CN104303946A - Funnel bottom fish-scale pit soil preparation technology - Google Patents

Funnel bottom fish-scale pit soil preparation technology Download PDF

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Publication number
CN104303946A
CN104303946A CN201410603294.7A CN201410603294A CN104303946A CN 104303946 A CN104303946 A CN 104303946A CN 201410603294 A CN201410603294 A CN 201410603294A CN 104303946 A CN104303946 A CN 104303946A
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China
Prior art keywords
semilunar
scale pit
fish scale
pit
moon
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CN201410603294.7A
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Chinese (zh)
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CN104303946B (en
Inventor
贺永
王昌梅
李万涛
朱玉梅
侯正龙
李光琼
王运飞
周正文
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KUNMING CITY DONGCHUAN DISTRICT FORESTRY TECHNOLOGY PROMOTION STATION
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KUNMING CITY DONGCHUAN DISTRICT FORESTRY TECHNOLOGY PROMOTION STATION
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Priority claimed from CN201410603294.7A external-priority patent/CN104303946B/en
Publication of CN104303946A publication Critical patent/CN104303946A/en
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Classifications

    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01BSOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B79/00Methods for working soil
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G23/00Forestry
    • A01G23/02Transplanting, uprooting, felling or delimbing trees
    • A01G23/04Transplanting trees; Devices for grasping the root ball, e.g. stump forceps; Wrappings or packages for transporting trees
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/22Improving land use; Improving water use or availability; Controlling erosion
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/40Afforestation or reforestation

Abstract

The invention relates to funnel bottom fish-scale pit soil preparation technology and belongs to the technical field of afforestation soil preparation. The funnel bottom fish-scale pit soil preparation technology is characterized in that semilunar pits are dug on a steep barren mountain slope from top to bottom along a contour line and arranged in the shape of a Chinese character 'pin', and a vertical side of each semilunar pit faces the upper portion of the barren mountain slope while a semilunar face of the same faces the lower portion of the barren mountain slope; one side of each semilunar is the vertical side, the side, close to the vertical side, of each semilunar is semilunar, each semilunar pit is a funnel bottom with a large upper opening and a small lower opening, is fish-scale-shaped and is called a funnel bottom fish-scale pit, soil preparation specification of each semilunar pit is width of the upper opening x longitudinal width x depth=100cmx80cmx60cm, and specific specification can be changed according to factors like seedling specification and site condition. The funnel bottom fish-scale pit soil preparation technology has certain water storing capacity, and retaining of soil, water and fertilizer can be realized when trees are planted in the pits.

