CN108513871A - Method for planting of the halophytes salt grass on brown ground saline-alkali soil - Google Patents
Method for planting of the halophytes salt grass on brown ground saline-alkali soil Download PDFInfo
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- CN108513871A CN108513871A CN201810339984.4A CN201810339984A CN108513871A CN 108513871 A CN108513871 A CN 108513871A CN 201810339984 A CN201810339984 A CN 201810339984A CN 108513871 A CN108513871 A CN 108513871A
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- 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
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C21/00—Methods of fertilising, sowing or planting
- A01C21/005—Following a specific plan, e.g. pattern
Abstract
The present invention provides a kind of method for planting of halophytes salt grass on brown ground saline-alkali soil, specifically comprises the following steps：Shallow-layer ponding region：In the region of 1 2cm of the depth of water, salt grass rice shoot is planted in water-bed mud, 1.0 2.0cm of planting depth, is not drifted about as degree with fixed；Phreatic high or seasonal ponding region：Open shallow ridges, 5 10cm of ditch depth, 18 25cm of furrow width, the interior watering of ditch, make to be in ponding state, salt grass rice shoot is planted in the soil of bottom of trench, 1.0 2.0cm of planting depth, is not drifted about as degree with fixed, it keeps planting furrow moisture sufficient in 2 weeks, after pricking level of ground water layer under new root, does not rewater；Phreatic low region：In flat plot, the sunken bed of wide 0.8 1.2m is done, the high 15cm in the bed ridge pours bed surface before planting, 1 2cm of the depth of water is kept, salt grass rice shoot is planted in water-bed mud, 1.0 2.0cm of planting depth, it is not drifted about as degree with fixed, hereafter no longer moisturizing, voluntarily absorbed water supply growth by newborn root system.
Description
Technical field
The present invention relates to the implantation methods of salt grass on a kind of palm fibre ground saline-alkali soil, using this method solve salt-soda soils to be difficult to plant
Plant plant, it is difficult to the problem of reparation.
Background technology
Salt grass is perennial, the halophytes of resistance to trimming, in coastal tidal well-grown.Be brownly once developed or profit
With, exist pollution either potential pollution threat be now in it is discarded or it is relatively low utilize state, need human intervention to be updated
The soil of transformation.Industrial coastal cities as similar Shanghai, many factories once are built in strand salt
Alkali ground.Now as need brownly progress restoration of the ecosystem, soil alkaline be still need face the problem of one of.In face of dry
The palm fibre ground saline-alkali soil that hot, wet many unfavorable factors such as flooded, barren, saline and alkaline are formed by stacking.Technical scheme of the present invention is using salt grass
It is repaired.
Invention content
It is an object of the invention to use salt grass phytoremediation palm fibre saline-alkali soil is barren, is difficult to the problem of growing plant, has
Body technique scheme is as follows：
Method for planting of the halophytes salt grass on brown ground saline-alkali soil, in the phreatic low region of brown ground saline-alkali soil, height
Level of ground water region, seasonal ponding region, shallow-layer ponding region plant halophytes salt grass, specifically comprise the following steps：
(1) shallow-layer ponding region：
In the region of depth of water 1-2cm, salt grass rice shoot is planted in water-bed mud, planting depth 1.0-2.0cm, with solid
It is fixed not drift about as degree；
(2) phreatic high or seasonal ponding region：
Shallow ridges, ditch depth 5-10cm, furrow width 18-25cm are opened, the interior watering of ditch makes to be in ponding state, salt grass rice shoot is planted in
In the soil of bottom of trench, planting depth 1.0-2.0cm is not drifted about as degree with fixed, keeps planting furrow moisture sufficient in 2 weeks, wait for new
After pricking level of ground water layer under root, do not rewater；
(3) phreatic low region：
In flat plot, the sunken bed of wide 0.8-1.2m is done, the high 15cm in the bed ridge pours bed surface before planting, keeps the depth of water
1-2cm is planted in salt grass rice shoot in water-bed mud, planting depth 1.0-2.0cm, is not drifted about for degree, hereafter no longer with fixed
Moisturizing, voluntarily absorbed water supply growth by newborn root system.
