CN114051896A - Quality-improving and efficiency-increasing cultivation method for ratoon rice - Google Patents
Quality-improving and efficiency-increasing cultivation method for ratoon rice Download PDFInfo
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- 235000007164 Oryza sativa Nutrition 0.000 title claims abstract description 186
- 235000009566 rice Nutrition 0.000 title claims abstract description 186
- 238000012364 cultivation method Methods 0.000 title claims abstract description 18
- 240000007594 Oryza sativa Species 0.000 title 1
- 241000209094 Oryza Species 0.000 claims abstract description 189
- 238000003306 harvesting Methods 0.000 claims abstract description 55
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 41
- 239000003337 fertilizer Substances 0.000 claims abstract description 33
- 201000010099 disease Diseases 0.000 claims abstract description 19
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 claims abstract description 19
- 238000000034 method Methods 0.000 claims abstract description 19
- 241000607479 Yersinia pestis Species 0.000 claims abstract description 15
- 230000008569 process Effects 0.000 claims abstract description 14
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000004202 carbamide Substances 0.000 claims abstract description 7
- 230000004720 fertilization Effects 0.000 claims abstract description 7
- 230000001737 promoting effect Effects 0.000 claims abstract description 4
- 241000196324 Embryophyta Species 0.000 claims description 13
- 230000008929 regeneration Effects 0.000 claims description 11
- 238000011069 regeneration method Methods 0.000 claims description 11
- 238000005507 spraying Methods 0.000 claims description 11
- 238000012216 screening Methods 0.000 claims description 10
- 210000005069 ears Anatomy 0.000 claims description 8
- 230000002265 prevention Effects 0.000 claims description 8
- 230000004083 survival effect Effects 0.000 claims description 8
- 235000013339 cereals Nutrition 0.000 claims description 6
- 230000035784 germination Effects 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 5
- 241000426497 Chilo suppressalis Species 0.000 claims description 4
- 241001530056 Athelia rolfsii Species 0.000 claims description 3
- 241000008892 Cnaphalocrocis patnalis Species 0.000 claims description 3
- 206010035148 Plague Diseases 0.000 claims description 3
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 3
- 241000221662 Sclerotinia Species 0.000 claims description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 3
- 241000255901 Tortricidae Species 0.000 claims description 3
- 230000001133 acceleration Effects 0.000 claims description 3
- 230000006378 damage Effects 0.000 claims description 3
- 210000003608 fece Anatomy 0.000 claims description 3
- 239000010871 livestock manure Substances 0.000 claims description 3
- 125000000250 methylamino group Chemical group [H]N(*)C([H])([H])[H] 0.000 claims description 3
- 239000000618 nitrogen fertilizer Substances 0.000 claims description 3
- 239000000575 pesticide Substances 0.000 claims description 3
- 229910052700 potassium Inorganic materials 0.000 claims description 3
- 239000011591 potassium Substances 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 230000021217 seedling development Effects 0.000 claims description 3
- 238000002791 soaking Methods 0.000 claims description 3
- 239000011780 sodium chloride Substances 0.000 claims description 3
- 238000004659 sterilization and disinfection Methods 0.000 claims description 3
- 239000013589 supplement Substances 0.000 claims description 3
- 239000000375 suspending agent Substances 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- 241001466042 Fulgoromorpha Species 0.000 claims description 2
- 230000001580 bacterial effect Effects 0.000 claims description 2
- 235000016709 nutrition Nutrition 0.000 abstract description 3
- 230000035764 nutrition Effects 0.000 abstract description 3
- 238000009340 sequential cropping Methods 0.000 description 12
- 230000009471 action Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 241001498622 Cixius wagneri Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
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- 230000007547 defect Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009336 multiple cropping Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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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
