CN109588239A - A kind of multiple rice regeneration rice breeding method - Google Patents
A kind of multiple rice regeneration rice breeding method Download PDFInfo
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- CN109588239A CN109588239A CN201811642135.2A CN201811642135A CN109588239A CN 109588239 A CN109588239 A CN 109588239A CN 201811642135 A CN201811642135 A CN 201811642135A CN 109588239 A CN109588239 A CN 109588239A
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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
- A01G22/20—Cereals
- A01G22/22—Rice
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C21/00—Methods of fertilising, sowing or planting
- A01C21/005—Following a specific plan, e.g. pattern
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Abstract
The invention discloses a kind of multiple regenerated breeding methods of ratooning rice, and multiple breeding is regenerated for ratooning rice, includes the following steps: the selection of S1. field；S2. the acquisition and cultivation of target rice stub, S3. cultivate ratooning rice again, and S4. is to the cultivation of second and third or even n-th ratooning rice: repeating S2, S3 step, harvest multiple ratooning rice.The present invention passes through special field management method, promote the resting bud in Culm of Rice to emerge and grows into rice seedling, key be ensure that this large amount of rice seedling genotype is consistent, and then guarantee seedling institute solid seed genotype it is also consistent, if be applied to seed production it is significant.It rice regeneration rice is repeatedly carried out to ratooning rice cultivates to apply in seed expanding propagation that benefit is evident in the present invention, go out several times of the conventional method seeds to decades of times using a certain amount of original seed expanding propagation, meet production requirement.
Description
Technical field
The present invention relates to Rice Cropping technical field, the multiple regenerated breeding method of specifically a kind of ratooning rice.
Background technique
Rice regeneration rice refers to using certain cultivation management measure, sprouts the resting bud in stalk after rice harvesting
Grow into a kind of method of fringe.Ratooning rice have do not need again seeding and seedling raising, to save kind of a saving of labor, breeding time short and profitable etc.
Advantage is of great significance for agricultural production.
Ratooning rice be south China rice region plantation one season rice heat have a surplus and plant the two insufficient areas of season rice heat
And double rice cropping system only plant one season semilate rice rice field effectively improve multiple crop index, autumn Wen Guang and rice field resource utilization, increase rice
One of the effective measures of paddy per unit area yield and kind rice benefit.But current ratooning rice is limited to directly to utilize the high-order bud of rice stub again in field more
Raw, the characters such as plant height, tiller, spike length, Number of kernels of the ratooning rice directly grown from rice stub have centainly compared with first rice crop
The downslide of degree causes average unit yield not high, and yield is unstable.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of multiple regenerated breeding method of ratooning rice,
SOUTHERN OF HAINAN can rice cultivation all the year round area, recycle the power of regeneration of low level resting bud in rice stub repeatedly to cultivate
Ratooning rice elongates the breeding time of ratooning rice to solve the too low and unstable technical problem of high-order shoot regeneration rice yield, and big
Your amplitude improves the To yield of ratooning crop of same field.
The purpose of the present invention is achieved through the following technical solutions: a kind of multiple regenerated breeding method of ratooning rice,
The breeding method is used for the breeding of multiple ratooning rice, includes the following steps:
S1. the selection of field, the field, which is selected, not to be damaged to plants caused by sudden drop in temperature and/or can the field flooded of typhoon protection heavy rain；
S2. the acquisition and cultivation of target rice stub, i.e., to the rice varieties for needing to expand seminal propagation,
Selection first rice crop grows fine and the rice field of no disease and pests harm carries out cultivation early period of ratooning rice, and leaving and taking height is 5-10 lis
The rice stub of rice；
S3. ratooning rice is cultivated；
S4. to the cultivation of second and third or even n-th ratooning rice: repeating S2, S3 step, harvest multiple ratooning rice.
Utilize the low level resting bud seedling of rice rice stub, it is ensured that ratooning rice growth period is than utilizing high-order common ratooning rice
To guarantee that regeneration fringe is big and spike number is more, yield has guaranteed within length 10 days or more；Low level bud can be repeatedly using overcoming high-order bud
The shortcomings that ratooning rice can not repeatedly utilize.
