CN114271156A - Sowing process suitable for direct dry seeding of water-saving drought-resistant rice - Google Patents
Sowing process suitable for direct dry seeding of water-saving drought-resistant rice Download PDFInfo
- Publication number
- CN114271156A CN114271156A CN202111549270.4A CN202111549270A CN114271156A CN 114271156 A CN114271156 A CN 114271156A CN 202111549270 A CN202111549270 A CN 202111549270A CN 114271156 A CN114271156 A CN 114271156A
- Authority
- CN
- China
- Prior art keywords
- sowing
- soil
- seeds
- water
- direct
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
The invention discloses a sowing process suitable for direct sowing of water-saving drought-resistant rice on dry land, which comprises the following steps: step one, soil preparation: soil deep ploughing or pine deeply, plough dark 20cm-25cm, harrow the bits of earth garrulous after the deep ploughing, harrow thin, no diameter is greater than the light and dark woodiness more than 5cm, soil texture is even unanimous, the soil on surface is carefully garrulous, and it is built on stilts not have down, reaches the effect of reality under the virtual, to too loose soil, the suppression before should broadcasting, apart from every 2.3 m's in the boundary of the ground distance, open the shallow trench, step two, the seed is prepared: the seeds are required to have no stem and no blighted grain in the cleanness, the seeds are full, the seeds are poured into saline water for cleaning, and the third step is to sun-cure the seeds; selecting sunny weather, drying for 2-3h, and turning over the seeds for multiple times, wherein the step four is as follows: compared with the prior art, the invention has the advantages that: not only can reduce the waste of water resources, but also can reduce the influence of drought on rice production.
Description
Technical Field
The invention relates to the technical field of agricultural cultivation. In particular to a sowing and cultivating technology for water-saving drought-resistant rice dry direct seeding cultivation.
Background
With the increasing shortage of water resources, agriculture is bound to face the problem of water supply shortage. The method has the advantages of greatly developing high-efficiency water-saving agriculture, gradually improving the utilization rate of water for large-scale agriculture and the yield of agricultural products with net water consumption per cubic meter in the field, obtaining the maximum production efficiency with the minimum water consumption, reducing water resource waste and having important significance for relieving water resource shortage in China.
The rice is a big household for agricultural water in China. The water consumption for traditional rice planting accounts for about 70% of the total water consumption of agriculture in China and about 50% of the total water consumption. In the water-saving drought-resistant rice variety cultivated by scientists in recent years, due to the water-saving drought-resistant characteristic, the variety can realize wet cultivation, namely a cultivation mode that dry grain direct seeding is adopted, certain soil moisture is kept during growth to meet the requirement of growth, and a water layer is not left.
At present, rice seeding and seedling raising are difficult due to drought in spring and summer; the drought in autumn causes the difficulty of transplanting and the condition that the rice is in shortage of water in the filling stage to reduce yield or stop harvesting.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the technical problems and provide a sowing process suitable for direct sowing of water-saving drought-resistant rice on dry land.
In order to solve the technical problems, the technical scheme provided by the invention is as follows: a sowing process suitable for direct sowing of water-saving drought-resistant rice on dry land comprises the following steps:
step one, soil preparation: soil is deeply ploughed or deeply loosened with the ploughing depth of 20cm-25cm, soil blocks are raked up and finely raked after deep ploughing, no light and dark soil with the diameter more than 5cm is generated, the texture of the soil is uniform and consistent, the soil on the surface is finely broken, no overhead exists below the soil, the effect of virtual soil and real soil is achieved, the soil which is too loose is pressed before sowing, the shallow trench is opened at the distance of every 2.3m from the boundary of the ground,
step two, seed preparation: the seeds are required to have no stem and no blighted grain in the cleanness, the seeds are full, the seeds are poured into the saline water for cleaning,
step three, sunning the seeds; selecting sunny weather, drying for 2-3h, spreading the seeds thinly and turning over for multiple times,
step four, sowing: the sowing modes such as manual broadcast sowing, machine direct sowing and the like can be flexibly selected according to the size and the position of a field, uniform sowing without gaps is required, the sowing quantity is required, the thousand seed weight is more than 25g according to the thousand seed weight and the germination rate, and sowing is carried out according to 2 kg/mu; the thousand-grain weight is less than 25g, the seeds are sowed according to 1.5 kg/mu,
step five, fertilizing: dry direct seeding fertilization is preferably 10 kgN/mu, nitrogen, phosphorus and potassium fertilizers are prepared,
manually sowing, namely applying fertilizer before rotary tillage;
the machine for direct seeding is a machine integrating rotary tillage, fertilization, seeding and sealing after seeding.
