CN113812321A - Rice and duck farming weeding and pest killing method - Google Patents
Rice and duck farming weeding and pest killing method Download PDFInfo
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- CN113812321A CN113812321A CN202111108637.9A CN202111108637A CN113812321A CN 113812321 A CN113812321 A CN 113812321A CN 202111108637 A CN202111108637 A CN 202111108637A CN 113812321 A CN113812321 A CN 113812321A
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- 241000272525 Anas platyrhynchos Species 0.000 title claims abstract description 163
- 235000007164 Oryza sativa Nutrition 0.000 title claims abstract description 87
- 235000009566 rice Nutrition 0.000 title claims abstract description 87
- 238000009313 farming Methods 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000009333 weeding Methods 0.000 title claims abstract description 13
- 241000607479 Yersinia pestis Species 0.000 title description 6
- 240000007594 Oryza sativa Species 0.000 title 1
- 241000209094 Oryza Species 0.000 claims abstract description 87
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 23
- 241000196324 Embryophyta Species 0.000 claims abstract description 12
- 241000272522 Anas Species 0.000 claims abstract description 10
- 230000004083 survival effect Effects 0.000 claims abstract description 8
- 239000002689 soil Substances 0.000 claims abstract description 6
- 238000002955 isolation Methods 0.000 claims abstract description 4
- 238000009395 breeding Methods 0.000 claims description 11
- 230000001488 breeding effect Effects 0.000 claims description 11
- 241000238631 Hexapoda Species 0.000 claims description 10
- 239000003337 fertilizer Substances 0.000 claims description 9
- 235000013339 cereals Nutrition 0.000 claims description 7
- 230000002349 favourable effect Effects 0.000 claims description 7
- 241000361919 Metaphire sieboldi Species 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 6
- 230000009286 beneficial effect Effects 0.000 claims description 5
- 230000003111 delayed effect Effects 0.000 claims description 5
- 201000010099 disease Diseases 0.000 claims description 5
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 claims description 5
- 239000000575 pesticide Substances 0.000 claims description 4
- 244000025254 Cannabis sativa Species 0.000 claims description 3
- 208000035240 Disease Resistance Diseases 0.000 claims description 3
- 230000029087 digestion Effects 0.000 claims description 3
- 210000003608 fece Anatomy 0.000 claims description 3
- 238000003973 irrigation Methods 0.000 claims description 3
- 230000002262 irrigation Effects 0.000 claims description 3
- 210000003205 muscle Anatomy 0.000 claims description 3
- 230000002550 fecal effect Effects 0.000 claims 1
- 239000003621 irrigation water Substances 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 235000006439 Lemna minor Nutrition 0.000 description 1
- 244000242291 Lemna paucicostata Species 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 235000013364 duck meat Nutrition 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000004009 herbicide Substances 0.000 description 1
- 239000002917 insecticide Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 239000003895 organic fertilizer Substances 0.000 description 1
- 238000006213 oxygenation reaction Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
- A01G22/20—Cereals
- A01G22/22—Rice
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G13/00—Protecting plants
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K67/00—Rearing or breeding animals, not otherwise provided for; New breeds of animals
- A01K67/02—Breeding vertebrates
Abstract
The invention relates to the technical field of rice and duck farming, in particular to a method for weeding and disinsectizing rice and duck farming, which comprises rice seedlings, duck seedlings, a combined isolation belt, a long and medium-sized greenhouse, a small-sized fixed duck shed and a planting greenhouse, and comprises the following steps: the method comprises the steps of selecting a land which is free of pollution, rich in water resources, convenient to irrigate and drain and flat in terrain as a planting field block, and irrigating and draining the planting field block into a self-forming system, wherein a long-strip medium-sized greenhouse is used as a center, duck seedlings in the region can be mobilized at any time to weed and deinsectize, the survival rate of the rice seedlings can be guaranteed after the duck seedlings are pushed for 15 days, the death rate of the duck seedlings is reduced, the smooth completion of rice and duck crop is guaranteed, in order to enable the rice and duck crop to be completed smoothly, 30% of the number of the prepared duck seedlings is supplemented, the duck seedlings caused by various factors are reduced, an irrigation water layer is suitable for enabling duck palms to reach the ground, a subsequent water layer is deepened according to the growth of the duck seedlings, the rice is planted in the soil field block, and the ducks are planted in the rice field block.
Description
Technical Field
The invention relates to the technical field of rice and duck farming, in particular to a method for weeding and killing insects by rice and duck farming.
