CN111011307B - Direct-seeding ratoon rice and duck symbiotic breeding method - Google Patents
Direct-seeding ratoon rice and duck symbiotic breeding method Download PDFInfo
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
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- A01K67/02—Breeding vertebrates
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- 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
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Abstract
The invention relates to the technical field of agricultural production, and particularly discloses a direct-seeding ratoon rice and duck symbiotic breeding method, which comprises the following steps: selecting rice varieties and duckling varieties: selecting a rice variety with thick stems and long roots, strong lodging resistance, good rice quality and high yield, and selecting a duck variety with short growth period and good meat quality; building a duck shed: dividing the rice field into a rice cropping area and a duck shed area; planting direct-seeded rice; feeding a first batch of ducklings 13-15 days after the direct seeding rice is planted; harvesting a first batch of thrown ducks and throwing a second batch of ducklings 70-75 days after the direct seeding rice is planted until the heading stage is reached; harvesting ducks fed in the second batch and feeding ducklings in the third batch when the direct-seeded rice grows to a filling stage in 130-135 days after planting; and after harvesting early season rice, harvesting ducks fed in the third batch when the ratoon rice grows for 45 days to the filling stage. The invention not only can meet the rice and duck symbiotic requirement of the regenerated rice area in south, but also can obviously prolong the rice and duck symbiotic period and maximize the ecological and economic benefits as far as possible.
Description
Technical Field
The invention relates to the technical field of agricultural production, in particular to a direct seeding ratoon rice and duck symbiotic breeding method.
Background
The ecological duck breeding technology in the rice field is greatly popularized and applied due to the functions of increasing yield and efficiency and reducing the emission of the methane in the rice field. The traditional ecological duck breeding in the rice field is generally controlled by single-season rice and 225-plus 450 ducks fed in 1-2 batches per hectare, the breeding density can basically realize the control of weeds and plant diseases and insect pests, but the requirement of the existing rice and duck symbiosis cannot be completely met, particularly in southern rice growing areas with sufficient photo-thermal resources, the habit of harvesting single-season ratoon rice can be generated, at the moment, the rice and duck symbiosis often has a plurality of idle periods, and the economic benefit and ecological benefit advantages cannot be fully exerted.
Generally, the symbiotic period of the rice and the duck directly sowed is 15-20 days after direct sowing to 0-7 days after spike aligning. However, due to the particularity of harvesting an additional batch of ratooning rice in south, the duck body type which usually symbioses from 0-7 days after the harvest of the ratooning rice to the mature period is close to that of a mature duck, so that the duck pecks the rice ears of the ratooning rice and influences the rice yield, the defect that the rice and ducks are not symbiotic from 0-7 days after the ear alignment to the mature period is difficult to overcome in the prior art that the rice and ducks are not symbiotic, and the rice and duck symbiotic breeding technology has regional limitation.
Disclosure of Invention
The invention aims to provide a direct-seeding ratoon rice and duck symbiotic breeding method to solve the technical problem in the prior art in the process of direct-seeding ratoon rice and duck symbiotic breeding.
In order to achieve the purpose, the technical scheme of the invention is as follows: a direct seeding ratoon rice and duck symbiotic breeding method comprises the following steps:
s1, selecting rice varieties and duckling varieties: selecting a rice variety with thick stems and long roots, strong lodging resistance, good rice quality and high yield, and selecting a duck variety with short growth period and good meat quality;
s2, building a duck shed: dividing the rice field into a rice cropping area and a duck shed area for feeding, keeping warm, enjoying cool and staying at night by ducks;
s3, planting direct-seeding rice;
s4, feeding a first batch of ducklings 13-15 days after the direct-seeded rice is planted;
s5, after planting the direct-seeded rice, developing 70-75 days to the front of a heading stage, harvesting a first batch of thrown ducks, and throwing a second batch of ducklings;
s6, harvesting ducks fed in a second batch and feeding ducklings in a third batch when the ducks fed in the second batch develop to a filling stage 130-135 days after the direct-seeded rice is planted;
and S7, harvesting the third batch of thrown ducks when the ratoon rice grows for 45 days to the filling stage after the early season rice is harvested.
