CN103988758A - Method for improving afforestation survival rate by water collecting, water retention and water replenishing - Google Patents
Method for improving afforestation survival rate by water collecting, water retention and water replenishing Download PDFInfo
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Abstract
A method for improving an afforestation survival rate by water collecting, water retention and water replenishing comprises the steps of water collecting, soil preparation, water retention and water replenishing. The water collecting method comprises the steps that a soil preparation engineering mode is used for collecting natural rainfall water into forest land and plant pits; the measure of building a flow collecting face, a flow collecting pool, a water cellar and the like is used, in the adequate rainfall reason, the natural rainfall water is collected and reserved, and the natural rainfall water is used for supplemental irrigation when trees are in short of water. The water retention method comprises the step of using mulching films, wheat straw, dinas and the like for covering the plant pits. The water replenishing method comprises the steps that when it is arid and does not rain and when nursery stock is in water shortage, the methods of micro-irrigation, trickle irrigation, infiltrating irrigation under films, root-irrigation through tube inserting, water injection irrigation and the like are used for water replenishing; soil preparation is conducted, fertilizer is applied to the plant pits, plastic films are mulched for catchment and soil conservation, seeding and planting are conducted, a water collecting face and a water reserving cellar are built to collect rainfall water, and water replenishing and irrigation are conducted in the drought period in spring. The final purpose is to improve the afforestation survival rate and the preserving rate, and to improve the volume of forest tree growth. In addition, the important links further comprise suitable tree species choosing, application of the new technology, new method and new materials of afforestation, cultivation management, disease and pest control and the like.
Description
Technical field
The present invention relates to the water-saving method that catchments of a kind of arid, semiarid zone forestation without irrigation, a kind of comprise catchment, the method for forestation of water conservation, moisturizing series technique system.
Technical background
For the ecological state of China's arid and semi-arid district ecological environment frailty, vegetation sparse, severe water and soil erosion, afforestation is one of major measure of improving the ecological environment.But due to reasons such as arids, after afforestation, survival rate, storage rate are all lower often.Do the Forestation Work in this region well, must strengthen catchmenting water conservation, strengthen water storage project construction, strengthen the dynamics that Rainwater Resources develops.Catchment, water conservation, moisturizing series technique obtained large-scale popularization, application in arid, semiarid zone afforested project, improving aspect afforestation survival rate and retention rate and promoting that tree growth aspect has obtained good effect.On the one hand, utilize the measure of various whole ground and water conservation technology, natural rainfall is collected in forest land and plant pit; On the other hand, in season with heavy rainfall, by collecting runoff engineering measure, rainwater is stored, in arid season supplementary irrigation utilization in spring, fundamentally solved the problems such as precipitation dislocation, the seasonal serious scarcity of soil moisture.
Catchment, water conservation, moisturizing series technique system mainly refer in forest land collect natural rainfall, plant pit covers the measures such as soil moisture conservation and engineering catchment and moisturizing irrigation.As technical system, also comprise that in practice whole ground, plant pit join fertilizer (comprising composite fertilizer, farmyard manure and RE microbial fertilizer), cover soil moisture conservation (can covering film, cover grass, cover sandstone etc.), sowing (or planting seedlings), build gathering surface and the relevant series technique links such as precipitation, moisturizing irrigation in spring are collected at retaining cellar for storing things.
In forest land, to collect the important way of natural rainfall, to promoting that arboreal growth has significant effect wholely.How to make to collect moisture in the plant pit longer time, remain in soil to greatest extent, for arboreal growth, absorb, this is an important technical links of drought resisting forestation.Carrying out plant pit covering is a kind of simple, significant method of effect, and the suppression soil moisture conservation that the managerial wheat straw of fruit tree covers, afforestation is produced, traditional Shatian etc. are important Water-retaining Measures; Trees are taked the unproductive blade of manual removal, sprinkling chemistry antitranspirant, use the measures such as anti-drought water-retaining agent is the major measure that prevents tree transpiration.
In order to maximally utilise natural rainfall, except forest land, farmland afflux retaining, in the region of a large amount of free time and opposed flattened, build current collecting field, carry out rainwater-collecting.In season with heavy rainfall, by collecting runoff engineering measure, rainwater is stored, in arid season utilization in spring, fundamentally to solve the problems such as precipitation dislocation, the seasonal serious scarcity of soil moisture.Catchwork system is substantially stored three parts by gathering surface, sedimentation basin, retaining and is formed.
