CN104823776A - An organic rice cultivation method - Google Patents
An organic rice cultivation method Download PDFInfo
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- CN104823776A CN104823776A CN201410046034.4A CN201410046034A CN104823776A CN 104823776 A CN104823776 A CN 104823776A CN 201410046034 A CN201410046034 A CN 201410046034A CN 104823776 A CN104823776 A CN 104823776A
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Abstract
The present invention discloses an organic rice cultivation method which includes the following steps: seed selecting, sowing and rice seedling transplanting, fertilizing, irrigating, weeding, and plant disease and insect pest preventing and curing. The method overcomes the disadvantages of conventional rice cultivation which uses chemically synthesized pesticide, chemical fertilizers and growth regulators etc., thus leaves pesticide and chemical fertilizer residues in rice and damages human health. The present invention provides the organic rice cultivation method which is not only the product of pursuing the conception of green, pollution free and environmentally friendly and healthy diet nowadays, but also a method of rice cultivation to meet the sustainable development needs of modern agriculture.
Description
Technical field
The invention belongs to plant cultivation grain management method class, relate to a kind of organic rice cultivation method.
Background technology
Tradition rice cropping uses the material such as agricultural chemicals, chemical fertilizer, growth regulator of chemosynthesis, makes rice have the residual of agricultural chemicals, chemical fertilizer, jeopardizes health.
Summary of the invention
Organic paddy rice refers to the material such as agricultural chemicals, chemical fertilizer, growth regulator not using chemosynthesis, follow the course of nature and Ecological Principle, adopt the agrotechnique of a series of sustainable development, maintain the plantation paddy rice out of continual and steady agriculture process of growth, the material such as agricultural chemicals, chemical fertilizer, growth regulator of chemosynthesis is used in order to overcome traditional rice cropping, make rice have the residual of agricultural chemicals, chemical fertilizer, jeopardize health shortcoming.A kind of organic rice cultivation method is provided.
The present invention is not only a kind of rice cultivating method that product, especially Sustainable Development of Modern Agriculture under the diet theory pursuing now green, pollution-free, environment protection health need.
The technical scheme that the present invention takes is:
Techniqueflow of the present invention: seed selection → sowing and rice transplanting → fertilising → irrigation → weeding → extermination of disease and insect pest
1, choose seeds
Outstanding rice paddy seed direct relation the prevention of the problem such as growth, management, damage by disease and insect of Later Stage of Rice and is resisted the output even directly affecting paddy rice, and therefore, seed selection is the committed step of Rice Cropping.And for the seed of organic paddy rice, select that good stress resistance (mainly Resistant harm), strong, the bigger than normal fringe of tillering ability, eutrophy, commodity are good, superior rice and the improved seeds of suitable rice seedling on upland field, superthin spacing pattern, germination rate more than 95%, pure, cleanliness more than 99%.
2, sowing and rice transplanting
First the rice paddy seed chosen is carried out airing 1-2 days before sowing, the limewash of rear use 1% soaks 2-3 days, carries out vernalization sowing more afterwards to seed.Doing like this can the paddy rice common disease such as the prevention of water rice bakanae disease, Aplelenchiodes bessegi of rice, is conducive to the control of damage by disease and insect.
Rice paddy seed occurs that budlet in vain just can carry out having sowed later.During sowing, temperature to sowing quality and nursery extremely important.Be generally carry out when temperature is stabilized in more than 12 DEG C sowing the most suitable.Seedlings seedling raising method during nursery adopts, the length of time rice seedlings grow rests in about 30 days, rice seedling at 5-7 leaf and temperature is stabilized in 13 DEG C time be best opportunity of rice transplanting.
When starting rice transplanting, the Transplanting pattern of super thin planting should be taked, accomplish that seedling, limit rice transplanting are played in limit as far as possible, shallowly to insert, insert straight, insert even, insert rare, rational close planting, finds to be short of seedling disconnected vacant lot side, carries out transplanting seedlings mending and plants, to guarantee that the even seedling of the neat seedling of seedling full stand is strengthened.