Background
In northeast China, rice planting is rapidly developed, the rice planting belongs to a rice dominant production area nationwide, the rice dominant production area has obvious advantages in a series of related aspects such as rice planting soil, climate conditions, high and new technologies and the like, and policy support, technical support and the like of the related aspects of China on the area enable the yield and quality of rice to be rapidly developed, and the effect of protecting driving and navigating is provided for the grain yield of China.
The rice and duck co-farming technology is characterized in that ducklings which are out of shells for about 10 days are placed in a rice field all the day, weeds and pests in the rice field are eaten by utilizing the vigorous omnivory of ducks, the growth of rice is stimulated by continuous activities of the ducks, the intertillage muddy water oxygenation effect is generated, the nutrient substance circulation is promoted, and the resistance of plants is enhanced; meanwhile, the excrement of the ducks is used as a fertilizer, and on the basis of applying enough biological organic fertilizer, inorganic fertilizer and pesticide are not basically applied after the rice is transplanted; the ducks can weed, control insects, loosen soil, supply fertilizer and provide a stimulus source for rice, and the rice field provides sufficient water, a proper amount of food and places for working and inhabitation for the ducks.
In the northeast, because receive natural environment's influence, make the duck seedling among the rice duck technique be in abominable environment, the duck seedling is in the growth process, and the survival rate is not high, leads to the unable real propagation of rice duck farming technique in the northeast, causes the northeast rice planting in-process to need use weedicide and deinsectization agent, and the cost increases, and causes the pollution to the ecological environment.
Disclosure of Invention
The invention aims to provide a method for weeding and killing insects by rice and duck farming, which solves the problems in the background technology, and adopts the main principle that the survival rate of duck seedlings is greatly increased, the ducks are used for cleaning pests and weeds in a rice planting field, so that pollution-free, safe and high-quality rice and duck meat are produced in the limited ecological space of a rice field while herbicides and insecticides are not used, the income of farmers is increased, and the ecological environment is protected.
In order to achieve the purpose, the invention provides the following technical scheme:
1. a method for weeding and killing insects in rice and duck farming comprises the following steps: rice seedling, duck seedling, combination median, rectangular medium-sized big-arch shelter, small-size fixed duck house, earthworm excrement grain and planting big-arch shelter plant rice seedling on the soil breed duck seedling is bred in the rice seedling, and the step is as follows:
sl: selecting a land which is free of pollution, rich in water resource, convenient to drain and irrigate and flat in terrain as a planting field block, wherein the planting field block is a self-formed system in drainage and irrigation;
s2: the duck seedlings are selected from varieties with strong stress resistance, developed muscles, small bodies, and strong digestion and disease resistance;
s3: the earthworm dung grains are applied to the planting field block as base fertilizer, the planting field block is not polluted by water, fertilizer and pesticide applied to nearby farmlands, and the breeding environment of duck seedlings and rice seedlings is ensured;
s4: the depth of the water layer of the planting field block is suitable for the duck seedlings to step on the grass;
s5: temporary long-strip medium-sized greenhouses are built in the center of the planting field block, and duck seedlings can be recalled at any time and returned to the long-strip medium-sized greenhouses for inhabitation due to the factors of rainy days, low air temperature, large day and night temperature difference and the like during the implementation of rice and duck farming;
s6: a fence is built around the planting field block and used for preventing the duck seedlings from escaping and avoiding the duck seedlings from being subjected to external danger;
s7: a small fixed duck shed is built on the planting field block and is used as a habitat of the duck seedlings under the condition that the air temperature rises again and the weather is normal;
s8: the combined isolation belt takes a long-strip medium-sized greenhouse as a center, the purse nets are combined and alternately inserted in the surrounding field, the surrounding duck seedlings can be recalled at any time and inhabit in the long-strip medium-sized greenhouse, and the duck seedlings in the area can be mobilized at any time to weed and deinsectize according to local conditions;
s9: the time for transplanting rice seedlings and breeding duck seedlings is delayed for 15 days in the conventional transplanting time, and the effect of delaying for 15 days is as follows:
1): after 15 days, the outside temperature is obviously raised, which is beneficial to the smooth implementation of rice and duck farming;
2): after the rice seedlings are pushed back for 15 days, the rice seedlings continue to grow in the greenhouse, and the temperature in the greenhouse is favorable for the rice seedlings to be strong and have developed root systems to grow more than three tillers;
s10: the logistics guarantee of the duck seedlings ensures that the duck seedlings except for the spare duck seedlings are 30% in advance, the rice and duck farming is smoothly completed, and the interiors of the long-strip medium-sized greenhouse and the small-sized fixed duck shed are used for duck seedling training and duck seedling inhabitation, so that the survival rate of the duck seedlings is improved;
s11: the shelling time of the duck seedlings is 28 days, the duck seedlings are raised in an incubator for 7 days after being shelled, the duck seedlings are transported back to the long and medium-sized greenhouse for water testing training for 10 days after 7 days, the age of the ducks is 17 days, the total number of the duck seedlings is 45 days after the duck seedlings are incubated and the water testing training is completed, and the rice-duck farming is realized on the duck seedlings after the stocking and water testing training is completed.