Summary of the invention
The object of this invention is to provide a kind of method of collecting to greatest extent, utilizing natural rainfall, for afforestation and afforestation project, is efficient technology and the method for utilizing of rainwater resource.
The object of the invention is to be achieved through the following technical solutions:
Adopt water collection and keeping moisturizing to improve a method for survival rate, it is characterized in that: this method comprise catchment, whole ground, water conservation, the several steps of moisturizing:
A, catchment method:
(1)mode with whole ground engineering is collected in natural rainfall in forest land and plant pit;
(2)the facilities such as afflux face and afflux pond, water cellar are repaiied in employing, and in season with heavy rainfall, by the natural rainfall collection storage of resident roof courtyard and road barren hill, when trees lack of water, supplementary irrigation is used;
b,method of soil preparation: dig tree planting cave and enclose and build catchment area in tree, the mode on whole ground has reversed terrace, horizontal stand, horizontal ditch, fish scale pit and other whole ground measure:
(1)the whole ground of reversed terrace: be by the method for soil preparation of domatic build stepped terrace along contour, table top slopes inwardly into certain slope, difference because of deserted mountain natural grade, adverse slope is 5 ° ~ 15 °, field face width 1 ~ 3 m, ridge Wai Po approximately becomes 60 ° with interior side slope, and reversed terrace has the good effect conserving water and soil, and adopts and manually builds and utilize bulldozer to build;
(2)the whole ground of horizontal stand: be by the domatic method of soil preparation of building into narrow step-like terrace along contour, be generally used for 30 ° following domatic, terrace level or slightly slope inwardly, there is less counter-slope, mesa width is different because of the gradient, and generally, in 0.8 ~ 1.0 m left and right, rank length is without certain standard, depending on landform, the Huo Bupei ridge, the Ke Pei ridge, outer;
(3)horizontal ditch is a kind of method of soil preparation along contour ditching wholely, and ditch section is trapezoidal for well to scrape out, wide approximately 0.6 ~ 1.0 m suitable for reading, ditch bottom width 0.3 m, ditch depth 0.4 ~ 0.6 m; Approximately 45 ° of outside surface slopes, inner side (tree planting inclined-plane) approximately becomes 35 °, long 4 ~ 6 m of ditch; Two horizontal ditch top spacing 1.0 ~ 2.0 m, ditch spacing 2.0 ~ 3.0 m, horizontal ditch is pressed isosceles triangle and is arranged; When horizontal ditch is long, ditch Nei Keliuji road Heng Geng, but want basic horizontal in same level ditch;
(4)whole ground, fish scale pit: be a kind of conventional method of steep hillslope afforestation, in mountain region, loess plateau, application is more, on beam (loess hills) slope, ditch hillside fields section, because of the gradient large (generally over 30 °), landform is more broken again, the whole ground, fish scale pit that adopts more, the concrete grammar on whole ground, fish scale pit is: on hillside, dig approximate semi-moon shaped hole, between hole, being isosceles triangle arranges, the size in hole is often because the difference of ninor feature and the seeds of planting changes, general hole wide (horizontal stroke) 0.8 ~ 1.5 m, long (indulging) 0.6 ~ 1.0 m in hole, hole is apart from 2.0 ~ 3.0 m, while digging pit, first table mound is placed on to the top in hole, the immature soil is deposited in to the below in hole, specification is dug behind hole on request, again mellow soil is returned and is encased inside in hole, under hole, continue to use the semicircular low bank of earth between fields that the immature soil surrounds high 20 ~ 25 cm, hole above left and right two jiaos each tiltedly open ditch one, to draw, hold more rainwater, arrange by " product " font on domatic in fish scale pit,
(5)except above-mentioned method of soil preparation, also, just like fan-shaped, V font, two domatic, single domatic, infundibulate, pot bottom-shape, beading shape, alternation of slope and terrace etc., various method of soil preparation all have certain effect, can be according to actual conditions choice for use on the spot when afforestation and soil preparation;
(6)catchwork: in the more concentrated place of afforestation, adopt and repair afflux face, afflux pond, afflux water cellar, make it have catchment, the function such as water storage, water saving, water supply, can improve survival rate;
C, water-retaining method: with mulch film, wheat straw, sandstone etc., there is the material covering plant pit of soil moisture conservation performance, to reach water conservation effect; In afforestation is produced, can also adopt suppression soil moisture conservation, the non-trees yielding ability of manual removal blade, spray chemical antitranspirant, use anti-drought water-retaining agent etc.; Carrying out plant pit covering is a kind of simple, significant method of effect, and covering can obviously improve soil moisture content, and Water-retaining Measure also has plant pit to use the methods such as water-loss reducer, solid water and the anti-rising agent of tree body spray;
D, method for supplementing water: in arid, carry out supply moisture during without rain, nursery stock lack of water, adopt infiltrating irrigation under slight irrigation, drip irrigation, film, intubate to fill with the methods such as root, water-injection irrigation to forest moisturizing; Whole ground, plant pit join fertilizer, plastic mulching water Collecting, seeding planting, build gathering surface and precipitation is collected at retaining cellar for storing things, spring period of drought carry out moisturizing irrigation.
