CN105638361A - Method for storing, holding and utilizing rainwater during tree planting - Google Patents
Method for storing, holding and utilizing rainwater during tree planting Download PDFInfo
- Publication number
- CN105638361A CN105638361A CN201610061183.7A CN201610061183A CN105638361A CN 105638361 A CN105638361 A CN 105638361A CN 201610061183 A CN201610061183 A CN 201610061183A CN 105638361 A CN105638361 A CN 105638361A
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- Prior art keywords
- water
- tree
- plant pit
- trees
- retaining agent
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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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- 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
- A01G25/00—Watering gardens, fields, sports grounds or the like
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
- E03B3/02—Methods or installations for obtaining or collecting drinking water or tap water from rain-water
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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
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/108—Rainwater harvesting
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental Sciences (AREA)
- Water Supply & Treatment (AREA)
- Mechanical Engineering (AREA)
- Soil Sciences (AREA)
- Botany (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Cultivation Of Plants (AREA)
Abstract
The invention relates to a method for storing, holding and utilizing rainwater during tree planting. The method comprises the following steps that 1, a plant pit is dug, wherein after a tree is planted, the tree serves as a central point, 8-10 times of the tree diameter servers as the radius to dig the tree pit, and the depth of the tree pit ranges from 15 cm to 20 cm; 2, drilling is conducted at the portion near the edge of the tree pit, wherein the hole diameter ranges from 8 cm to 10 cm, the hole depth of arbor is 70 cm from the ground, and the hole depth of a shrub is 50 cm from the ground; 3, water-retaining agent filling is conducted, wherein a water-retaining agent is mixed with dug soil to be uniform, holes are filled with the mixture, and the adding amount is 0.1%-0.2% of the weight of backfilled soil; 4, conventional maintenance management is conducted. According to the method for storing, holding and utilizing the rainwater during tree planting, in the planting project, after operation is completed, a concave greenbelt is formed naturally, the requirement of 'sponge city construction guidelines' is met, the source is controlled, impacting is low, dispersity is good, the cost is low, and the operation is completed in one time.
Description
Technical field
The present invention relates to a kind of in urban construction greenery patches dissolve and utilize a kind of park maintenance technology of rainwater, be specifically related to one and can carry out up concave type plant pit when planting trees on the spot, naturally store the defaulted rainwater that utilizes, the method for fresh-water-saving resource.
Background technology
Continuous quickening along with urbanization process, urban population sharply increases, urban architecture area expands rapidly, city underlying surface is more and more covered by cement, Colophonium, which results in the increase of city especially inner city Permeable stratum area, and then ooze under obstruction rainwater, surface runoff coefficient is made to increase, shorten the flood peak concentration time, increase peak flow, sewerage system and infrastructure are all caused serious threat.
In current city waterproof mat formation cause city rainfall runoff amount big, rainwater can not fully be received by underlying surface and soil of greenbelt, store stagnant, infiltration, purify, pour off in vain or be discharged to bilge well and slattern, for this, propose to build sponge city, follow the instruction practising chairman, rainwater must be allowed " naturally to accumulate, naturally osmotic, self-purification ", according to the guide living the sponge urban construction that the portion of building issues, according to low impact, source sequestering and small-scale principle, we are on the natural spongy body in built greenery patches, city, coordinate the relation of plant nutrient and ventilative etc. demand and soil water storage water conservation, all by accumulation and utilize rainwater to greatest extent from room and time, alleviate and waste because heavy rain impacts formation runoff pressure and rainwater to Urban Waterlogging, also make soil maximum limit store rainwater simultaneously, retain hygroscopic water, infiltration gravitational water, reduce green land irrigation and have the consumption to fresh water, it is effectively facilitated the healthy growth of plant, play the ecological benefits that greenery patches is best.