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
- Y02P60/21—Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Soil Sciences (AREA)
- Botany (AREA)
- Pretreatment Of Seeds And Plants (AREA)
- Cultivation Of Plants (AREA)
- Fertilizers (AREA)
Abstract
The invention relates to a quality-improving and efficiency-increasing cultivation method for ratoon rice, which specifically comprises the following operation steps: 1) selecting high-quality rice U8 and 528 varieties; 2) disease and pest control and management of first season rice; 3) applying a bud promoting fertilizer; 4) harvesting the remained piles; 5) and (5) managing fertilizer and water. According to the quality-improving and efficiency-increasing cultivation method for the ratoon rice, water is re-watered immediately after harvesting the first season rice, water is drained when shallow water is filled till the rice is nearly yellow and ripe, watering pile splashing should be carried out in the evening of the day of harvesting and in the morning and evening of the two days after harvesting the first season rice when the first season rice is harvested, seedling growing fertilizers are applied in time in 1-2 days after harvesting the first season rice, and 800-1500 kg of rotten clear excrement water is used for pile splashing the rice in each mu, so that the yield of the ratoon season can be effectively improved, nutrition is provided for the ratoon rice, the ratoon rice quality is guaranteed, and 8-10 kg of urea is applied to each mu 10-15 days before harvesting the first season rice in the fertilization process to promote the ratoon rice to quickly grow seedlings and grow more seedlings.
Description
Technical Field
The invention relates to the technical field of ratoon rice, in particular to a ratoon rice quality-improving and efficiency-increasing cultivation method.
Background
Rice is one of the most main grain crops in China and even all over the world, the yield per unit of the rice is continuously and greatly improved by means of technological progress, the rice is a necessary choice (Yuanlongping, 2015) for solving the problem of global grain safety, and since the last 80 th century, super rice breeding plans are implemented in China and countries and institutions of Japan and International Rice departments and the like in sequence, but the rice is difficult to popularize in a large scale due to the problems of high difficulty, poor technical route, rice quality, stress resistance, fructification rate and the like.
The regeneration rice is a rice cropping system which utilizes axillary buds on rice stakes after first season rice is harvested to germinate and grow seedlings, and scientifically manages the first season rice to sprout and fruit the rice stakes and harvest the rice for one season, and has the advantages of short growth period, high daily yield, seed saving, labor saving, low production cost, high benefit and the like, so that the rice cropping system is one of measures for improving the multiple cropping index and increasing the rice yield and economic income of a rice field in a double-season rice heat shortage area and a single-season middle rice area in the double-season rice area in a rice area in the south of China, but along with the development of regeneration rice technology in China, particularly along with the improvement of the living standard of people in recent years, the requirement on rice quality is higher and higher, and along with the demonstration and popularization of the regeneration rice, the first season rice is in high temperature hazard due to the heading period, so that the rice quality is poorer, and the low yield is a key factor for restricting the development of the regeneration rice in recent years, therefore, how to improve the rice quality and yield of the first season rice is an effective way for further greatly improving the area of the regenerated rice and increasing the total yield.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a quality-improving and efficiency-increasing cultivation method for ratoon rice, which has the advantages of high yield and the like and solves the problems of poor quality and low yield of ratoon rice.