Furthermore, the width of the shallow trench is 20-30cm, and the depth is 20-30 cm.
Further, the specific gravity of the prepared seeds is more than 1.1g/cm3。
Further, preparing a fertilizer application ratio of nitrogen, phosphorus and potassium as 1: 0.4: 0.8.
further, the base fertilizer nitrogen fertilizer accounts for 80% of the total nitrogen application amount, the base fertilizer phosphate fertilizer accounts for 100% of the total phosphorus application amount, and the base fertilizer potassium fertilizer generally accounts for 60% of the total potassium application amount.
Furthermore, the soil humidity is required during sowing, the soil moisture content is good during sowing, the relative water content of field soil is preferably 20-40% during dry direct sowing, and the soil water potential is-20 to-35 kpa.
Further, soil moisture is below the lower limit and requires a small amount of irrigation, but soil moisture cannot exceed the upper limit to avoid affecting seedling emergence.
Compared with the prior art, the invention has the advantages that: the water-saving drought-resistant rice dry direct seeding technology is part of a water-saving drought-resistant rice wetting irrigation cultivation technology, can remarkably reduce the consumption of rice irrigation water by integrating the water-saving drought-resistant rice wetting cultivation technology, can reduce the waste of water resources, can reduce the influence of drought on rice production, and has important significance for guaranteeing the food safety in China.
Detailed Description
Examples
A sowing process suitable for direct sowing of water-saving drought-resistant rice on dry land comprises the following steps:
step one, soil preparation: soil is deeply ploughed or deeply loosened with the ploughing depth of 20cm-25cm, soil blocks are raked up and finely raked after deep ploughing, no light and dark soil with the diameter more than 5cm is generated, the texture of the soil is uniform and consistent, the soil on the surface is finely broken, no overhead exists below the soil, the effect of virtual soil and real soil is achieved, the soil which is too loose is pressed before sowing, the shallow trench is opened at the distance of every 2.3m from the boundary of the ground,
step two, seed preparation: the seeds are required to have no stem and no blighted grain in the cleanness, the seeds are full, the seeds are poured into the saline water for cleaning,
step three, sunning the seeds; selecting sunny weather, drying for 2-3h, spreading the seeds thinly and turning over for multiple times,
step four, sowing: the sowing modes such as manual broadcast sowing, machine direct sowing and the like can be flexibly selected according to the size and the position of a field, uniform sowing without gaps is required, the sowing quantity is required, the thousand seed weight is more than 25g according to the thousand seed weight and the germination rate, and sowing is carried out according to 2 kg/mu; the thousand-grain weight is less than 25g, the seeds are sowed according to 1.5 kg/mu,
step five, fertilizing: dry direct seeding fertilization is preferably 10 kgN/mu, nitrogen, phosphorus and potassium fertilizers are prepared,
manually sowing, namely applying fertilizer before rotary tillage;
the machine for direct seeding is a machine integrating rotary tillage, fertilization, seeding and sealing after seeding.
In this embodiment, specifically: the width of the shallow trench is 20-30cm, and the depth is 20-30 cm.
In this embodiment, specifically: the specific gravity of the prepared seeds is more than 1.1g/cm 3.
In this embodiment, specifically: preparing a fertilizer application ratio of nitrogen, phosphorus and potassium of 1: 0.4: 0.8.
in this embodiment, specifically: the base fertilizer nitrogen fertilizer accounts for 80 percent of the total nitrogen application amount, the base fertilizer phosphate fertilizer accounts for 100 percent of the total phosphorus application amount, and the base fertilizer potassium fertilizer generally accounts for 60 percent of the total potassium application amount.
In this embodiment, specifically: the soil moisture is required during sowing, the soil moisture content is good during sowing, the relative water content of field soil is preferably 20-40% during dry direct sowing, and the soil water potential is-20 to-35 kpa.
In this embodiment, specifically: soil moisture is below the lower limit and requires a small amount of irrigation, but soil moisture cannot exceed the upper limit so as not to affect seedling emergence.