When carrying out rice transplanting, answer rational close planting.Spacing in the rows is wide can waste soil, and the narrow seedling that can affect rice shoot of spacing in the rows, the later stage easily lodges and affects output, waste rice shoot.Spacing in the rows the most suitable should remain 0.11 × 0.25 meter, every mu of density 2.0 ~ 2.2 ten thousand cave, and wherein 3 ~ 4 strains are planted in the every cave of hybrid rice, every mu of Basic Seedling 6 ~ 70,000; 6 ~ 7 strains are planted in the every cave of conventional Rice, every mu of Basic Seedling about 120,000.
3, apply fertilizer
Fertilising runs through the overall process of the growth of paddy rice.And for the cultivation of organic paddy rice, the selection of fertilizer and the time of fertilising etc. ensure the important aspect of paddy rice organic matter.The plantation of organic paddy rice can only application of organic fertilizers, and can not use general chemical fertilizer.Best fertilizer mainly contains cake fertilizer, chicken manure, pig manure, cow dung (must become thoroughly decomposed, ferment) etc.
Fertilising should be carried out before rice transplanting, was called base manure.Before rice transplanting, soil carries out when ploughing, every mu can execute 2000 kilograms become thoroughly decomposed, the chicken manure that ferments, pig manure, cow dung, apply evenly, not energy product heap, with unburned seedling; And fertilizer 1 ~ 2 ton/mu can have been executed in time and base manure made by 50 kgs/acre, the cake fertilizer that becomes thoroughly decomposed in conjunction with whole for ground, seedbed.On seedling plate, cover organic commercial fertilizer 2 tons/mu after broadcasting, to be incubated, to be incubated, anti-dew seed, anti-sparrow evil, improve percentage establishment of seedling; Rice seedling uses 50 kgs/acre, the cake fertilizer that becomes thoroughly decomposed seedling stage, short early life of tillering; Use at rice growing season 100 ~ 200 kgs/acre, the cake fertilizer that becomes thoroughly decomposed, wherein hybrid rice is divided booty based on tiller, and before and after conventional Rice, the phase respectively accounts for 50%.Note, definitely can not be to fertilize in the whole planting process of paddy rice, and apply fertilizer to the subsoil and want amount of fine quality foot, topdress and will have many meals but little food at eath, simultaneously how many according to soil fertility, growing way and base fertilizer, rationally topdress, mainly chased after tillering fertilizer, regulated fertilizer, fringe, granulated fertilizer, growth period duration of rice of guaranteeing supply, is to the needs of nutritive element.
4, irrigate
Paddy rice is happiness water-based cereal crops, and the growth of Rational Irrigation to paddy rice has the effect be not of the common run.Plantation organic paddy rice necessarily selects the plot that water condition is good, must not water yearningly, and clean water must be taked to irrigate for the irrigation of organic paddy rice, must not use sanitary sewage, industrial wastewater fills with field, can not irrigate with well water, really can not with well water irrigate, sunning water pool be established, improve water temperature, single single filling should be accomplished, on water layer management, based on shallow simultaneously, heat with water, with the short control of water, support root with gas, with Gen Baoye, straw staygreen.
Concrete irrigation method is: rice transplanting is to early tillering stage Deep irrigation of turning green, and water layer 5 cm, is strictly on guard against dehydration, 2 ~ 3 centimetres of water layers after turning green, based on shallow before effective tiller, improve ground, water temperature, promotion is tillered, at the end of effective tiller, to grow prolifically plot, draining dry field immediately, 7 ~ 10 days, controls ineffective tillering, dry field degree reaches face, field and turns white, and there is crackle on ground, and ground meets personally white, leaf look moves back light straight and upright, promotes root system development.After draining dry field, take the intermittent irrigation done, wet, do, with Gen Baoye, support root and protect tiller.Later stage, as run into nighttime temperature lower than less than 17 DEG C, takes deep water to protect tire, water layer 15 cm, and this is the effective measures of defence obstruction type chilling injury.Booting stage, shallow water duty was filled with; Shallow irrigation after heading; Should stop watering to stage of yellow ripeness.By scientific and effective water starch management, promote that paddy rice early point, early seal row, reach with water control grass, to urge seedling with water, with seedling pressure grass with adjust fertile object with water.