Preferably, in the S1, the average annual temperature in the field selection SOUTHERN OF HAINAN area up to 25 degree of area, arrange by water source
Fill convenient, the field that energy typhoon protection heavy rain floods.
Preferably, in the S1, selected field also be can choose in most of South China rice region, when temperature is lower than 17 degree
Heating measure using greenhouse technology etc. ensures rice stub energy normal growth and will not be damaged to plants caused by sudden drop in temperature.
Preferably, in the S2, after determination needs to expand the rice varieties of seminal propagation, to the head season for determining kind
Rice, which is gathered in first 15 days, spreads fertilizer over the fields urea and drains water in field naturally, gathers in first rice crop when ten layers ripe, and leave rice stub.Utilize rice stem
There are resting bud in stalk, the growth to bud is applied to it with after depositing into the nitrogenous fertilizer of effect, resting bud can quickly emerge, suspend mode
The rice shoot and upper season rice genotype having the same that bud is grown, though it can guarantee to obtain through multiple resting bud seedling
The consistent seedling of rice genetic type, guarantee solid seed genotype it is consistent, can be used as a seed production methods.
Preferably, in the S2, first rice crop, which gathers in, spreads fertilizer over the fields 15-25 kgs/acre of urea for first 15 days, or carries out blade face and chase after
Fertilizer;It sprays " 920 " within 5 days before rice harvesting, 2 grams of dosage " 920 " and is watered 50 kilograms per acre.
Preferably, in the S2, when gathering in first rice crop or head season ratooning rice, stayed rice stub height is no more than 10 centimetres.
To avoid high-order bud seedling.
Preferably, in the S3,920, tricyclazole, dimehypo, Hostathion and pyrrole aphid are sprayed within 5 days after first rice crop is cut
Ketone mixed liquor is primary, and applies 15-20 kgs/acre of seed manure.5 days application seed manure and the prevention and control of plant diseases, pest control, can protect after rice harvesting
Hinder fertilizer and normal plants needed for this season ratooning rice grows.
Preferably, in the S3, it is primary that regeneration budding fertilizer urea is applied in regeneration for fringe Qi Suihou 15 days, ten layers of ratooning rice it is ripe when
Harvest first time ratooning rice.Key in addition to the nitrogenous fertilizer needed for guarantee this season of 15 days application urea after Rice Flowering is available to rice
Resting bud nutrient on stem ensures that resting bud is survived and developed in advance, so that regrowth is rapid-result fastly after guaranteeing first rice crop harvesting
It is long.
Preferably, in the S3, described 920, love seedling, tricyclazole, Hostathion and pymetrozine, dosage are respectively 24
Gram/acre, 45 ml/ mus, 70-100g/ mus, 150-200ml/ mus and 20g/ mus, and sprayed after being watered 45-50kg；The seed manure is answered
For the mixture of 15 kilograms of ternary compound fertilizer and 10-15 kilograms of urea, the effective percentage composition of N P and K in the ternary compound fertilizer
For N:P2O5:K2OH=15:15:15.
Preferably, the ratooning rice breeding method, which further comprises multiple ratooning rice and cultivates big Tanaka, fills the gaps with seedlings principle, i.e. Tanaka
Individual rice stubs are dead because having part rice stub when multiple ratooning rice is cultivated, need dead rice stub after ratooning rice harvesting after 10 days
The more prosperous rice stub of hair seedling on side separates half and reseeds on the position of dead rice stub, guarantees that the basic rice stub number in full field is constant；
And first rice crop should be planted when missing seedling rate reaches 20% or more when field again, no longer cultivates ratooning rice again with ratooning rice.
The beneficial effects of the present invention are:
1. the present invention by special field management method, promotes the resting bud in Culm of Rice to emerge and grows into rice children
Seedling, it is important to ensure that this large amount of rice seedling genotype is consistent.
Apply in seed expanding propagation that benefit is evident 2. rice regeneration rice repeatedly to be carried out to ratooning rice in the present invention and is cultivated,
Go out several times of the conventional method seeds to decades of times using a certain amount of original seed expanding propagation, meets production requirement.
3. regeneration rice seedling growth stage of the invention 10 days longer than conventional regeneration rice or more, keep To yield of ratooning crop higher and
Stablize.Take full advantage of the heat resources in Hainan.