The principle and the beneficial effects of the technical scheme are as follows: in the technical scheme, the planting of direct-seeding rice and the harvesting of early rice belong to the existing mature technology, and are not repeated herein. The rice growing area is used for planting rice, the duck shed area is used for providing places for feeding, keeping warm, staying at night and enjoying cool for the ducks in symbiotic cultivation, the rice and duck symbiotic cultivation can achieve the biological weeding effect by utilizing the grass-eating characteristic of the ducks, and meanwhile, the biological disinsection effect can be achieved by utilizing the favorite insects of the ducks and the aquatic animals. Simultaneously, the rice is made the district and can also be for the stocking of duck and provide the place, can reduce the addition of duck fodder, improves the meat quality of duck, and in addition, the continuous activity of duck in the paddy field for water in the rice field is muddy all the time, can improve the temperature in paddy field and ground temperature, can play the effect of loosening the soil, ventilative simultaneously again, provides sufficient oxygen for the rice root, reaches the purpose that promotes rice root system growth and development. Different from the rice and duck symbiotic breeding method in the prior art, the technical scheme creatively combines the growth period of direct seeding and regeneration rice to put ducklings into a rice field in batches. Three batches of ducks of input are set up in direct seeding ratoon rice production process, not only can realize rice and duck intergrowth seamless joint, and earlier early rice and later stage ratoon rice intergrowth period after the ear of grain in addition, can harvest the preceding batch of duck that becomes, the duckling of putting in back again, the duckling size of putting in is little, can not harm the rice ear of grain, guarantees that output does not receive the influence.
Three batches of ducklings are thrown in 15 days, 75 days and 135 days after the direct seeding rice is planted, and the three batches of ducklings inhabit independently to realize the symbiosis of rice and ducks in the whole growth period of the direct seeding regeneration rice. Generally speaking, the filling period begins about 100 days after direct seeding of rice, the harvesting period begins about 150 days after direct seeding, and the harvesting period of ratoon rice begins 210 days after direct seeding, so that the rice and duck symbiotic period can reach 195 days in the direct seeding and ratoon rice planting process. The novel rice and duck symbiotic cultivation mode can meet the rice and duck symbiotic requirement of a southern regenerated rice area, obviously prolong the rice and duck symbiotic period and maximize the ecological and economic benefits as far as possible.
Further, the periphery of the rice growing area is circumferentially provided with an isolation structure for preventing ducklings from escaping.
In the technical scheme, the rice cropping zone is peripherally provided with the circle of isolation structures, so that ducks can be effectively prevented from escaping, and particularly, when ducklings are not suitable for the internal environment of the rice cropping zone, field management is facilitated.
Furthermore, the isolation structure comprises a plurality of fixing piles fixed on the ridges of the rice growing area, an isolation net is arranged between the fixing piles, and pull ropes are arranged at the upper end and the lower end of the isolation net in a penetrating mode.
In the technical scheme, the fixing piles play a role in integral fixing, can support and fix the separation net, meanwhile, the stay ropes are arranged at the upper end and the lower end of the separation net in a penetrating mode, and the top end and the bottom end of the separation net can be guaranteed to have certain support, so that effective isolation of the separation net is guaranteed.
Further, the duck shed area is arranged in a paddy field area which is close to the ridge and has high terrain.
Among this technical scheme, set up the duck shed district and can avoid in the regional rivers backward flow of rainy season duck shed district in the higher region of relief.
Furthermore, the duckling is 7-10 days old when being put, and the putting density is 225-300 per hectare.
In the technical scheme, the ducklings are not suitable to be immediately put into a rice growing area after the shells of the ducklings are broken, and the ducklings are put into the rice growing area after adaptive cultivation is carried out until the ducklings are 7-10 days old, so that the survival rate of the ducklings can be ensured, and experiments prove that the putting density is 225 plus 300 per hectare to be the proper putting density.
Further, a lifting type duck shed and a simple duck shed are arranged in the duck shed area.
In the technical scheme, the lifting duck shed is used for keeping the ducks warm and staying at night, the simple duck shed is used for temporarily feeding and cooling the ducks moving in the daytime, and the places for resting the ducks in different time periods and different areas are scientific and reasonable.
Furthermore, a flow guide ditch is arranged between the lifting type duck shed and the rice growing area.
Among this technical scheme, because the position relief that the duck shed district set up is higher, the water conservancy diversion irrigation canals and ditches can play the effect of drainage, makes things convenient for the drainage in duck shed district, and in addition, the duck excrement and urine etc. that produce in the duck shed district still can follow the water conservancy diversion irrigation canals and ditches and flow to the rice and do the district in, play the effect of supplementary fertilization, make the excrement of duck daily life can obtain effectual utilization.
