CN101138334A - Method of controlling the generation of autogeny rice in the direct seeding paddy field - Google Patents
Method of controlling the generation of autogeny rice in the direct seeding paddy field Download PDFInfo
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- CN101138334A CN101138334A CNA2007101333331A CN200710133333A CN101138334A CN 101138334 A CN101138334 A CN 101138334A CN A2007101333331 A CNA2007101333331 A CN A2007101333331A CN 200710133333 A CN200710133333 A CN 200710133333A CN 101138334 A CN101138334 A CN 101138334A
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Abstract
The present invention relates to a method for controlling the generation of volunteer rice in direct-seeding rice field; people create an environment in the field which is fit for seeds to sprout (mainly refers to the earth conditions) in the clearance of crop stubble to induce the residual rice grains in the field to sprout and germinate; machine is used for rotary cultivation, cleaning stubble and destructing volunteer rice seedlings in land preparation, or water is infused into the filed to steep field in advance (the time for field steeping is generally 5 to 7 days) to realize the seed coating to control the volunteer rice generation; with the method, the effective control rate of generation of volunteer rice is increased by more than 1000 times against the ordinary field which is not controlled; in this way, people can implement direct-seeding cultivation in the same field. The present invention is simple and easy to be implemented and can effectively control the volunteer rice generation in direct-seeding field to solve the problem existing in the cultivation of direct-seeding rice and supplement and enrich the technical content of rice simple cultivation.
Description
(1) technical field
The present invention relates to a kind of control direct sowing rice field autogeny rice method for generation, mainly be to utilize crop to rise a batch gap, the artificial suitable seed sprouting environment in field of creating, bringing out the residual grain of rice in field germinates, emerges, utilize Stubble-cleaning by Mechanized Rotary Cultivation and the spontaneous rice seedling that destroys during whole ground, or take to go up in advance bubble field (the general soaked field time guaranteed 5-7 days) the realization vexed kind in soaked field (bud) and control autogeny rice and take place.Can carry out the Direct-seeding Rice cultivation same Tanaka so year after year, continue to realize saving of labor, abridged edition, volume increase, synergy.
(2) background technology
Paddy rice is the important cereal crops of China and southern area, for guaranteeing grain-production safety, a series of excitation grain-production policies such as country has put into effect and protected farmland, subsidies for growing superior grain cultivators, grain direct subsidy.In the practice of long-term Rice Production, working people and scientific and technical personnel's accumulation have also been created the paddy rice planting patterns of various ways, mainly contain transplanting, machine transplanting of rice seedling, rice transplanting, live etc.
In recent years, along with the blue or green strong labour's in rural area transfer, along with the reform of paddy rice planting patterns, for a change the peasant go over " face loess the back of the body towards the sky ", reduce labor intensity, the light simple culture technique of paddy rice more and more is subjected to peasant's welcome, especially the rice direct-seeding culture technique can be saved a large amount of recruitments and Nong Ben and be dropped into.Investigate according to us and to adjust seedling and cultivate only seedling and transplant needization 1575 a yuan/hm that takes a lot of work
2About, and direct sowing culture only needs 525 yuan/hm of cost
2About, abridged edition reaches 1050 yuan/hm
2, and labour intensity alleviates greatly.
Along with the continuous expansion of this area Direct-seeding Rice area, and plantation year after year, begin in the rice field to occur " non-round-grained rice like Xian, the thick leaf of bar drape over one's shoulders, plant type is loose " autogeny rice strain (claiming special-shaped rice, variation rice, red rice, self-sown rice etc. again).According to our experimental observation, to plant 2-3 continuously and do not take the field piece of control measure, general autogeny rice strain incidence is 1-3%, and increases the weight of year by year, indivedual serious fields pieces reach 20%.At this problem, we have early just begun the test of control direct sowing rice field autogeny rice method for generation several years ago, by in the past few years in test, the demonstration of this area, facts have proved that this kind method can control the generation of autogeny rice effectively, and effect is obvious, control and efficiently drop to 0.01-0.02 ‰, thereby played guaranteeing role for the application year after year of Direct-seeding Rice culture technique from 1-3%.
(3) summary of the invention
The theory of institute of the present invention foundation is: (1) brings out seed sprouting.According to the required temperature of seed sprouting, gas, water condition, the artificial seed sprouting environment that suits of creating impels the residual seed of native Barren to germinate ahead of time, emerge, in conjunction with destroy with mechanical rotary tillage wholely; (2) suppress seed sprouting.Create restriction seed sprouting condition, allow residual seed under soaked oxygen free condition, produce vexed kind (bud).
What the present invention realized is: rise a batch gap crop, according to the demand of seed sprouting to temperature, gas, water condition, condition artificially is set, bring out or suppress germination capacity of seeds, the final generation that realizes control direct sowing rice field autogeny rice, the application year after year of Direct-seeding Rice culture technique be can guarantee simultaneously, saving of labor, abridged edition, volume increase, synergy realized.
Advantage of the present invention is: between the sowing, the time is comparatively well-to-do, can alleviate contradictions such as labour, season effectively in preceding crop results back for (1) implementation process; (2) the artificial environmental condition of bringing out or suppresses seed sprouting that is provided with, the grain of rice that brings out are germinateed and are emerged that to align, suppress the period mutually relative consistent, and it is effective to control the autogeny rice generation; (3) adopt this method can effectively control autogeny rice and take place, guarantee that Direct-seeding Rice can plant year after year.
(4) embodiment
Following implementation example only is further elaborated with regard to summary of the invention, does not show the full content of invention.
West city village, [embodiment 1] the calendar year 2001 Hou Bai of Jurong City town begins small size demonstration Direct-seeding Rice, and demonstration is then at one stroke achieved success average yield 9677.5kg/hm
2, the beginning area significantly rose in 2002, reached 93% of full village area in 2004.Live year after year particularly direct-sowing dry rice field, autogeny rice increases the weight of year by year along with the increase of the plantation time limit, and most field piece autogeny rice strain rates in 2004 all reach 1-2%, and serious field piece reaches about 6-15%.We have carried out the demonstration that control direct sowing rice field autogeny rice takes place, the gross area 7.6hm summer sowing in 2005 in the west city village
2, wherein bring out the demonstration area 4.2hm that germinates
2, sprout inhibition demonstration area 3.4hm
2After the preceding crop results, in time in bringing out the field, demonstration area on water humid soil Barren, lure its germination, emerge, with mechanical rotary tillage go out seedling, weed eradication, sowing is then after planting managed by normal mode before the early June sowing, the early August investigation, autogeny rice strain rate has only 0.01 ‰; Also test suppressing the demonstration area simultaneously, went up water (depth of water with not piece high point in open field be advisable) on May 28, mechanical rotary tillage on May 30, June 2 flat field, June 4 discharged water, 5-6 day in June is sowed, 7 days soaked field time, the early August investigation, autogeny rice strain rate has only about 0.01 ‰ equally.And the contrast field piece autogeny rice strain rate outside two demonstration areas is up to 5.4%.
[embodiment 2] 2006 in the whole city year after year 5 of the Direct-seeding Rice district towns laid a plurality of demonstration areas, the nearly 300hm of demonstration area
2, take same method of operating, August 15 was carried out field investigation to the autogeny rice strain rate in the demonstration area, and the result is that autogeny rice strain rate can be controlled at about 0.01 ‰ fully.
[embodiment 3] further enlarged demonstration, the nearly 500hm of Demonstration Application area in 2007 in whole city's scope
2, investigation on August 11, the autogeny rice strain rate in the demonstration area still has only nearly 0.01 ‰.
The effective control rate that takes place with method control autogeny rice of the present invention does not exceed more than 1000 times than normally not controlling the field piece, and effect is very obvious.