It is higher that catchwork system and general afforestation are compared input cost, in the local result of use away from water head site, non-irrigated condition, is evident as.The irrigation water that promotion is cultivated as economic forest, or utilize greenhouse by solar heat to carry out the plantation of high added value, improve effectiveness of operation, be a very promising water resources development and utilization approach.
Catchwork system is as an engineering system of afforested project, and its final purpose is to improve afforestation survival rate and retention rate, improves the amount of growth of forest.Except above-mentioned introduction, important link also comprises fitting coins woods choice of tree species, the application of new technique of afforestation, new method and new material, tending management, the extermination of disease and insect pest etc.
Accompanying drawing explanation
The reversed terrace catchwork schematic diagram that Fig. 1 provides for the embodiment of the present invention.
The horizontal stand catchwork schematic diagram that Fig. 2 provides for the embodiment of the present invention.
The horizontal ditch catchwork schematic diagram that Fig. 3 provides for the embodiment of the present invention.
The fish scale pit catchwork schematic diagram that Fig. 4 provides for the embodiment of the present invention.
The water storage project system schematic of catchmenting that Fig. 5 provides for the embodiment of the present invention.
Component Name in each figure is: 1-natural slope; Side slope in 2-; The outer side slope of 3-; 4-reversed terrace; 5-pan bottom shape plant pit; 6-lead; 7-semilune hole; 8-gathering surface; 9-water leg; 10-water inlet pipe; 11-drainpipe; 12-switch; 13-outlet pipe; 14-retaining cellar for storing things; 15 sedimentation and filtration ditches.
Embodiment
The object of the invention is to be achieved through the following technical solutions:
Of the present inventionly catchment, the method for water conservation, moisturizing comprises the following steps:
A, to catchment be to natural rainfall Collection and conservation, used to provide tree growth to grow.Catchment and have two types, the one, with mode and the Water-retaining Measure of whole ground engineering, natural rainfall is collected in forest land and plant pit; The 2nd, adopt and repair the facilities such as afflux face and afflux pond or water cellar, in season with heavy rainfall, by the natural rainfall collection storage of resident roof courtyard and road barren hill, when trees lack of water, supplementary irrigation is used.
b,be dig tree planting cave and enclose and build catchment area in tree, its effect one is chesson, improves soil structure, for tree root growth provides micro-territory subenvironment condition preferably wholely; The 2nd, improve the ability of collecting natural rainfall, increase and keep soil moisture content, to meet the demand of arboreal growth growth.The mode on whole ground has reversed terrace, horizontal stand, horizontal ditch, fish scale pit and other whole ground measure.
(1)reversed terrace claims again " triangle " horizontal ditch wholely.Be along contour by the method for soil preparation of domatic build stepped terrace, table top slopes inwardly into certain slope, because of the difference of deserted mountain natural grade, adverse slope is 5 ° ~ 15 °, field face width 1 ~ 3 m, ridge Wai Po approximately becomes 60 ° with interior side slope.Reversed terrace has the good effect conserving water and soil, but the amount of breaking ground on whole ground is large, and the amount of labour used is more.Can adopt in practice and manually build and utilize bulldozer to build, with the reversed terrace that bulldozer is built, also claim " machine maintenance reversed terrace ", can greatly improve engineering efficiency.
(2)horizontal stand be wholely along contour by the domatic method of soil preparation of building into narrow step-like terrace, be generally used for 30 ° following domatic.Terrace level or slightly slope inwardly, has less counter-slope.Mesa width is different because of the gradient, and generally in 0.8 ~ 1.0 about m, rank length is without certain standard, depending on landform, and the Huo Bupei ridge, the Ke Pei ridge, outer.
