CN114747434A - No-tillage reseeding method for semi-arid degraded grassland - Google Patents
No-tillage reseeding method for semi-arid degraded grassland Download PDFInfo
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- CN114747434A CN114747434A CN202210344375.4A CN202210344375A CN114747434A CN 114747434 A CN114747434 A CN 114747434A CN 202210344375 A CN202210344375 A CN 202210344375A CN 114747434 A CN114747434 A CN 114747434A
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- shaped groove
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- arid
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- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000003971 tillage Methods 0.000 title claims abstract description 16
- 239000002689 soil Substances 0.000 claims abstract description 38
- 244000025254 Cannabis sativa Species 0.000 claims abstract description 34
- 238000005520 cutting process Methods 0.000 claims abstract description 33
- 238000009331 sowing Methods 0.000 claims abstract description 15
- 239000004459 forage Substances 0.000 claims abstract description 8
- 238000003825 pressing Methods 0.000 claims abstract description 7
- 238000004519 manufacturing process Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 9
- 238000003860 storage Methods 0.000 abstract description 5
- 230000004083 survival effect Effects 0.000 abstract description 5
- 230000035699 permeability Effects 0.000 abstract description 4
- 230000002349 favourable effect Effects 0.000 abstract description 2
- 230000035784 germination Effects 0.000 abstract description 2
- 230000007306 turnover Effects 0.000 abstract 1
- 206010016807 Fluid retention Diseases 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000010899 nucleation Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004162 soil erosion Methods 0.000 description 1
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Classifications
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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
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C5/00—Making or covering furrows or holes for sowing, planting or manuring
- A01C5/06—Machines for making or covering drills or furrows for sowing or planting
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Botany (AREA)
- Soil Working Implements (AREA)
Abstract
The invention discloses a no-tillage reseeding method for semi-arid degraded grasslands, wherein a cutting tool is used for cutting soil on the surface of the semi-arid degraded grasslands into inverted T-shaped grooves; sowing the grass seeds into the bottom of the inverted T-shaped groove; and pressing the forage grass seeds in the T-shaped grooves into soil by using a roller, thereby completing the reseeding of the forage grass seeds. The invention shovels and cuts the inverted T-shaped groove in the semiarid degraded grassland, realizes no upturned soil turnover of the soil on the ground of the degraded grassland, and thus prevents water and soil loss; the vertical cutting seams and the V-shaped grooves can improve the air permeability, the water storage property and the water retention property of soil, are favorable for the germination and rooting of the grass seeds, and improve the emergence rate and the survival rate of the grass seeds, thereby improving the grassland environment and improving the grassland grass coverage rate.
Description
Technical Field
The invention relates to the technical field of pasture planting and cultivation, in particular to a no-tillage reseeding method for semi-arid degraded grasslands.
Background
Natural grassland is a natural resource and the material base on which the grassland animal husbandry lives and develops. The degraded grassland in China accounts for about 90 percent, and the semi-arid grassland is more seriously degraded. In order to improve the grassland environment and improve the grassland pasture coverage, research must be carried out to improve the semi-arid degraded grassland repairing and sowing technology.
In the existing grass sowing technology, the manual planting of a grass field usually adopts the processes of plowing firstly and sowing secondly, namely, plowing is firstly adopted to plough all grass fields, and then a sowing machine is used for sowing. The full-tillage method is not suitable for sowing in natural semi-arid degenerated grassland and is easy to cause water and soil loss. No-tillage sowing is generally adopted in natural degraded grassland, namely, the sod on the ground surface is directly scratched on the degraded grassland for sowing without turning over the grassland, the method has poor moisture retention and water retention, and the sowed forage grass seeds have low emergence rate and low survival rate.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a no-tillage additional sowing method for semi-arid degenerated grasslands, which greatly reduces the disturbance to the grassland soil under the condition of not turning over the ridge line on the surface of the grassland, improves the air permeability, water storage property and water retention property of the soil at the seed, is more beneficial to the sprouting and rooting of the grass seeds, and improves the emergence rate and survival rate of the grass seeds, thereby improving the grassland environment and the grassland grass coverage rate.
In order to achieve the purpose, the invention adopts the following technical scheme:
a semi-arid degraded grassland no-tillage reseeding method includes the steps that a cutting tool is used for cutting off a plurality of inverted T-shaped grooves arranged at intervals in the ground surface soil of the semi-arid degraded grassland; sowing the grass seeds into the bottom of the inverted T-shaped groove; and pressing the forage grass seeds in the T-shaped grooves into soil by using a roller, thereby completing the reseeding of the forage grass seeds.