5, weeding
The weeding of organic paddy rice, because can not spray insecticide, needs the herbicidal methods using other.Specifically, the weeding of organic paddy rice plantation, except common artificial uprooting weed, also has following several comparatively feasible method.
Careless weed eradication is lured before rice transplanting.Specific practice is: what within 40 ~ 50 days before carrying out rice transplanting, just start to continue plot pours water, and makes field soil keep moistening, to bring out the growth of weeds, and reduces weeds radix, to reach the object of weed eradication by ploughing for several times; In addition, 10 ~ 15 days before rice transplanting, then adopt the method manually pulled out to pull out the weeds ploughing and carry over, particularly for the weeds at advanced age during the malignant weeds such as two fringe sparrows and paddy growth, must repeatedly manually pull out.
After rice transplanting, vegetative period with seedling pressure grass, with hydraulic pressure grass.This herbicidal methods is mainly by rational close planting, and the measures such as the quantity increasing Basic Seedling and water starch management rice shoot being carried out to science, to reach the object suppressing weed growth.
Solid growth, foster duck weeding.Adopt the method for solid growth, utilize the measure of rice-duck intergrowth to control the generation of weeds in field.Specific practice selects that build is moderate, duck kind that mobility is stronger, synchronously cultivates, suppressed the growth of weeds in rice field by the activity of duck with rice planting.In general, every mu of cultivation 10 ~ 15 ducks are comparatively suitable.
6, the extermination of disease and insect pest
The extermination of disease and insect pest is also a requisite program and the technology of Rice Cropping, common rice can carry out the control of damage by disease and insect by chemical substances such as agricultural chemicals, and can not spray insecticide for the process of damage by disease and insect aborning as pure natural, pollution-free, healthy paddy rice due to organic paddy rice, this brings difficulty with regard to giving the extermination of disease and insect pest of organic paddy rice.And need comprehensive preventive health measures be taked for the extermination of disease and insect pest between organic paddy rice planting season.
Disease control
Rice disease mainly contains bakanae disease, rice blast, banded sclerotial blight and false smut etc.Main based on cultural control in method.Specifically: by cultivating strong seedling, rational close planting, Scientific Regulation rich water, put the resistance that the paddy rice Healthy culture measures such as field control peak seedling strengthen plant in good time, improve field microclimate, alleviate the generation of disease.
Pest control
Rice grub mainly contains Lissorhoptrus oryzophilus Kuschel, rice thrips, rice fulgorid, rice leaf roller, snout moth's larva etc.Control needs adopt many kinds of measures, reduce causing harm of insect, make percent of loss control within 8%, substantially guarantee that field is without the white leaf of large area, dead ears and withered area.Specifically, following several method is mainly contained:
Cultural control: by Healthy culture, strengthens the resistance to insects of plant.
Physical control: install frequency ventilating type insecticidal lamp (about 30 mu /) trapping field phototaxis insect.The lighting time is about from the most suitable 18:30 every night after the first tenday period of a month in May.
Biological control: one is strengthen monitoring, perfects pest forecasting system, accurately grasps insect pest situation, carry out control up to standard; Two is chemical control, select through Organic certification mechanism accreditation biopesticide and botanical pesticide such as " BT pulvis " and 0.5% " matrine " aqueous solvent etc. prevent and treat, emphasis do a good job of it 1,2 generation snout moth's larva, 2 generation leaf-roller and 2 generation plant hopper control, with Control pests radix; Three is biological controls, utilizes the population quantity of existing natural enemy (spider, parasitic wasp, batrachia etc.) Control pests; Four is duck-raising enclosed paddy fieldses, is controlled the generation quantity of the Field Pests particularly middle and lower part insect such as plant hopper by growing rice with ducks.