Further, a trap lamp is arranged between the rice cropping area and the duck shed area.
In the technical scheme, the trap lamp can be turned on at night in the high-incidence period of rice insect pests, so that the effect of killing the insect pests can be achieved, live food can be provided for ducks, protein nutrient substances can be supplemented, and the effect of killing two birds with one stone is achieved.
Furthermore, duckweed-like aquatic weeds are thrown into the rice growing area when ducklings are thrown.
In the technical scheme, in the duckling feeding process, duckweed type waterweeds are fed in the rice growing area, so that the requirement of the ducklings on silage can be met, the ducklings can adapt to and like a new environment as soon as possible, and the good growth of the ducklings is ensured.
Further, over-and-under type duck house includes a plurality of liftable duck cages.
Among this technical scheme, through setting the duck coop into the duck cage of a plurality of liftable formulas, can realize the intensification in soil, can make things convenient for the excrement and urine in the operating personnel clearance duck cage simultaneously.
Drawings
FIG. 1 is a top view of a rice and duck symbiotic cultivation system according to an embodiment of the invention;
FIG. 2 is a front view of the lifting duck shed in the embodiment of the invention;
fig. 3 is a front view of the duck cage of fig. 2.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the device comprises a base 1, a rotating frame 2, a duck cage 3, a screen plate 4, a conveyor belt 5, an excrement collecting box 6, a collecting opening 7, a material guide plate 8, a high-pressure sprayer 9, a guide plate 10, a door 11, a trough 12, a feeding box 13, a feeding pipe 14, a telescopic rod 15, a balance plate 16, a rice growing area 17, a simple duck shed 18, a trap lamp 19, a duck shed area 20, a lifting type duck shed 21 and a guide channel 22.
When the direct seeding ratoon rice and duck symbiotic breeding method is specifically implemented, the method comprises the following steps:
s1, selecting rice varieties and duckling varieties: selecting a rice variety with thick stems and long roots, strong lodging resistance, good rice quality and high yield, and selecting a duck variety with short growth period and good meat quality;
s2, building a duck shed: as shown in fig. 1, the rice field is divided into a rice growing area 17 and a duck shed area 20 for feeding, keeping warm, enjoying cool and staying at night for ducks, a trap lamp 19 is arranged between the rice growing area 17 and the duck shed area 20, and the trap lamp 19 can be turned on at night in the high-incidence period of rice insect pests, so that the effect of killing the insect pests can be achieved, live food can be provided for the ducks, and protein nutrient substances can be supplemented, and the two purposes of killing one pest at a time; the peripheral circumference in district 17 is made to rice is equipped with the isolation structure who is used for preventing duckling escape, and isolation mechanism specifically is: the periphery of a ridge of a direct-seeding field of the rice field is encircled by a nylon net, small bamboo rods are used for piling and fixing every 2-3 meters, and the nylon net is straightened and encircled by nylon ropes at the upper part and the lower part;
the duck shed area 20 is arranged in a paddy field area which is close to ridges and has high terrain, and each 667m2The greenhouse is built by using a stainless steel frame, a lifting type duck shed 21 is arranged in the greenhouse, a simple duck shed 18 is built by using bamboo poles and straws outside the greenhouse, as shown in a combined drawing 2, the lifting type duck shed 21 comprises a base 1 fixed in a duck shed area 20, a vertical triangular support is fixedly connected to the base 1, a circular rotating frame 2 is rotatably connected to the top end of the triangular support, and a driving handle is fixed to the outer edge of the rotating frame 2. Six articulated seats are fixed with to the outer fringe circumference equipartition of swivel mount 2, all are connected with duck cage 3 through the ball pivot in the articulated seat, combine shown in fig. 3, and the middle part of ball pivot is provided with horizontal through-hole, wears to be equipped with balance plate 16 in the through-hole, and the bottom of duck cage 3 sets up to otter board 4, and duck cage 3 internal fixation has silo 12, has seted up the charge cavity on the right side wall of duck cage 3, and the charge cavity is located the top of silo 12. The duck cage 3 is rotatably connected with a door 11 through a hinge, and the door 11 is connected with the side wall of the duck cage 3A locking piece is arranged between the two parts, the locking piece in the embodiment is a locking ring respectively fixed on the side wall of the duck cage 3 and the door 11, and a locking bent column penetrates through the locking ring.
The left and right both ends of lower part of duck cage 3 all are fixed with two connecting plates just to setting up, all rotate between two connecting plates of same end and are connected with the running roller, and parallel winding has conveyer belt 5 between two running rollers, and eccentric position fixedly connected with rotating handle on the running roller.