Further, firstly, vertically cutting a cutting seam on the ground soil of the semiarid degraded grassland by using a rotary disc cutter; and shoveling and cutting the cutting seam by using an inverted T-shaped grooving device along the cutting seam, and manufacturing the cutting seam into an inverted T-shaped groove.
Preferably, the width a of the formed cutting seam is less than or equal to 20mm, and the depth b of the cutting seam is more than or equal to 50 mm.
Furthermore, the adopted inverted T-shaped slotting device comprises a vertical rod and a slotting plough, wherein the width of the vertical rod is consistent with the width of the slotting, the slotting plough is arranged at the lower end of the vertical rod, the width of the slotting plough is larger than the width of the slotting, two side surfaces of the vertical rod extend towards the front side of the vertical rod, and the two side surfaces of the vertical rod are converged to form a slotting blade at the front end surface of the vertical rod.
Preferably, the pressing is performed along the inverted T-shaped groove by adopting a V-shaped press, the inner side surface of the cutting joint is made into the V-shaped groove through the cutting and extrusion of the V-shaped press, and the soil on the inner side surface of the cutting joint falls into the bottom of the inverted T-shaped groove to press the grass seeds into the soil.
Further preferably, the width c of the upper part of the formed inverted T-shaped groove is less than or equal to 20mm, the depth d of the inverted T-shaped groove is 40 mm-60 mm, and the width e of the lower part of the inverted T-shaped groove is more than or equal to 25 mm.
Preferably, the angle f of the manufactured V-shaped groove is less than or equal to 50 degrees, and the depth g of the V-shaped groove is 40-60 mm.
The technical scheme of the invention has the following beneficial effects:
A. the invention shovels and cuts the inverted T-shaped groove in the semiarid degraded grassland, thereby realizing no upturned soil on the ground surface of the degraded grassland and preventing soil erosion; the vertical cutting seams and the V-shaped grooves can improve the air permeability, the water storage property and the water retention property of soil, are favorable for the germination and rooting of the grass seeds, and improve the emergence rate and the survival rate of the grass seeds, thereby improving the grassland environment and improving the grassland grass coverage rate;
B. the invention forms the inverted T-shaped groove structure in the soil, so that the pasture seeds can be deeply buried at the bottom of the inverted T-shaped groove, partial soil on the inner side surface of the vertical joint-cutting is cut off to completely bury the pasture seeds under the action of the internally tangent soil of the V-shaped roller, thereby improving the planting efficiency, and meanwhile, the inverted T-shaped structure with wider bottom is adopted, so that the water storage, water retention and drought resistance are better compared with the vertical joint-cutting.
Drawings
In order to more clearly illustrate the embodiments of the invention, the drawings that are required for the embodiments will be briefly described below, it being apparent that the drawings in the following description are some embodiments of the invention, and that other drawings may be derived from those drawings without inventive effort by a person skilled in the art.
FIG. 1 is a schematic step diagram I of the seeding method of the present invention;
FIG. 2 is a schematic view II of the steps of the seeding method of the present invention;
FIG. 3 is a schematic view of a kerf in the present invention;
FIG. 4 is a schematic view of an inverted T-shaped trench in accordance with the present invention;
FIG. 5 is a schematic view of the seeding of the present invention;
FIG. 6 is a schematic view of a V-shaped groove of the present invention;
FIG. 7 is a side schematic view of a cutting disk of the present invention;
FIG. 8 is a schematic cross-sectional view of a cutting disk of the present invention;
FIG. 9 is a perspective view of the inverted T-shaped groover of the present invention;
FIG. 10 is a rear view of the inverted T-shaped groover of the present invention;
FIG. 11 is a side view of the V-shaped compactor of the present invention;
FIG. 12 is a schematic cross-sectional view of a V-shaped compactor according to the present invention.