In 2019 and 2020, the varieties of the water-saving drought-resistant rice, such as drought-resistant rice variety "Hanyou 73", Huhan-Han 15 ", Kouyaigu, Huanghuazhan" and the like are used as verification objects, and the artificial sowing is carried out indoors according to the requirements. The seeding rate was 50 grains, and 3 times of repetition. The germination vigor of different varieties in 3 days is drought-excellent 73 (67.3%), Shanghai-Han 15 (63.2%), Kaikougu (76.4%), Huanghua-accounting (46.7%) and Hexcellent 518 (45.3%).
In 2018, 2019 and 2020, sowing is carried out by adopting a machine direct seeding mode according to requirements by taking a drought-resistant rice variety drought-resistant 73 as an implementation object. The sowing amount is 1.5 kg/mu, the site is located in Mingguang city of Anhui province, and the statistics of the number of seedlings after sowing shows that the germination rate of the drought seeds 73 is 90 percent under the condition of direct dry sowing.
The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (7)
1. A sowing process suitable for direct sowing of water-saving drought-resistant rice on dry land is characterized by comprising the following steps: the process comprises the following steps:
step one, soil preparation: soil is deeply ploughed or deeply loosened with the ploughing depth of 20cm-25cm, soil blocks are raked up and finely raked after deep ploughing, no light and dark soil with the diameter more than 5cm is generated, the texture of the soil is uniform and consistent, the soil on the surface is finely broken, no overhead exists below the soil, the effect of virtual soil and real soil is achieved, the soil which is too loose is pressed before sowing, the shallow trench is opened at the distance of every 2.3m from the boundary of the ground,
step two, seed preparation: the seeds are required to have no stem and no blighted grain in the cleanness, the seeds are full, the seeds are poured into the saline water for cleaning,
step three, sunning the seeds; selecting sunny weather, drying for 2-3h, spreading the seeds thinly and turning over for multiple times,
step four, sowing: the sowing modes such as manual broadcast sowing, machine direct sowing and the like can be flexibly selected according to the size and the position of a field, uniform sowing without gaps is required, the sowing quantity is required, the thousand seed weight is more than 25g according to the thousand seed weight and the germination rate, and sowing is carried out according to 2 kg/mu; the thousand-grain weight is less than 25g, the seeds are sowed according to 1.5 kg/mu,
step five, fertilizing: dry direct seeding fertilization is preferably 10 kgN/mu, nitrogen, phosphorus and potassium fertilizers are prepared,
manually sowing, namely applying fertilizer before rotary tillage;
the machine for direct seeding is a machine integrating rotary tillage, fertilization, seeding and sealing after seeding.
2. A sowing process suitable for direct sowing on dry paddy fields which saves water and resists drought as claimed in claim 1, wherein the width of the shallow trench is 20-30cm and the depth is 20-30 cm.
3. A sowing process suitable for direct dry sowing of paddy rice on water-saving land as claimed in claim 1, wherein the specific gravity of the prepared seeds is more than 1.1g/cm3。
4. A sowing process suitable for direct sowing on dry paddy fields with water conservation and drought resistance as claimed in claim 1, wherein the fertilizer application ratio of nitrogen, phosphorus and potassium is prepared to be 1: 0.4: 0.8.
5. a sowing process suitable for direct sowing on dry paddy fields with water conservation and drought resistance as claimed in claim 1, wherein the base fertilizer nitrogen fertilizer accounts for 80% of the total nitrogen application, the base fertilizer phosphate fertilizer accounts for 100% of the total phosphorus application, and the base fertilizer potassium fertilizer generally accounts for 60% of the total potassium application.
6. The sowing process suitable for direct dry seeding of water-saving drought-resistant rice as claimed in claim 1, wherein the soil moisture is required during sowing, the soil moisture content is good during sowing, the relative water content of the field soil is preferably 20-40% during direct dry seeding, and the soil water potential is-20 to-35 kpa.