(3)horizontal ditch is a kind of method of soil preparation along contour ditching wholely, and ditch section is trapezoidal for well to scrape out, wide approximately 0.6 ~ 1.0 m suitable for reading, ditch bottom width 0.3 m, ditch depth 0.4 ~ 0.6 m; Approximately 45 ° of outside surface slopes, inner side (tree planting inclined-plane) approximately becomes 35 °, long 4 ~ 6 m of ditch; Two horizontal ditch top spacing 1.0 ~ 2.0 m, ditch spacing 2.0 ~ 3.0 m, horizontal ditch is pressed isosceles triangle and is arranged.When horizontal ditch is long, ditch Nei Keliuji road Heng Geng, but want basic horizontal in same level ditch.
(4)fish scale pit is a kind of conventional method of steep hillslope afforestation wholely, in mountain region, loess plateau application more, in beam (loess hills) slope, ditch hillside fields section, because of the gradient large (generally over 30 °), landform is more broken again, adopts fish scale pit wholely more.Fish scale pit is destroyed less for surface vegetation, be the important whole ground measure of Methods in Slop Improvement.The concrete grammar on whole ground, fish scale pit is: on hillside, dig approximate semi-moon shaped hole, between hole, be isosceles triangle and arrange, the size in hole often changes because of the difference of ninor feature and the seeds of planting, generally cheats wide (horizontal stroke) 0.8 ~ 1.5 m, long (indulging) 0.6 ~ 1.0 m in hole, hole is apart from 2.0 ~ 3.0 m.While digging pit, first table mound is placed on to the top in hole, the immature soil is deposited in to the below in hole, specification is dug behind hole on request, again mellow soil is returned and is encased inside in hole, under hole, continue to use the semicircular low bank of earth between fields that the immature soil surrounds high 20 ~ 25 cm, hole above left and right two jiaos each tiltedly open ditch one, to draw, hold more rainwater.
(5)except above-mentioned 4 kinds of main method of soil preparation, in production practices, also have many method of soil preparation, as fan-shaped, V font, two domatic, single domatic, infundibulate, pot bottom-shape, beading shape, alternation of slope and terrace etc., various method of soil preparation all have certain effect, can be according to actual conditions choice for use on the spot when afforestation and soil preparation.
(6)catchwork can be applicable in agricultural and production of fruit trees equally, make it have catchment, the more perfect functions such as water storage, water saving, water supply, the scope of application is wider.
C, water-retaining method: with mulch film, wheat straw, sandstone etc., there is the material covering plant pit of soil moisture conservation performance, to give full play to the measure of water retention.In afforestation is produced, can also adopt suppression soil moisture conservation to wait measure, also have in addition to trees are taked the unproductive blade of manual removal, sprinkling chemistry antitranspirant, use the measures such as anti-drought water-retaining agent.Wherein carrying out plant pit covering is a kind of simple, significant method of effect.Covering can obviously improve soil moisture content, to the arboreal growth under spring drought condition with grow very crucial.Water-retaining Measure also has plant pit to use the methods such as water-loss reducer, solid water and the anti-rising agent of tree body spray.
D, method for supplementing water: adopt infiltrating irrigation under slight irrigation, drip irrigation, film, intubate to fill with the methods such as root, water-injection irrigation, in arid, carry out the measure of supply moisture during without rain, nursery stock lack of water.
Comprise that in practice whole ground, plant pit join fertilizer (comprising composite fertilizer, farmyard manure and RE microbial fertilizer), plastic mulching water Collecting (also can cover grass, cover sandstone etc.), sowing (or planting seedlings), build gathering surface and retaining cellar for storing things and collect precipitation, spring period of drought and carry out the sport technique segments such as moisturizing irrigation.
Be illustrated again with reference to the accompanying drawings below:
The reversed terrace catchwork schematic diagram that Fig. 1 provides for the embodiment of the present invention.In the relatively slow slope of natural slope 1, build reversed terrace 4, field face width 1 ~ 3 m, slopes inwardly into 5 ° ~ 15 °, the inside and outside discrepancy in elevation 40 ~ 50cm of field face, and interior side slope 2 and outer side slope 3 gradients are 60 °.
The horizontal stand catchwork schematic diagram that Fig. 2 provides for the embodiment of the present invention.Generally at domatic 30 ° below along contour by natural slope 1 build stepped terrace, mesa width because of the gradient different, rank length is without certain standard, depending on landform, generally in 0.8 ~ 1.0 m left and right, terrace level or slightly slope inwardly, has less counter-slope, and interior side slope 2 and outer side slope 3 gradients are all less than 60 °.The Huo Bupei ridge, the Ke Pei ridge, outer, the high 20cm in the ridge, ridge top width 20cm.