Finally, after late rice harvesting, need kind of a foot to plant green manure, with fertilizing soil, reduce the input amount of fertilizer in the coming year, to reduce production cost.
Claims (7)
1. an organic rice cultivation method, is made up of seed selection, sowing and rice transplanting, fertilising, irrigation, weeding, the extermination of disease and insect pest.
2. a kind of organic rice cultivation method according to claim 1, it is characterized in that described seed selection, outstanding rice paddy seed direct relation the prevention of the problem such as growth, management, damage by disease and insect of Later Stage of Rice and is resisted the output even directly affecting paddy rice, therefore, seed selection is the committed step of Rice Cropping.And for the seed of organic paddy rice, select that good stress resistance (mainly Resistant harm), strong, the bigger than normal fringe of tillering ability, eutrophy, commodity are good, superior rice and the improved seeds of suitable rice seedling on upland field, superthin spacing pattern, germination rate more than 95%, pure, cleanliness more than 99%.
3. a kind of organic rice cultivation method according to claim 1, is characterized in that described sowing and rice transplanting, first the rice paddy seed chosen is carried out airing 1-2 days before sowing, and the limewash of rear use 1% soaks 2-3 days, carries out vernalization sowing more afterwards to seed.Doing like this can the paddy rice common disease such as the prevention of water rice bakanae disease, Aplelenchiodes bessegi of rice, is conducive to the control of damage by disease and insect.
Rice paddy seed occurs that budlet in vain just can carry out having sowed later.During sowing, temperature to sowing quality and nursery extremely important.Be generally carry out when temperature is stabilized in more than 12 DEG C sowing comparatively suitable.Seedlings seedling raising method during nursery adopts, the length of time rice seedlings grow rests in about 30 days, rice seedling at 5-7 leaf and temperature is stabilized in 13 DEG C time be best opportunity of rice transplanting.
When starting rice transplanting, the Transplanting pattern of super thin planting should be taked, accomplish that seedling, limit rice transplanting are played in limit as far as possible, shallowly to insert, insert straight, insert even, insert rare, rational close planting, finds to be short of seedling disconnected vacant lot side, carries out transplanting seedlings mending and plants, to guarantee that the even seedling of the neat seedling of seedling full stand is strengthened.
When carrying out rice transplanting, answer rational close planting.Spacing in the rows is wide can waste soil, and the narrow seedling that can affect rice shoot of spacing in the rows, the later stage easily lodges and affects output, waste rice shoot.Spacing in the rows the most suitable should remain 0.11 × 0.25 meter, every mu of density 2.0 ~ 2.2 ten thousand cave, and wherein 3 ~ 4 strains are planted in the every cave of hybrid rice, every mu of Basic Seedling 6 ~ 70,000; 6 ~ 7 strains are planted in the every cave of conventional Rice, every mu of Basic Seedling about 120,000.
4. a kind of organic rice cultivation method according to claim 1, is characterized in that described fertilising, and fertilising runs through the overall process of the growth of paddy rice.And for the cultivation of organic paddy rice, the selection of fertilizer and the time of fertilising etc. ensure the important aspect of paddy rice organic matter.The plantation of organic paddy rice can only application of organic fertilizers, and can not use general chemical fertilizer.Best fertilizer mainly contains cake fertilizer, chicken manure, pig manure, cow dung (must become thoroughly decomposed, ferment) etc.
Fertilising should be carried out before rice transplanting, was called base manure.Before rice transplanting, soil carries out when ploughing, every mu can execute 2000 kilograms become thoroughly decomposed, the chicken manure that ferments, pig manure, cow dung, apply evenly, not energy product heap, with unburned seedling; And fertilizer 1 ~ 2 ton/mu can have been executed in time and base manure made by 50 kgs/acre, the cake fertilizer that becomes thoroughly decomposed in conjunction with whole for ground, seedbed.On seedling plate, cover organic commercial fertilizer 2 tons/mu after broadcasting, with moisturizing, insulation, anti-dew seed, anti-sparrow evil, improve percentage establishment of seedling; Rice seedling uses 50 kgs/acre, the cake fertilizer that becomes thoroughly decomposed seedling stage, short early life of tillering; Use at rice growing season 100 ~ 200 kgs/acre, the cake fertilizer that becomes thoroughly decomposed, wherein hybrid rice is divided booty based on tiller, and before and after conventional Rice, the phase respectively accounts for 50%.Note, definitely can not be to fertilize in the whole planting process of paddy rice, and apply fertilizer to the subsoil and want amount of fine quality foot, topdress and will have many meals but little food at eath, simultaneously how many according to soil fertility, growing way and base fertilizer, rationally topdress, mainly chased after tillering fertilizer, regulated fertilizer, fringe, granulated fertilizer, growth period duration of rice of guaranteeing supply, is to the needs of nutritive element.
5. a kind of organic rice cultivation method according to claim 1, is characterized in that described irrigation, and paddy rice is happiness water-based cereal crops, and the growth of Rational Irrigation to paddy rice has the effect be not of the common run.Plantation organic paddy rice necessarily selects the plot that water condition is good, must not water yearningly, and clean water must be taked to irrigate for the irrigation of organic paddy rice, must not use sanitary sewage, industrial wastewater fill with field, can not irrigate with well water, really can not with well water irrigate, establish sunning water pool, improve water temperature, single single filling should be accomplished simultaneously, on water layer management, based on shallow, heat with water, with the short control of water, root is supported with gas, with Gen Baoye, straw staygreen.
Concrete irrigation method is: rice transplanting is to early tillering stage Deep irrigation of turning green, and water layer 5 cm, is strictly on guard against dehydration, 2 ~ 3 centimetres of water layers after turning green, based on shallow before effective tiller, improve ground, water temperature, promotion is tillered, at the end of effective tiller, to grow prolifically plot, draining dry field immediately, 7 ~ 10 days, controls ineffective tillering, dry field degree reaches face, field and turns white, and there is crackle on ground, and ground meets personally white, leaf look moves back light straight and upright, promotes root system development.After draining dry field, take the intermittent irrigation done, wet, do, with Gen Baoye, support root and protect tiller.Later stage, as run into nighttime temperature lower than less than 17 DEG C, takes deep water to protect tire, water layer 15 cm, and this is the effective measures of defence obstruction type chilling injury.Booting stage, shallow water duty was filled with; Shallow irrigation after heading; Should stop watering to stage of yellow ripeness.By scientific and effective water starch management, promote that paddy rice early point, early seal row, reach with water control grass, to urge seedling with water, with seedling pressure grass with adjust fertile object with water.
6. a kind of organic rice cultivation method according to claim 1, is characterized in that described weeding, the weeding of organic paddy rice, because can not spray insecticide, needs the herbicidal methods using other.Specifically, the weeding of organic paddy rice plantation, except common artificial uprooting weed, also has following several comparatively feasible method.
Careless weed eradication is lured before rice transplanting.Specific practice is: what within 40 ~ 50 days before carrying out rice transplanting, just start to continue plot pours water, and makes field soil keep moistening, to bring out the growth of weeds, and reduces weeds radix, to reach the object of weed eradication by ploughing for several times; In addition, 10 ~ 15 days before rice transplanting, then adopt the method manually pulled out to pull out the weeds ploughing and carry over, particularly for the weeds at advanced age during the malignant weeds such as two fringe sparrows and paddy growth, must repeatedly manually pull out.
After rice transplanting, vegetative period with seedling pressure grass, with hydraulic pressure grass.This herbicidal methods is mainly by rational close planting, and the measures such as the quantity increasing Basic Seedling and water starch management rice shoot being carried out to science, to reach the object suppressing weed growth.
Solid growth, foster duck weeding.Adopt the method for solid growth, utilize the measure of rice-duck intergrowth to control the generation of weeds in field.Specific practice selects that build is moderate, duck kind that mobility is stronger, synchronously cultivates, suppressed the growth of weeds in rice field by the activity of duck with rice planting.In general, every mu of cultivation 10 ~ 15 ducks are comparatively suitable.