Claims (4)
1. the present invention relates to a kind of control direct sowing rice field autogeny rice method for generation, this method is risen a batch gap crop, and the artificial seed sprouting environment that suits of creating brings out residual grain of rice germination among the native Barren, emerges, or takes soaked field vexed kind (bud) to control the autogeny rice generation.Its method is characterised in that:
(1) after preceding stubble wheat or rape results are risen stubble, promptly goes up water and guarantee that field soil Barren is moistening, under the condition of fitting moisture in the soil, impel the residual grain of rice in field to germinate rapidly, emerge, utilize the mechanical rotary tillage spontaneous rice seedling that destroys during seedbed preparation.
(2) changing direct-sowing dry is water direct seeding, and the water direct seeding rice field is 5-7 bubble in the sky field prior to seeding, makes the grain of rice that remains among native Barren anoxic and can't germinateing in soaked environment, causes vexed kind (bud).
(3) can be live year after year, adopt the method can effectively control the generation of direct sowing rice field autogeny rice, guarantee that the rice field is live year after year and autogeny rice do not occur.
2. control direct sowing rice field autogeny rice method for generation according to claim 1, make full use of crop and rise a batch gap, the artificial suitable native Barren soil moisture content in field of creating, under thermophilic and penetrating situation, impel field residual grain of rice last year to germinate early, emerge, the Stubble-cleaning by Mechanized Rotary Cultivation and the spontaneous rice seedling that destroys when utilizing whole ground simultaneously.
3. control direct sowing rice field autogeny rice method for generation according to claim 1, can change direct-sowing dry is water direct seeding, the water direct seeding rice field is 5-7 bubble in the sky field prior to seeding, rotary tillage in soaked environment, whole ground, the soaked field time guaranteed 5-7 days, the grain of rice that remains in last year among the native Barren can't normally be germinateed under the condition of anoxic, realize vexed kind (bud).
4. control direct sowing rice field autogeny rice method for generation according to claim 1 can carry out the Direct-seeding Rice cultivation same Tanaka year after year, continues to realize saving of labor, abridged edition, volume increase, synergy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101333331A CN101138334A (en) | 2007-10-18 | 2007-10-18 | Method of controlling the generation of autogeny rice in the direct seeding paddy field |
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2007101333331A CN101138334A (en) | 2007-10-18 | 2007-10-18 | Method of controlling the generation of autogeny rice in the direct seeding paddy field |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103098640A (en) * | 2013-03-01 | 2013-05-15 | 袁国明 | Wheat rice common sowing cultivation technology |
| CN103749422A (en) * | 2012-07-20 | 2014-04-30 | 句容市农业技术推广中心 | Technology for controlling generation of wild rice |
| CN105766305A (en) * | 2016-03-14 | 2016-07-20 | 张掖市农业科学研究院 | Oilseed rape cultivation method |
| CN105794457A (en) * | 2016-03-22 | 2016-07-27 | 山东省农业科学院植物保护研究所 | Method for controlling alopecurus myosuroides in winter wheat fields of Huang-Huai-Hai region |
-
2007
- 2007-10-18 CN CNA2007101333331A patent/CN101138334A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103749422A (en) * | 2012-07-20 | 2014-04-30 | 句容市农业技术推广中心 | Technology for controlling generation of wild rice |
| CN103098640A (en) * | 2013-03-01 | 2013-05-15 | 袁国明 | Wheat rice common sowing cultivation technology |
| CN103098640B (en) * | 2013-03-01 | 2015-11-18 | 袁国明 | A kind of wheat rice is with broadcasting culture technique |
| CN105766305A (en) * | 2016-03-14 | 2016-07-20 | 张掖市农业科学研究院 | Oilseed rape cultivation method |
| CN105794457A (en) * | 2016-03-22 | 2016-07-27 | 山东省农业科学院植物保护研究所 | Method for controlling alopecurus myosuroides in winter wheat fields of Huang-Huai-Hai region |
| CN105794457B (en) * | 2016-03-22 | 2019-01-11 | 山东省农业科学院植物保护研究所 | A method of control Huang-Huai-Hai winter wheat Tian great Sui amur foxtail |
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