The horizontal ditch catchwork schematic diagram that Fig. 3 provides for the embodiment of the present invention.Along contour, on the natural slope 1 ditching training ridge, form the interior side slope 2 and the outer side slope 3 that are less than 60 °, ditch section is trapezoidal, wide approximately 60 cm suitable for reading, ditch bottom width 30 cm, ditch depth 40 ~ 60 cm; Long 4 ~ 6 m of ditch; Two horizontal ditch top spacing 1.0 ~ 2.0 m, ditch spacing 2.0 ~ 3.0 m, horizontal ditch is pressed isosceles triangle and is arranged.When horizontal ditch is long, ditch Nei Keliuji road Heng Geng, but want basic horizontal in same level ditch.
The fish scale pit catchwork schematic diagram that Fig. 4 provides for the embodiment of the present invention.In beam (loess hills) slope, the ditch slope gradient large (generally over 30 °) and breaking topography location, adopt fish scale pit wholely more.On natural slope 1, dig approximate semi-moon shaped hole 7, generally cheat wide (horizontal stroke) 0.8 ~ 1.5 m, long (indulging) 0.6 ~ 1.0 m in hole, hole is apart from 2.0 ~ 3.0 m.The size in hole is often because the difference of ninor feature and the seeds of planting changes, while digging pit, first table mound is placed on to the top in hole, the immature soil is deposited in to the below in hole, specification is dug behind hole on request, again mellow soil is returned and is encased inside in hole, under hole, continue to use the semicircular low bank of earth between fields that the immature soil surrounds high 20 ~ 25 cm, between hole, be isosceles triangle and arrange, hole above left and right two jiaos each tiltedly open ditch 6 one, to draw, hold more rainwater.
The water storage project system schematic of catchmenting that Fig. 5 provides for the embodiment of the present invention.Precipitation is pooled to water leg 9 by gathering surface 8, gathering surface can be nature barren hill, also can be the vacant lot of resident's courtyard, roof, Around the house, the material of gathering surface can be asbestos shingle, also can be asphalt felt+pitch prill+broken sandstone, natural rainfall flow to sedimentation and filtration ditch 15, and mud or impurity are flowed into retainings cellar for storing things 14 through water inlet pipe 10 after of short duration precipitation, and reinforced concrete soil type cellar for storing things or the cement mortar antiseepage type cellar for storing things of catchmenting of catchmenting can be built in retaining cellar for storing things.In the top at retaining cellar for storing things and bottom, fix a drainpipe respectively 11 and outlet pipe 13, the effect of drainpipe is to discharge in time exceeding the water that cellar for storing things body holds, in case catchment in retaining cellar for storing things, overfill causes damage to cellar for storing things body; On the drainpipe of bottom, switch 12 is installed, is being needed used time water intaking pouring to use.Time water intaking pouring is used.
It is higher that catchwork system and general afforestation are compared input cost, in the local result of use away from water head site, non-irrigated condition, is evident as.The irrigation water that promotion is cultivated as economic forest, or utilize greenhouse by solar heat to carry out the plantation of high added value, improve effectiveness of operation, be a very promising water resources development and utilization approach.
Catchwork system is as an engineering system of afforested project, and its final purpose is to improve afforestation survival rate and retention rate, improves the amount of growth of forest.Except above-mentioned introduction, important link also comprises fitting coins woods choice of tree species, the application of new technique of afforestation, new method and new material, tending management, the extermination of disease and insect pest etc.