In order to realize the purpose of high yield, the invention provides the following technical scheme: a quality-improving and efficiency-increasing cultivation method for ratoon rice specifically comprises the following operation steps:
1) selecting varieties, selecting a hybrid rice variety U8 excellent 528 with excellent quality, ensuring that the rice plant has regular ear layers and large ears, perfectly combining comprehensive resistance and plant leaf type, simultaneously, the sword leaves are shorter, wider and upright, the stems are thicker, the fertilizer and lodging resistance is realized, the rice blast resistance is realized, the maturity is moderate, the regeneration force is strong, after the varieties are selected, a seed screening step is carried out, the quality of the rice seeds is ensured, and the subsequent germ germination and planting are carried out;
2) the prevention and the management of diseases and pests of first season rice are realized by raising rice seedlings with water or transplanting rice seedlings by a machine, the planting distance of rice is ensured, and fertilizer is applied after the planting process, so that the survival rate is ensured, and whether first season rice piles are robust or not greatly influences the survival rate of dormant buds, the normal seedling development and the yield of regenerated rice, so that the specialized comprehensive prevention and control and the joint prevention and control of diseases and pests such as rice planthoppers, rice leaf rollers, chilo suppressalis, rice blast, banded sclerotial blight and the like are required to be enhanced, and the damage of the diseases and pests is reduced;
3) fertilizing, namely applying enough germination-promoting fertilizer in due time, and applying 8-10 kilograms of urea to each mu of rice 20 days after the first season rice is flush with ears;
4) harvesting pile retaining, namely, after the first season rice is primarily mature, reserving two sections, turning two sections of the first season, harvesting when the buds are harvested, 70% of plants are turned two sections and three sections of the first season rice are up to 2 cm long, harvesting when the height of the pile retaining can be about 20 cm, and reducing repeated rolling of rice piles during harvesting;
5) and (2) fertilizing and water management, namely immediately rehydrating after harvesting first season rice, draining water when shallow water is filled till the rice is nearly yellow and ripe, watering piles in the evening of the day of harvesting and in the morning and evening of the two days after harvesting if the first season rice is harvested in a continuous sunny high-temperature weather or the rice field is short of water, timely applying a seedling-growing fertilizer 1-2 days after harvesting the first season rice, spraying rice piles with 800-1500 kg of rotten clear liquid manure per mu, then applying 8-10 kg of urea per mu, keeping a certain water layer in the field during fertilization, and spraying leaf surfaces when the seedling-growing fertilizer is applied in a dry high-temperature field without water, thereby striving for multiple regenerated seedlings, improving the regeneration earning rate, increasing effective ears and promoting the high yield of the regenerated rice.
Further, the high-quality hybrid rice variety selected in the step 1) can be a hybrid rice variety U8 You528, and the total growth period is 141-168 days, and is 150.9 days on average.
Further, when the screening step in the step 1) is performed, the picking step may be performed by soaking and screening with saline water, and after blighted grains are screened, the picking step may be performed by washing with clear water, and then the disinfection and germination acceleration step may be performed.
Further, the pest control mode in the step 2) is specifically as follows: when certain true leaves grow in the seedling stage, the harvested rice liquid is used for spraying leaves to prevent and control bacterial brown spot; the pefurazoamide suspending agent is required to be sprayed on the whole plant to prevent and control rice blast in high-temperature rainy seasons; observing diseases such as sheath blight and sclerotinia before the sword leaf stage, and if the diseases exist, using related pesticides for preventing and treating; the heading stage mainly prevents and treats diseases such as rice neck plague, browning spike and the like; rice borers and leaf rollers are frequently generated in rice, and methylamino is used for stem base spraying control and the like.
Further, in the step 3), the application of a annual base fertilizer before transplanting should be ensured as much as possible, wherein the nitrogen fertilizer is used by about one quarter of the fertilizer used in the previous year, the potassium fertilizer is used by about two quarters of the previous year, meanwhile, the plants should be observed, what is missing is needed for supplement, and during the fertilization process, the fertilizer should be applied within 10-15 days before harvesting the first season rice to improve the strength of the first season rice.
Further, when the step of harvesting and pile retaining is carried out in the step 4), the height of the pile retaining of the harvesting equipment should be adjusted to be at least 20 cm, whether the harvesting is carried out or not should be determined according to the growth condition of the whole piece of rice, and the first season rice can be harvested when the maturity of the first season rice reaches 85%.