90-120 plants/m of planting density in the step (1)2, 3-8 plants/cave, the caves 15-25/m2, row hill spacing 25*
20cm。
Planting density 3-6 clumps/m in the step (2), 3-6 plants/clump, the caves 15-25/m2, line bundle spacing 25*20cm, cultivation
Earthing 2-3cm afterwards.
90-120 plants/m of planting density in the step (3)2, 3-6 plants/cave, the caves 15-25/m2, row hill spacing 25*
20cm, the water surface maintains 1-2cm in 2 weeks.
The salt grass rice shoot is 10cm seedling below.
In technical scheme of the present invention, titanium gypsum will be applied in the 5cm distances of halophytes salt grass plantation；It is applied at salt grass plant
Water-retaining property slow-release fertilizer；The titanium gypsum is not contacted with slow-release fertilizer, keeps the spacing of 3-5cm.
The mixture of water-retaining agent and its fertilizer point is applied at salt grass plant.
The titanium gypsum dosage is 80-120kg per acre.
The water-retaining property slow-release fertilizer is urea or the composite fertilizer of water-retaining agent package；The water-retaining agent is polyacrylamide
Amine, Sodium Polyacrylate；The mass ratio 10-20 of the water-retaining agent and fertilizer point：3-5 (i.e. in water-retaining property slow-release fertilizer, water-retaining agent and fertilizer
The mass ratio of part is 10-20：3-5；Water-retaining agent with fertilizer be divided to two kinds mix when, water-retaining agent with fertilizer part mass ratio be 10-20：3-5；
The mass ratio of further preferably water-retaining agent and fertile part is 15：4).
In technical scheme of the present invention, palm fibre ground saline-alkali soil is by palm fibre to be formed by stacking with the character in salt-soda soil.It is existing saline and alkaline
Feature, and have brown ground feature.
The present invention provide it is a kind of palm fibre ground salt-soda soil on plant salt grass method, the drought resisting of salt grass, cold-resistant, saline-alkali tolerant, it is waterlogging,
A variety of merits such as barren-resistant fully utilize, and can cover earth's surface comprehensively, and soft, vivid green vegetation is presented in whole year.
This method for planting is suitable for the phreatic low region of the palm fibre ground saline-alkali soil such as discarded coastal chemical plant, steel plant, high underground water
Position or the region of seasonal ponding, long-term shallow-layer ponding region.Since (salt grass rice shoot is 10cm seedling below to salt grass rice shoot.)
Water and not drought-enduring is liked, according to the different water regimes for transplanting environment, takes different method for planting.
It can also be used in technical scheme of the present invention and apply titanium gypsum in salt-soda soil, titanium gypsum is that (pH is substantially for faintly acid
For 6.0-6.8), it can be used for neutralizing the alkalinity in salt-soda soil, its pH near the plantation of salt grass made to be adjusted to 8-9 (beach saline land pH
9 generally are not exceeded, because based on the neutral salt such as sodium chloride.And inland salt-soda soil is based on basic salt, pH higher.For ginseng
Examine), it is suitble to the living environment of salt grass plant.Another titanium gypsum of the present invention also has certain adsorptivity, is tried through water-retaining property
After agent or the application of water-retaining property slow-release fertilizer, control salt grass is balanced in the middle water requirement of growth course and the nutrition of fertilizer point, keeps it long-term
In soft, vivid green vegetation.And those skilled in the art know to contain toxic substance in brown ground salt-soda soil, using titanium
Gypsum can make absorption of the promotion salt grass plant to noxious material, promote restoration of the ecosystem.
Embodiment 1
(1) shallow-layer ponding region：
In the region of depth of water 1-2cm, salt grass rice shoot is planted in water-bed mud, planting depth 1.0-2.0cm, with solid
It is fixed not drift about as degree；100 plants/the m of planting density2, 5 plants/cave, 205 caves/m2, row hill spacing 25*20cm.
(2) phreatic high or seasonal ponding region：
Shallow ridges, ditch depth 5-10cm, furrow width 18-25cm are opened, the interior watering of ditch makes to be in ponding state, salt grass rice shoot is planted in
In the soil of bottom of trench, planting depth 1.0-2.0cm is not drifted about as degree with fixed, keeps planting furrow moisture sufficient in 2 weeks, wait for new
After pricking level of ground water layer under root, do not rewater；5 clumps/the m of planting density, 5 plants/clump, 20 caves/m2, line bundle spacing 25*
20cm, earthing 2-3cm after cultivation.