Description

Hopper base fish scale pit entire technique
Technical field
The present invention relates to a kind of hopper base fish scale pit entire technique, belong to afforestation and soil preparation technical field.
Background technology
Dry-hot Valley Area vegetation sparse, foehn effect is remarkable, rainfall is little, but evaporation discharge is several times in rainfall, due to drought, human livestock drinking water difficulty, in addition geological disaster frequently occurs, and soil erosion degradation is serious, a large amount of deserted mountains, sand ground, being the district that is the devil of the artificial afforestation in the whole world, is also serious Eco-environmental fragile area.Domestic Jinsha jiang River, Dongchuan District, Kunming, little Jiang basin height above sea level 1600m are typical dry-hot valley areas with lower area.In region, ecological condition is severe, severe water and soil erosion, to Yangtze river basin middle and lower reaches particularly Three Gorges Dam bring great ecological safety hidden danger.Carry out the engineering test of dry-hot valley afforestation and soil preparation, explore reforestation technique targetedly, to raising dry-hot valley Afforestation Quality, improve ecotope in region, reduce the destruction of In Middle And Lower Reaches of Changjiang River significant.
Summary of the invention
The object of the invention is, for dry-hot valley region, Dongchuan District Characteristics of Precipitation, to invent a kind of hopper base fish scale pit entire technique, and it is a kind of land preparation mode that original whole ground foundation is improved.
The technical scheme of the present invention's novel funnel ground fish squama hole entire technique is: on steeper deserted mountain is domatic, dig half-moon-shaped hole from top to bottom along contour, arrange in isosceles triangle, wherein the vertical edges (11) in half-moon-shaped hole towards deserted mountain domatic top, first quarter moon (12) is towards barren hillside basifacial.
One side vertical edges (11) of described half-moon-shaped hole (1), immediately vertical edges (11) is one and a half months (12), the hopper base that half-moon-shaped hole (1) is big upper and lower small mouth, shape as fish scale, fish scale pit at the bottom of steelyard slepsydra bucket,
The whole ground specification in described half-moon-shaped hole (1) is: suitable for reading wide × vertical wide × dark=100 cm × 80 cm × 60cm.The factor increases and decreases such as the visual nursery stock specification of concrete specification, land occupation condition.
Land preparation mode of the present invention broadens suitable for reading on the basis on the cave-shaped whole ground of tradition, due to half-moon-shaped hole vertical edges (11) suitable for reading towards deserted mountain domatic top, half-moon-shaped hole first quarter moon (12) suitable for reading is towards barren hillside basifacial, rainwater can from broadening in inflow suitable for reading hole, first quarter moon shape is beneficial to and stores more how limited precipitation, limited precipitation, in half-moon-shaped hole (1), is come together in the root that plants seedlings by the rainwater being more conducive to collecting heavy showers, ensures to plant seedlings growth.
Hopper base fish scale pit of the present invention entire technique has certain water-holding capacity, plants trees in hole, can soil conservation preserve moisture and fertility.Hopper base fish scale pit entire technique can not only improve survival rate, and construction cost is also cave-shaped whole substantially identical with traditional, hopper base fish scale pit is wholely higher to the technical requirement of workman, but more traditional cave-shaped wholely little of quantities, the cave-shaped row of presenting wholely of tradition and the cross-shaped structure of lower row, be not delta structure, the present invention is the land preparation mode be worthy to be popularized.
Accompanying drawing explanation
Fig. 1 is the cutaway view of single half-moon-shaped hole on deserted mountain is domatic.
Fig. 2 is the cut-away view in A-A direction, single half-moon-shaped hole shown in Fig. 1.
Fig. 3 is the vertical view in half-moon-shaped hole single shown in Fig. 1.
The schematic diagram in four half-moon-shaped holes of Fig. 4 to be two rows be isosceles triangle arrangement.
embodiment:
The invention reside in and design hopper base fish scale pit in conjunction with Dry-hot Valley Area feature: on steeper deserted mountain is domatic, digs half-moon-shaped hole from top to bottom along contour, greatly suitable for reading, lower young, hopper base, in isosceles triangle arrange, shape as fish scale, therefore named hopper base fish scale pit.Whole ground specification is: suitable for reading wide × vertical wide × factor such as dark=concrete specification of 100 cm × 80 cm × 60cm(visual plans plantation nursery stock specification, land occupation condition increases and decreases).