Claims (1)
1. adopt water collection and keeping moisturizing to improve a method for survival rate, it is characterized in that: this method comprise catchment, whole ground, water conservation, the several steps of moisturizing:
A, catchment method:
(1)mode with whole ground engineering is collected in natural rainfall in forest land and plant pit;
(2)the facilities such as afflux face and afflux pond, water cellar are repaiied in employing, and in season with heavy rainfall, by the natural rainfall collection storage of resident roof courtyard and road barren hill, when trees lack of water, supplementary irrigation is used;
b,method of soil preparation: dig tree planting cave and enclose and build catchment area in tree, the mode on whole ground has reversed terrace, horizontal stand, horizontal ditch, fish scale pit and other whole ground measure:
(1)the whole ground of reversed terrace: be by the method for soil preparation of domatic build stepped terrace along contour, table top slopes inwardly into certain slope, difference because of deserted mountain natural grade, adverse slope is 5 ° ~ 15 °, field face width 1 ~ 3 m, ridge Wai Po approximately becomes 60 ° with interior side slope, and reversed terrace has the good effect conserving water and soil, and adopts and manually builds and utilize bulldozer to build;
(2)the whole ground of horizontal stand: be by the domatic method of soil preparation of building into narrow step-like terrace along contour, be generally used for 30 ° following domatic, terrace level or slightly slope inwardly, there is less counter-slope, mesa width is different because of the gradient, and generally, in 0.8 ~ 1.0 m left and right, rank length is without certain standard, depending on landform, the Huo Bupei ridge, the Ke Pei ridge, outer;
(3)horizontal ditch is a kind of method of soil preparation along contour ditching wholely, and ditch section is trapezoidal for well to scrape out, wide approximately 0.6 ~ 1.0 m suitable for reading, ditch bottom width 0.3 m, ditch depth 0.4 ~ 0.6 m; Approximately 45 ° of outside surface slopes, inner side (tree planting inclined-plane) approximately becomes 35 °, long 4 ~ 6 m of ditch; Two horizontal ditch top spacing 1.0 ~ 2.0 m, ditch spacing 2.0 ~ 3.0 m, horizontal ditch is pressed isosceles triangle and is arranged; When horizontal ditch is long, ditch Nei Keliuji road Heng Geng, but want basic horizontal in same level ditch;
(4)whole ground, fish scale pit: be a kind of conventional method of steep hillslope afforestation, in mountain region, loess plateau, application is more, on beam (loess hills) slope, ditch hillside fields section, because of the gradient large (generally over 30 °), landform is more broken again, the whole ground, fish scale pit that adopts more, the concrete grammar on whole ground, fish scale pit is: on hillside, dig approximate semi-moon shaped hole, between hole, being isosceles triangle arranges, the size in hole is often because the difference of ninor feature and the seeds of planting changes, general hole wide (horizontal stroke) 0.8 ~ 1.5 m, long (indulging) 0.6 ~ 1.0 m in hole, hole is apart from 2.0 ~ 3.0 m, while digging pit, first table mound is placed on to the top in hole, the immature soil is deposited in to the below in hole, specification is dug behind hole on request, again mellow soil is returned and is encased inside in hole, under hole, continue to use the semicircular low bank of earth between fields that the immature soil surrounds high 20 ~ 25 cm, hole above left and right two jiaos each tiltedly open ditch one, to draw, hold more rainwater,
(5)except above-mentioned method of soil preparation, also, just like fan-shaped, V font, two domatic, single domatic, infundibulate, pot bottom-shape, beading shape, alternation of slope and terrace etc., various method of soil preparation all have certain effect, can be according to actual conditions choice for use on the spot when afforestation and soil preparation;
(6)catchwork: in the more concentrated place of afforestation, adopt and repair afflux face, afflux pond, afflux water cellar, make it have catchment, the function such as water storage, water saving, water supply, can improve survival rate;
C, water-retaining method: with mulch film, wheat straw, sandstone etc., there is the material covering plant pit of soil moisture conservation performance, to reach water conservation; In afforestation is produced, can also adopt suppression soil moisture conservation, the non-trees yielding ability of manual removal blade, spray chemical antitranspirant, use anti-drought water-retaining agent etc.; Carrying out plant pit covering is a kind of simple, significant method of effect, and covering can obviously improve soil moisture content, and Water-retaining Measure also has plant pit to use the methods such as water-loss reducer, solid water and the anti-rising agent of tree body spray;
D, method for supplementing water: in arid, carry out supply moisture during without rain, nursery stock lack of water, adopt infiltrating irrigation under slight irrigation, drip irrigation, film, intubate to fill with the methods such as root, water-injection irrigation to forest moisturizing; Whole ground, plant pit join fertilizer, plastic mulching water Collecting, seeding planting, build gathering surface and precipitation is collected at retaining cellar for storing things, spring period of drought carry out moisturizing irrigation.
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| CN104396691A (en) * | 2014-12-16 | 2015-03-11 | 中国科学院新疆生态与地理研究所 | Sacsaoul irrigation-free vegetative cover afforestation method for draughty gravel desert region |
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| CN113229096A (en) * | 2021-04-30 | 2021-08-10 | 中国科学院西北高原生物研究所 | Method suitable for afforestation and greening of high-altitude towns |
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