4. the present invention can be in the rice region application other than SOUTHERN OF HAINAN using greenhouse heating technology.
Specific embodiment
Technical solution of the present invention is described in further detail below with reference to embodiment, but protection scope of the present invention is not limited to
In as described below.
Implement 1
Repeatedly regenerated breeding method, the breeding method are used for the breeding of multiple ratooning rice for a kind of ratooning rice, including walk as follows
It is rapid:
S1. the selection of field, the field, which is selected, not to be damaged to plants caused by sudden drop in temperature and/or can the field flooded of typhoon protection heavy rain；Example selection Hainan
For the average annual temperature in southern areas up to 25 degree of area, water source irrigation and drainage are convenient, the field that energy typhoon protection heavy rain floods, or selection is big
Part South China rice region, when temperature is lower than 17 degree using greenhouse technology etc. heat measure ensure rice stub energy normal growth and will not
It is damaged to plants caused by sudden drop in temperature.
S2. the acquisition and cultivation of target rice stub, i.e., to the rice varieties for needing to expand seminal propagation, selection grow fine and
The first rice crop of no disease and pests harm, which gathers in first 15 days, to be spread fertilizer over the fields 15 kgs/acre of urea and drains water in field naturally, the harvesting head when ten layers ripe
Season rice, and leave 5 centimetres of high rice stubs, when spreading fertilizer over the fields urea, also may be selected to carry out foliage spray；Further object rice stub is cultivated
Mode is to spray " 920 " in 5 days before rice harvesting, 2 grams of dosage " 920 " and is watered 50 kilograms per acre.
S3. ratooning rice is cultivated；5 days after first rice crop is cut, 2 gram/acre 920,70- are sprayed after being watered 45kg
100g/ mus of tricyclazoles, 45 ml/ mus of dimehypo, 150-200ml/ mus of Hostathion and 20g/ mus of pymetrozine mixed liquor one
It is secondary, and seed manure is applied, seed manure should be the mixture of 15 kgs/acre of ternary compound fertilizer and 10 kgs/acre of urea, the tri compound
The effective percentage composition of N P and K is N:P2O5:K2OH=15:15:15 in fertilizer；It is public that regeneration budding fertilizer 15 is applied in regeneration for fringe Qi Suihou 15 days
Pound/acre urea it is primary, ten layers of ratooning rice it is ripe when harvest first time ratooning rice；
S4. the cultivation to second of ratooning rice: after having cultivated first time ratooning rice, harvesting spread fertilizer over the fields within first 15 days 15 kilograms of urea/
Mu simultaneously drains water in field naturally, gathers in first rice crop when ten layers ripe, and leave 5 centimetres of high rice stubs, when spreading fertilizer over the fields urea, also may be selected
Carry out foliage spray；Further object rice stub type of rearing is to spray " 920 " in 5 days before rice harvesting, per acre dosage 2
Gram " 920 " and it is watered 50 kilograms；5 days after ratooning rice is cut in first time, 4 gram/acre 920,70- are sprayed after being watered 45kg
100g/ mus of tricyclazoles, 45 ml/ mus of dimehypo, 150-200ml/ mus of Hostathion and 20g/ mus of pymetrozine mixed liquor one
It is secondary, and apply 15 kgs/acre of seed manure, seed manure should be the mixture of 15 kilograms of ternary compound fertilizer and 10 kilograms of urea, the ternary
The effective percentage composition of N P and K is N:P2O5:K2OH=15:15:15 in compound fertilizer, and regeneration applies regeneration budding fertilizer in fringe Qi Suihou 15 days
Urea is primary, and ten layers of ratooning rice harvest second of ratooning rice when ripe.
Then the cultivation of third time ratooning rice is carried out again, is recycled S2, S3 step, is finally obtained n-th ratooning rice.
Embodiment 2
Repeatedly regenerated breeding method, the breeding method are used for the breeding of multiple ratooning rice for a kind of ratooning rice, including walk as follows
It is rapid:
S1. the selection of field, the field, which is selected, not to be damaged to plants caused by sudden drop in temperature and/or can the field flooded of typhoon protection heavy rain；Example selection Hainan
For the average annual temperature in southern areas up to 25 degree of area, water source irrigation and drainage are convenient, the field that energy typhoon protection heavy rain floods, or selection is big
Part South China rice region, when temperature is lower than 17 degree using greenhouse technology etc. heat measure ensure rice stub energy normal growth and will not
It is damaged to plants caused by sudden drop in temperature.