The fixed excrement and urine collecting box 6 that is provided with in left side of swivel mount 2, the top threaded connection of excrement and urine collecting box 6 has a plurality of high pressure nozzle 9 that can spray water to excrement and urine collecting box 6 inside, and high pressure nozzle 9 all communicates on high pressure water tank, and high pressure nozzle 9 rotates with high pressure water tank's intercommunication department and is connected with the valve. The collection mouth 7 that can just right with the discharge end of conveyer belt 5 is seted up on the right side wall upper portion of excrement and urine collecting box 6, the lower part welding of collecting mouth 7 has the stock guide 8 that sets up that inclines out from left to right, the upper portion welding of collecting mouth 7 has the guide plate 10 of inwards inclining from the right side to left, the bottom of excrement and urine collecting box 6 is provided with the water conservancy diversion mouth, the intercommunication has the water conservancy diversion irrigation canals and ditches 22 between district 17 is made to water conservancy diversion mouth and rice, water conservancy diversion irrigation canals and ditches 22 passes simple and easy duck canopy, so can make the rice with partial excrement and urine together transfer in the simple and easy duck canopy 18 and make in the district 17.
The right side of swivel mount 2 is provided with the reinforced subassembly that is used for adding the fodder to silo 12, and reinforced subassembly includes charging box 13, and the charge door has been seted up on the top of charging box 13, is equipped with visual window on the right side wall of charging box 13, and the lower part intercommunication of the left side wall of charging box 13 has can be with the charge door just right filling tube 14, and the intercommunication department of charging tube 14 and charging box 13 rotates and is connected with the ooff valve. The bottom rigid coupling of charging box 13 has four vertical telescopic links 15, and telescopic link 15 in this embodiment is common electric telescopic handle 15 among the prior art.
The specific implementation process is as follows: at night, the ducks are in the duck cage 3 in turn night, and at the moment, the locking bent columns can be arranged in the side wall of the duck cage 3 and the locking ring on the door 11, so that the duck cage 3 is closed, and the ducks can be fed with feed added in the trough 12. The duck can be excreted in the period of 3 internal duck cages, and the excrement and urine of duck can be followed the mesh on otter board 4 and dropped on conveyer belt 5 of otter board 4 below to keep in on conveyer belt 5, so can guarantee the sanitation and hygiene in the duck cage 3.
Daytime, in operating personnel need throw the duck and put the rice into district 17, at this moment, but operating personnel manual rotation drive handle for swivel mount 2 clockwise rotation, swivel mount 2 can drive duck cage 3 and use the centre of a circle of swivel mount 2 as center clockwise movement rotating the in-process, and when duck cage 3 removed the bottommost of swivel mount 2, operating personnel opened 11 and emitted the duck. Then the rotating frame 2 is continuously rotated, so that the next duck cage 3 continuously moves to the bottommost end of the rotating frame 2, and ducks in the next duck cage 3 are discharged. In this in-process, after the duck in the duck cage 3 is emitted, it is just right to time with the collection mouth 7 of excrement and urine collecting box 6 at the discharge end of conveyer belt 5 of duck cage 3 below to continue clockwise moving at duck cage 3, the rotatable rotatory handle of operating personnel, rotatory handle drives the running roller and rotates, and then drive conveyer belt 5 and convey excrement and urine from the right side left, when excrement and urine is conveyed the discharge end of conveyer belt 5, excrement and urine can fall down in excrement and urine collecting box 6 under the effect of self gravity, baffle 8 has the effect of direction this moment, can avoid excrement and urine to fall the outside of excrement and urine collecting box 6, can guarantee the health clean and tidy of duck shed. An operator only needs to drive the conveying belt 5 to rotate, so that automatic cleaning and automatic fixed-point collection of excrement can be realized, and the workload is reduced. Then continue to rotate swivel mount 2 to clear up and retrieve the excrement and urine on the next conveyer belt 5, when rotating swivel mount 2, rocking about duck cage 3 probably takes place, and the both ends can support duck cage 3 respectively about 16 of balancing plate this moment, control its range of rocking, guarantee the relative stationarity that duck cage 3 removed.
