
The economic benefit duration is long, is suitble to promote and apply in the vegetation recovery engineering of karst.
Claims (1)
1. a kind of method improving karst indigenous tree habitat, step are：
（1）Soil total amount increases：Retaining wall is assembled around dog bone ebon 1-3 meters of diameter of strain, wall is 0.3-0.5 meters high, improves noise made in coughing or vomiting
Specially area's soil nutrient total amount and water conservation, fertilizer conservation, construction are suitable for the microhabitat of dog bone wood growth for this；
（2）Soil management method：0.4 meter of the intersection of the trunk and root of dog bone wood is covered in 1-2 kilograms of weeds or Litter-fall
In range, covering is buried in the earth by annual autumn, then covers new weeds or Litter-fall, is reduced evaporation and is kept soil moisture；
Output cyclic annular, radial Tu Gou around tree, 0.2-0.3 meters deep, 0.2-0.4 meters of width is put at 0.1 meter of undergrounds Tu Gou
It is 1 to set weight proportion：The mixture of 10-20 soil and water-retaining agent, 0.1 meter to being placed above decomposed ox, pig animal wastes compost
With nitrogenous fertilizer, middle age tree with composite fertilizer, other age of stand trees do not have to fertilising by 60-70% and chemical fertilizer 30-40%, wherein treelet, on
Face covers weeds or Litter-fall；
（3）Legume is interplanted：It is solid using plant in dog bone wood hayashishita by 30 ~ 40cm line-spacings interplanting soya bean, peanut legume
Nitrogen increases Soil Nitrogen Content；
The chemical fertilizer is that ammonium sulfate, ammonium nitrate, NPK mixed fertilizer are therein any；
The water-retaining agent is starch grafted acrylate class；
The nitrogenous fertilizer is that ammonium sulfate or ammonium nitrate are one such.
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| CN201810306627.8A CN108450225A (en) | 2018-04-08 | 2018-04-08 | A method of improving karst indigenous tree habitat |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109315117A (en) * | 2018-10-23 | 2019-02-12 | 贵州师范大学 | One kind spreading fertilizer over the fields method for Karst region bloompepper forest organic fertilizer |
| CN109769571A (en) * | 2019-03-19 | 2019-05-21 | 中国林业科学研究院热带林业实验中心 | It take nitrogen fixing tree as the Reconstruction of Karst Mountain Areas method for recovering vegetation of driving kind |
| CN109804915A (en) * | 2019-03-05 | 2019-05-28 | 湖北红杏生态环境科技有限公司 | A kind of wall greening method |
| CN111615981A (en) * | 2020-05-11 | 2020-09-04 | 中国科学院亚热带农业生态研究所 | Method for improving yield of karst forage grass by introducing amorpha fruticosa |
| CN112365137A (en) * | 2020-10-28 | 2021-02-12 | 贵州大学 | Method for measuring karst habitat level heterogeneity based on microbial environment types |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109315117A (en) * | 2018-10-23 | 2019-02-12 | 贵州师范大学 | One kind spreading fertilizer over the fields method for Karst region bloompepper forest organic fertilizer |
| CN109315117B (en) * | 2018-10-23 | 2020-10-09 | 贵州师范大学 | Organic fertilizer broadcasting method for zanthoxylum bungeanum forest in karst region |
| CN109804915A (en) * | 2019-03-05 | 2019-05-28 | 湖北红杏生态环境科技有限公司 | A kind of wall greening method |
| CN109769571A (en) * | 2019-03-19 | 2019-05-21 | 中国林业科学研究院热带林业实验中心 | It take nitrogen fixing tree as the Reconstruction of Karst Mountain Areas method for recovering vegetation of driving kind |
| CN111615981A (en) * | 2020-05-11 | 2020-09-04 | 中国科学院亚热带农业生态研究所 | Method for improving yield of karst forage grass by introducing amorpha fruticosa |
| CN112365137A (en) * | 2020-10-28 | 2021-02-12 | 贵州大学 | Method for measuring karst habitat level heterogeneity based on microbial environment types |
| CN112365137B (en) * | 2020-10-28 | 2022-03-29 | 贵州大学 | Method for measuring karst habitat level heterogeneity based on microbial environment types |
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