CN105340408A - Afforestation and soil preparation method for rocky barren mountains in semi-arid regions - Google Patents
Afforestation and soil preparation method for rocky barren mountains in semi-arid regions Download PDFInfo
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- CN105340408A CN105340408A CN201510616693.1A CN201510616693A CN105340408A CN 105340408 A CN105340408 A CN 105340408A CN 201510616693 A CN201510616693 A CN 201510616693A CN 105340408 A CN105340408 A CN 105340408A
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- soil
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B79/00—Methods for working soil
- A01B79/02—Methods for working soil combined with other agricultural processing, e.g. fertilising, planting
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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
Abstract
The invention relates to the technical field of afforestation and soil preparation and particularly relates to an afforestation and soil preparation method for rocky barren mountains in semi-arid regions. The method comprises the following steps of: digging trenches: digging the trenches around the mountain along the contour line of a slope and separating surface soil from subsoil; building soil dams: piling the soil dams by subsoil along the extending directions of the trenches at the lower edges of the trenches; surface soil backfill: backfilling the surface soil to the trenches; and planting hole setting: setting the planting holes according to plant spacing in the trenches and adding mixed soil mixed by carrying soil, subsoil and surface soil in the planting holes, wherein the mixing proportion is as follows: carrying soil: subsoil: surface soil=1:1:1. According to the afforestation and soil preparation method for rocky barren mountains in semi-arid regions provided by the invention, the trenches are dug around the mountain, so that the soil preparation extent is great, the site conditions are obviously improved, and the water collecting effect is further quite remarkable. By adding the carrying soil, the soil nutrient condition of the planting holes is greatly improved, and the survival rate of afforestation and the volume of forest tree growth are effectively improved.
Description
Technical field
The present invention relates to afforestation and soil preparation technical field, especially relate to a kind of semiarid region rocky barren mountain afforestation and soil preparation method.
Background technology
Green barren hill is the important utility of one, China, and in recent years, along with country is to the attention of this cause and support, most of deserted mountain suitable for afforestation has obtained fine greening, and ecotope obviously improves.Deserted mountain remaining is at present all that soil is more barren, greening difficulty is larger.Site preparation is the important link of green barren hill, it is one of important technological problems affecting green barren hill effect, adopt existing afforestation and soil preparation technology at present can not complete the greening target of expection in the deserted mountain that semiarid region soil is more barren, trying to explore afforestation and soil preparation technology that is workable, that achieve noticeable achievement becomes one of key technology of current afforestation greening.
At present China's green barren hill afforestation and soil preparation mainly adopt cave-shaped whole, fish scale pit whole, 88542 horizontal ditches are whole.Cave-shapedly adopt artificial plane to dig or mechanical punching, planting hole size, according to planting seeds size and different, is generally cylindrical shape, planting hole diameter 30-40cm, dark 40-50cm wholely; Fish scale pit is mainly greater than domatic the semicircle hole 25 ° of with a varied topography, irregular steeper gully-slope land digging half-moon-shaped long 1m, wide 0.8m, dark 0.4m along contour from top to bottom wholely, the subsoil dug out is built up the outer ridge of arc of ridge height 30cm, top width 20cm, build real scene shooting light, after evening out, rear bank also backfills the end, hole, hole level interval 1.5-3.0m, slope distance (array pitch) 3-4m in two rows hole, hole is triangle disposition arrangement along hillside; 88542 horizontal ditches are a kind of drought resisting forestation method of soil preparation in Loess Region wholely, and be complete in landform, the gradient is less than the deserted mountain of 25 °, the section of easy grade of conceding the land to forestry, the method of " contour, Yan Shan turns, wide 2m; length is not limit, and dead soil digs out, earthen backfill of living " is carried out wholely.Namely excavate wide 80cm along contour, the horizontal ditch of dark 80cm, make real the outer ridge with the soil dug out in ditch, ridge top width 40cm, ridge height 50cm, ridge side slope 60 °-70 °, broken by clapping under ditch inside front table mamoty, insert in horizontal ditch to excavating on mouth along 10cm place, smooth field face width 2m, and the face, counter-slope field of making 10 °-20 °, that builds wide 30cm-50cm every 5m-10m blocks the water ridge, neighbouring belt distance 5m-8m, stays nature to catchment domatic.
But, cave-shaped wholely for soil more barren afforestation greening shortcoming be that survival rate is lower, tree growth is bad, main cause is that deserted mountain site quality is poor, cave-shaped whole ground fine-root rely exist soil environment limited space, soil moisture, nutrient condition are poor, affect forest and survive and growth; Although fish scale pit wholely with cave-shaped whole compared with survival rate increase, tree growth also increases, more loaded down with trivial details, and under the situation that particularly existing labour cost is more and more higher, cost of forestation is higher; Although 88542 horizontal ditch whole ground afforestation effects are better, complex process, cost of forestation is higher, and is only applicable to the stronger soil condition of Loess Region plasticity.