When a certain amount of excrement is collected in the excrement collecting box 6, part of excrement can be adhered to the inner wall of the excrement collecting box 6, at the moment, an operator can open the high-pressure nozzle 9 to spray high-pressure water into the excrement collecting box 6, on one hand, the effect of cleaning the inner wall of the excrement collecting box 6 can be achieved, on the other hand, the water sprayed out by the high-pressure nozzle 9 can also flush the excrement, so that the excrement and the water fall to the bottom of the excrement collecting box 6 together, and then the excrement and the water are quickly transferred to the rice working area 17 through the diversion ditch 22 to be fertilized. At the in-process of spraying the water under high pressure, the water under high pressure by 9 spun water under high pressure of high pressure shower nozzle can be the umbelliform and is scattering outward injection all around, and guide plate 10 on collecting port 7 upper portion has the effect that blocks to the water that sprays out for in the excrement and urine collecting box 6 is fallen down to the inside wall that guide plate 10 can be followed to the water under high pressure, avoid it to spatter outside collecting box from collecting port 7, not only avoided the waste of water resource, but also avoid the excrement and urine to spatter outward and guarantee the health around the duck shed.
When the duck cage 3 after having cleared up excrement and urine rotates the charge cavity on the duck cage 3 and is just to the time with the filling tube 14 of filling box 13, operating personnel can open the ooff valve for fodder in the filling box 13 falls to silo 12 along filling tube 14 in, realizes automatic material conveying, and the setting of visual window can make things convenient for operating personnel to survey the fodder surplus in the filling box 13 at any time, so that timely to supply fodder in the filling box 13. When the feed box 13 needs to be supplemented with feed, the telescopic rod 15 is controlled to contract, so that the height of the feed box 13 can be reduced, and the feed can be supplemented and added conveniently;
s3, planting direct-seeding rice;
s4, throwing the first batch of ducklings 15 days after the direct seeding rice is planted, wherein the ducklings are 7-10 days old when being thrown, the throwing density is 225 plus 300 per hectare, and when the ducklings are thrown, duckweed aquatic weeds are thrown into the rice growing area 17, so that the requirement of the ducklings on silage can be met, the ducklings can adapt to and like a new environment as soon as possible, and the good growth vigor of the ducklings is ensured;
s5, after the direct-seeded rice is planted and grows to the front of the heading stage 75 days later, harvesting a first batch of thrown ducks and throwing a second batch of ducklings;
s6, when the duck grows to a filling stage 135 days after the direct seeding rice is planted, harvesting a second batch of the duck, and feeding a third batch of ducklings;
and S7, harvesting the third batch of thrown ducks when the ratoon rice grows for 45 days to the filling stage after the early season rice is harvested.
The direct-seeding rice and duck symbiotic breeding mode comprises a rice growing area 17 and a duck shed area 20 which are properly constructed, so that the duck shed is light, simple and applicable as far as possible, the field area is reduced, the light-temperature conditions are fully utilized, the living space, the rest space and the field feed of three batches of ducks in the rice field are met, and the duck breeding is fully utilized to realize the ecological control and control of rice.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, the duck breeding density in a unit rice field is obviously improved by batch feeding, and the duck breeding density is from 225-300 per hectare to 675-900 per hectare conventionally.
Three batches of ducklings are thrown in 15 days, 75 days and 135 days after the direct seeding rice is planted, and the three batches of ducklings inhabit independently to realize the symbiosis of rice and ducks in the whole growth period of the direct seeding regeneration rice. Generally speaking, the filling period begins about 100 days after direct seeding of rice, the harvesting period begins about 150 days after direct seeding, and the harvesting period of ratoon rice begins 210 days after direct seeding, so that the rice and duck symbiotic period can reach 195 days in the direct seeding and ratoon rice planting process.
Comparative example 1
The method adopts the prior art to put ducklings in a single batch for rice and duck symbiotic cultivation.
By carrying out the economic benefit accounting on the rice and duck symbiotic system of the invention of the embodiment and the conventional rice and duck symbiotic system of the comparative example, the results are as follows:
TABLE 1
TABLE 2
As can be seen from the above table, the income per hectare is increased from 8444 yuan of the conventional single-season rice and duck system to 14869 yuan, and the income is increased by 6425 yuan/hm on the same scale after the invention is adopted2The income of farmers is obviously improved.
