CN102246677A - Zero-tillage and lightly-harrowed method for growing rice - Google Patents
Zero-tillage and lightly-harrowed method for growing rice Download PDFInfo
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- CN102246677A CN102246677A CN2011101607681A CN201110160768A CN102246677A CN 102246677 A CN102246677 A CN 102246677A CN 2011101607681 A CN2011101607681 A CN 2011101607681A CN 201110160768 A CN201110160768 A CN 201110160768A CN 102246677 A CN102246677 A CN 102246677A
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Abstract
The invention discloses a zero-tillage and lightly-harrowed method for growing rice. The method comprises the following steps of: (1) scattering an organic fertilizer and a chemical fertilizer in a meadow black loam rice field which has rice stubbles and is not ploughed uniformly 4 to 6 days before rice transplanting, and irrigating directly to soak the field for 3 to 5 days, so that a soil layer is impregnated by 6 to 8 centimeters; (2) harrowing once by using a light-duty machine lightly; and (3) transplanting the rice seedlings among rows or plants, wherein the density of the rice transplanting is 9*(4-6) inches. The method is applied in places where lands are low-lying and liable to waterlogging and soil granular structures are small, and the aim of protecting tillage can be fulfilled.
Description
Technical field
The present invention relates to a kind of method of rice cultivation, specifically, relate to a kind of no-tillage light rake kind rice method.
Background technology
As everyone knows, in the conventional rice production process of rural area, all must be by machinery, to the soil plough, rake, pour water, operation and process such as soaked field.Long-term so intensive cultivation, the wind erosion impact is serious, and unfavorable soil aggregate forms, and has destroyed on the contrary soil texture, and soil property ground is attenuated, and a soil grain diminishes, and the preserve moisture and fertility ability can descend year by year.In the past for a long time, be difficult to guarantee that paddy rice just grew.Therefore,, develop eco-agriculture, carry out the water saving rice and do technical research and application, promote agricultural sustainable development very necessary in order to save the soaked field water.
China is the country that a water resource lacks relatively, and as the saying goes: " paddy rice paddy rice water steeps, and does not have water where rice is arranged ".But in recent years scientific research shows, paddy rice is not that water is not just lived less, few water is with regard to the crop of the underproduction, and on the contrary, paddy rice is fragility unlike our imagination, but the very strong crop of drought-resistant ability, breeding time that has even can " drought kind ".
So each department work out suitable rice water-saving high efficiency irrigation schedule according to weather and the geographical conditions of locality, mainly contain paddy rice " shallow wet " and irrigate various places multiple different appellation is arranged, conclude to get up roughly to have: " thin, shallow, wet, shine " irrigate, " shallow, hold, shine, wet " irrigates, " shallow solarization is wet " irrigation etc.It is according to rice transplantation need water characteristic and the requirement of each breeding time behind the land for growing field crops that paddy rice " shallow wet " is irrigated, irrigate and draining, and for paddy growth creates a pleasant ecological environment, the purpose of reach water saving, increasing production.The technical essential of this irrigation is exactly: thin water cutting seedling, and shallow water is turned green, and the early stage of tillering is moistening, the later stage dry field of tillering, jointing-booting stage recharges Bao Shui, and full heading time keeps thin water, and milking maturity is moistening, and stage of yellow ripeness, moistening duty fell dried.Paddy rice " shallow wet " is irrigated and is applicable to China southern double cropping rice producing region.
Paddy rice " thin dew " is irrigated, and is exactly " it is thin to pour water, and dried open field falls in good time " in short.Thin to refer to irrigate water layer thin, is generally below 20 millimeters, reveals to refer to that field face table soil will often expose, and the topsoil face does not flood for a long time and is covered with one deck water.
It is according to the different sensitivitys of each growing stage of paddy rice to moisture that paddy rice control is irrigated, and on the basis of performance paddy rice self adaptive capacity and regulative mechanism, carries out the water-saving irrigation technique that timely and appropriate discovery supplies water.1996, the begin one's study control of paddy rice of the expert of Hohai University was irrigated, and has obtained success.At present, this rice water-saving irrigation technique in Shandong, demonstration such as Jiangsu, irrigation area of Ningxia answers paddy rice to hold the rainwater water-saving irrigation deeply.
Paddy rice is held the rainwater water-saving irrigation deeply, and at southern area, in growth period duration of rice, rainfall is more abundant, can take rationally to hold deeply rainfall, makes full use of the measure of rainwater, reduces the paddy rice irrigation water capacity.
The no-tillage water-saving technology of paddy rice also is that research water saving rice makes a content in the technology.Water consumption is very big in the Rice Production process, and only the soaked field water consumption just accounts for more than 1/3 of Rice Production total water amount.And no-tillage technology just can be saved paddy rice soaked field water about 1/2.No-tillage technology was ploughed on the rice field without any in 3 years exactly, and the soaked field of directly pouring water after soaked 3-5 days, gets final product rice transplanting.Light rake technology is in research, uses no-tillage the rake in the technical process, finds indivedual plot occur wafing seedling and farmland running to weeds phenomenon.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides a kind of no-tillage light rake kind rice method, its technical scheme is as follows:
A kind of no-tillage light rake kind rice method, described step is:
(1) in the ground, rice field without the black loam of the grassy marshland type of ploughing, preceding 4-6 days of rice transplanting;
(2) evenly loose in the ground of rice stubble behind organic fertilizer, the chemical fertilizer, the soaked field of directly pouring water soaked field 3-5 days, is soaked into soil layer 6-8 centimetre;
(3) harrow one time with light-duty machinery is light;
(4) in the ranks or rice transplanting between strain, 9 * 4～6 cun of densities of transplants.