S2. the acquisition and cultivation of target rice stub, i.e., to the rice varieties for needing to expand seminal propagation, selection grow fine and
The first rice crop of no disease and pests harm, which gathers in first 15 days, to be spread fertilizer over the fields 20 kgs/acre of urea and drains water in field naturally, the harvesting head when ten layers ripe
Season rice, and leave 8 centimetres of high rice stubs, when spreading fertilizer over the fields urea, also may be selected to carry out foliage spray；Further object rice stub is cultivated
Mode is to spray " 920 " in 5 days before rice harvesting, 2 grams of dosage " 920 " and is watered 50 kilograms per acre.
S3. ratooning rice is cultivated；5 days after first rice crop is cut, 2 gram/acre 920,70- are sprayed after being watered 45kg
100g/ mus of tricyclazoles, 45 ml/ mus of dimehypo, 150-200ml/ mus of Hostathion and 20g/ mus of pymetrozine mixed liquor one
It is secondary, and apply with seed manure, seed manure should be the mixture of 15 kgs/acre of ternary compound fertilizer and 12 kgs/acre of urea, the ternary
The effective percentage composition of N P and K is N:P2O5:K2OH=15:15:15 in compound fertilizer；Regeneration applies regeneration budding fertilizer in fringe Qi Suihou 15 days
15 kgs/acre of urea is primary, and ten layers of ratooning rice harvest first time ratooning rice when ripe；
S4. the cultivation to second of ratooning rice: after having cultivated first time ratooning rice, harvesting spread fertilizer over the fields within first 15 days 20 kilograms of urea/
Mu simultaneously drains water in field naturally, gathers in first rice crop when ten layers ripe, and leave 8 centimetres of high rice stubs, when spreading fertilizer over the fields urea, also may be selected
Carry out foliage spray；Further object rice stub type of rearing is to spray " 920 " in 5 days before rice harvesting, per acre dosage 2
Gram " 920 " and it is watered 50 kilograms；5 days after ratooning rice is cut in first time, 2 gram/acre 920,70- are sprayed after being watered 45kg
100g/ mus of tricyclazoles, 45 ml/ mus of dimehypo, 150-200ml/ mus of Hostathion and 20g/ mus of pymetrozine mixed liquor one
It is secondary, and seed manure is applied, seed manure should be the mixture of 1515 kgs/acre of ternary compound fertilizer and 12 kilograms of urea, the tri compound
The effective percentage composition of N P and K is N:P2O5:K2OH=15:15:15 in fertilizer, and it is public that regeneration budding fertilizer 15 is applied in regeneration for fringe Qi Suihou 15 days
Pound/acre urea it is primary, ten layers of ratooning rice harvest second of ratooning rice when ripe.
Then the cultivation of third time ratooning rice is carried out again, is recycled S2, S3 step, is finally obtained n-th ratooning rice.
Embodiment 3
Repeatedly regenerated breeding method, the breeding method are used for the breeding of multiple ratooning rice for a kind of ratooning rice, including walk as follows
It is rapid:
S1. the selection of field, the field, which is selected, not to be damaged to plants caused by sudden drop in temperature and/or can the field flooded of typhoon protection heavy rain；Example selection Hainan
For the average annual temperature in southern areas up to 25 degree of area, water source irrigation and drainage are convenient, the field that energy typhoon protection heavy rain floods, or selection is big
Part South China rice region, when temperature is lower than 17 degree using greenhouse technology etc. heat measure ensure rice stub energy normal growth and will not
It is damaged to plants caused by sudden drop in temperature.
S2. the acquisition and cultivation of target rice stub, i.e., to the rice varieties for needing to expand seminal propagation, selection grow fine and
The first rice crop of no disease and pests harm, which gathers in first 15 days, to be spread fertilizer over the fields 25 kgs/acre of urea and drains water in field naturally, the harvesting head when ten layers ripe
Season rice, and leave 10 centimetres of high rice stubs, when spreading fertilizer over the fields urea, also may be selected to carry out foliage spray；The training of further object rice stub
The mode of educating is to spray " 920 " in 5 days before rice harvesting, 2 grams of dosage " 920 " and is watered 50 kilograms per acre.