Summary of the invention
The object of the present invention is to provide a kind of semiarid region rocky barren mountain afforestation and soil preparation method, the technical problem such as land occupation condition do not improve not obvious with the Afforestation Effects solving the whole ground of the afforestation existed in prior art.
A kind of semiarid region rocky barren mountain afforestation and soil preparation method provided by the invention, comprises the following steps:
Dig trench, dig trench along hillside contour is surrounded by mountains, table soil and subsoil are separated;
Build earth dam, on the lower edge of trench, along the direction that trench extends, be piled into earth dam with subsoil;
Table earthen backfill, will show in earthen backfill trench;
Arrange planting hole, in trench, arrange planting hole by spacing in the rows, in planting hole, add the composite soil that soil moved in improve the original, subsoil and table soil mix, its mixed proportion is soil moved in improve the original: subsoil: table soil=1: 1: 1.
Further, the wide of trench is 1.0m-1.2m, is 0.8m-1.0m deeply.
Further, adjacent two trench spacing are 4m-5m, and spacing in the rows is 2m-3m.
Further, the weight of the soil moved in improve the original of each planting hole interpolation is 30-40kg.
Further, earth dam is cipollettic dam.
Further, the upper bottom width of cipollettic dam is 0.4m, and lower bottom width is 0.8m, and height is 0.5m.
A kind of semiarid region rocky barren mountain afforestation and soil preparation method provided by the invention, surrounded by mountainsly digs trench, and whole ground amplitude is large, obviously improves land occupation condition, effect of catchmenting also highly significant; By adding soil moved in improve the original, substantially improving planting hole soil nutrient condition, effectively improving survival rate and the increase in standing timber.
Accompanying drawing explanation
In order to be illustrated more clearly in the specific embodiment of the invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The flow chart of the semiarid region rocky barren mountain afforestation and soil preparation method that Fig. 1 provides for the embodiment of the present invention;
Embodiment
Be clearly and completely described technical scheme of the present invention below in conjunction with accompanying drawing, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
A kind of semiarid region rocky barren mountain afforestation and soil preparation method that the present embodiment provides, comprises the following steps:
Dig trench, dig trench along hillside contour is surrounded by mountains, table soil and subsoil are separated;
Build earth dam, on the lower edge of trench, along the direction that trench extends, be piled into earth dam with subsoil;
Table earthen backfill, will show in earthen backfill trench;
Arrange planting hole, in trench, arrange planting hole by spacing in the rows, add the native composite soil mixed of soil moved in improve the original, subsoil and table at planting hole, its mixed proportion is soil moved in improve the original: subsoil: table soil=1: 1: 1.
First intending on the barren deserted mountain (gradient less than 25 °) of afforestation soil, excavator (power more than 120 horsepowers) machinery surrounded by mountains is adopted to dig trench along contour, the table dug out soil is put in the upper edge of trench, part below table soil and subsoil (being mainly the composition such as stone, sandstone) are put in the lower edge of trench, the wide 1.0m-1.2m of the trench dug, dark 0.8m-1.0m, the distance between adjacent two trenches is 4m-5m.Then by the table earthen backfill that is put in edge on trench and trench, earth dam is piled into by being put in the direction that the subsoil on edge extends along trench under trench.Then in trench, arrange planting hole according to spacing in the rows 2m-3m, in planting hole, add the composite soil that soil moved in improve the original, subsoil and table soil mix, its mixed proportion is soil moved in improve the original: subsoil: table soil=1: 1: 1, and the weight of the soil moved in improve the original that each planting hole adds is 30-40kg.
On the basis of above-described embodiment, further, earth dam is cipollettic dam.The earth dam piled up along bearing of trend under trench is cipollettic dam, and certain earth dam also can be other shapes, such as square dam, taper dam etc., but shape is trapezoidal, and dam body is more firm.
On the basis of above-described embodiment, further, the upper bottom width of cipollettic dam is 0.4m, and lower bottom width is 0.8m, and height is 0.5m.
By above embodiment, a kind of semiarid region rocky barren mountain afforestation and soil preparation method provided by the invention, whole ground amplitude is large, improves land occupation condition obvious, make original tailo have the feature of Schattenseite or half Schattenseite, create relative suitable microclimate conditions for forest survives with growing; Dig moat by surrounded by mountains, the natural rainfall overwhelming majority has all been pooled in moat, effect of catchmenting highly significant, creates favourable moisture condition for forest survives with growing; By adding soil moved in improve the original, improving planting hole soil nutrient condition, creating favourable soil nutrient condition for forest survives with growing; Not only applied widely, all applicable to soil property, stone matter or native rocky barren mountain, and also technique is simple, workable, saving of labor, cost are low, and afforestation effect is good, especially more remarkable to rocky barren mountain greening.