The present invention digs half-moon-shaped hole from top to bottom along contour on steeper deserted mountain is domatic, arranges in isosceles triangle.
Described half-moon-shaped hole is greatly suitable for reading, lower young, hopper base, shape as fish scale, fish scale pit at the bottom of steelyard slepsydra bucket, whole ground specification is: suitable for reading wide × vertical wide × dark=100 cm × 80 cm × 60cm
The present invention is directed to Dongchuan dry-hot valley climatic characteristic, Popularizing Forestry Technology station, Dongchuan District, Kunming is improved, change infundibulate into bottom whole melt pit, on steeper deserted mountain is domatic, digs half-moon-shaped hole from top to bottom along contour, arranges in isosceles triangle, greatly suitable for reading, lower young, hopper base, shape is as fish scale, fish scale pit at the bottom of steelyard slepsydra bucket, hopper base fish scale pit more retaining can store fertilizer than traditional fish scale pit.
This invention land preparation mode is suitable for reading owing to broadening, more be conducive to the rainwater collecting heavy showers, limited precipitation is come together in the root that plants seedlings, play precipitation effect to greatest extent, and the washing away of rainwash his-and-hers watches soil when can reduce heavy showers, blocks or delays the formation of debris flow.
Hopper base fish scale pit of the present invention entire technique is a kind of water and soil conservation afforestation and soil preparation method, and the washing away of rainwash his-and-hers watches soil when also reducing heavy showers, blocks or delay the formation of debris flow.
Embodiment
Seminar of the present invention select to have typical dry-hot valley climatic characteristic plot---Tong Dou street, Dongchuan District Zi Niu village Lin Jia crosses as proving ground.
, experimental field overview
Experimental field be positioned at the Lin Jiadu in northern little Jiang basin, Dongchuan District, Kunming, Yunnan city, for the slope, face in dry-hot valley region, area is 150 mu, geographical position is east longitude 103 ° 06 ' 06 " ~ 103 ° 06 ' 22 ", north latitude 26 ° 14 ' 50 " ~ 26 ° 14 ' 58 ", apart from little river air line distance 500m, west side next-door neighbour Long Dongge highway, there is the pond of peasant for irrigating in roadside.Most High aititude 1284m, minimum height above sea level 1094m, discrepancy in elevation 190m, the gradient 20 °.Test plot soil is dry red soil, and soil acidity or alkalinity 6.8-7.1, chad content is between 15-40%.Plot vegetation mainly contains akeake, turns round Huang Mao, and eucalyptus, Leucaena leucacephala, acacia confusa, cream paulownia etc. that a small amount of artificial planting is retained.
Test plot belongs to typical dry-hot valley weather.Over nearly 4 years, Dongchuan District climatic anomaly.2008, year gross precipitation be 841mm, there is cryogenic freezing weather February in the mean value same period more over the years 98mm on the high side; 2009, year gross precipitation be 428.4mm, the mean value same period more over the years 314.9mm on the low side; 2010, total rainfall per year is 837.8mm, the mean value same period more over the years 94.5mm on the high side, although annual rainfall is on the high side, mainly concentrates on 6 to August, wherein June 26, there is Heavy Rain in Dongchuan District, 24 hourly rainfall depths are 115.7mm, breaks through history extreme value, in 9 to October, there is three autumn jobs as harvesting, tilling and planting cloudy weather for several days running weather.2011 annual rainfalls are 560mm, and rainfall concentrates on 1 to July, the number of times showed increased that some heavy rain occurs.In January, 2012 ~ May 8, daily rainfall was 25mm, and from May 9, had fragmentary rainfall, rainfall concentrated on for 6 ~ October, and 11 ~ December is almost without rainfall.
The artificial afforestration engineering such as " long anti-", " sky guarantors " that test plot was successively implemented, but due to climatic anomaly, land occupation condition badly, storage rate is extremely low, almost nil.
, material and method
2.1 land preparation mode
Adopt two kinds of land preparation modes, namely cave-shaped afforestation seeding row spacing is 3m × 3m wholely with hopper base fish scale pit wholely, and isosceles triangle configures.
2.2.1 hopper base fish scale pit wholely
A kind of land preparation mode that hopper base fish scale pit entire technique improves in the whole ground foundation in former fish scale pit in conjunction with dry-hot valley region, Dongchuan District Characteristics of Precipitation.Be characterized in: suitable for reading wide be funnel-form in monolithic fish scale-shaped, the end, therefore named hopper base fish scale pit.Whole ground specification is: suitable for reading wide × vertical wide × dark=100 cm × 80 cm × 60cm.This land preparation mode is suitable for reading owing to broadening, more be conducive to the rainwater collecting heavy showers, limited precipitation is come together in the root that plants seedlings, play precipitation effect to greatest extent, and the washing away of rainwash his-and-hers watches soil when can reduce heavy showers, blocks or delays the formation of debris flow.