7. A sowing process suitable for direct sowing on dry paddy fields with water conservation and drought resistance as claimed in claim 6, wherein the soil humidity is lower than the lower limit, a small amount of irrigation is required, but the soil humidity cannot exceed the upper limit so as not to affect the emergence of seedlings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111549270.4A CN114271156A (en) | 2021-12-17 | 2021-12-17 | Sowing process suitable for direct dry seeding of water-saving drought-resistant rice |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111549270.4A CN114271156A (en) | 2021-12-17 | 2021-12-17 | Sowing process suitable for direct dry seeding of water-saving drought-resistant rice |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114271156A true CN114271156A (en) | 2022-04-05 |
Family
ID=80872812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111549270.4A Pending CN114271156A (en) | 2021-12-17 | 2021-12-17 | Sowing process suitable for direct dry seeding of water-saving drought-resistant rice |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114271156A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101766107A (en) * | 2009-11-09 | 2010-07-07 | 陈镜任 | Drought resisting and water saving cultivation technique for performing direct sowing on dry paddy field by fully using natural precipitation |
| CN107466759A (en) * | 2017-10-11 | 2017-12-15 | 黑龙江省水利科学研究院 | The live sprinkling irrigation cultural method of rice dry land |
| CN109122139A (en) * | 2018-08-29 | 2019-01-04 | 丁广礼 | A kind of cultivating superior high-yield method of saving water, resisting drought rice |
| JP6515229B1 (en) * | 2018-03-28 | 2019-05-15 | 明宏 福士 | Sowing method of rice no-tillage dry field V ditch direct seeding cultivation |
-
2021
- 2021-12-17 CN CN202111549270.4A patent/CN114271156A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101766107A (en) * | 2009-11-09 | 2010-07-07 | 陈镜任 | Drought resisting and water saving cultivation technique for performing direct sowing on dry paddy field by fully using natural precipitation |
| CN107466759A (en) * | 2017-10-11 | 2017-12-15 | 黑龙江省水利科学研究院 | The live sprinkling irrigation cultural method of rice dry land |
| JP6515229B1 (en) * | 2018-03-28 | 2019-05-15 | 明宏 福士 | Sowing method of rice no-tillage dry field V ditch direct seeding cultivation |
| CN109122139A (en) * | 2018-08-29 | 2019-01-04 | 丁广礼 | A kind of cultivating superior high-yield method of saving water, resisting drought rice |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU2020101714A4 (en) | Lycium barbarum orchard grass planting method | |
| CN102379231A (en) | Precise dry-hole rice direct sowing method capable of synchronously realizing ditching, ridging, fertilization and film covering | |
| CN105309176A (en) | A high-efficiency planting method for radix bupleuri | |
| CN107046851B (en) | Bletilla striata greenhouse direct seeding seedling method taking seeds as materials | |
| CN101524029B (en) | Method for artificially culturing artemisia annua linn in high altitude areas | |
| CN105103888A (en) | Rape planting method | |
| CN104303807A (en) | High-yield corn planting technology | |
| CN111316878A (en) | Intensive field planting method for polygonatum kingianum | |
| CN107969305A (en) | A kind of anti drought cultivation method of Radix Codonopsis | |
| CN110612854A (en) | Planting method of zanthoxylum bungeanum | |
| CN107197664B (en) | Facility burdock cultivation method | |
| CN104488492B (en) | Large-scale production method for Weining codonopsis pilosula | |
| CN108718960B (en) | Method suitable for returning all straws to field in Jiangsu area to rice stubble wheat and sowing all seedlings at once | |
| CN101584283A (en) | Water saving method for planting cotton seeds in drought areas | |
| CN105830848A (en) | Method for building panicum virgatum into vegetation in severe saline-alkali soil | |
| CN109526606B (en) | Method for inducing open field natural vegetation to quickly recover | |
| CN109452127B (en) | Seedling raising substrate for improving emergence rate of fructus aurantii and application thereof | |
| CN106613291A (en) | Green manure double-late and one-high planting technology of Shandong tobacco field | |
| CN107736118B (en) | Rice multipoint average balanced high-yield water and fertilizer management method | |
| CN105248090A (en) | Interplanting cultivation method of rhizome arisaematis and cape jasmine | |
| CN114271156A (en) | Sowing process suitable for direct dry seeding of water-saving drought-resistant rice | |
| CN102498993A (en) | Raising of rice seedlings with flexible disc sludge method | |
| CN104604492A (en) | Planting method of subprostrate sophora | |
| CN104604468A (en) | Highly-efficient low-cost organic-crop production method utilizing mechanized farming and capable of preventing and controlling weeds | |
| CN110896794A (en) | Scutellaria baicalensis cultivation method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |