CN104094809A - Field weeding method for organic cultivation of paddy rice - Google Patents

Field weeding method for organic cultivation of paddy rice Download PDF

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CN104094809A
CN104094809A CN201410263894.3A CN201410263894A CN104094809A CN 104094809 A CN104094809 A CN 104094809A CN 201410263894 A CN201410263894 A CN 201410263894A CN 104094809 A CN104094809 A CN 104094809A
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rice
field
natural pond
water
paddy
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CN104094809B (en
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赵理
史春余
王新娟
周广财
郭希娟
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LINYI TONGDE AGRICULTURE TECHNOLOGY DEVELOPMENT Co Ltd
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LINYI TONGDE AGRICULTURE TECHNOLOGY DEVELOPMENT Co Ltd
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Abstract

The invention discloses a field weeding method for the organic cultivation of paddy rice. The method comprises the steps of preparing soil, nursing seedlings, transplanting, applying fertilizer, managing water and fertilizer, and applying organic manure before the transplanting of rice seedlings, i.e. forming a surface restoration layer; after the transplanting of the rice seedlings, applying biogas slurry to form a 4-5cm biogas water layer; and by the adoption of sparse seeding, earlier-stage promotion and later-stage control, implementing watering and fertilization at the two-leave one-heart stage, and controlling fertilizer and water at the later stage. From the point of ecology, the method realizes the purpose of preventing and eradicating field weeds by organically combining the application of the biogas slurry and the organic manure according to the biological characteristics of the paddy field weeds and the paddy rice, and has the advantages of ecosystem, environmental protection and the like as a paddy field weeding method which is good in weeding effect, cost-saving, yield-enhancing, effect-enhancing, simple and easy, thereby having important significances to the organic production of paddy rice in China.

Description

A kind of paddy rice organic farming Honda herbicidal methods
Technical field
The present invention relates to a kind of paddy rice organic farming Honda herbicidal methods.
Background technology
China is rice production and consumption big country, and 60% above population be take rice as staple food, and therefore, the quality and safety of rice product is the focus that people pay close attention to always.In 20 end of the centurys, for meeting the needs of market to high-quality, safe rice, organic rice industry is launched rapidly in China, and develops into gradually a new industry.Organic paddy rice refers to and does not use in process of production the materials such as chemical fertilizer, agricultural chemicals, growth regulator, do not adopt transgenic technology and product thereof yet, but follow the course of nature and ecological principle, the paddy rice that adopts a series of Agricultural Sustainable Development technology such as breeding combination, circular regeneration to plant.Paddy land weed is in the specific growing environment of paddy rice, the plant that directly or indirectly disturbs paddy growth, and its can directly affect growing and output of paddy rice, and weeding is always as the important step of Rice Production.Paddy rice organic farming weeding can be divided into two stages, the one, rice seedling bed weeding, the 2nd, Honda weeding.Honda weed control method mainly contains that cultivation is prevented and kill off, cultural control, biological insect control and chemical control.Research about chemical weed control is a lot, and Chemical control reaches its maturity, and herbicidal effect is best, but forbids to use chemical herbicide in paddy rice organic farming process.Not yet there is so far simple and easy to do, cost-effective paddy rice organic farming Honda herbicidal methods, still main by manually pulling out, production cost is increased greatly.Therefore, paddy field weed-killer has become the bottleneck of restriction organic paddy rice development.
The most successful to organic paddy rice Honda weeding technical research is abroad Japan, as far back as Japan in 1991, just start to apply rice-duck farming weeding, and successively in countries such as Korea S, Vietnam, Burma, Philippine, Malaysia, apply, also the Demonstration And Extension that has certain area in my South Rice Region of China (mainly in hybrid rice district), but in the Yellow River and Huai He River Dao Mailiangshu district, on the one hand due to rice field-upland field rotation, water scarcity, irrigation quantity is few, Honda the humus content of the soil is low, earth is stronger, and the aquatic animals such as river snail, loach are few, causes duck little in field foraging activity amount; On the other hand in order to solve the ripe contention of rice wheat two contradiction in season, adopt length big seedling transplanting in age, and Planting Densities is larger, shorter to the growth time on envelope ridge from rice transplanting, activity brings difficulty in field to give duck, therefore in the Yellow River and Huai He River rice district, adopt rice-duck farming herbicidal methods, not only foster duck management is time-consuming, and herbicidal effect is poor.When carrying out rice-duck farming, Japanese Niao Qu university Tianjin wild good fortune professor people has proposed the herbicidal methods of recycled writing paper covering field face.Although the method herbicidal effect is better, can only be applicable to the integrated cultivation of machine rice transplantation overlay film, whole geological measuring etc. is required strict, production cost is high, and therefore take rice transplantation by hand, as main the Yellow River and Huai He River rice district, to apply difficulty larger.Within 1998, Japan starts again to vigorously advocate " rice chaff (rice bran) rice work ", with rice chaff, carries out paddy field weed-killer and fertilization of rice, suppresses weeds germinating growth.Not only cost is high to use rice chaff, and in the situation that the Yellow River and Huai He River Dao Mailiangshu district soil organic matter content is lower, herbicidal effect is unsatisfactory.
The domestic research to organic paddy rice Honda weeding technology is started late, but also obtained in recent years certain achievement, as Jiang Lianfeng has just carried out the research of raising crabs in paddy field herbicidal effect in 1996, result of the test shows, in the situation that river crab breeding density is larger, to weeds in paddy field especially middle and later periods under water weeds to eliminate effect comparatively obvious, but the method is time-consuming, cost is high, can only be applicable to small size and produce.The researchs such as Jin Jingde are thought, can effectively control the generation of this field weed with fermentation poultry dung; Zeng Tielin etc. carry out weeding test with the rice husk powder after compound microorganism ferments and rice straw powder, and result shows, biological rice husk powder is better to weeds preventive effect; Zhu Haozheng etc. add respectively facultative anaerobe compound microbial culture starter and brown sugar and make different aquatic organisms weed killer herbicides and test in raw rice husk powder and raw rice straw powder, obtained the herbicidal effect similar to the former, the mechanisms of these three kinds of methods is with to use rice chaff basic identical, but herbicidal effect is too poor in production application.
Traditional deep water is pressed grass, with seedling, is pressed grass, lures the herbicidal methods such as careless weed eradication, farming weeding, although this field weed is had to certain control action, herbicidal effect is poor, still needs auxiliary a large amount of manually pulling out, and production cost is increased greatly.
China is biogas big country, by 2011, and domestic methane tank 3,850 ten thousand families, the national statistics whole nation, big-and-middle-sized biogas engineering has 73032 places, and annual natural pond liquid discharge capacity is up to 1.3 hundred million t.In national < < whole nation rural biogas project construction plan > > in 2007, propose, to the year two thousand twenty, production and use of marsh gas family, the whole nation is with reaching 8,000 ten thousand families, big-and-middle-sized biogas facilities engineering reaches 8000 places, and year is utilized biogas amount 44,000,000,000 m3.Linyi is the large city of national biogas, within 2013, household biogas sum reaches 48.45 ten thousand families, produces biogas total amount 2.55 billion cubic meters per year, and a year natural pond liquid discharge capacity reaches 1,500,000 t, biogas quantity and gas production keep the whole province the first, for paddy rice organic farming provides sufficient natural pond liquid resource.Natural pond liquid is the product after biogas fermentation, and output is huge, if can not get rational processing, has not only wasted resource wherein, is also easy to cause secondary pollution.In the liquid of natural pond, except containing in the macronutrients such as abundant nitrogen, phosphorus, potassium and calcium, copper, iron, zinc, manganese etc., trace element, also contain the materials such as abundant amino acid, B family vitamin, various hydrolase, certain plants hormone, rudimentary organic acid.At present both at home and abroad the improvement technology of natural pond liquid is also roughly divided into field and utilizes two kinds, type and improvement type up to standard, wherein also field utilizes and has that treating capacity is large, cost is low and to advantages such as nitrogen, phosphorus removal effect are good.Use natural pond liquid and can improve rice yield, improve rice quality, reduce energy resource consumption and environmental pollution.A lot of on the research of rice growth impact about using natural pond liquid, but the research of paddy field weed-killer effect be there is not yet to report.
Tradition drought is educated long age large seedling and is taked the technical measures of " front control, rear short ", in order to control the too fast growth of rice shoot, in early stage, carrying out overweight rich water controls, cause rice shoot failure, form pimple seedling, and the later stage is in order to promote growth, carry out rich water onslaught, newly go out cauline leaf tender, do not organize enrich, cell to moisture in saturation state, slow, the root of hair of turning green after transplanting tillers late, impact is grown.The method that tradition is used muck is to spread fertilizer over the fields after rice transplanting, and the method must be carried out particle processing etc. by fertilizer, and cost increases greatly.
Summary of the invention
Object of the present invention is exactly in order to address the above problem, a kind of paddy rice organic farming Honda herbicidal methods is provided, the present invention is from ecological angle, utilize paddy land weed and Rice biology characteristic, using of natural pond liquid and fertilizer combined, reach the object of preventing and kill off paddy land weed, be that a kind of herbicidal effect is good, abridged edition, volume increase, synergy, simple and easy to do paddy field weed-killer method, there is the advantages such as ecology, environmental protection, significant to China's paddy rice organic production.
To achieve these goals, the present invention adopts following technical scheme:
A paddy rice organic farming Honda herbicidal methods, comprises whole ground, grows seedlings, transplants, fertilising, water and fertilizer management, is characterised in that, organic manure is applied before rice transplanting, forms earth's surface reduction zone; After rice transplanting, use natural pond liquid, form the natural pond liquid layer of 4-5cm; Adopt " light seeding, front short, rear control ", in 21 heart stages of leaf, carry out watering, fertilizing.
Above-mentioned paddy rice organic farming Honda herbicidal methods, specifically comprises the following steps:
1) rice field planning: field side adopts " non-" font to fill with row's design, and the mu into 1-1.5 is amassed in each aspect, field;
2) Honda applies with base manure wholely
When plough in paddy field, the histosol miscellaneous fertilizers having become thoroughly decomposed is applied by 1.5-2.5t/ mu holostrome, before rice transplanting by Honda dry whole after, then it is whole to carry out water, whole thin leveling, guarantees to fill with formation natural pond, Ye Houquan field, natural pond liquid layer, not open country skin;
3) earth's surface reduction zone is manufactured
After paddy field water either leveling, the fertilizer of 1000-1500kg (muck that preferably becomes thoroughly decomposed, as chicken manure or pig manure) is directly sprinkled into field face, forms earth's surface reduction zone;
4) rice transplanting
Select take root fast, growing way is strong, the vigorous type kind of early growth (avoiding strong reduction reaction to produce inhibitory action to paddy rice early growth), row pier distance is 25-27cm * 13-14cm, seeding quantity 20-25kg/ mu (reduces to 20-25kg/ mu by seeding quantity by traditional 35-40kg/ mu, can there is appropriate colony, can make again individuality have more sufficient growing space, thereby make ontogeny good.), during rice transplanting, field keeps melon skin water, is beneficial to rice transplanting, and rice shoot will be inserted directly, does not tilt, in order to avoid immerse natural pond water layer;
5) natural pond liquid layer is manufactured and is cultivated strong sprout
After rice transplanting, use natural pond liquid (preferably animal dung natural pond liquid or stalk animal dung are mixed), according to the sowing amount of 1-2t/ mu, with water, pour into or splash, form the natural pond water layer of 4-5cm, 15-25 days after rice transplanting, pours into natural pond liquid 0.5-1.5t/ mu for the second time;
Cultivate strong seedling, adopt " light seeding, front short, rear control " to carry out watering, fertilizing in 21 heart stages of leaf, (promote the early stage low position tiller that produces, particularly promote the formation of sheath tiller, sheath tiller big panicle many grains per panicle, is conducive to volume increase.) in the later stage, control rich water, can make rice shoot tissue enrich, very strong, particularly before transplanting by the dry season of 5-7 days, make histocyte in the starvation to moisture, direct growth after transplanting, does not have period of seedling establishment, and erupts rapidly new root and new tiller.
6) dry field
The total stem tiller number of mu starts light dry field while reaching target spike number 80-85%;
7) impose ear manuer
Fixed length between paddy rice first segment, rehydration during 6-7cm between second section, imposes 25-35kg/ mu solid quick-acting organic fertilizer (preferably fermentation soybean cake fertilizer).
Beneficial effect of the present invention:
1, the present invention is from ecological angle, under organic farming condition, do not use any chemical weed control material, utilize paddy land weed and Rice biology characteristic, by manufacturing " solid-liquid bifunctional layer ", using of natural pond liquid and fertilizer combined, reach the object of preventing and kill off paddy land weed, natural pond liquid is used in paddy field, can weeding, make again fertilizer, can greatly reduce the environmental pollution that natural pond liquid discharge causes, protect and improve the ecological environment, that a kind of herbicidal effect is good, abridged edition, volume increase, synergy, simple and easy to do paddy field weed-killer method, there is ecology, the advantages such as environmental protection, it is the innovation of paddy rice organic farming Honda herbicidal methods, significant to China's paddy rice organic production.
2, adopt " light seeding, front short, rear control " to educate strong seedling technology in long age for the optimization drought of core, fundamentally changed the theory that traditional drought is educated large seedling in long age " front control, rear short ".Seeding quantity is reduced to 20-25kg/ mu by traditional 35-40kg/ mu, can have appropriate colony, can make again individuality have more sufficient growing space, thereby make ontogeny good.Take the short control means of rich water of " front short, rear control ", in 21 heart stages of leaf, carry out watering, fertilizing, promote the early stage low position tiller that produces, particularly promote the formation of sheath tiller, sheath tiller big panicle many grains per panicle, is conducive to volume increase.According to plant arid physilogical characteristics, in the later stage, carrying out certain rich water controls, can make rice shoot tissue substantial, very strong, particularly before transplanting, pass through the dry season of 5-7 days, make histocyte in the starvation to moisture, direct growth after transplanting, does not have period of seedling establishment, and erupts rapidly new root and new tiller.
3, natural pond liquid is the liquid that organic matter anaerobic digestion produces, in the liquid of natural pond, contain the materials such as a large amount of anaerobes, organic matter, nitrogen, phosphorus, potassium, trace element, vitamin, after natural pond liquid applies, accelerate on the one hand the anaerobic digestion of earth's surface fertilizer, there is strong reduction reaction, make natural pond water layer and table mud layer anoxic, and produce the gases such as a large amount of rudimentary organic acids and C2H4, H2S, CO2, thereby suppress weeds germinating growth; There is anaerobic digestion with organic matter after applying in natural pond liquid on the other hand, deepens the colourity of natural pond water layer, light transmittance reduced greatly low, and heliophilic weed growth is inhibited.After rice transplanting 20 days, with water, pour into natural pond liquid 1t/ mu for the second time, keep thickness and the concentration of natural pond water layer.Weeding rate reaches more than 90%.This herbicidal methods is compared with the organic herbicidal methods of tradition, and herbicidal effect is good, simple and easy to do.After paddy rice jointing, field closing, weeds are difficult to growth, so organic farming management routinely after jointing.
4, can increase soil fertility, strengthen paddy rice resistance, improve rice quality, improve per unit area yield: in the liquid of natural pond except containing in the macronutrients such as abundant nitrogen, phosphorus, potassium and calcium, copper, iron, zinc, manganese etc., trace element, also contain the materials such as abundant amino acid, B family vitamin, various hydrolase, certain plants hormone, rudimentary organic acid, natural pond liquid is not only good liquid quick-acting fertilizer, and rice warm disease etc. is had to obvious inhibitory action, and can improve rice quality, improve rice yield.
5, adopt the present invention can saving of labor, abridged edition, increase production and improve productivity: the one, in the manufacture of earth's surface reduction zone and natural pond liquid layer and paddy rice organic farming process, regulation of fertilizer requirement is coupled, and at paddy growth, in earlier stage does not need to topdress separately; The 2nd, the manufacture of earth's surface reduction zone, before rice transplanting, the chicken manure becoming thoroughly decomposed being directly sprinkled into field face can form; The manufacture of natural pond liquid layer, pours into (or splash) from water inlet with water by natural pond liquid.The present invention is the effective utilization to waste water, is the ingenious combination on natural pond liquid and fertilizer are used, and saves labor, cheap, cost-saving, increases production and improves productivity.
6, the environment and the contamination of products that adopt the present invention can avoid using chemical herbicide etc. to cause: natural pond used in the present invention liquid is the liquid being produced by anaerobic digestion by stalk, people and animals' fecaluria etc., and chicken manure can decompose contained chemical substance totally in digest process." solid-liquid bifunctional layer " the weeding method of employing, not needing, with chemical herbicide, does not need with imposing chemical fertilizer yet, therefore can not cause the pollution to environment and product.
Embodiment
The present invention carries out in Zheng Wang town, Hedong District, Linyi, within 2012,2013, carries out field trial and produces demonstration.
Implement place rice wheat crop rotation for many years, soil fertility is medium, annual precipitation 700mm left and right, average temperature of the whole year 13oC, frost-free season 200d left and right.General early and middle ten days sowing in May, mid or late June transplants, after ripening before October 10.Mostly be non-irrigated seedling.
Seedling-cultivation technique
1) kind is selected: select and take root the vigorous type kind of early growth fast, growing way is strong, more light, capital draw 119, middle part 67 superior rice kinds.
2) rice seedling bed is selected: ground, selection vegetable garden, rice seedling bed or dry land, generally do not select ground, rice field.Requirement irrigation and drainage are convenient, and loosing soil is fertile, the content of organic matter is high, water-permeable and air permeable is good, be faintly acid (PH5.5), and basic soil can suitably be adjusted with humus.
3) meticulous whole ground, use sufficient base manure: before year, upturned soil is frozen in a winter ploughing, before sowing, within 7-8 days, ploughs rake, the pig manure 2000kg that while ploughing rake, mu is executed farmyard manure 5000kg, become thoroughly decomposed, then further leveling harrowed carefully, carries out the wide furrow of 1.2-1.5 rice.
4) pour water and draw grass and eliminate: every furrow are carried out to broad irrigation, fill with even filling saturating, impel weeds to germinate and be unearthed.1 day prior to seeding, with the shallow rake of Rotary tillage rake (or hoe is uprooted deeply) 3-5cm, and carry out airing, make weeds withered.Then sow.
5) dry seeds sowing: adopt selected dry seeds to sow (for improving percentage of seedgermination and germination vigor, 1-2 days prior to seeding basks seeds).Adopt dry seeds within after planting 6-7 days, to move back soil, the long equal deficiency of rice bud is shorter, not yet unearthed, now moves back soil and easily weeds is removed, and do not hinder paddy kind bud, and in rice shoot ground, stem is short, is conducive to cultivate strong sprout.Moisture creating-sow seeds-earthing 3cm that can first pour water during sowing, also can first sow seeds-earthing 3cm-fills with cover-head water.Linyi City wheat stubble summer rice more light suitable sowing date is 18-May 22 May, it is 8-May 12 May that 119 suitable sowing dates are drawn in middle part 67 and capital, and drought is educated strong seedling mu seeding quantity 20-30kg/ mu (the fertile plot such as vegetable garden 20-25kg/ mu, general field 25-30kg/ mu).Mid or late June pulls up seedlings for transplanting.
6) move back earth removal grass: after planting 6-7 days (when the most of weeds in topsoil have just been unearthed), with scraper plate or scrape rake and the topsoil of 2cm is scraped to both sides become the furrow ridge, weeds nearly all in 3-5cm topsoil can be scavenged into like this to place, the furrow ridge, even if remain part grass bud in seedling plate, also can dry up under burning sun.When the weeds of darker soil layer are unearthed, rice shoot is large, and weeds are pressed in to bottom, suppresses weed growth, substantially can not form harm.
7) cultivate strong seedling: adopt " light seeding, front short, rear control " to educate strong seedling technology in long age for the optimization drought of core, seeding quantity reduces to 20-25kg/ mu, can have appropriate colony, can make again individuality have more sufficient growing space, thereby make ontogeny good.Take the short control means of rich water of " front short, rear control ", in 21 heart stages of leaf, carry out watering, fertilizing, promote the early stage low position tiller that produces, particularly promote the formation of sheath tiller, sheath tiller big panicle many grains per panicle, is conducive to volume increase.According to plant arid physilogical characteristics, in the later stage, carrying out certain rich water controls, can make rice shoot tissue substantial, very strong, particularly before transplanting, pass through the dry season of 5-7 days, make histocyte in the starvation to moisture, direct growth after transplanting, does not have period of seedling establishment, and erupts rapidly new root, new tiller.
8) the rice seedling bed extermination of disease and insect pest: prior to seeding with limewash sterilization, prevention bakanae disease, damping off etc.; Employing fly net covers, and prevents the insect pests such as small brown rice planthopper, thrips, leafhopper, thereby prevents the generation of stripe virus disease, black streak dwarf.
Honda culture technique
1), rice field planning: field side adopts " non-" font to fill with and arranges design, and 1-1.5 mu is amassed in each aspect, field, is beneficial to fill with execute natural pond liquid and keep the even of natural pond water layer.
2), Honda applies with base manure wholely: while ploughing rake after harvesting wheat, the histosol miscellaneous fertilizers having become thoroughly decomposed is applied by 2t/ mu holostrome.Before rice transplanting by Honda dry whole after, then it is whole to carry out water, whole thin leveling, guarantees to fill with formation natural pond, Ye Houquan field, natural pond liquid layer, not open country skin.
3), earth's surface reduction zone is manufactured: after paddy field water either leveling, before rice transplanting, the Chicken dung of 1000-1500kg is directly sprinkled into field face, forms earth's surface reduction zone, then carry out rice transplanting.The Chicken dung that earth's surface reduction zone is used does not need retrofit, after slime water leveling, before rice transplanting, directly spreads fertilizer over the fields to field face, after rice transplanting, fills with and executes natural pond liquid, forms rapidly earth's surface reduction zone, suppresses weeds germinating growth.The method can be carried out wheat straw waste also field (best mechanical mincing and returning to the field), and crop-residue incorporation is controlled at 200-300kg/ mu, fills with and executes after the liquid of natural pond, and a large amount of anaerobes in the liquid of natural pond, can promote straw anaerobic digestion.
4), rice transplanting: Dao Qu suitable transplanting date in Linyi is 20-25 day in June, and row pier distance is 25-27cm * 13-14cm.During rice transplanting, field keeps melon skin water, is beneficial to rice transplanting, and rice shoot will be inserted directly, does not tilt, in order to avoid immerse natural pond water layer.
5), natural pond liquid layer is manufactured: after rice transplanting, use animal dung natural pond liquid or stalk animal dung and mix natural pond liquid, according to 1.5/ mu, at water inlet place, with water, pour into (or splashing), finally form the natural pond water layer of 4-5cm.After rice transplanting 20 days, with water, pour into natural pond liquid 1t/ mu for the second time, keep thickness and the concentration of natural pond water layer.
6), dry field: the total stem tiller number of mu starts light dry field while reaching target spike number 80-85%.
7), impose ear manuer: (fixed length between paddy rice first segment, basic fixed length between second section) rehydration after dry field, imposes fermentation soybean cake fertilizer, 30kg/ mu.
8), organic farming method routinely carry out rich water quality management after booting stage, until ripe results.
Economic benefit of the present invention
1) herbicidal effect is good
Adopt the inventive method, as table 1 herbicidal effect reaches 94.3%, than current used rice bran weeding rate, improve 16.5 percentage points, than Chicken dung weeding rate, improve 42.2 percentage points, only than artificial weeding rate, reduce by 1.3 percentage points.
2) increasing both production and income benefit
Japan's high quality japonica kind is light more, and adopting the inventive method per unit area yield as average in table 2 is 422.8kg/ mu, than contrast volume increase 55.2%, than current used rice bran weeding volume increase 16.1%, than Chicken dung weeding volume increase 27.0%, than artificial weeding volume increase 10.8%.Adopting the present invention is 751.7 yuan/mu than contrast volume increase income, than current used rice bran weeding volume increase income, is 271.2 yuan/mu, than Chicken dung weeding volume increase income, is 428.4 yuan/mu, than artificial weeding volume increase income, is 184.9 yuan/mu.
3) comprehensive benefit
Adopt the economic benefit of the inventive method as table 3 increases by 726.7 yuan/mu than contrast, than current used rice bran weeding, increase by 426.2 yuan/mu, than Chicken dung weeding, increase by 426.2 yuan/mu, than artificial weeding, increase by 403.4 yuan/mu.
Table 1 field trials in 2012,2013 and produce demonstration herbicidal effect
Table 2 field trials in 2012,2013 and produce demonstration output
Table 3 field trials in 2012,2013 and produce demonstration performance analysis
Note: 1) 100 yuan/t of histosol miscellaneous fertilizers, liquid 50 yuan/t in natural pond (comprises pumping expense, nitrogen content 0.3%), 2 yuan/kg of rice bran (nitrogen content 1.8%) after particle processing, 0.6 yuan/kg of Chicken dung (nitrogen content 1.6%), 4 yuan/the kg of soybean cake fertilizer (nitrogen content 7.0%) that becomes thoroughly decomposed, artificial weeding takes 10 yuan/hour, and organic paddy price is calculated by 5 yuan/kg.
2) will become thoroughly decomposed histosol miscellaneous fertilizers 2t/ mu and Chicken dung 500kg/ mu of CK is made base manure holostrome and is applied, and ear manuer imposes the cake fertilizer 30kg/ mu that becomes thoroughly decomposed, and does not carry out any weeding processing; To become thoroughly decomposed histosol miscellaneous fertilizers 2t/ mu and Chicken dung 500kg/ mu of T1 is made base manure holostrome and is applied, and ear manuer imposes the cake fertilizer 30kg/ mu that becomes thoroughly decomposed, and carries out artificial weeding; The T2 histosol miscellaneous fertilizers 2t/ mu that will become thoroughly decomposed is made base manure holostrome and is applied, before transplanting after water leveling, the chicken manure having become thoroughly decomposed is sprinkled into field face by 200kg/ mu, after transplanting, fill with and execute (or splashing) natural pond liquid 1.5t/ mu, transplant and again fill with and execute natural pond liquid 1t/ mu for latter 20 days, ear manuer imposes the cake fertilizer 30kg/ mu that becomes thoroughly decomposed; To become thoroughly decomposed histosol miscellaneous fertilizers 2t/ mu and Chicken dung 300kg/ mu of T3 is made base manure holostrome and is applied, and transplants and within latter 6 days, spreads fertilizer over the fields rice bran 150kg/ mu, and ear manuer imposes the cake fertilizer 30kg/ mu that becomes thoroughly decomposed; To become thoroughly decomposed histosol miscellaneous fertilizers 2t/ mu and Chicken dung 200kg/ mu of T4 is made base manure holostrome and is applied, and transplants and within latter 6 days, spreads fertilizer over the fields Chicken dung 300kg/ mu, and ear manuer imposes the cake fertilizer 30kg/ mu that becomes thoroughly decomposed.