And city drought hydropenia phenomenon, it is due in urban development process, long-standing neglect environmental carrying capacity, artificially to break the balance of municipal water, form serious environmental hydropenia, this water-shortage cities is few with precipitation, and evaporation capacity is principal character greatly. North China of China is the Typical Representative of such hydropenia, and precipitation is few, but water for industrial use, domestic water intensity are big.According to living the portion's of building statistics, in 657 cities, the whole nation, there are more than 300 cities to belong to the United Nations human settlement and affix one's name to " serious water shortage " and " hydropenia " rank of evaluation criterion. The statistical data of Ministry of Water Resources shows, has 30 impacts being subject to hydropenia for a long time in megalopolis more than 32 a population of one millions. Predicting according to Ministry of Water Resources, the year two thousand thirty China's water resource of per capita will only have 1750 cubic metres. Under taking into full account Water-saving, estimate that water total amount is 7,000 hundred million to 8000 billion cubic meters, thus requiring water supply capacity than increasing by 1,300 hundred million to 2300 billion cubic meters at present, the actual Available water resources amount in the whole nation is close to the Appropriate application water yield upper limit, and water resources development will face big challenge. Conventional greenery patches is safeguarded and to be watered fresh water, which consumes freshwater resources, how to utilize rainwater fresh-water-saving, is that a urgent need to solve problem.
The present invention is by digging plant pit when planting trees, allow it be detained to greatest extent and store rainwater, promote the coordinated development of root system of plant and plant canopy, improve urban green space nature spongy body function, define and dredge the Trinitarian solid of root system of plant being seeped into prosperity receive the system of digestion rainwater from dense plant canopy, loose unobstructed table soil, promoting that plant health growth plays good ecological benefits.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art, it is provided that a kind of trees of planting store the defaulted method utilizing rainwater. The inventive method includes park suitable in urban green space type, produce green area for environmental pro tection, residential green space, the green channel etc. of scenic spot and suburbs forest, can be also used in orchard or forest land, the place of every trees of planting, the plant pit of a sunk type picture " pot " is dug when planting trees, just can directly receive rainwater, get through again underground tree root and air Zhong Shui, heat, the interchange channel of gas, make its plant pit naturally fully absorb and utilize rainwater, supply plant growing, had both reduced rainfall runoff waste, had saved again the freshwater resources in pouring greenery patches.
The technical solution used in the present invention is:
A kind of trees of planting store the defaulted method utilizing rainwater, comprise the steps:
1). dug plant pit: after trees of having planted, point centered by trees, with the 8��10 of tree diameters times be plant pit radius dug plant pit, the plant pit degree of depth is 15��20;
2). boring: near edge in plant pit, boring, hole diameter is 8��10cm; Hole depth is: count from ground level, and arbor is 70, shrub 50; (if tree acupoint depth is 20, just bores 50 and 30 respectively);
3). fill water-retaining agent:
Water-retaining agent and the soil dug out being mixed after uniformly, backfill in hole, wherein the addition of water-retaining agent is the 0.1��0.2% of backfill soil weight.
4), conventional maintenance management.
Preferably, described step 2) in drilling hole amount: 6cm��diameter of a cross-section of a tree trunk 1.3 meters above the ground, at��8cm, is bored 4 holes, the 8cm < diameter of a cross-section of a tree trunk 1.3 meters above the ground��10cm, is bored 6 holes, more than 10cm, and the diameter of a cross-section of a tree trunk 1.3 meters above the ground often increases 2cm, and drilling hole amount is increased by 1, and hole is uniformly distributed.
Preferably, described water-retaining agent selects high molecular weight polyacrylamide class or polyacrylic acid potassium and polyacrylamide cross-linking type copolymer (resin type water-retaining). It is highly preferred that clay and rich clay should not select resin type water-retaining, sand should not use polyacrylamide (PAM).
Described conventional maintenance management includes:
Artificial filling foot water: according to trees technical regulation requirement of planting, water sufficient water on time, when catching up with rainfall, do not water or water less, allow plant pit reach maximum water-storage, to ensure that trees survive and normal growth demand;
Receive rainwater: when there is no rainfall the beginning of spring, artificially water, when rainy season arrives, rely on plant pit to receive and store rainwater, supply arboreal growth, before winter approached, it is necessary to when water is frozen in irrigation, artificially water, big tree after generally growing several years, no longer artificially water, rely on plant pit to receive rainwater, maintain the normal growth of trees.
Safeguard plant pit: include cleaning plant pit and add water-retaining agent in time.