Compared with the prior art, the invention provides a quality-improving and efficiency-increasing cultivation method for ratoon rice, which has the following beneficial effects:
according to the quality-improving and efficiency-increasing cultivation method for the ratooning rice, water is re-watered immediately after harvesting first season rice, water is drained when shallow water is filled till the rice is nearly yellow and ripe, watering piles are watered in the evening of the day of harvesting and in the morning and evening of the two days after harvesting if the first season rice is harvested in a continuous sunny high-temperature weather or the rice field is short of water, seedling-growing fertilizers are applied in time in 1-2 days after harvesting the first season rice, 800-1500 kilograms of rotten clear excrement water is used for spraying the piles for each mu of rice, the yield of the ratooning season can be effectively improved, nutrition is provided for the ratooning season rice, the quality of the ratooning season rice is guaranteed, meanwhile, during the fertilizing process, fertilizer is applied within 10-15 days before harvesting the first season rice for improving the strength of the first season rice, the survival rate of the ratooning season rice after harvesting can be effectively improved, and the problems that the ratooning season rice is poor in quality and low in yield are solved.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example (b):
a quality-improving and efficiency-increasing cultivation method for ratoon rice specifically comprises the following operation steps:
1) selecting varieties, selecting hybrid rice varieties with good varieties, ensuring that the rice plant has neat ear layers and large ears, perfectly combining comprehensive resistance with plant leaf shapes, simultaneously, the sword leaves are short, wide and upright, the stalks are thick, resistant to fertilizer and lodging, resistant to rice blast, moderate in maturity and strong in regeneration force, performing a seed screening step after selecting the varieties, performing soaking screening through saline water during the screening step, screening out hollow blighted grains, washing through clear water, performing a disinfection and germination acceleration process, ensuring the quality of the rice seeds, and performing subsequent germ germination and planting, wherein the selected good hybrid rice varieties can be hybrid rice varieties U8-528, have a full growth period of 141-168 days, and are 150.9 days on average;
2) disease and pest control and management of first season rice, adopting water seedling raising or mechanical seedling transplanting to ensure the spacing between rice plants, fertilizing after the planting process to ensure the survival rate, and simultaneously, whether first season rice piles are robust has great influence on the survival rate of dormant buds, the normal seedling development and the yield of regenerated rice, so that the specialized comprehensive control and joint prevention joint control of diseases and pests such as rice planthopper, rice leaf roller, chilo suppressalis, rice blast, banded sclerotial blight and the like need to be enhanced to reduce the harm of diseases and pests; the pefurazoamide suspending agent is required to be sprayed on the whole plant to prevent and control rice blast in high-temperature rainy seasons; observing diseases such as sheath blight and sclerotinia before the sword leaf stage, and if the diseases exist, using related pesticides for preventing and treating; the heading stage mainly prevents and treats diseases such as rice neck plague, browning spike and the like; rice stem borers and leaf rollers are frequently generated in rice, and methylamino is used for stem base spraying prevention and control;
3) fertilizing, namely applying enough germination-promoting fertilizer in due time, applying 8-10 kg of urea for each mu 20 days after the first season rice is flush with the ears, applying nitrogen fertilizer accounting for about one quarter of the fertilizer used all the year round, applying potassium fertilizer accounting for about two quarters of the fertilizer used all the year round, observing plants, finding out what is missing for supplement, and applying fertilizer within 10-15 days before the first season rice is harvested in the fertilizing process to improve the strength of the first season rice;
4) harvesting pile retaining, namely reserving two sections after primary maturity of first season rice, observing bud harvesting first season, harvesting 70% of plants when the buds of the first season rice are poured into two sections and three sections of the plants are up to 2 cm in length, wherein the height of the pile retaining during harvesting can be about 20 cm, repeated rolling is reduced during harvesting, when the step of harvesting pile retaining is carried out, the height of the pile retaining of harvesting equipment is at least adjusted to be not less than 20 cm, whether harvesting is carried out or not is determined according to the growth condition of the whole piece of rice, and the first season rice can be harvested when the first season rice is up to 85% maturity;
5) and (2) fertilizing and water management, namely immediately rehydrating after harvesting first season rice, draining water when shallow water is filled till the rice is nearly yellow and ripe, watering piles in the evening of the day of harvesting and in the morning and evening of the two days after harvesting if the first season rice is harvested in continuous sunny high-temperature weather or the rice field is short of water, timely applying a seedling-growing fertilizer 1-2 days after harvesting the first season rice, timely applying rice piles with 800-1500 kg of rotten clear liquid manure per mu, applying 8-10 kg of urea per mu, keeping a certain water layer in the field during fertilization, keeping a certain water layer in the field when the field is dry at high temperature, and spraying leaf surfaces when the seedling-growing fertilizer is not applied in the field, thereby striving for multiple regenerated seedlings, improving the regeneration earring rate, increasing effective ears and promoting the high yield of regenerated rice.