S3. ratooning rice is cultivated；5 days after first rice crop is cut, 2 gram/acre 920,70- are sprayed after being watered 45kg
100g/ mus of tricyclazoles, 45 ml/ mus of dimehypo, 150-200ml/ mus of Hostathion and 20g/ mus of pymetrozine mixed liquor one
It is secondary, and seed manure is applied, seed manure should be the mixture of 15 kgs/acre of ternary compound fertilizer and 15 kilograms of urea, the ternary compound fertilizer
The middle effective percentage composition of N P and K is N:P2O5:K2OH=15:15:15；It is public that regeneration budding fertilizer 15 is applied in regeneration for fringe Qi Suihou 15 days
Pound/acre urea is primary, and ten layers of ratooning rice harvest first time ratooning rice when ripe；
S4. the cultivation to second of ratooning rice: after having cultivated first time ratooning rice, harvesting spread fertilizer over the fields within first 15 days 25 kilograms of urea/
Mu simultaneously drains water in field naturally, gathers in first rice crop when ten layers ripe, and leave 10 centimetres of high rice stubs, also optional when spreading fertilizer over the fields urea
Select carry out foliage spray；Further object rice stub type of rearing is to spray " 920 " in 5 days before rice harvesting, per acre dosage
2 grams " 920 " are simultaneously watered 50 kilograms；5 days after ratooning rice is cut in first time, 2 gram/acre 920,70- are sprayed after being watered 45kg
100g/ mus of tricyclazoles, 45 ml/ mus of dimehypo, 150-200ml/ mus of Hostathion and 20g/ mus of pymetrozine mixed liquor one
It is secondary, and seed manure is applied, seed manure should be the mixture of 15 kgs/acre of ternary compound fertilizer and 15 kilograms of urea, the ternary compound fertilizer
The middle effective percentage composition of N P and K is N:P2O5:K2OH=15:15:15, and 15 kilograms of budding fertilizer of regeneration is applied in regeneration for fringe Qi Suihou 15 days
/ mu urea is primary, and ten layers of ratooning rice harvest second of ratooning rice when ripe.
Then the cultivation of third time ratooning rice is carried out again, is recycled S2, S3 step, is finally obtained n-th ratooning rice.
Rice regeneration rice breeding method in above-described embodiment 1,2,3, which all follows ratooning rice, to be cultivated big Tanaka and fills the gaps with seedlings principle,
I.e. the individual rice stubs of Tanaka are dead because having part rice stub when multiple ratooning rice is cultivated, and needing will be dead after 10 days after ratooning rice is gathered in
It dies the more prosperous rice stub of hair seedling beside rice stub and separates half and reseed on the position of dead rice stub, guarantee the basic rice stub number in full field
It is constant；And first rice crop should be planted when missing seedling rate reaches 20% or more when field again, no longer cultivates ratooning rice again with ratooning rice.
The above is only a preferred embodiment of the present invention, it should be understood that the present invention is not limited to described herein
Form should not be regarded as an exclusion of other examples, and can be used for other combinations, modifications, and environments, and can be at this
In the text contemplated scope, modifications can be made through the above teachings or related fields of technology or knowledge.And those skilled in the art institute into
Capable modifications and changes do not depart from the spirit and scope of the present invention, then all should be in the protection scope of appended claims of the present invention
It is interior.
Claims (10)
1. a kind of multiple regenerated breeding method of ratooning rice, it is characterised in that: the breeding method is multiple for ratooning rice regeneration
Breeding, include the following steps:
S1. the selection of field, the field, which is selected, not to be damaged to plants caused by sudden drop in temperature and/or can the field flooded of typhoon protection heavy rain；
S2. the acquisition and cultivation of target rice stub selects first rice crop to grow fine that is, to the rice varieties for needing to expand seminal propagation
And the rice field of no disease and pests harm carries out cultivation early period of ratooning rice, and leaves and takes the rice stub that height is 5-10 centimetres；
S3. ratooning rice is cultivated；
S4. to the cultivation of second and third or even n-th ratooning rice: repeating S2, S3 step, harvest multiple ratooning rice.