(1) cleaning plant pit: because blowing or other reasons, foreign material are deposited in plant pit, it is necessary to remove in time, work as growth of weeds, occupy plant pit and store the space of rainwater, also to pull out in time, and timely table soil loosening, promote rainwater infiltration. During rainy season set, plant pit must be cleared up, it is ensured that receive the space of rainwater.
(2) add water-retaining agent in time: according to the explanation selecting to use water-retaining agent, the cycle generally played a role is 1��2 year, check after to no effect, supplement in time and add water-retaining agent.
Further, described plant pit edge is neat, and the earthwork is not subsided.
Described drill process adopts artificial boring or power auger boring;
Described water-retaining agent selects the product based on polyacrylic acid potassium or ammonium polyacrylate.
The present invention is had the advantages that
1). rainwater receives utilization rate high, no matter little moderate rain or heavy rain also include snowing, plant pit can store rainwater in time, urgees to ooze rainwater, utilizes rainwater;
2). in plantation project, operation completes, self-assembling formation concave herbaceous field, meets " sponge urban construction guide " requirement, Sources controlling, low impact, dispersibility, and cost is low, disposable completes;
3). seeds identical with not doing plant pit are compared, and improve soil moisture content at least 3��5%, and the soil moisture content doing plant pit can reach 25��28%;
4). in soil, oxygen content generally increases by 2��5%, is up to 19%;
5). have adjusted temperature: during surface temperature height in summer, because plant pit is recessed, temperature can at least reduce by 2��3 degree, it is prevented that temperature is too high, causes plant growing inhibitory action.
6). by doing plant pit, borehole, fill water-retaining agent, stored rainwater and made its trees need water to be met timely, fresh-water-saving resource; Innovation is many and grows, and tree vigor is vigorous.
Detailed description of the invention
Below in conjunction with specific embodiment, the invention will be further described, but does not limit protection scope of the present invention.
Embodiment 1
In proving ground, street Taida saline land greening research center, Bohai Sea road nine, Tianjin Development Zone, the soil weight is 1.4g/3, diameter of planting is the Chinese scholar tree of 8, digs the plant pit that radius is 70, plant pit degree of depth 20cm; Diameter of planting is 10 method paulownias, has taken radius 80 plant pit, plant pit degree of depth 20cm. Soil is clay, selects to use polyacrylamide (PAM) water-retaining agent.
The plant pit of Chinese scholar tree keeps to the side edge, bore four holes, count from ground level, the degree of depth 70, aperture 8, hole is uniformly distributed, and adds in hole " water-retaining agent; illustratively amount addition 0.2%, it is backfilling in four holes after uniform with mixing of digging out, the addition in each hole is:
(8��2)2��3.14��50�M��1.4g/�M3�� 0.2% �� 7g; Four holes are 28g;
Keeping to the side edge, to bore six holes, count from ground level, the degree of depth 70, aperture 10 in the plant pit of method paulownia, hole is uniformly distributed, and inserts " drought can be relaxed " water-retaining agent in hole, and consumption is identical, and by 2% part by weight, in each hole, addition is:
(10��2)2��3.14��50�M��1.4g/�M3�� 0.2% �� 11g; Six holes are 66g;
It is backfilling in four holes with mixing after uniformly of digging out;
Conventional maintenance management includes:
Artificial filling foot water: according to trees technical regulation requirement of planting, water sufficient water on time, when catching up with rainfall, do not water or water less, allow plant pit reach maximum water-storage, to ensure that trees survive and normal growth demand;
Receive rainwater: when there is no rainfall the beginning of spring, artificially water, when rainy season arrives, rely on plant pit to receive and store rainwater, supply arboreal growth, before winter approached, it is necessary to when water is frozen in irrigation, artificially water, big tree after generally growing several years, no longer artificially water, rely on plant pit to receive rainwater, maintain the normal growth of trees.
Safeguard plant pit: include cleaning plant pit and add water-retaining agent in time.
(1) cleaning plant pit: because blowing or other reasons, foreign material are deposited in plant pit, it is necessary to remove in time, work as growth of weeds, occupy plant pit and store the space of rainwater, also to pull out in time, and timely table soil loosening, promote rainwater infiltration. During rainy season set, plant pit must be cleared up, it is ensured that receive the space of rainwater.