7. a kind of organic rice cultivation method according to claim 1, it is characterized in that the described extermination of disease and insect pest, the extermination of disease and insect pest is also a requisite program and the technology of Rice Cropping, common rice can carry out the control of damage by disease and insect by chemical substances such as agricultural chemicals, and can not spray insecticide for the process of damage by disease and insect aborning as pure natural, pollution-free, healthy paddy rice due to organic paddy rice, this brings difficulty with regard to giving the extermination of disease and insect pest of organic paddy rice.And need comprehensive preventive health measures be taked for the extermination of disease and insect pest between organic paddy rice planting season.
Disease control
Rice disease mainly contains bakanae disease, rice blast, banded sclerotial blight and false smut etc.Main based on cultural control in method.Specifically: by cultivating strong seedling, rational close planting, Scientific Regulation rich water, put the resistance that the paddy rice Healthy culture measures such as field control peak seedling strengthen plant in good time, improve field microclimate, alleviate the generation of disease.
Pest control
Rice grub mainly contains Lissorhoptrus oryzophilus Kuschel, rice thrips, rice fulgorid, rice leaf roller, snout moth's larva etc.Control needs adopt many kinds of measures, reduce causing harm of insect, make percent of loss control within 8%, substantially guarantee that field is without the white leaf of large area, dead ears and withered area.Specifically, following several method is mainly contained:
Cultural control: by Healthy culture, strengthens the resistance to insects of plant.
Physical control: install frequency ventilating type insecticidal lamp (about 30 mu /) trapping field phototaxis insect.The lighting time is about from the most suitable 18:30 every night after the first tenday period of a month in May.
Biological control: one is strengthen monitoring.Perfect pest forecasting system, accurately grasp insect pest situation, carry out control up to standard; Two is chemical control.Select through Organic certification mechanism accreditation biopesticide and botanical pesticide such as " BT pulvis " and 0.5% " matrine " aqueous solvent etc. prevent and treat, emphasis do a good job of it 1,2 generation snout moth's larva, 2 generation leaf-roller and 2 generation plant hopper control, with Control pests radix; Three is biological controls.Utilize the population quantity of existing natural enemy (spider, parasitic wasp, batrachia etc.) Control pests; Four is duck-raising enclosed paddy fieldses.The generation quantity of the Field Pests particularly middle and lower part insect such as plant hopper is controlled by growing rice with ducks.
Finally, after late rice harvesting, need kind of a foot to plant green manure, with fertilizing soil, reduce the input amount of fertilizer in the coming year, to reduce production cost.
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| CN105075762A (en) * | 2015-08-16 | 2015-11-25 | 常州大学 | Irrigation method for lowering concentration of chromium of rice in rice field heavily polluted by chromium |
| CN105191717A (en) * | 2015-10-29 | 2015-12-30 | 苏州市美人半岛齐力生态农产品专业合作社 | Planting method of organic rice |
| CN105393861A (en) * | 2015-10-21 | 2016-03-16 | 桂林兆丰农业投资发展有限公司 | Planting method for organic rice |
| CN105684802A (en) * | 2016-02-03 | 2016-06-22 | 杭州彬康农业科技有限公司 | Fertilizer saving and insecticide reducing method for super rice in low-temperature rainy climate |
| CN105830830A (en) * | 2016-03-25 | 2016-08-10 | 湖南五彩农业科技发展有限公司 | Cultivation method for colored late indica rice through planting and breeding based on bees, ducks and lamps |