2. a kind of multiple regenerated breeding method of ratooning rice according to claim 1, it is characterised in that: in the S1,
The average annual temperature in the field selection SOUTHERN OF HAINAN area is up to 25 degree of area, and water source irrigation and drainage are convenient, and energy typhoon protection heavy rain floods
Field.
3. a kind of multiple regenerated breeding method of ratooning rice according to claim 1, it is characterised in that: in the S1,
Selected field also can choose in most of South China rice region, heat measure using greenhouse technology etc. when temperature is lower than 17 degree
Ensure rice stub energy normal growth and will not be damaged to plants caused by sudden drop in temperature.
4. a kind of multiple regenerated breeding method of ratooning rice according to claim 1, it is characterised in that: in the S2,
After determining and needing to expand the rice varieties of seminal propagation, the first rice crop for determining kind is gathered in and spreads fertilizer over the fields within first 15 days urea and natural
Water in field is drained, gathers in first rice crop when ten layers ripe, and leave rice stub.
5. a kind of multiple regenerated breeding method of ratooning rice according to claim 4, it is characterised in that: in the S2,
First rice crop, which gathers in, spreads fertilizer over the fields 15-25 kgs/acre of urea for first 15 days, or carries out foliage spray;In the S2,5 days before rice harvesting
" 920 " are sprayed, 2 grams of dosage " 920 " and are watered 50 kilograms per acre.
6. a kind of multiple regenerated breeding method of ratooning rice according to claim 1 or 4, it is characterised in that: in the S2
In, when gathering in first rice crop or head season ratooning rice, stayed rice stub height is no more than 10 centimetres.
7. a kind of multiple regenerated breeding method of ratooning rice according to claim 1, it is characterised in that: in the S3,
It is primary to spray 920, tricyclazole, dimehypo, Hostathion and pymetrozine mixed liquor within 5 days after first rice crop is cut, and applies seed manure
15-20 kgs/acre.
8. a kind of multiple regenerated breeding method of ratooning rice according to claim 7, it is characterised in that: in the S3,
Regeneration applies that regeneration budding fertilizer urea is primary, and ten layers of ratooning rice harvest first time ratooning rice when ripe for fringe Qi Suihou 15 days.
9. a kind of multiple regenerated breeding method of ratooning rice according to claim 7, it is characterised in that: in the S3,
Described 920, like seedling, tricyclazole, Hostathion and pymetrozine, dosage is respectively 2 grams/acre, 45 ml/ mus, 70-100g/ mus,
150-200ml/ mus and 20g/ mus, and sprayed after being watered 45-50kg；The seed manure should be 15 kgs/acre of ternary compound fertilizer and 10-
The mixture of 15 kilograms of urea, the effective percentage composition of N P and K is N:P2O5:K2OH=15:15:15 in the ternary compound fertilizer.
10. a kind of multiple regenerated breeding method of ratooning rice according to claim 1, it is characterised in that: the ratooning rice
Breeding method, which further comprises multiple ratooning rice, to be cultivated big Tanaka and fills the gaps with seedlings principle, i.e., when the individual rice stubs of Tanaka are cultivated because of multiple ratooning rice
It is dead to have part rice stub, needs that the more prosperous rice stub of hair seedling beside dead rice stub is separated one after 10 days after ratooning rice is gathered in
It partly reseeds on the position of dead rice stub, guarantees that the basic rice stub number in full field is constant；And when field missing seedling rate reaches 20% or more
When should plant first rice crop again, no longer cultivate ratooning rice again with ratooning rice.
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| CN110100671A (en) * | 2019-05-28 | 2019-08-09 | 雅安雨禾农业科技有限责任公司 | A kind of rice regeneration propagation method |
| CN110100671B (en) * | 2019-05-28 | 2021-07-27 | 雅安雨禾农业科技有限责任公司 | Rice regeneration propagation method |
| CN110199805A (en) * | 2019-07-12 | 2019-09-06 | 雅安雨禾农业科技有限责任公司 | A kind of rice paddy seed pure keeping propagation method |
| CN113016531A (en) * | 2021-02-26 | 2021-06-25 | 池州市农业科学研究所 | High-yield planting method for mechanically rolling row throwing planting after harvesting first season rice |
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