2.1.2 cave-shaped wholely
The cave-shaped traditional land preparation mode being Dongchuan wholely and afforesting.Plant hole specification is: long × wide × dark=60cm × 60cm × 60cm.
method for planting
2.2.1 when hopper base fish scale pit land preparation mode is planted, nursery stock is placed in center, the end, hole, accomplish to plant and just holding up directly, the depth is suitable for, and tracks tramping having peace of mind.The degree of depth of banketing after planting is 30cm, should keep 30cm distance with hole is suitable for reading, and empty part gives in advance and waters and Accumulated Rainwater use.
2.2.2 cave-shaped when planting wholely first by after mellow soil backfill 1/3, nursery stock is removed the central authorities that container is placed on cave, then ridging is apart from hole suitable for reading 1/3, tracks tramping having peace of mind.
test combinations
This test arranges 8 combinations and carries out.
Adopt two kinds of whole ground measure × tetra-compositions, 8 combinations to carry out comparative trial, each test combinations plants 600 strains, 4800 strains of planting altogether.The measure of watering of 8 combination employings is waters twice water.The survival rate of main test different tree species under the measure of difference whole ground and Afforestation Effects.
Hopper base fish scale pit technology is in conjunction with the novel land preparation mode of the actual one summed up of Dongchuan dry-hot valley.This land preparation mode owing to expanding upper table mouth, and requires when planting only to fill out Ban Tangtu, and the isosceles triangle arrangement in addition adopted, is more conducive to Accumulated Rainwater, particularly collects the heavy showers being in short-term difficult to be absorbed by earth's surface.As can be seen from Table 1, this land preparation mode can improve survival rate greatly compared to traditional cave-shaped whole ground, but two kinds of land preparation mode impacts on growth increment are not obvious.Result of the test also shows, two kinds of land preparation mode costs of labor are substantially identical.Hopper base fish scale pit is wholely higher to the technical requirement of workman, but quantities is more cave-shaped wholely little, cave-shaped wholely then contrary.
2.3.1 survival rate measures
Divide combination observation to add up to all test afforestation nursery stocks, calculate its survival rate.Wherein:
2.3.1.1 individual plant survives judgement
Nursery stock shoot sprouts one to shut, and growth is normal, without damage by disease and insect.
2.3.1.2 survival rate
Be combined in motility rate=combination and survive strain number/100.
2.3.2 amount of growth measures
When field planting, often combine extraction 30 strain, numbering, measures each plant leading thread and height, and the leading thread measured with on December 10th, 2012 and height contrast, and calculate its amount of growth.
Subordinate list is as follows:
table 1 afforestation and soil preparation engineering test combination table
Tested number Plant the time Land preparation mode Seeds Irrigation times Plant seedlings strain number Remarks
1 In April, 2012 Hopper base fish scale pit Leucaena leucacephala 2 600  
2 In April, 2012 Cave-shaped wholely Leucaena leucacephala 2 600 ?
3 In April, 2012 Hopper base fish scale pit Melia toosendan 2 600 ?
4 In April, 2012 Cave-shaped wholely Melia toosendan 2 600 ?
5 In April, 2012 Hopper base fish scale pit Yunnan Piao 2 600 ?
6 In April, 2012 Cave-shaped wholely Yunnan Piao 2 600 ?
7 In April, 2012 Hopper base fish scale pit Hide cypress 2 600 ?
8 In April, 2012 Cave-shaped wholely Hide cypress 2 600 ?
Table 2 different land preparation mode survival rate and amount of growth statistical form
Test shows, survival rate can be improved compared to traditional cave-shaped whole ground in hopper base fish scale pit wholely greatly, but two kinds of land preparation mode impacts on growth increment are not obvious.Result of the test also shows, two kinds of land preparation mode costs of labor are substantially identical.Hopper base fish scale pit is wholely higher to the technical requirement of workman, but quantities is more cave-shaped wholely little, cave-shaped wholely then contrary, is a kind of land preparation mode be worthy to be popularized.And hopper base fish scale pit land preparation mode is more conducive to the rainwater collecting heavy showers, and limited precipitation is come together in the root that plants seedlings, and the washing away of rainwash his-and-hers watches soil when can reduce heavy showers, block or delay the formation of debris flow.Hopper base fish scale pit has certain water-holding capacity, plants trees in hole, can soil conservation preserve moisture and fertility.