Description of reference numerals:
1-soil; 2-forage grass seeds; 3-a cutter disk; 4-inverted T-shaped groover, 41-vertical rod, 411-grooving blade and 42-grooving plough; 5-V-shaped compacting machine;
a-kerf width; b-depth of cutting seam; c-the width of the upper part of the inverted T-shaped groove; d-the depth of the inverted T-shaped groove; e-the width of the lower part of the inverted T-shaped groove; f-V-shaped groove angle; g-V groove depth.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in figure 1, the invention provides a no-tillage reseeding method for semi-arid degraded grasslands, which comprises the following specific steps:
(S01) cutting the semi-arid degenerated grassland surface soil into an inverted T-shaped groove by a cutting tool. Direct ditching can be carried out by adopting an inverted T-shaped groover. Of course, the steps shown in FIG. 2 may also be employed: firstly, a rotary circular cutter (shown as structures in figures 7 and 8) is utilized to vertically cut a kerf on the soil of the semi-arid degraded grassland surface, and the kerf structure is shown as figure 3, wherein the kerf width a is less than or equal to 20mm, and the kerf depth b is more than or equal to 50 mm. And shoveling and cutting the cut joint by using an inverted T-shaped groover along the cut joint, and manufacturing the cut joint into an inverted T-shaped groove, wherein the width c of the upper part of the manufactured inverted T-shaped groove is less than or equal to 20mm, the depth d of the inverted T-shaped groove is within the range of 40-60 mm, and the width e of the lower part of the inverted T-shaped groove is more than or equal to 25mm as shown in figure 4. The invention carries out the slotting treatment firstly and then carries out the inverted T-shaped slotting, thereby greatly improving the slotting efficiency, having less disturbance to the grassland soil and being more beneficial to the water retention of the semi-arid soil.
As shown in fig. 9 and 10, the inverted T-shaped groover 4 includes a vertical bar 41 having a width corresponding to the width of the slit, and a grooving plow 42 provided at a lower end of the vertical bar 41, wherein the grooving plow 42 has a width larger than the width of the slit, and both side surfaces of the vertical bar 41 extend toward a front side thereof and are joined at a front end surface of the vertical bar 41 to form a grooving blade 411.
[ S02 ] grass seeds are sown into the bottom of an inverted T-shaped trench. Special sowing equipment can be used to direct the grass seeds into the bottom of the inverted T-shaped groove, as shown in fig. 5.
S03, pressing the grass seeds in the T-shaped grooves into soil by using a roller to finish the reseeding of the grass seeds, as shown in figure 6.
After the seeds are sowed, the pasture seeds in the T-shaped groove are covered with soil by using the roller, and meanwhile, a cutting seam and a groove with wider and softer bottom are reserved, so that the pasture seeds are more convenient to store water and have good water retention performance.
The invention preferably adopts a V-shaped compacting machine, the structure of which is shown in fig. 11 and 12, the edge of which adopts a V-shaped structure, and the V-shaped compacting machine can cut and press soil on the inner side of the seam to the bottom of the groove while rotating by driving the V-shaped compacting machine to rotate. After sowing, the inverted T-shaped groove is pressed by a V-shaped pressing device 5, the soil 1 around the inverted T-shaped groove is cut into the V-shaped groove, and the grass seeds 2 sowed in the inverted T-shaped groove are pressed into the soil 1. As shown in FIG. 6, the angle f of the V-shaped groove is less than or equal to 50 degrees, and the depth g of the V-shaped groove is within the range of 40 mm-60 mm.
The invention shovels and cuts the inverted T-shaped groove on the degenerated semiarid grassland, the soil 1 on the ground surface is not ploughed, thereby preventing water and soil loss, and simultaneously, the V-shaped groove formed on the soil surface after sowing and the reserved bottom structure of the T-shaped groove with wider size obviously improve the air permeability, water storage property and water retention property of the soil 1, are beneficial to the sprouting and rooting of the grass seeds 2, and improve the emergence rate and survival rate of the grass seeds 2, thereby improving the grassland environment, improving the grassland grass coverage rate, and improving the quality and area of high-quality grass on the grassland.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are intended to be within the scope of the invention.
Claims (7)
1. A no-tillage reseeding method for semi-arid degraded grasslands is characterized in that a cutting tool is used for cutting off a plurality of inverted T-shaped grooves which are arranged at intervals on the surface soil of the semi-arid degraded grasslands; sowing the grass seeds into the bottom of the inverted T-shaped groove; and pressing the forage grass seeds in the T-shaped grooves into soil by using a roller, thereby completing the reseeding of the forage grass seeds.
2. The no-tillage reseeding method for semiarid degraded grassland as claimed in claim 1, wherein a cut is first cut vertically on the ground surface soil of the semiarid degraded grassland by means of a rotary disk cutter; and shoveling and cutting the cutting seam by using an inverted T-shaped grooving device along the cutting seam, and manufacturing the cutting seam into an inverted T-shaped groove.