Preferably, the number of the duck seedlings in the step S10 is 130% of the actual required number, wherein 30% serves as a subsequent guarantee, the breeding step is the same as the step S10, the number of the duck seedlings is guaranteed, and the situation that the smooth operation of the rice-duck cooperative work is influenced due to the fact that large-scale diseases occur to the duck seedlings is avoided.
Preferably, the rice seedlings in the step S9 have more than three tillers, so that 90% of seeds can be saved, only 8 jin of seeds are needed for seedling culture per hectare by seedling bed tillering, about 100 jin of seeds are needed for conventional seedling culture, seedling tillering is beneficial to high yield, and rice and duck joint cropping is facilitated.
Preferably, the long medium-sized greenhouse in the step S5 is provided with a plurality of entrances and exits, and the number of the entrances and exits corresponds to the number of the planting field pieces.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the pretreatment of the duck seedlings and the delayed planting of the rice seedlings in the planting greenhouse for 15 days are realized by utilizing the long-strip medium-sized greenhouse, so that the survival rates of the rice seedlings and the duck seedlings are increased, and meanwhile, the duck seedlings are recovered by utilizing the long-strip medium-sized greenhouse, so that the duck seedlings can return to the long-strip medium-sized greenhouse to inhabit at any time in severe weather, the death rate of the duck seedlings is reduced, and the rice and duck work is ensured to be carried out smoothly;
2. according to the invention, the ground fence can be used for moving the duck seedlings at any time, the duck seedlings can be allocated at any time for weeding and deinsectization according to weed pests in the planting field, and meanwhile, 30% of the duck seedlings are used as a backup, so that the number of the duck seedlings is ensured, and the situation that the large-scale diseases of the duck seedlings occur to influence the smooth operation of the rice and duck cooperative work is avoided.
Detailed Description
Technical solutions in the embodiments of the present invention will be described clearly and completely below, and the embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
The invention provides a technical scheme that:
a method for weeding and killing insects in rice and duck farming comprises the following steps: rice seedling, duck seedling, combination median, rectangular medium-sized big-arch shelter, small-size fixed duck house, earthworm excrement grain and planting big-arch shelter plant the rice seedling on the soil, breed the duck seedling in the rice seedling, the step is as follows:
sl: selecting a land which is free of pollution, rich in water resource, convenient to drain and irrigate and flat in terrain as a planting field block, wherein the planting field block is a self-formed system through drainage and irrigation;
s2: the duck seedling is a variety with strong stress resistance, developed muscles, small size, and strong digestion and disease resistance;
s3: the earthworm dung grains are used as base fertilizer for the field raising block, the field raising block is not polluted by water, fertilizer and pesticide applied to nearby farmlands, and the culture environment of the duck seedlings and the rice seedlings is ensured;
s4: the depth of the water layer of the planting field block is that the duck seedlings can step on the grass;
s5: a temporary long and medium-sized greenhouse is built in the center of the planting field block, and the duck seedlings can be recalled at any time and returned to the long and medium-sized greenhouse for inhabitation due to the factors of rainy days, low air temperature, large day and night temperature difference and the like during the implementation of rice and duck farming;
s6: a fence is built around the planting field block and is used for preventing the duck seedlings from escaping and avoiding the duck seedlings from being subjected to external danger;
s7: constructing a small fixed duck shed for the planting field block to serve as a habitat for the duck seedlings under the normal condition of the air temperature rising weather;
s8: the combined isolation belt takes the long-strip medium-sized greenhouse as the center, the purse nets are combined and alternately inserted in the surrounding field, the surrounding duck seedlings can be recalled at any time and inhabit the long-strip medium-sized greenhouse, and the duck seedlings in the area can be mobilized at any time to weed and deinsectize according to local conditions;
s9: the time for transplanting rice seedlings and breeding duck seedlings is delayed for 15 days compared with the conventional time for transplanting rice seedlings, and the effect is delayed for 15 days:
1): after 15 days, the outside temperature is obviously raised, which is beneficial to the smooth implementation of rice and duck farming;
2): after the rice seedlings are pushed back for 15 days, the rice seedlings continue to grow in the greenhouse, and the temperature in the greenhouse is favorable for the rice seedlings to be strong and have developed root systems to grow more than three tillers;
s10: the logistics of the duck seedlings is guaranteed, the duck seedlings except for the spare duck seedlings are 30% in advance, the rice and duck farming is smoothly completed, the interiors of the long medium-sized greenhouse and the small fixed duck shed are used for duck seedling training and duck seedling inhabitation, and the survival rate of the duck seedlings is improved;
s11: the shelling time of the duck seedlings is 28 days, the duck seedlings are raised in an incubator for 7 days after shelling, the duck seedlings are transported back to a long and medium-sized greenhouse for water testing training for 10 days after 7 days, the age of the duck is 17 days, the duck seedlings are incubated until the water testing training is completed for 45 days in total, and the rice-duck farming is realized on the duck seedlings after the stocking and water testing training is completed.