The foregoing is merely an example of the present invention and common general knowledge in the art of designing and/or characterizing particular aspects and/or features is not described in any greater detail herein. It should be noted that, for those skilled in the art, without departing from the technical solution of the present invention, several variations and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (7)
1. A direct seeding ratoon rice and duck symbiotic breeding method is characterized by comprising the following steps:
s1, selecting rice varieties and duckling varieties: selecting a rice variety with thick stems and long roots, strong lodging resistance, good rice quality and high yield, and selecting a duck variety with short growth period and good meat quality;
s2, building a duck shed: dividing the rice field into a rice cropping area and a duck shed area for feeding, keeping warm, enjoying cool and staying at night by ducks; the duck shed comprises a duck shed area, a lifting duck shed and a simple duck shed are arranged in the duck shed area, the lifting duck shed comprises a base fixed in the duck shed area, a vertical triangular support is fixedly connected to the base, the top end of the triangular support is rotatably connected with a circular rotating frame, a driving handle is fixed to the outer edge of the rotating frame, six hinge seats are uniformly distributed and fixed to the outer edge of the rotating frame in the circumferential direction, and duck cages are connected to the hinge seats through spherical hinges; a transverse through hole is formed in the middle of the spherical hinge, a balance plate penetrates through the through hole, a screen plate is arranged at the bottom of the duck cage, two connecting plates which are oppositely arranged are fixed at the left end and the right end of the lower part of the duck cage, a roller is rotatably connected between the two connecting plates at the same end, a conveying belt is wound between the two rollers in parallel, and a rotating handle is fixedly connected to the eccentric position of the roller; the left side of the rotating frame is fixedly provided with a feces collecting box, the top of the feces collecting box is in threaded connection with a plurality of high-pressure nozzles capable of spraying water to the interior of the feces collecting box, the high-pressure nozzles are all communicated on a high-pressure water tank, and a valve is rotatably connected at the communication part of the high-pressure nozzles and the high-pressure water tank; the upper part of the right side wall of the excrement collecting box is provided with a collecting port which can be just opposite to the discharge end of the conveyor belt, the lower part of the collecting port is welded with a guide plate which is obliquely arranged outwards from left to right, the upper part of the collecting port is welded with a guide plate which is obliquely inwards from right to left, and the bottom of the excrement collecting box is provided with a guide port; in the evening, ducks are put in the duck cages in batches at night; in the daytime, ducks need to be thrown into the rice growing area, the driving handle is manually rotated to enable the rotating frame to rotate clockwise, the rotating frame can drive the duck cages to move clockwise by taking the circle center of the rotating frame as the center in the rotating process, and when the duck cages move to the lowest end of the rotating frame, the opening door is opened to release the ducks; then, the rotating frame is continuously rotated, so that the next duck cage continuously moves to the bottommost end of the rotating frame, and ducks in the next duck cage are discharged;
s3, planting direct-seeding rice;
s4, feeding a first batch of ducklings 13-15 days after the direct-seeded rice is planted;
s5, after planting the direct-seeded rice, developing 70-75 days to the front of a heading stage, harvesting a first batch of thrown ducks, and throwing a second batch of ducklings;
s6, harvesting ducks fed in a second batch and feeding ducklings in a third batch when the ducks fed in the second batch develop to a filling stage 130-135 days after the direct-seeded rice is planted;
and S7, harvesting the third batch of thrown ducks when the ratoon rice grows for 45 days to the filling stage after the early season rice is harvested.
2. The method for co-farming direct seeding ratoon rice and ducks according to claim 1, wherein the method comprises the following steps: and an isolation structure for preventing ducklings from escaping is arranged on the periphery of the rice growing area in the circumferential direction.
3. The method for co-farming direct seeding ratoon rice and ducks according to claim 2, wherein the method comprises the following steps: the isolation structure comprises a plurality of fixing piles fixed on the ridge of the rice growing area, an isolation net is arranged between the fixing piles, and pull ropes are arranged at the upper end and the lower end of the isolation net in a penetrating mode.
4. The co-culture method of the direct seeding ratoon rice and the ducks as claimed in claim 3, wherein the method comprises the following steps: the duck shed area is arranged in a rice field area which is close to ridges and high in terrain.
5. The method for co-farming direct seeding ratoon rice and ducks according to claim 4, wherein the method comprises the following steps: the duckling is 7-10 days old when being put, and the putting density is 225-.
6. The method for co-farming direct seeding ratoon rice and ducks according to claim 5, wherein the method comprises the following steps: a flow guide ditch is arranged between the lifting type duck shed and the rice growing area.
7. The method for co-farming direct seeding ratoon rice and ducks according to claim 6, wherein the method comprises the following steps: and a trap lamp is arranged between the rice cropping area and the duck shed area.
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