| CN105850616A (en) * | 2016-03-24 | 2016-08-17 | 柳培健 | Field sowing method of early season rice |
| CN106069447A (en) * | 2016-06-22 | 2016-11-09 | 海南省农业科学院粮食作物研究所 | In 1 year four generation of rice breeding, quickly add for isozygotying stable method |
| CN106665209A (en) * | 2017-01-13 | 2017-05-17 | 河南苑林农业开发有限公司 | Method for controlling organic rice field weeds |
| CN106856921A (en) * | 2017-02-14 | 2017-06-20 | 中国水稻研究所 | A kind of utilization fine duckweed matches somebody with somebody the cultural method for applying regulation and control rice field nitrogen sustained release |
| CN107258413A (en) * | 2017-07-25 | 2017-10-20 | 贵州秧坝生态农业发展有限责任公司 | A kind of method that duck is put in rice cropping in a suitable place to breed |
| CN107347539A (en) * | 2017-08-15 | 2017-11-17 | 广西南宁乐蕊生物科技有限责任公司 | A kind of implantation methods of organic rice |
| CN107371933A (en) * | 2017-08-28 | 2017-11-24 | 宿松县海东家庭农场 | A kind of green rice implantation methods |
| CN108541533A (en) * | 2018-04-10 | 2018-09-18 | 贵州省水稻研究所 | A kind of organic method accurately cultivated of rice |
| CN108739166A (en) * | 2018-06-20 | 2018-11-06 | 安徽舒州农业科技有限责任公司 | A kind of implantation methods preventing Analysis of Rice Chilling Injury |
| CN109328934A (en) * | 2018-12-12 | 2019-02-15 | 怀化市共生农业***工程研究所(普通合伙) | A method of improving rice yield |
| CN109479650A (en) * | 2018-12-27 | 2019-03-19 | 青岛东域盐碱地稻作改良研究所有限公司 | A kind of salt-soda soil organic paddy rice Cultivate administration method |
| CN109744093A (en) * | 2017-08-24 | 2019-05-14 | 陆晓钟 | A kind of rice three-dimensional seedling raising cultural method |
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| CN105075762A (en) * | 2015-08-16 | 2015-11-25 | 常州大学 | Irrigation method for lowering concentration of chromium of rice in rice field heavily polluted by chromium |
| CN105393861A (en) * | 2015-10-21 | 2016-03-16 | 桂林兆丰农业投资发展有限公司 | Planting method for organic rice |
| CN105191717A (en) * | 2015-10-29 | 2015-12-30 | 苏州市美人半岛齐力生态农产品专业合作社 | Planting method of organic rice |
| CN105684802B (en) * | 2016-02-03 | 2018-03-23 | 杭州彬康农业科技有限公司 | Super hybridization rice section fertilizer subtracts the method for medicine under a kind of low temperature overcast and rainy day weather |
| CN105684802A (en) * | 2016-02-03 | 2016-06-22 | 杭州彬康农业科技有限公司 | Fertilizer saving and insecticide reducing method for super rice in low-temperature rainy climate |
| CN105850616A (en) * | 2016-03-24 | 2016-08-17 | 柳培健 | Field sowing method of early season rice |
| CN105830830A (en) * | 2016-03-25 | 2016-08-10 | 湖南五彩农业科技发展有限公司 | Cultivation method for colored late indica rice through planting and breeding based on bees, ducks and lamps |
| CN106069447A (en) * | 2016-06-22 | 2016-11-09 | 海南省农业科学院粮食作物研究所 | In 1 year four generation of rice breeding, quickly add for isozygotying stable method |
| CN106665209A (en) * | 2017-01-13 | 2017-05-17 | 河南苑林农业开发有限公司 | Method for controlling organic rice field weeds |
| CN106856921A (en) * | 2017-02-14 | 2017-06-20 | 中国水稻研究所 | A kind of utilization fine duckweed matches somebody with somebody the cultural method for applying regulation and control rice field nitrogen sustained release |
| CN106856921B (en) * | 2017-02-14 | 2020-01-14 | 中国水稻研究所 | Cultivation method for regulating and controlling slow release of nitrogen fertilizer in rice field by using combined application of duckweed |
| CN107258413A (en) * | 2017-07-25 | 2017-10-20 | 贵州秧坝生态农业发展有限责任公司 | A kind of method that duck is put in rice cropping in a suitable place to breed |
| CN107347539A (en) * | 2017-08-15 | 2017-11-17 | 广西南宁乐蕊生物科技有限责任公司 | A kind of implantation methods of organic rice |
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