CN109601050B - Horizontal ploughing method for treating soil salt surface-to-surface accumulation phenomenon - Google Patents
Horizontal ploughing method for treating soil salt surface-to-surface accumulation phenomenon Download PDFInfo
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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
Abstract
The invention relates to the technical field of improvement of agricultural soil saline-alkali soil, in particular to a horizontal ploughing method for treating the phenomenon of surface segregation and accumulation of soil salt, which mainly comprises the following steps: (1) before the soil is covered with a film, a horizontal turning plow is used for carrying out horizontal turning operation on the soil to be covered with the film, horizontally turning the soil which is not covered with the film and is positioned between the two films and is positioned in a bare land position between the two films to be covered with the film, and then horizontally turning the soil which is adjacent to the position to be covered with the film and is positioned in the bare land position between the two films which are not covered with the film; (2) after the horizontal plowing operation is finished, covering a film on the soil, and planting crops by adopting a drip irrigation technology under the film, so that the soil with high salt content plowed into the film is subjected to separate leaching under the action of the drip irrigation to be below a plough layer in the film. The method is simple to operate, economical and practical, and can effectively reduce the apparent accumulation of the soil salt in bare land between two membranes by combining the local soil dressing improvement and water conservancy leaching improvement on the soil salt under the conditions of film covering and drip irrigation.
Description
Technical Field
The invention relates to the technical field of improvement of agricultural soil saline-alkali soil, in particular to a horizontal ploughing method for treating the phenomenon of surface segregation of soil salt.
Background
The salinization of soil is an important factor restricting the development of agricultural production, and mainly refers to a soil evolution process that salt segregants in soil are increased or soluble salts are continuously gathered to the earth surface after being separated, so that the physical and chemical properties of the soil are changed and the growth of plants is harmed to a certain extent. The treatment of soil salinization generally adopts physical, chemical, biological, water conservancy and combination technologies to improve.
The film-covered drip irrigation technology is widely adopted in Xinjiang areas for farmland irrigation. The use of drip irrigation technology makes the salt content of the soil in the membrane very low, and the salt content of the soil surface layer between the membranes (bare land between the two membranes) very high, but the salt content of the soil under the membranes is not high, and the salt content of the surface layer (referred to as surface poly-salt) needs to be effectively reduced. However, the current farmland plowing technology is to vertically plow the soil, and only can vertically plow the surface salt to the plough bottom layer. The salt content of the soil in the film under the condition of film covering and drip irrigation is restrained below a plough layer by the action of irrigation and drip irrigation, and the improvement effect on the salt content of the soil is not great if the soil is vertically ploughed. The inter-membrane soil cannot be irrigated and washed, but is subject to evaporation, and after the inter-membrane soil is vertically ploughed, only the surface accumulated salt of the soil can be ploughed to the plough bottom layer, but under the influence of the side infiltration of the intra-membrane soil irrigation and the evaporation of the ground surface, the salt of the plough bottom layer can rise to the ground surface again. Therefore, it is difficult to effectively reduce the salt segregation phenomenon by simply vertically turning the inter-membrane soil. This is a difficult problem to be solved for the film-covered drip irrigation technology. Currently, no effective treatment means for the problem exists.
Disclosure of Invention
The invention aims to provide the horizontal plowing method which is simple to operate, economical and practical, can combine the local soil dressing improvement and the water conservancy leaching improvement on soil salinity under the film-covered drip irrigation condition, and can effectively reduce the soil salt segregation phenomenon of bare land between two films.
A horizontal plowing method for treating the phenomenon of soil salt surface segregation is used in a drip irrigation planting mode under a crop film and is characterized by mainly comprising the following steps: (1) before the soil is coated with a film, horizontally ploughing the soil to be coated with the film by using a horizontal ploughing plough tool, horizontally ploughing the soil which is not coated with the film and is positioned between the two films and is in a bare land position to be coated with the film, and then horizontally ploughing the soil which is adjacent to the position to be coated with the film and is positioned between the two films which are not coated with the film to the bare land position, thus sequentially horizontally ploughing the soil to ensure that the soil at the bare land position between the two films which are not coated with the film and the soil at the position to be coated with the film are horizontally displaced; (2) after the horizontal plowing operation of the soil is finished, the soil is covered with a film according to the existing under-film drip irrigation planting mode, then the under-film drip irrigation technology is adopted to plant crops, so that the soil with high salt content plowed into the film is subjected to sub-drip irrigation until the salt content of the soil is below a tillage layer in the film.