The number of the duck seedlings in the step S10 is 130% of the actual required number, wherein 30% serves as a follow-up guarantee, the breeding step is the same as the step S10, the number of the duck seedlings is guaranteed, and the situation that the smooth operation of the rice and duck cooperative work is influenced due to the fact that large-scale diseases occur to the duck seedlings is avoided.
The rice seedlings in the step S9 have more than three tillers, so that 90% of seeds can be saved, only 8 jin of seeds are needed for seedling in each hectare of land by seedling bed tillering, about 100 jin of seeds are needed for conventional seedling raising, the seedling tillering is favorable for high yield, and the rice and duck joint cropping is more favorable.
The long-sized greenhouse in the step S5 is provided with a plurality of entrances and exits, and the number of the entrances and exits corresponds to the number of the planting and breeding fields.
Compared with the traditional method, the method for weeding and disinsecting rice and ducks in a rice-duck combined cropping mode changes the mode that the original duck seedlings are immediately put into use after being hatched for 10 days, the duck seedlings are taken out of shells and raised in an incubator for 7 days, then are transported back for water testing training for 10 days, the duck age is 17 days, the duck age of the duck seedlings is increased, the capability of resisting severe weather of the duck seedlings is increased, meanwhile, a long-strip medium-sized greenhouse is added, the steps of pre-cultivation of the rice seedlings and adaptation of the duck seedlings are increased, the survival rate of the rice seedlings and the duck seedlings is increased, the duck seedlings can return to the inside of the long-strip medium-sized greenhouse for inhabitation at any time in severe weather, the death rate board of the duck seedlings is reduced, the work of the duck seedlings is smoothly completed, meanwhile, the duck seedlings can be adjusted at any time by using a ground fence, the duck seedlings can be adjusted at any time to weed and disinsects according to insect pests in a planting field, and at any time, and at the 30 percent of the duck seedlings are used as a reserve to ensure the number of the duck seedlings, avoids large-scale disease of the duck seedlings and influences the smooth operation of rice and duck cooperative work.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. A method for weeding and killing insects in rice and duck farming comprises the following steps: rice seedling, duck seedling, combination median, rectangular medium-sized big-arch shelter, small-size fixed duck house, earthworm fecal grain and plant the big-arch shelter, its characterized in that: planting rice seedlings on soil, and breeding duck seedlings in the rice seedlings, wherein the steps are as follows:
sl: selecting a land which is free of pollution, rich in water resource, convenient to drain and irrigate and flat in terrain as a planting field block, wherein the planting field block is a self-formed system in drainage and irrigation;
s2: the duck seedlings are selected from varieties with strong stress resistance, developed muscles, small bodies, and strong digestion and disease resistance;
s3: the earthworm dung grains are applied to the planting field block as base fertilizer, the planting field block is not polluted by water, fertilizer and pesticide applied to nearby farmlands, and the breeding environment of duck seedlings and rice seedlings is ensured;
s4: the depth of the water layer of the planting field block is suitable for the duck seedlings to step on the grass;
s5: temporary long-strip medium-sized greenhouses are built in the center of the planting field block, and duck seedlings can be recalled at any time and returned to the long-strip medium-sized greenhouses for inhabitation due to the factors of rainy days, low air temperature, large day and night temperature difference and the like during the implementation of rice and duck farming;
s6: a fence is built around the planting field block and used for preventing the duck seedlings from escaping and avoiding the duck seedlings from being subjected to external danger;
s7: a small fixed duck shed is built on the planting field block and is used as a habitat of the duck seedlings under the condition that the air temperature rises again and the weather is normal;