By adopting the quality-improving and efficiency-increasing cultivation method for the ratoon rice, the yield and the rice quality of the ratoon rice are measured, and the method is specifically shown in the following table:
the data in the table show that the method can greatly improve the yield of the regenerated rice, increase the yield of the rice by 120-200 kg per mu, effectively improve the quality of the rice produced in the regeneration season, improve the yield of first season rice by a small margin and is suitable for popularization and planting.
The beneficial effects of the above embodiment are as follows:
according to the quality-improving and efficiency-increasing cultivation method for the ratooning rice, water is re-watered immediately after harvesting first season rice, water is drained when shallow water is filled till the rice is nearly yellow and ripe, watering piles are watered in the evening of the day of harvesting and in the morning and evening of the two days after harvesting, seedling fertilizer is applied in time 1-2 days after harvesting the first season rice, and rice piles are sprayed with 800-1500 kilograms of rotten clear excrement water for each mu of time, so that the yield of the ratooning season can be effectively improved, nutrition is provided for ratooning season rice, the quality of the ratooning season rice is guaranteed, and meanwhile, during fertilization, fertilizer is applied within 10-15 days before harvesting the first season rice so as to improve the strength of the first season rice, the survival rate of the ratooning season after harvesting can be effectively improved, and the problems of poor quality and low yield of the ratooning rice are solved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
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 (6)
1. A quality-improving and efficiency-increasing cultivation method for ratoon rice is characterized by comprising the following operation steps:
1) selecting varieties, selecting high-quality hybrid rice varieties, ensuring that the rice plants have neat panicle layers and large panicle grains, perfectly combining comprehensive resistance and plant leaf shapes, simultaneously, sword leaves are short, wide and upright, stalks are thick, and are resistant to fertilizer and lodging and rice blast, moderate in maturity period and strong in regeneration force, performing a seed screening step after the varieties are selected, ensuring the quality of the rice seeds, and performing subsequent germ germination and planting;
2) the prevention and the management of diseases and pests of first season rice are realized by raising rice seedlings with water or transplanting rice seedlings by a machine, the planting distance of rice is ensured, and fertilizer is applied after the planting process, so that the survival rate is ensured, and whether first season rice piles are robust or not greatly influences the survival rate of dormant buds, the normal seedling development and the yield of regenerated rice, so that the specialized comprehensive prevention and control and the joint prevention and control of diseases and pests such as rice planthoppers, rice leaf rollers, chilo suppressalis, rice blast, banded sclerotial blight and the like are required to be enhanced, and the damage of the diseases and pests is reduced;
3) fertilizing, namely timely and sufficiently applying a germination-promoting fertilizer, and applying 8-10 kilograms of urea to each mu 20 days after the first season rice is flush with the ears;
4) harvesting pile retaining, namely, after the first season rice is primarily mature, reserving two sections, turning two sections of the first season, harvesting when the buds are harvested, 70% of plants are turned two sections and three sections of the first season rice are up to 2 cm long, harvesting when the height of the pile retaining can be about 20 cm, and reducing repeated rolling of rice piles during harvesting;
5) and (2) fertilizing and water management, namely immediately rehydrating after harvesting first season rice, draining water when shallow water is filled till the rice is nearly yellow and ripe, watering piles in the evening of the day of harvesting and in the morning and evening of the two days after harvesting if the first season rice is harvested in a continuous sunny high-temperature weather or the rice field is short of water, timely applying a seedling-growing fertilizer 1-2 days after harvesting the first season rice, spraying rice piles with 800-1500 kg of rotten clear liquid manure per mu, then applying 8-10 kg of urea per mu, keeping a certain water layer in the field during fertilization, and spraying leaf surfaces when the seedling-growing fertilizer is applied in a dry high-temperature field without water, thereby striving for multiple regenerated seedlings, improving the regeneration earning rate, increasing effective ears and promoting the high yield of the regenerated rice.