Preferably, the materials used in the under-film drip irrigation planting mode mainly comprise a mulching film for storing water and preserving soil moisture, and drip irrigation belts are laid under the film, the width of the bare soil between the films is 60cm, and the drip irrigation belts are arranged close to the crop planting rows.
Preferably, the plowing width is 60 cm-80 cm, and the plowing depth is 20 cm-50 cm.
Preferably, the horizontal turning plow tool is a horizontal turning plow tool, and the structure of the horizontal turning plow tool comprises a soil shifting plate, a plow standard and a plow blade, wherein the soil shifting plate comprises an installation part I and a soil shifting panel, the installation part I is provided with a positioning hole III, the soil shifting panel is in an arc curved surface extending upwards, the upper end of the arc curved surface, namely the rear side of the upper end of the soil shifting plate facing the soil surface, is upwards and forwards turned and bent to form a twisted surface shape, and the twist angle of the uppermost end is the largest;
the plough column is a bent plate-shaped body and comprises an upper part, a bent part and an installation part II, wherein the bent part is bent, the upper part is provided with an installation hole, and the installation part II is provided with a positioning hole II;
the coulter blade comprises a blade body, a blade front part and a blade rear part, wherein a positioning hole I is formed in the blade body, the blade front part is in a pointed shape, and cutting edges are arranged at the blade front part and the lower end of the blade body;
the outer side surface of the mounting part I at the lower end of the soil shifting plate is detachably connected with the positioning hole I of the plough coulter blade through a positioning hole III, and the inner side surface of the mounting part I is detachably connected with the positioning hole II of the plough column through a positioning hole III.
Preferably, the blade body is horizontally inclined at an angle to the right with respect to the forward direction of the tractor, and vertically inclined at the upper portion thereof.
Preferably, when the blade of the horizontal tilling blade is mounted, an included angle of the blade body deviating to the right side in the horizontal direction with respect to the forward direction of the tractor is an acute angle.
Preferably, the size of the positioning hole III of the soil stirring plate of the horizontal turning plow blade, the size of the positioning hole I of the plow blade and the size of the positioning hole II of the plow standard are matched with the positions of the positioning holes.
Preferably, the plough blade of the horizontal plowing plough blade is made of carbon structural steel.
According to different drip irrigation planting modes, when the horizontal plowing is carried out, the horizontal width of the horizontal plowing coulter can be adjusted, or a plurality of groups of horizontal plowing coulters are combined side by side, so that the horizontal displacement width of the soil is designed in advance; in the current commonly used drip irrigation planting mode under the mulch, two lines are planted on one mulch, four lines are planted on one mulch, six lines are planted on the wider mulch, the width of the mulch is mostly 80cm, 120cm or 150cm, and the width of the bare soil between the mulch is 60 cm; the drip irrigation belts are arranged close to the crop planting rows.
The working principle of the invention is as follows:
farmland crops can only grow normally under the condition that the salt content of soil is low. The measures for improving the saline-alkali soil mainly comprise four types: water conservation improvement, biological improvement, chemical improvement and soil improvement. Under the condition of mulching cultivation, water is irrigated into soil in the mulching film to enable salt to be in a leaching state, and the water conservation improvement effect can be achieved. The soil outside the membrane is neither irrigated nor planted, but is also subject to evaporation from the surface, so that the salt in the soil outside the membrane will accumulate on the surface. Therefore, the salinity of the soil outside the membrane needs to be improved by adopting a foreign soil improvement means. The horizontal ploughing measure is used for ploughing the soil with high salt content on the surface layer between the membranes to the position in the membranes, and ploughing the soil with low salt content on the surface layer in the membranes to the position outside the membranes; the method not only can reduce the salt content of the soil outside the membrane, but also can realize local foreign soil improvement by utilizing the characteristics of loose structure, improved water storage capacity, vertical downward leaching of salt, effective limitation of horizontal movement of the water carrying salt of the soil inside the membrane to the outside of the membrane and the like of the soil inside the membrane after ploughing.