s8: the combined isolation belt takes a long-strip medium-sized greenhouse as a center, the purse nets are combined and alternately inserted in the surrounding field, the surrounding duck seedlings can be recalled at any time and inhabit in the long-strip medium-sized greenhouse, and the duck seedlings in the area can be mobilized at any time to weed and deinsectize according to local conditions;
s9: the time for transplanting rice seedlings and breeding duck seedlings is delayed for 15 days in the conventional transplanting time, and the effect of delaying for 15 days is as follows:
1): after 15 days, the outside temperature is obviously raised, which is beneficial to the smooth implementation of rice and duck farming;
2): after the rice seedlings are pushed back for 15 days, the rice seedlings continue to grow in the greenhouse, and the temperature in the greenhouse is favorable for the rice seedlings to be strong and have developed root systems to grow more than three tillers;
s10: the logistics guarantee of the duck seedlings ensures that the duck seedlings except for the spare duck seedlings are 30% in advance, the rice and duck farming is smoothly completed, and the interiors of the long-strip medium-sized greenhouse and the small-sized fixed duck shed are used for duck seedling training and duck seedling inhabitation, so that the survival rate of the duck seedlings is improved;
s11: the shelling time of the duck seedlings is 28 days, the duck seedlings are raised in an incubator for 7 days after being shelled, the duck seedlings are transported back to the long and medium-sized greenhouse for water testing training for 10 days after 7 days, the age of the ducks is 17 days, the total number of the duck seedlings is 45 days after the duck seedlings are incubated and the water testing training is completed, and the rice-duck farming is realized on the duck seedlings after the stocking and water testing training is completed.
2. The method for weeding and killing insects by using rice and duck together as claimed in claim 1, wherein: the number of the duck seedlings in the step S10 is 130% of the actual required number, wherein 30% serves as a subsequent guarantee, the breeding step is the same as that in the step S10, the number of the duck seedlings is guaranteed, and the situation that the smooth operation of the rice and duck cooperative work is influenced due to the fact that large-scale diseases occur to the duck seedlings is avoided.
3. The method for weeding and killing insects by using rice and duck together as claimed in claim 1, wherein: the rice seedlings in the step S9 have more than three tillers, so that 90% of seeds can be saved, only 8 jin of seeds are needed for seedling culture per hectare by seedbed tillering, about 100 jin of seeds are needed for conventional seedling culture, the seedling tillering is favorable for high yield, and the rice and duck joint cropping is more favorable.
4. The method for weeding and killing insects by using rice and duck together as claimed in claim 1, wherein: and a plurality of entrances and exits are formed in the long-strip medium-sized greenhouse in the step S5, and the number of the entrances and exits corresponds to the number of the planting and breeding blocks.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111108637.9A CN113812321A (en) | 2021-09-22 | 2021-09-22 | Rice and duck farming weeding and pest killing method |
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| CN202111108637.9A CN113812321A (en) | 2021-09-22 | 2021-09-22 | Rice and duck farming weeding and pest killing method |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105123220A (en) * | 2015-08-31 | 2015-12-09 | 江苏农林职业技术学院 | Rice-duck culture method |
| CN110663480A (en) * | 2019-11-22 | 2020-01-10 | 衡阳县蒸湛农业发展有限公司 | Method for planting rice by rice-duck farming |
| CN111296202A (en) * | 2020-03-05 | 2020-06-19 | 句容市后白镇杜氏家庭农场 | Rice-duck co-farming planting method |
| CN111903455A (en) * | 2020-08-07 | 2020-11-10 | 江西天韵农业开发股份有限公司 | Comprehensive rice and duck planting and breeding method |
-
2021
- 2021-09-22 CN CN202111108637.9A patent/CN113812321A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105123220A (en) * | 2015-08-31 | 2015-12-09 | 江苏农林职业技术学院 | Rice-duck culture method |
| CN110663480A (en) * | 2019-11-22 | 2020-01-10 | 衡阳县蒸湛农业发展有限公司 | Method for planting rice by rice-duck farming |
| CN111296202A (en) * | 2020-03-05 | 2020-06-19 | 句容市后白镇杜氏家庭农场 | Rice-duck co-farming planting method |
| CN111903455A (en) * | 2020-08-07 | 2020-11-10 | 江西天韵农业开发股份有限公司 | Comprehensive rice and duck planting and breeding method |
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Application publication date: 20211221 |
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| RJ01 | Rejection of invention patent application after publication |