(2) add water-retaining agent in time: according to the explanation selecting to use water-retaining agent, the cycle generally played a role is 2��3 years, check after to no effect, supplement in time and add water-retaining agent.
The effect that embodiment reaches:
By 2 years observe, in plant pit soil moisture content keep 20��28%, oxygen content 16��18%, manual watering's number of times reduce, water consumption by 1 ton/, drop to 0.2��0.3 ton/;
Tree vigor: far better than the identical seeds of periphery, the trees of the identical age of tree, year New shoot growth amount, Chinese scholar tree reaches 1.5��2.3m, and method paulownia reaches 2.0��2.8m, at least has more 50 than routine growth amount.
Cost reduces, fresh-water-saving resource, reduces maintenance cost expense.
Claims (3)
1. trees of planting store the defaulted method utilizing rainwater, it is characterised in that: comprise the steps:
1). dug plant pit: after trees of having planted, point centered by trees, with the 8��10 of tree diameters times be plant pit radius dug plant pit, the plant pit degree of depth is 15��20;
2). boring: near edge in plant pit, boring, hole diameter is 8��10cm; Hole depth is: count from ground level, and arbor is 70, shrub 50;
3). fill water-retaining agent:
Water-retaining agent and the soil dug out being mixed after uniformly, backfill in hole, wherein the addition of water-retaining agent is the 0.1��0.2% of backfill soil weight;
4), conventional maintenance management.
2. a kind of trees of planting according to claim 1 store the defaulted method utilizing rainwater, it is characterized in that: described step 2) in drilling hole amount: 6cm��diameter of a cross-section of a tree trunk 1.3 meters above the ground is at��8cm, bore 4 holes, 8cm < the diameter of a cross-section of a tree trunk 1.3 meters above the ground��10cm, boring 6 holes, more than 10cm, the diameter of a cross-section of a tree trunk 1.3 meters above the ground often increases 2cm, drilling hole amount is increased by 1, and hole is uniformly distributed.
3. a kind of trees of planting according to claim 1 and 2 store the defaulted method utilizing rainwater, it is characterised in that: described water-retaining agent selects high molecular weight polyacrylamide class or polyacrylic acid potassium and polyacrylamide cross-linking type copolymer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610061183.7A CN105638361A (en) | 2016-01-28 | 2016-01-28 | Method for storing, holding and utilizing rainwater during tree planting |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610061183.7A CN105638361A (en) | 2016-01-28 | 2016-01-28 | Method for storing, holding and utilizing rainwater during tree planting |
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| CN105638361A true CN105638361A (en) | 2016-06-08 |
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| CN201610061183.7A Pending CN105638361A (en) | 2016-01-28 | 2016-01-28 | Method for storing, holding and utilizing rainwater during tree planting |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106888906A (en) * | 2017-02-14 | 2017-06-27 | 安徽省农业科学院农业工程研究所 | A kind of seedling planting Multifunctional garden engineering cavernous body |
| CN110226397A (en) * | 2019-06-17 | 2019-09-13 | 云南省热带作物科学研究所 | A kind of drought resisting fertilizing method of mountainous region Queensland nut |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102388694A (en) * | 2011-08-01 | 2012-03-28 | 西北永新集团集团有限公司 | Method and plant pit for planting trees and saving degradation trees in arid and semiarid lands |
-
2016
- 2016-01-28 CN CN201610061183.7A patent/CN105638361A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102388694A (en) * | 2011-08-01 | 2012-03-28 | 西北永新集团集团有限公司 | Method and plant pit for planting trees and saving degradation trees in arid and semiarid lands |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106888906A (en) * | 2017-02-14 | 2017-06-27 | 安徽省农业科学院农业工程研究所 | A kind of seedling planting Multifunctional garden engineering cavernous body |
| CN110226397A (en) * | 2019-06-17 | 2019-09-13 | 云南省热带作物科学研究所 | A kind of drought resisting fertilizing method of mountainous region Queensland nut |
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Application publication date: 20160608 |