Claims (3)

1. a hopper base fish scale pit entire technique, it is characterized in that: on steeper deserted mountain is domatic, dig half-moon-shaped hole from top to bottom along contour, in isosceles triangle arrange, wherein the vertical edges (11) in half-moon-shaped hole towards deserted mountain domatic top, first quarter moon (12) is towards barren hillside basifacial.
2. hopper base fish scale pit according to claim 1 entire technique, it is characterized in that: the vertical edges (11) of described half-moon-shaped hole (1), immediately vertical edges (11) is one and a half months (12), the hopper base that half-moon-shaped hole (1) is big upper and lower small mouth, shape as fish scale, fish scale pit at the bottom of steelyard slepsydra bucket.
3. hopper base fish scale pit according to claim 1 entire technique, is characterized in that: the whole ground specification of half-moon-shaped hole (1) is: suitable for reading wide × vertical wide × dark=100 cm × 80 cm × 60cm.
CN201410603294.7A 2014-11-02 Hopper base fish-scale pit entire technique Active CN104303946B (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105075793A (en) * 2015-09-21 2015-11-25 北京林业大学 Inclined fish-scale pit forestation land preparation technology suitable for earth-rock mountain area in north China
CN106718541A (en) * 2016-12-01 2017-05-31 唐婧婵 A kind of live forest culture and management method of Rocky Desertification Region white popinac
CN108812166A (en) * 2018-05-25 2018-11-16 国有济源市南山林场 A kind of fish-scale pit preparations for afforestation method
CN110115188A (en) * 2019-04-27 2019-08-13 李志东 A kind of five resistances afforestation matching method
CN110622644A (en) * 2019-10-23 2019-12-31 承德宇航人高山植物应用技术有限责任公司 Configuration of wild goose type fish scale pit water collecting measure in arid region

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1820578A (en) * 2005-12-31 2006-08-23 兰州市南北两山环境绿化工程指挥部 Method for anti-drought afforestation by collecting water, preserving water and supplementing water
CN103141323A (en) * 2012-12-27 2013-06-12 北京土人景观与建筑规划设计研究院 Season drought barren slope economic crop planting pit and planting method
CN203814303U (en) * 2014-05-16 2014-09-10 江苏省城市规划设计研究院 Artificially-built water forest
DE102013105933A1 (en) * 2013-06-07 2014-12-11 Thyssenkrupp Industrial Solutions Ag Steep conveyor system for opencast mining
JP2015074591A (en) * 2013-10-10 2015-04-20 古河機械金属株式会社 Manufacturing method of semiconductor layer of group iii nitride

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1820578A (en) * 2005-12-31 2006-08-23 兰州市南北两山环境绿化工程指挥部 Method for anti-drought afforestation by collecting water, preserving water and supplementing water
CN103141323A (en) * 2012-12-27 2013-06-12 北京土人景观与建筑规划设计研究院 Season drought barren slope economic crop planting pit and planting method
DE102013105933A1 (en) * 2013-06-07 2014-12-11 Thyssenkrupp Industrial Solutions Ag Steep conveyor system for opencast mining
JP2015074591A (en) * 2013-10-10 2015-04-20 古河機械金属株式会社 Manufacturing method of semiconductor layer of group iii nitride
CN203814303U (en) * 2014-05-16 2014-09-10 江苏省城市规划设计研究院 Artificially-built water forest

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
王治霞: "宁南黄土丘陵区集流整地造林效果研究", 《林业科学》, no. 21, 5 September 2011 (2011-09-05) *

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105075793A (en) * 2015-09-21 2015-11-25 北京林业大学 Inclined fish-scale pit forestation land preparation technology suitable for earth-rock mountain area in north China
CN105075793B (en) * 2015-09-21 2018-01-09 北京林业大学 A kind of tilting fish-scale pit afforestation and soil preparation technology suitable for Rocky Mountain Area of Northern China
CN106718541A (en) * 2016-12-01 2017-05-31 唐婧婵 A kind of live forest culture and management method of Rocky Desertification Region white popinac
CN108812166A (en) * 2018-05-25 2018-11-16 国有济源市南山林场 A kind of fish-scale pit preparations for afforestation method
CN110115188A (en) * 2019-04-27 2019-08-13 李志东 A kind of five resistances afforestation matching method
CN110622644A (en) * 2019-10-23 2019-12-31 承德宇航人高山植物应用技术有限责任公司 Configuration of wild goose type fish scale pit water collecting measure in arid region
CN110622644B (en) * 2019-10-23 2022-06-17 承德宇航人高山植物应用技术有限责任公司 Configuration of wild goose type fish scale pit water collecting measure in arid region

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