2. The cultivation method for improving quality and increasing efficiency of ratoon rice as claimed in claim 1, wherein: the excellent hybrid rice variety selected in the step 1) is an excellent hybrid rice variety U8 you 528, the whole growth period is 141-168 days, and the average period is 150.9 days.
3. The cultivation method for improving quality and increasing efficiency of ratoon rice as claimed in claim 1, wherein: when the screening step in the step 1) is carried out, the picking process can be carried out by soaking and screening through saline water, washing through clear water after picking out the blighted grain, and then carrying out the disinfection and germination acceleration process.
4. The cultivation method for improving quality and increasing efficiency of ratoon rice as claimed in claim 1, wherein: the pest control mode in the step 2) is specifically as follows: when certain true leaves grow in the seedling stage, the harvested rice liquid is used for spraying leaves to prevent and control bacterial brown spot; the pefurazoamide suspending agent is required to be sprayed on the whole plant to prevent and control rice blast in high-temperature rainy seasons; observing diseases such as sheath blight and sclerotinia before the sword leaf stage, and if the diseases exist, using related pesticides for preventing and treating; the heading stage mainly prevents and treats diseases such as rice neck plague, browning spike and the like; rice borers and leaf rollers are frequently generated in rice, and methylamino is used for stem base spraying control and the like.
5. The cultivation method for improving quality and increasing efficiency of ratoon rice as claimed in claim 1, wherein: in the step 3), the application of a annual base fertilizer before transplanting should be guaranteed as much as possible, wherein the nitrogen fertilizer is used by about one fourth of the annual fertilizer, the potassium fertilizer is used by about two quarters of the year, meanwhile, the plants should be observed, what is missing for supplement is found, and during the fertilization process, the fertilizer should be applied within 10-15 days before harvesting the first season rice to improve the strength of the first season rice.
6. The cultivation method for improving quality and increasing efficiency of ratoon rice as claimed in claim 1, wherein: when the step of harvesting and pile retaining is carried out in the step 4), the height of the pile retaining of harvesting equipment is adjusted to be at least 20 cm, whether harvesting is carried out or not is determined according to the growth condition of the whole piece of rice, and first season rice can be harvested when the first season rice is 85% mature.
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| CN114747440A (en) * | 2022-03-17 | 2022-07-15 | 四川省农业科学院作物研究所 | Planting method for realizing production of ratoon rice in area with insufficient temperature and light |
| WO2023184682A1 (en) * | 2022-04-02 | 2023-10-05 | 中国科学院南京土壤研究所 | Cultivation method for improving yield of ratooning rice and reducing content of cadmium, and application thereof |
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| 涂运平: "水稻田管防治并重", 《农村.农业.农民(B版)》 * |
| 赵凤民等: "寒地水稻高产施肥技术概述", 《黑龙江农业科学》 * |
| 黄发有: "再生稻高产栽培技术", 《现代农业科技》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114747440A (en) * | 2022-03-17 | 2022-07-15 | 四川省农业科学院作物研究所 | Planting method for realizing production of ratoon rice in area with insufficient temperature and light |
| WO2023184682A1 (en) * | 2022-04-02 | 2023-10-05 | 中国科学院南京土壤研究所 | Cultivation method for improving yield of ratooning rice and reducing content of cadmium, and application thereof |
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