3) each total nitrogen content of processing the fertilizer that applies is basic identical.
Although above-mentioned, the specific embodiment of the present invention is described in conjunction with the embodiments; but be not limiting the scope of the invention; one of ordinary skill in the art should be understood that; on the basis of technical scheme of the present invention, those skilled in the art do not need to pay various modifications that creative work can make or distortion still in protection scope of the present invention.

Claims (4)

1. a paddy rice organic farming Honda herbicidal methods, comprises whole ground, grows seedlings, transplants, fertilising, water and fertilizer management, it is characterized in that, organic manure is applied before rice transplanting, forms earth's surface reduction zone; After rice transplanting, use natural pond liquid, form the natural pond liquid layer of 4-5cm; Adopt " light seeding, front short, rear control ", in 21 heart stages of leaf, carry out watering, fertilizing.
2. Honda herbicidal methods as claimed in claim 1, is characterized in that, specifically comprises the following steps:
1) rice field planning: field side adopts " non-" font to fill with row's design, and the mu into 1-1.5 is amassed in each aspect, field;
2) Honda applies with base manure wholely: when plough in paddy field, the histosol miscellaneous fertilizers having become thoroughly decomposed is applied by 1.5-2.5t/ mu holostrome, before rice transplanting by Honda dry whole after, then it is whole to carry out water;
3) earth's surface reduction zone is manufactured: after paddy field water either leveling, the fertilizer of 1000-1500kg is directly sprinkled into field face, forms earth's surface reduction zone;
4) rice transplanting: select take root fast, growing way is strong, the vigorous type kind of early growth, row pier is apart from be 25-27cm * 13-14cm, seeding quantity 20-25kg/ mu, field maintenance melon skin water during rice transplanting;
5) natural pond liquid layer is manufactured and is cultivated strong sprout: after rice transplanting, use natural pond liquid, according to the sowing amount of 1-2t/ mu, with water, pour into or splash, form the natural pond water layer of 4-5cm, 15-25 days after rice transplanting, pours into natural pond liquid 0.5-1.5t/ mu for the second time;
Cultivate strong sprout, adopt " light seeding, front short, rear control " to carry out watering, fertilizing in 21 heart stages of leaf, control later stage rich water, before transplanting by the dry season of 5-7 days;
6) dry field: the total stem tiller number of mu starts light dry field while reaching target spike number 80-85%;
7) impose ear manuer: fixed length between paddy rice first segment, between second section, rehydration during 6-7cm, imposes 25-35kg/ mu solid quick-acting organic fertilizer.
3. method as claimed in claim 2, is characterized in that, described step 5) formation of Ye Quan field, natural pond, not open country skin.
4. herbicidal methods as claimed in claim 2, is characterized in that, the method carry out wheat straw waste also during field crop-residue incorporation be 200-300kg/ mu.
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CN104686042A (en) * 2015-03-31 2015-06-10 浙江农林大学 Paddy field fertilizing method based on biogas slurry water fertilizer
CN106258655A (en) * 2016-08-12 2017-01-04 广东海纳农业有限公司 A kind of herbicidal methods of organic paddy rice
CN109673438A (en) * 2019-01-11 2019-04-26 江苏省农业科学院泰州农科所 Hydraulic pressure grass method is controlled in the comprehensive breeding in rice field
CN110463723A (en) * 2019-07-24 2019-11-19 江苏益客食品集团股份有限公司 It is a kind of for the solid-state microorganism herbicide of paddy field, preparation method and applications
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CN110583398A (en) * 2019-10-16 2019-12-20 淮阴师范学院 Rice cultivation method based on digestion scale pig farm biogas slurry in northern Suzhou region
CN110583398B (en) * 2019-10-16 2021-06-04 淮阴师范学院 Rice cultivation method based on digestion scale pig farm biogas slurry in northern Suzhou region
CN112425470A (en) * 2020-11-17 2021-03-02 中国水稻研究所 Rice film mulching machine transplanting integrated cultivation method

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