Further preferred, described no-tillage light rake kind rice method is " three exempt from one turns over " method, namely is to adopt no-tillage light rake 3 years, ploughs deeply 1 year, and 4 years by turns.
The present invention can realize in the following manner that also the soil described in the step (1) is the black loam of the grassy marshland type of intensive cultivation throughout the year.
Further preferred, no-tillage light rake kind rice method of the present invention, the light-duty machinery in the described step (3) is hand steered tractor.
Beneficial effect of the present invention:
1, uses the no-tillage light rake technology of paddy rice, can save 450 yuan/hectare of the expenses of ploughing; Save 300 yuan/hectare of water, the electricity charge, total can be cut down expenses 750 yuan/hectare;
2, use the inventive method rice cultivation, financial cost reduces, and output slightly increases, about general mu volume increase 3-5%;
3, social benefit improves, and farmers' income increases, and kind of a rice also can be developed in poorer area, water source;
4, on the no-tillage rice field, after the soaked field fertilising, take off machine drawing and rake the soil level the light rake of wheel once with hand steered, so namely solved clay fertilizer mixing, the rice transplanting seedling problem of wafing, the purpose that has alleviated again farmland running to weeds harm and economized on water;
5, easy, the science of the inventive method, easily learn well and understand that saving of work and time has also improved labour productive forces.
Embodiment
Below in conjunction with specific embodiment method of the present invention is described in more detail, but is not limited thereto, no-tillage light rake kind rice method of the present invention northeastward Low land and the littler place of soil aggregate all can be used, and can reach the purpose of protection farming.
Take the Northeast plain light loam as example, front 4-6 days of rice transplanting; Evenly loose in the ground of rice stubble behind organic fertilizer, the chemical fertilizer, the soaked field of directly pouring water soaked field 3-5 days, is soaked into soil layer 6-8 centimetre; Harrow one time with the hand tractor light-duty machinery is light; In the ranks or rice transplanting between strain, 9 * 4～6 cun of densities of transplants.
As do not plough for years, can increase the soil tight ness rating, affect soil permeability, soil compaction, fertility are descended.Therefore, the poor rice in each water source district can be applicable because ground causes suitablely, and preferably " three exempt from one turns over " method namely is to adopt no-tillage light rake 3 years, ploughs deeply 1 year, and effect was obvious by turns in 4 years.
No-tillage light rake kind rice method of the present invention can also mainly comprise no-tillage light rake water-saving technology and shallow-dark-shallow-wetting irrigation for paddy field technology in conjunction with water saving cultivation technique, also has simultaneously the technology such as Biological Water Saving in Agriculture, engineering water saving, management water saving.
Claims (4)
1. no-tillage light rake kind rice method is characterized in that described step is:
(1) in the ground, rice field without the black loam of the grassy marshland type of ploughing, preceding 4-6 days of rice transplanting;
(2) evenly loose in the ground of rice stubble behind organic fertilizer, the chemical fertilizer, the soaked field of directly pouring water soaked field 3-5 days, is soaked into soil layer 6-8 centimetre;
(3) harrow one time with light-duty machinery is light;
(4) in the ranks or rice transplanting between strain, 9 * 4～6 cun of densities of transplants.
2. no-tillage light rake kind rice method according to claim 1 is characterized in that, described no-tillage light rake kind rice method is " three exempt from one turns over " method, namely is to adopt no-tillage light rake 3 years, ploughs deeply 1 year, and 4 years by turns.
3. no-tillage light rake kind rice method according to claim 1 is characterized in that, the soil described in the step (1) is the black loam of the grassy marshland type of intensive cultivation throughout the year.
4. according to each described no-tillage light rake kind rice method of claim 1-3, it is characterized in that the light-duty machinery in the described step (3) is hand steered tractor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101607681A CN102246677A (en) | 2011-06-16 | 2011-06-16 | Zero-tillage and lightly-harrowed method for growing rice |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011101607681A CN102246677A (en) | 2011-06-16 | 2011-06-16 | Zero-tillage and lightly-harrowed method for growing rice |
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| CN102246677A true CN102246677A (en) | 2011-11-23 |
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| CN2011101607681A Pending CN102246677A (en) | 2011-06-16 | 2011-06-16 | Zero-tillage and lightly-harrowed method for growing rice |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107493717A (en) * | 2017-09-26 | 2017-12-22 | 黑龙江省农垦科学院 | Rice Tagayasu Den's method of soil preparation |
| CN114793791A (en) * | 2022-04-22 | 2022-07-29 | 洛阳农林科学院 | Wheat-corn double cropping three-purpose and one-turn tillage planting method |
-
2011
- 2011-06-16 CN CN2011101607681A patent/CN102246677A/en active Pending
Non-Patent Citations (1)
| Title |
|---|
| 隋朋举等: "水稻免耕轻耙节水栽培技术研究", 《北方水稻》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107493717A (en) * | 2017-09-26 | 2017-12-22 | 黑龙江省农垦科学院 | Rice Tagayasu Den's method of soil preparation |
| CN114793791A (en) * | 2022-04-22 | 2022-07-29 | 洛阳农林科学院 | Wheat-corn double cropping three-purpose and one-turn tillage planting method |
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Address after: Shaanxi Xi'an high tech Zone Technology Road 710065 No. 30 Cheshire Heli building A block 10 layer Applicant after: Jilin Academy of Agricultural Sciences Address before: 130124 Jilin province Changchun Jingyue Economic Development Zone Caiyu Street No. 1363 Applicant before: Jilin Academy of Agricultural Sciences |
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Application publication date: 20111123 |