3. The no-tillage reseeding method for semi-arid degraded grassland as claimed in claim 2, wherein the width a of the formed cut is no greater than 20mm, and the depth b of the cut is no less than 50 mm.
4. The no-tillage planter for semi-arid degraded grassland as claimed in claim 2, wherein the employed inverted T-shaped groover comprises a vertical rod keeping consistent with the width of the kerf and a grooved plow disposed at the lower end of the vertical rod, the grooved plow has a width larger than the width of the kerf, and two side surfaces of the vertical rod extend towards the front side thereof and converge at the front end surface of the vertical rod to form a grooved blade.
5. The no-tillage planter for semi-arid degraded grassland as claimed in claim 1, wherein the compacting is performed along the inverted T-shaped groove by a V-shaped compactor, the inner side of the kerf is formed into the V-shaped groove by cutting and pressing of the V-shaped compactor, and the soil of the inner side of the kerf which is cut falls into the bottom of the inverted T-shaped groove to press the grass seeds into the soil.
6. The no-tillage reseeding method for the semi-arid degraded grassland as claimed in claim 5, wherein the width c of the upper part of the formed inverted T-shaped groove is less than or equal to 20mm, the depth d of the inverted T-shaped groove is 40mm to 60mm, and the width e of the lower part of the inverted T-shaped groove is greater than or equal to 25 mm.
7. The no-tillage reseeding method for semi-arid degraded grassland as claimed in claim 6, wherein an angle f of the manufactured V-shaped groove is less than or equal to 50 degrees, and a depth g of the V-shaped groove is 40mm to 60 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210344375.4A CN114747434A (en) | 2022-04-02 | 2022-04-02 | No-tillage reseeding method for semi-arid degraded grassland |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210344375.4A CN114747434A (en) | 2022-04-02 | 2022-04-02 | No-tillage reseeding method for semi-arid degraded grassland |
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| CN114747434A true CN114747434A (en) | 2022-07-15 |
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| CN202210344375.4A Pending CN114747434A (en) | 2022-04-02 | 2022-04-02 | No-tillage reseeding method for semi-arid degraded grassland |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104255203A (en) * | 2014-09-11 | 2015-01-07 | 尹全权 | Maize root crushing device |
| CN207382921U (en) * | 2017-11-01 | 2018-05-22 | 内蒙古自治区农牧业科学院 | A kind of native pasture rejuvenation after-culture fertilizer applicator |
| CN208509570U (en) * | 2018-06-25 | 2019-02-19 | 荆州市凯利机械制造有限公司 | The digital control electric dispenser of seeder |
| CN110972821A (en) * | 2019-12-30 | 2020-04-10 | 广西壮族自治区农业科学院 | Water storage and grass enrichment method for bottom cultivation of alternate and disordered soil layer of grassland |
| CN112352496A (en) * | 2020-11-19 | 2021-02-12 | 中国农业科学院草原研究所 | Method for repairing grassland patch sand |
| CN113711859A (en) * | 2021-09-26 | 2021-11-30 | 中国农业机械化科学研究院呼和浩特分院有限公司 | No-tillage reseeding method for repairing degraded grassland |
-
2022
- 2022-04-02 CN CN202210344375.4A patent/CN114747434A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104255203A (en) * | 2014-09-11 | 2015-01-07 | 尹全权 | Maize root crushing device |
| CN207382921U (en) * | 2017-11-01 | 2018-05-22 | 内蒙古自治区农牧业科学院 | A kind of native pasture rejuvenation after-culture fertilizer applicator |
| CN208509570U (en) * | 2018-06-25 | 2019-02-19 | 荆州市凯利机械制造有限公司 | The digital control electric dispenser of seeder |
| CN110972821A (en) * | 2019-12-30 | 2020-04-10 | 广西壮族自治区农业科学院 | Water storage and grass enrichment method for bottom cultivation of alternate and disordered soil layer of grassland |
| CN112352496A (en) * | 2020-11-19 | 2021-02-12 | 中国农业科学院草原研究所 | Method for repairing grassland patch sand |
| CN113711859A (en) * | 2021-09-26 | 2021-11-30 | 中国农业机械化科学研究院呼和浩特分院有限公司 | No-tillage reseeding method for repairing degraded grassland |
Non-Patent Citations (1)
| Title |
|---|
| 沈瀚等: "耕整地机械", vol. 1, 中国大地出版社, pages: 83 * |
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Application publication date: 20220715 |