The invention relates to a salinity management mode combining water conservancy and local foreign soil improvement, which comprises the steps of horizontally ploughing soil in bare land between membranes into membranes by using a horizontal ploughing plough, horizontally ploughing soil in the membranes into bare land between membranes, and sequentially superposing the soil; after film covering, the drip irrigation technology under the film is adopted for crop planting, so that the high-salt-content soil ploughed into the film is subjected to sub-spray washing of the salt below a tillage layer in the film under the drip irrigation effect, and thus, the salt surface accumulation phenomenon of bare land between films is effectively slowed down.
The horizontal plowing method adopted by the invention is that before the next round of film covering planting, the high-salt-content soil gathered on the surface layer of the soil between films after the previous round of planting is horizontally plowed to the position in the film, and the salt is leached to the deep soil in the film under the action of moisture after the film covering; meanwhile, the low-salinity soil in the film after the previous round of planting is horizontally ploughed to the position between the films, so that the salinity content of the soil between the films is integrally reduced, and the problem of salt surface accumulation of the film-covered drip irrigation soil is solved by adopting a method combining water conservancy improvement and local soil dressing improvement.
The horizontal turning plow blade used in the horizontal turning operation is reasonable in structure, economical and practical, good in horizontal turning effect and capable of exchanging soil for foreign high-salinity soil outside the membrane with low-salinity soil inside the membrane. When the horizontal ploughing coulter is used for ploughing soil, the torsional surfaces of the coulter blade and the soil shifting plate can generate extrusion force on the soil along the advancing direction of the plough; due to the blocking effect of the longitudinal edge of the soil shifting plate, the soil is horizontally thrown to the side, and the horizontal ploughing of the soil is realized. Therefore, when the plough coulter is used for ploughing, the high-salinity soil on the outer surface layer of the membrane can be horizontally thrown to the position in the membrane; and the low-salinity soil in the membrane is thrown to the position outside the membrane, so as to realize the improvement of the foreign soil. The plowing depth can be adjusted by controlling the mounting hole at the upper part of the plow standard; the horizontal throwing width can be adjusted by controlling the walking speed of the tractor. After irrigation, the salt in the membrane can be leached to the bottom layer of the membrane along with the movement of water, thereby effectively treating the water produced by the membrane-covering drip irrigation technologyOutside the membraneThe phenomenon of salt surface segregation can also play a certain reference role in the soil salinization control.
The salt inhibiting agent is proved by experiments in a laboratory, and has good salt inhibiting effect under the same soil condition, drip irrigation water quantity and plowing depth. As shown in the following table, the data in the table are laboratory data results, so that the width of the coating film is 30cm, the plowing width is 20cm, and the plowing depth is 15 cm;
| soil texture | Width of coating film | Width of ploughing | Depth of plowing | Amount of irrigation | Soil salinity background value g/kg | The salt accumulation rate of the soil on the outer surface layer of the membrane after no-tillage treatment is percent | The salt accumulation rate of the soil on the outer surface layer of the film after the plowing treatment is percent |
| Sand soil | 30cm | 20cm | 15cm | 55mm | 17.122 | 269.30 | 18.21 |
Under the conditions that the water dripping amount is 11 liters and the plowing depth is 15cm, the surface soil salinity can be reduced by 77.59% in the first plowing, the surface salinity accumulation amount is gradually reduced along with the increase of plowing times, and the membrane soil can achieve the desalting effect after three plowing times.
Referring to the attached figures 3-6, the soil used in the test is sandy soil, and the soil salinity background value is 17.122 g/kg. And (3) carrying out three-dimensional tillage and no-tillage treatment on the test soil after drip irrigation under the film, and analyzing the distribution condition of salt in the film and the soil between the films under different tillage measures after sampling.