Last it is noted that above each embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to foregoing embodiments to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (6)
1. a semiarid region rocky barren mountain afforestation and soil preparation method, is characterized in that, comprise the following steps:
Dig trench, dig trench along hillside contour is surrounded by mountains, table soil and subsoil are separated;
Build earth dam, on the lower edge of trench, along the direction that trench extends, be piled into earth dam with subsoil;
Table earthen backfill, will show in earthen backfill trench;
Arrange planting hole, in trench, arrange planting hole by spacing in the rows, in planting hole, add the composite soil that soil moved in improve the original, subsoil and table soil mix, its mixed proportion is soil moved in improve the original: subsoil: table soil=1: 1: 1.
2. semiarid region rocky barren mountain afforestation and soil preparation method according to claim 1, is characterized in that, the wide of described trench is 1.0m-1.2m, is 0.8m-1.0m deeply.
3. semiarid region rocky barren mountain afforestation and soil preparation method according to claim 1, is characterized in that, adjacent two described trench spacing are 4m-5m, and described spacing in the rows is 2m-3m.
4. semiarid region rocky barren mountain afforestation and soil preparation method according to claim 1, is characterized in that, the weight of the described soil moved in improve the original that each described planting hole adds is 30-40kg.
5. semiarid region rocky barren mountain afforestation and soil preparation method according to claim 1, it is characterized in that, described earth dam is cipollettic dam.
6. semiarid region rocky barren mountain afforestation and soil preparation method according to claim 5, is characterized in that, the upper bottom width of described cipollettic dam is 0.4m, and lower bottom width is 0.8m, and height is 0.5m.
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106068741A (en) * | 2016-06-20 | 2016-11-09 | 中国科学院遗传与发育生物学研究所 | A kind of stony cut slope soil moved in improve the original expands the method storing afforestation |
CN107232011A (en) * | 2017-07-10 | 2017-10-10 | 新疆林业科学院 | Gravel gobi area ecological forest cultivation technique |
CN114430953A (en) * | 2021-09-22 | 2022-05-06 | 彭阳县自然资源局 | Loess hilly slope land preparation method |
CN114916367A (en) * | 2022-05-28 | 2022-08-19 | 云南省林业和草原科学院 | Slope soil preparation method for planting of mountain tung tree |
CN114946307A (en) * | 2022-04-26 | 2022-08-30 | 平武县安翔农业发展有限公司 | Barren hill and barren slope planting method |
Citations (2)
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SU1373345A1 (en) * | 1986-06-18 | 1988-02-15 | Молдавский Научно-Исследовательский Институт Почвоведения И Агрохимии Им.Н.А.Димо | Method of reclamation of landslide slopes for tree and bush planting |
CN101699982A (en) * | 2009-09-30 | 2010-05-05 | 甘肃省祁连山水源涵养林研究院 | Method for building drought mountain sabina przewalskii |
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2015
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SU1373345A1 (en) * | 1986-06-18 | 1988-02-15 | Молдавский Научно-Исследовательский Институт Почвоведения И Агрохимии Им.Н.А.Димо | Method of reclamation of landslide slopes for tree and bush planting |
CN101699982A (en) * | 2009-09-30 | 2010-05-05 | 甘肃省祁连山水源涵养林研究院 | Method for building drought mountain sabina przewalskii |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106068741A (en) * | 2016-06-20 | 2016-11-09 | 中国科学院遗传与发育生物学研究所 | A kind of stony cut slope soil moved in improve the original expands the method storing afforestation |
CN106068741B (en) * | 2016-06-20 | 2018-01-16 | 中国科学院遗传与发育生物学研究所 | A kind of stony cut slope soil moved in improve the original expands the method for storing afforestation |
CN107232011A (en) * | 2017-07-10 | 2017-10-10 | 新疆林业科学院 | Gravel gobi area ecological forest cultivation technique |
CN114430953A (en) * | 2021-09-22 | 2022-05-06 | 彭阳县自然资源局 | Loess hilly slope land preparation method |
CN114946307A (en) * | 2022-04-26 | 2022-08-30 | 平武县安翔农业发展有限公司 | Barren hill and barren slope planting method |
CN114916367A (en) * | 2022-05-28 | 2022-08-19 | 云南省林业和草原科学院 | Slope soil preparation method for planting of mountain tung tree |
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