(3) phreatic low region：
In flat plot, the sunken bed of wide 0.8-1.2m is done, the high 15cm in the bed ridge pours bed surface before planting, keeps the depth of water
1-2cm is planted in salt grass rice shoot in water-bed mud, planting depth 1.0-2.0cm, is not drifted about for degree, hereafter no longer with fixed
Moisturizing, voluntarily absorbed water supply growth by newborn root system.100 plants/the m of planting density2, 5 plants/cave, 20 caves/m2, row hill spacing
25*20cm, the water surface maintains 1-2cm in 2 weeks.
Embodiment 2
Shallow-layer ponding region：
In the region of depth of water 1-2cm, salt grass rice shoot is planted in water-bed mud, planting depth 1.0-2.0cm, with solid
It is fixed not drift about as degree.Titanium gypsum will be applied in the 5cm distances of halophytes salt grass plantation simultaneously, titanium gypsum dosage is 100kg per acre；
Water-retaining property slow-release fertilizer is applied at salt grass plant, and (mass ratio of the specially urea of polyacrylamide package, water-retaining agent and fertile part is 15：
4)；The titanium gypsum is not contacted with slow-release fertilizer, keeps the spacing of 3cm.
Embodiment 3
Phreatic high or seasonal ponding region：
Shallow ridges, ditch depth 5-10cm, furrow width 18-25cm are opened, the interior watering of ditch makes to be in ponding state, salt grass rice shoot is planted in
In the soil of bottom of trench, planting depth 1.0-2.0cm is not drifted about as degree with fixed, keeps planting furrow moisture sufficient in 2 weeks, wait for new
After pricking level of ground water layer under root, do not rewater；5 clumps/the m of planting density, 5 plants/clump, 20 caves/m2, line bundle spacing 25*
20cm, earthing 2-3cm after cultivation.
In technical scheme of the present invention, applying titanium gypsum in the 5cm distances of halophytes salt grass plantation, (titanium gypsum dosage is
90kg per acre)；Mixture (the quality of Sodium Polyacrylate and urea of water-retaining agent Sodium Polyacrylate and its fertilizer point is applied at salt grass plant
Than being 18：3.5)；The titanium gypsum is not contacted with mixture, keeps the spacing of 5cm.
Embodiment 4
Phreatic low region：
In flat plot, the sunken bed of wide 0.8-1.2m is done, the high 15cm in the bed ridge pours bed surface before planting, keeps the depth of water
1-2cm is planted in salt grass rice shoot in water-bed mud, planting depth 1.0-2.0cm, is not drifted about for degree, hereafter no longer with fixed
Moisturizing, voluntarily absorbed water supply growth by newborn root system.100 plants/the m of planting density2, 5 plants/cave, 20 caves/m2, row hill spacing
25*20cm, the water surface maintains 1-2cm in 2 weeks.
In technical scheme of the present invention, applying titanium gypsum in the 5cm distances of halophytes salt grass plantation, (titanium gypsum dosage is
120kg per acre)；Mixture (the matter of Sodium Polyacrylate and urea of water-retaining agent Sodium Polyacrylate and its fertilizer point is applied at salt grass plant
Amount is than being 20：3)；The titanium gypsum is not contacted with mixture, keeps the spacing of 5cm.
1 salt grass seeds growing area soil background situation of table
* it notes：1 indicates phreatic low region；2 indicate the region of phreatic high or seasonal ponding；3 indicate long-term shallow
Lamination water area.
Soil regime after 2 salt grass planting of table 1 year
* it notes：1 indicates phreatic low region；2 indicate the region of phreatic high or seasonal ponding；3 indicate long-term shallow
Lamination water area.
Analysis：Salt grass is the perennial salt-tolerant plant in strand, and resistance to trimming can gather in 1-4 times for 1 year.By harvesting, can incite somebody to action
Salinity and pollutant are taken away.
By the soil regime comparison before and after table 1,2 salt grass plantings, plantation and periodically harvesting salt grass can reduce soil and contain
Salt amount and pH, available nitrogen increased.There is reducing effect to heavy metal and polycyclic aromatic hydrocarbon.