As shown in fig. 3-4, the intramembranous soil (below the dripper and 10cm away from the dripper) shows the phenomena of upper-layer soil desalination and lower-layer soil salt accumulation under different cultivation measures, and the intramembranous soil desalination depth adopting the three-dimensional turning technology is smaller than that of no-tillage treatment, but the salt accumulation value of the intramembranous bottom soil is larger than that of the no-tillage treatment; the desalting depth of the soil below the dripper under the three-dimensional plowing technology is 48.5cm, the salt content of the soil at the bottom layer is 51.42g/kg, the desalting depth of the soil subjected to no-tillage treatment reaches 56cm, and the salt content of the soil at the bottom layer is 27.58 g/kg; intramembrane soil 10cm from the dripper exhibited similar characteristics.
As shown in fig. 5-6, the difference of the distribution rules of the salinity of the soil outside the membrane 25cm away from the dripper is not large under different cultivation measures, but the distribution characteristics of the salinity of the soil outside the membrane 40cm away from the dripper are obviously different under different cultivation measures, the soil is always kept in a salt accumulation state in the whole soil layer depth range under no-cultivation treatment, the salt accumulation phenomenon of the surface soil is most obvious, the salinity content reaches 64.3g/kg, the salt accumulation rate of the surface soil is obviously reduced through the cultivation treatment of the three-dimensional cultivation technology, and the phenomena of upper-layer soil desalination and lower-layer soil salt accumulation are shown.
The method is characterized in that the soil with higher salt content on the outer surface layer of the membrane can be horizontally ploughed to the position in the membrane after the three-dimensional ploughing technology is adopted, the soil is washed to the bottom layer in the membrane under the action of moisture after the membrane is covered again for drip irrigation, and the soil outside the membrane is changed into the soil inside the membrane with lower salt content, so that the effect of controlling the soil salt surface segregation between the membranes by combining water conservancy and local foreign soil improvement under the condition of drip irrigation under the membrane is achieved.
In conclusion, the invention can be applied to the using area of the film-covered drip irrigation technology, the technology of combining water conservancy and local soil dressing improvement is adopted, the high-salinity soil gathered in the bare land between the films is horizontally ploughed into the films, the salinity is transferred to the position below the plough layer in the films through the drip irrigation water leaching action in the crop growth period, and the bare land between the films is replaced by the soil with lower salinity content, so that the salt segregation phenomenon of the bare land between the films is relieved, and the salt content of the soil of the farmland is effectively reduced.
Compared with the prior art, the horizontal plowing method is simple in operation method and remarkable in desalting effect, can effectively treat the phenomenon of salt surface accumulation outside the membrane generated by the membrane covering drip irrigation technology by exchanging soil dressing with high-salinity soil outside the membrane and low-salinity soil inside the membrane, and is economical, practical and suitable for popularization.
Drawings
FIG. 1 is a schematic view of the horizontal plowing operation mode of the present invention.
FIG. 2 is a schematic view of a crop planting pattern according to the present invention.
As shown in the figure: 1 is the soil under the mulch, 2 is the bare soil between the mulch, 3 is the crop, 4 is the mulch film, 5 is the drip irrigation tape.
FIG. 3 is a schematic diagram showing the effect of upper soil desalination and lower soil salt accumulation on the soil below the membrane dripper under different cultivation measures.
FIG. 4 is a schematic diagram showing the effect of upper soil desalination and lower soil salt accumulation in the soil with a distance of 10cm from a dripper in the film under different cultivation measures.
FIG. 5 is a diagram showing the distribution characteristics of salt in soil 25cm away from a dripper outside a film under different cultivation measures.
FIG. 6 is a diagram showing the distribution characteristics of salt in soil 40cm away from a dripper outside a film under different cultivation measures.
Fig. 7 is a schematic structural view of the horizontal plowing coulter in the embodiment of the invention.
