CN117561942A - Ecological prevention and control technology for diseases and insect pests of rice with silk seedling - Google Patents
Ecological prevention and control technology for diseases and insect pests of rice with silk seedling Download PDFInfo
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- CN117561942A CN117561942A CN202311768386.6A CN202311768386A CN117561942A CN 117561942 A CN117561942 A CN 117561942A CN 202311768386 A CN202311768386 A CN 202311768386A CN 117561942 A CN117561942 A CN 117561942A
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- 235000007164 Oryza sativa Nutrition 0.000 title claims abstract description 139
- 235000009566 rice Nutrition 0.000 title claims abstract description 139
- 201000010099 disease Diseases 0.000 title claims abstract description 31
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 title claims abstract description 31
- 241000607479 Yersinia pestis Species 0.000 title claims abstract description 30
- 241000238631 Hexapoda Species 0.000 title claims abstract description 27
- 230000002265 prevention Effects 0.000 title claims abstract description 18
- 238000005516 engineering process Methods 0.000 title abstract description 15
- 240000007594 Oryza sativa Species 0.000 title 1
- 241000209094 Oryza Species 0.000 claims abstract description 141
- 239000003337 fertilizer Substances 0.000 claims abstract description 33
- 240000008042 Zea mays Species 0.000 claims abstract description 22
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 claims abstract description 22
- 235000002017 Zea mays subsp mays Nutrition 0.000 claims abstract description 22
- 235000005822 corn Nutrition 0.000 claims abstract description 22
- 240000002234 Allium sativum Species 0.000 claims abstract description 20
- 235000004611 garlic Nutrition 0.000 claims abstract description 20
- 238000009331 sowing Methods 0.000 claims abstract description 18
- 239000002689 soil Substances 0.000 claims abstract description 15
- 210000003608 fece Anatomy 0.000 claims abstract description 10
- 239000010871 livestock manure Substances 0.000 claims abstract description 10
- 230000000295 complement effect Effects 0.000 claims abstract description 9
- 238000003306 harvesting Methods 0.000 claims description 18
- 241001061264 Astragalus Species 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 16
- 241000196324 Embryophyta Species 0.000 claims description 15
- 235000010110 Astragalus glycyphyllos Nutrition 0.000 claims description 13
- 235000006533 astragalus Nutrition 0.000 claims description 13
- 208000003643 Callosities Diseases 0.000 claims description 9
- 206010020649 Hyperkeratosis Diseases 0.000 claims description 9
- 238000002791 soaking Methods 0.000 claims description 6
- 208000035240 Disease Resistance Diseases 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 4
- 230000035784 germination Effects 0.000 claims description 4
- 238000003971 tillage Methods 0.000 claims description 4
- 241000213948 Astragalus sinicus Species 0.000 claims description 3
- 241000589180 Rhizobium Species 0.000 claims description 3
- 239000004202 carbamide Substances 0.000 claims description 3
- 239000003814 drug Substances 0.000 claims description 3
- XSQUKJJJFZCRTK-UHFFFAOYSA-N urea group Chemical group NC(=O)N XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 239000000126 substance Substances 0.000 abstract description 6
- 238000009264 composting Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000000575 pesticide Substances 0.000 abstract description 4
- 235000007297 Gaultheria procumbens Nutrition 0.000 abstract description 3
- 244000052616 bacterial pathogen Species 0.000 abstract description 3
- OSWPMRLSEDHDFF-UHFFFAOYSA-N methyl salicylate Chemical compound COC(=O)C1=CC=CC=C1O OSWPMRLSEDHDFF-UHFFFAOYSA-N 0.000 abstract description 3
- 235000016709 nutrition Nutrition 0.000 abstract description 3
- 230000035764 nutrition Effects 0.000 abstract description 3
- 150000007524 organic acids Chemical class 0.000 abstract description 3
- 230000002068 genetic effect Effects 0.000 abstract description 2
- 230000002401 inhibitory effect Effects 0.000 abstract description 2
- 240000001238 Gaultheria procumbens Species 0.000 abstract 1
- 230000000052 comparative effect Effects 0.000 description 22
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- 238000005096 rolling process Methods 0.000 description 5
- 241000255901 Tortricidae Species 0.000 description 3
- 125000003118 aryl group Chemical group 0.000 description 3
- 230000035800 maturation Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 241000008892 Cnaphalocrocis patnalis Species 0.000 description 2
- 241000736246 Pyrola Species 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 241000098289 Cnaphalocrocis medinalis Species 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000003967 crop rotation Methods 0.000 description 1
- 235000015140 cultured milk Nutrition 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000035558 fertility Effects 0.000 description 1
- 238000009336 multiple cropping Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000017260 vegetative to reproductive phase transition of meristem Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
- A01G22/20—Cereals
- A01G22/22—Rice
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G13/00—Protecting plants
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- 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
-
- 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
- A01G22/35—Bulbs; Alliums, e.g. onions or leeks
-
- 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
- A01G22/40—Fabaceae, e.g. beans or peas
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F11/00—Other organic fertilisers
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Botany (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Pretreatment Of Seeds And Plants (AREA)
Abstract
The invention discloses an ecological prevention and control technology for diseases and insect pests of rice with wire seedlings, and relates to the field of ecological agriculture planting. The technology comprises the steps of selecting rice varieties with complementary resistances, sowing the rice varieties in a mixed mode according to a proper matching proportion, alternately planting corn and garlic around a field, and composting winter green manure in spring, and inhibiting the propagation and growth of soil-borne pathogenic bacteria by increasing genetic diversity in the field and heat and organic acid generated during composting the green manure, so that the occurrence of diseases and insect pests in the field is effectively reduced, the nutrition content in the soil is improved, the effects of improving the soil, reducing the use of chemical fertilizers and pesticides are achieved, the occurrence of diseases and insect pests in the field is reduced, the production cost is reduced, and the high yield and stable yield of the rice are ensured.