The planting effect of different location is variant.In general, with reclamation result after phreatic low ecological region planting
Preferably, long-term shallow-layer ponding region effect is poor, may be difficult to control with water quality related.
From the point of view of dropping pollution effects, cadmium, arsenic and polycyclic aromatic hydrocarbon are better than to the adsorption effect of copper, zinc ion.
Claims (9)
1. method for planting of the halophytes salt grass on brown ground saline-alkali soil, which is characterized in that in the low underground water of brown ground saline-alkali soil
Position region, phreatic high region, seasonal ponding region, shallow-layer ponding region plant halophytes salt grass, specifically include as
Lower step：
（1）Shallow-layer ponding region：
In the region of depth of water 1-2cm, salt grass rice shoot is planted in water-bed mud, planting depth 1.0-2.0cm, to fix not
Drift is degree；
（2）Phreatic high or seasonal ponding region：
Shallow ridges, ditch depth 5-10cm, furrow width 18-25cm are opened, the interior watering of ditch makes to be in ponding state, salt grass rice shoot is planted in bottom of trench
Soil in, planting depth 1.0-2.0cm is not drifted about as degree with fixed, planting furrow moisture abundance is kept in 2 weeks, is waited under new root
After pricking level of ground water layer, do not rewater；
（3）Phreatic low region：
In flat plot, the sunken bed of wide 0.8-1.2m is done, the high 15cm in the bed ridge pours bed surface before planting, keeps depth of water 1-
2cm is planted in salt grass rice shoot in water-bed mud, planting depth 1.0-2.0cm, is not drifted about as degree with fixed, is hereafter no longer mended
Water, voluntarily absorbed water supply growth by newborn root system.
2. method for planting of the halophytes salt grass described in claim 1 on brown ground saline-alkali soil, which is characterized in that the step
Suddenly（1）In 90-120 plants/m of planting density2, 3-8 plants/cave, the caves 15-25/m2, row hill spacing 25*20cm.
3. method for planting of the halophytes salt grass described in claim 1 on brown ground saline-alkali soil, which is characterized in that the step
Suddenly（2）In planting density 3-6 clumps/m, 3-6 plants/clump, the caves 15-25/m2, line bundle spacing 25*20cm, earthing 2-3cm after cultivation.
4. method for planting of the halophytes salt grass described in claim 1 on brown ground saline-alkali soil, which is characterized in that the step
Suddenly（3）In 90-120 plants/m of planting density2, 3-6 plants/cave, the caves 15-25/m2, row hill spacing 25*20cm, the water surface maintains in 2 weeks
1-2cm。
5. method for planting of the halophytes salt grass described in claim 1 on brown ground saline-alkali soil, which is characterized in that the salt
Careless rice shoot is 10cm seedling below.
6. method for planting of the claim 1-5 any one of them halophytes salt grass on brown ground saline-alkali soil, which is characterized in that
Titanium gypsum is applied in the 5cm distances of halophytes salt grass plantation；Water-retaining property slow-release fertilizer is applied at salt grass plant；The titanium gypsum with it is slow
It releases fertilizer not contact, keeps the spacing of 3-5cm.
7. method for planting of the halophytes salt grass on brown ground saline-alkali soil described in claim 6, which is characterized in that salt grass is transplanted
Apply the mixture of water-retaining agent and its fertilizer point in place.
8. method for planting of the halophytes salt grass on brown ground saline-alkali soil described in claim 6, which is characterized in that the titanium
Gypsum dosage is 80-120kg per acre.
9. method for planting of the halophytes salt grass on brown ground saline-alkali soil described in claim 6 or 7, which is characterized in that described
Water-retaining property slow-release fertilizer be water-retaining agent package urea or composite fertilizer；The water-retaining agent is polyacrylamide, Sodium Polyacrylate；
The mass ratio 10-20 of the water-retaining agent and fertilizer point：3-5.
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| CN201810339984.4A CN108513871A (en) | 2018-04-16 | 2018-04-16 | Method for planting of the halophytes salt grass on brown ground saline-alkali soil |
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| CN201810339984.4A CN108513871A (en) | 2018-04-16 | 2018-04-16 | Method for planting of the halophytes salt grass on brown ground saline-alkali soil |
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2018
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