Fig. 8 is a schematic front view of the structure of fig. 7.
Fig. 9 is a schematic top view of fig. 7.
Fig. 10 is a schematic diagram of the structure viewed from the right in fig. 7.
Fig. 11 is a schematic rear view of fig. 7.
FIG. 12 is a schematic view of the plow standard of FIG. 7.
Fig. 13 is a schematic structural view of the soil-shifting plate in fig. 7.
Fig. 14 is a schematic view of the construction of the plow blade of fig. 7.
FIG. 15 is a schematic view showing the installation position relationship of the horizontal tilling blade used in the present invention, compared to the advancing direction of the motorcycle in the embodiment.
Shown in the figure: 6 is the mounting hole, 7 is the plow standard, 8 is the upper end rear side, 9 is dialling the native face of panel back of the earth, 10 is locating hole I, 11 is the coulter piece, 12 is the dialling the earth, 13 is the dialling the native face of panel meeting, 14 is the upper end front side, 15 is installation department II, 16 is installation department I, 17 is the upper portion, 18 is the kink, 19 is locating hole II, 20 is locating hole III, 21 is the blade front portion, 22 is the blade body, 23 is the blade rear portion, 24 is the contained angle with the locomotive direction of advance, 25 is the locomotive direction of advance.
Detailed Description
Example 1:
a horizontal plowing method for treating the phenomenon of soil salt surface segregation is used in a drip irrigation planting mode under a crop film and is characterized by mainly comprising the following steps: (1) before the soil is coated with a film, horizontally ploughing the soil to be coated with the film by using a horizontal ploughing plough tool, horizontally ploughing the soil which is not coated with the film and is positioned between the two films and is in a bare land position to be coated with the film, and then horizontally ploughing the soil which is adjacent to the position to be coated with the film and is positioned between the two films which are not coated with the film to the bare land position, thus sequentially horizontally ploughing the soil to ensure that the soil at the bare land position between the two films which are not coated with the film and the soil at the position to be coated with the film are horizontally displaced; (2) after the horizontal plowing operation of the soil is finished, the soil is covered with a film according to the existing under-film drip irrigation planting mode, then the under-film drip irrigation technology is adopted to plant crops, so that the soil with high salt content plowed into the film is subjected to sub-drip irrigation until the salt content of the soil is below a tillage layer in the film.
The drip irrigation planting mode under the membrane used materials mainly include a mulching film used for storing water and preserving soil moisture, drip irrigation belts laid under the membrane, the width of bare land soil between the membranes is 60cm, and the drip irrigation belts are arranged close to crop planting rows.
The horizontal plowing width is 60cm, and the vertical plowing depth is 20 cm.
Referring to the schematic diagram of the planting mode of the drip irrigation crops under the film shown in the attached figure 1, the drip irrigation crops under the film comprise under-film soil 1 of a film-covered planting area and bare soil 2 between films; drip irrigation belts 5 for irrigating crops are arranged under the film, two drip irrigation belts are paved under the film, and 4 is a mulching film. As shown in fig. 2, the farmland soil is ploughed by adopting a horizontal ploughing technology before planting crops, the low-salinity soil of the under-film soil 1 of the film-covered planting area is ploughed horizontally to the bare land between films, the high-salinity soil of the under-film bare land soil 2 is ploughed horizontally to the film-covered planting area at the adjacent position, and the ploughing width is 60cm, and the ploughing depth is 20 cm; and after the plowing is finished, planting the crops by adopting a drip irrigation under film technology. Laying a mulching film 4 in the film-covered planting area; and a drip irrigation belt 5 is laid under the mulching film 4 for drip irrigation, high-salinity soil in the film is ploughed from bare land between the films and is transferred to the bottom layer in the film under the drip irrigation water leaching effect, so that the salt content of the bare land between the films is effectively reduced, and the effect of treating soil salt surface segregation by combining water conservancy with local soil dressing improvement is achieved.
Referring to fig. 7-15, the structure of the horizontal turning plow blade used in the embodiment of the invention comprises a soil shifting plate 12, a plow standard 7 and a plow blade 11, wherein the soil shifting plate 12 comprises an installation part i 16 and a soil shifting panel, the installation part i 16 is provided with a positioning hole iii 20, the soil shifting panel is in an upward extending arc curved surface shape, the upper end of the arc curved surface, namely the rear side 8 of the upper end of the soil shifting plate facing the soil 13, is upwards and forwards turned and bent to form a twisted surface shape, and the twist angle of the uppermost end is the largest;
the plough column 7 is a bent plate-shaped body and comprises an upper part 17, a bent part 18 and an installation part II 15, wherein the bent part 18 is bent, the upper part is provided with an installation hole 6, and the installation part II 15 is provided with a positioning hole II 19;
the plough blade 11 comprises a blade body 22, a blade front part 21 and a blade rear part 23, wherein the blade body 22 is provided with a positioning hole I10, the blade front part 21 is in a pointed shape, and the lower ends of the blade front part 21 and the blade body 22 are both provided with cutting edges;
the outer side surface of the mounting part I16 at the lower end of the soil shifting plate 12 is detachably connected with the positioning hole I10 of the plough blade 11 through a positioning hole III 20, and the inner side surface of the mounting part I is detachably connected with the positioning hole II 19 of the plough column through the positioning hole III 20.
When the coulter blade 11 is installed, when the coulter blade of the horizontal turning coulter is installed, the front part of the blade faces the advancing direction of the locomotive, the blade body 22 deviates to the right side by an included angle compared with the advancing direction of the tractor in the horizontal direction, the included angle is an included angle 24 with the advancing direction of the locomotive, and in the vertical direction, the blade body 22 inclines to the right side.
The soil facing surface of the plough coulter 11 is sharp and sharp, and the rear end of the plough coulter is flush with the rear end of the soil shifting plate 12; the plow standard 7 is positioned at the inner side of the soil shifting plate 12, the soil backing surface of the soil shifting plate 12 is close to the plow standard 7, the rear end of the soil shifting plate is flush with the rear end of the soil shifting plate 12, and the lower part of the soil shifting plate is detachably connected with the soil shifting plate 12 through a locking piece.
Example 2:
compared with example 1, the difference lies in: the horizontal plowing width is 80cm, and the vertical plowing depth is 30 cm.
When the coulter blade 11 of the horizontal plowing coulter is installed, the included angle of the blade body 22 deviated to the right side in the horizontal direction is an acute angle compared with the traveling direction of a tractor.
Example 3:
compared with example 2, the difference lies in: the horizontal plowing width is 70cm, and the vertical plowing depth is 50 cm.
The size and the position of the positioning hole III 20 of the soil stirring plate 12 of the horizontal turning plow blade, the positioning hole I10 of the plow blade 11 and the positioning hole II 19 of the plow standard 7 are matched.
Example 4:
compared with example 3, the difference lies in: the material of the coulter blade 11 of the horizontal plowing coulter is carbon structural steel.
Claims (8)
1. A horizontal plowing method for treating the phenomenon of soil salt surface segregation is used in a drip irrigation planting mode under a crop film and is characterized by mainly comprising the following steps: (1) before the soil is coated with a film, horizontally ploughing the soil to be coated with the film by using a horizontal ploughing plough tool, horizontally ploughing the soil which is not coated with the film and is positioned between the two films and is in a bare land position to be coated with the film, and then horizontally ploughing the soil which is adjacent to the position to be coated with the film and is positioned between the two films which are not coated with the film to the bare land position, thus sequentially horizontally ploughing the soil to ensure that the soil at the bare land position between the two films which are not coated with the film and the soil at the position to be coated with the film are horizontally displaced; (2) after the horizontal plowing operation of the soil is finished, soil film mulching is carried out according to the existing under-film drip irrigation planting mode, then the under-film drip irrigation technology is adopted for planting crops, so that the soil with high salt content plowed into the film is subjected to sub-drip irrigation until the salt content of the soil is below a tillage layer in the film;
the horizontal turning plow tool is a horizontal turning plow tool, and structurally comprises a soil shifting plate, a plow standard and a plow blade, wherein the soil shifting plate comprises an installation part I and a soil shifting panel, the installation part I is provided with a positioning hole III, the soil shifting panel is in an arc curved surface extending upwards, the upper end of the arc curved surface, namely the rear side of the upper end of the soil shifting plate facing the soil surface, is upwards and forwards turned and bent to form a twisted surface shape, and the twist angle at the uppermost end is the largest;
the plough column is a bent plate-shaped body and comprises an upper part, a bent part and an installation part II, wherein the bent part is bent, the upper part is provided with an installation hole, and the installation part II is provided with a positioning hole II;
the coulter blade comprises a blade body, a blade front part and a blade rear part, wherein a positioning hole I is formed in the blade body, the blade front part is in a pointed shape, and cutting edges are arranged at the blade front part and the lower end of the blade body;
the outer side surface of the mounting part I at the lower end of the soil shifting plate is detachably connected with the positioning hole I of the plough coulter blade through a positioning hole III, and the inner side surface of the mounting part I is detachably connected with the positioning hole II of the plough column through a positioning hole III.
2. The horizontal plowing method for treating the phenomenon of surface accumulation of soil salts as claimed in claim 1, characterized in that the materials used in the under-film drip irrigation planting mode mainly comprise a mulching film for storing water and preserving soil moisture, and drip irrigation belts are laid under the film, the width of the bare soil between the films is 60cm, and the drip irrigation belts are arranged close to the crop planting rows.
3. The horizontal plowing method for treating the soil salt segregation phenomenon according to claim 1 or 2, characterized in that the horizontal plowing width is 60-80 cm and the vertical plowing depth is 20-50 cm.
4. The horizontal plowing method for treating the phenomenon of separate accumulation of soil salts according to claim 1, characterized in that the plowing blade of the horizontal plowing plow blade is installed with the front portion of the blade facing the advancing direction of the locomotive, the blade body is horizontally deviated to the right by an angle compared to the advancing direction of the tractor, and the upper portion of the blade body is vertically inclined to the right.
5. The horizontal plowing method for treating the phenomenon of separate surface accumulation of soil salts according to claim 4, characterized in that when the blade of the horizontal plowing plow blade is installed, the included angle of the blade body deviated to the right side in the horizontal direction compared with the forward direction of the tractor is an acute angle.
6. The horizontal plowing method for treating the phenomenon of surface segregation of soil salts as claimed in claim 4 or 5, characterized in that the positioning hole II of the plow standard of the horizontal plowing plow blade is matched with the positioning hole III of the soil shifting plate in size and position, and the positioning hole I of the plow blade is matched with the positioning hole III of the soil shifting plate in size and position.
7. The horizontal plowing method for treating the phenomenon of surface segregation of soil salts as claimed in claim 4 or 5, characterized in that the blade of the horizontal plowing coulter is made of carbon structural steel.
8. The horizontal plowing method for treating the phenomenon of surface segregation of soil salts as claimed in claim 6, wherein the blade of the horizontal plowing coulter is made of carbon structural steel.
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| CN106342436A (en) * | 2016-08-30 | 2017-01-25 | 山东胜伟园林科技有限公司 | Method for controlling salt up-going and soil surface accumulation of secondary salinization land |
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| FR2541846B1 (en) * | 1983-03-04 | 1986-03-14 | Kongskilde Koncernselskab As | IMPROVED SOC FOR GROUND-WORKING DEVICE TEETH |
| CN2295309Y (en) * | 1997-05-09 | 1998-10-28 | 四平市农业机械化研究所 | Plough body with ploughshare for ploughing furrowlessly |
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| CN108566794A (en) * | 2018-04-27 | 2018-09-25 | 中国科学院长春应用化学研究所 | A kind of methods of cultivation in salt-soda soil |
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| CN106342436A (en) * | 2016-08-30 | 2017-01-25 | 山东胜伟园林科技有限公司 | Method for controlling salt up-going and soil surface accumulation of secondary salinization land |
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