Description
Technical Field
The invention relates to the field of ecological agriculture planting, in particular to an ecological prevention and control technology for diseases and insect pests of rice with rice seedlings.
Background
The silk seedling rice is a high-quality Guangdong rice variety, the current main rice seedling technology in the whole province is the light seedling throwing technology, the high-yield regulation technology, the three-control technology and the like, the labor cost is still high, and the research and development of the precise, mechanical and light simplified cultivation technology of the rice are still relatively lagged. In recent years, the Guangdong province develops the modern high-value high-yield special agriculture, which causes a series of problems of higher farmland multiple cropping index, large single-season fertilizer input amount, serious loss of nitrogen and phosphorus nutrients in farmlands, low fertilizer utilization rate, aggravation of non-point source pollution, soil hardening, water body and atmospheric pollution and the like.
In view of this, the present invention has been made.
Disclosure of Invention
In order to overcome the defects and shortcomings of the prior art, the invention aims to provide an ecological prevention and control technology for rice diseases and insect pests of rice with rice seedlings. The technology comprises the steps of selecting rice varieties with complementary resistances, sowing the rice varieties in a mixed mode according to a proper matching proportion, alternately planting corn and garlic around a field, and composting winter green manure in spring, and inhibiting the propagation and growth of soil-borne pathogenic bacteria by increasing genetic diversity in the field and heat and organic acid generated during composting the green manure, so that the occurrence of diseases and insect pests in the field is effectively reduced, the nutrition content in the soil is improved, the effects of improving the soil, reducing the use of chemical fertilizers and pesticides are achieved, the occurrence of diseases and insect pests in the field is reduced, the production cost is reduced, and the high yield and stable yield of the rice are ensured.
The aim of the invention is achieved by the following technical scheme:
a technique for ecologically preventing and controlling diseases and insect pests of rice with silk seedling includes the following steps
(1) Seed selection and seedling raising of early rice and late rice: selecting 2 early rice varieties and 2 late rice varieties with similar local growth periods and complementary resistances, mixing and collocating dry rice varieties according to a certain proportion, soaking the varieties with medicaments for accelerating germination, and sowing and raising seedlings in the last ten days of 4 months each year;
(2) Leveling the field: the paddy rice is ploughed and harrowed after 3 days of flooding and soaking of the paddy rice before transplanting, the height drop of the paddy rice is not more than 5 cm, and the paddy rice is transplanted after being leveled and needs to be settled and implemented for 24 hours;
(3) Transplanting in a field: transplanting seedlings according to the plant spacing of 14-18 cm and the row spacing of 30 cm when the seedlings grow to 4-5 leaves;
(4) Fertilizer operation: applying a compound fertilizer as a base fertilizer 1 day before field transplanting, and applying a spike fertilizer 35 days after the field transplanting without applying a tillering fertilizer, wherein the application amount of the base fertilizer is 30-50% of that of a conventional base fertilizer;
(5) Planting corn: sowing 1-2 rows of corns around the field after transplanting rice in the early 5 months according to the plant spacing of 30-40 cm;
(6) Harvesting rice: harvesting the rice after the rice is ripe;
(7) Green manure planting: directly sowing the milk vetch without tillage after the late rice is harvested, and using rhizobium to mix seeds before sowing the milk vetch seeds, wherein the sowing amount of the dry milk vetch seeds is 3.5-5 kg/mu;
(8) Corn harvesting and garlic planting: planting garlic after corns around the field blocks are ripe and harvested in the late 9 months;
(9) The milk vetch is buried in a turning mode: after the milk vetch flowers in the middle ten days of 4 months of the next year, the milk vetch plants are buried under the soil layer for 10-20 cm, and wet retting is carried out;
(10) Harvesting garlic: harvesting garlic in the middle and late 4 months of the next year, wherein the garlic leaves and the astragalus sinicus are buried in the soil layer together for wet retting.
As preferable: the growth period of the matched rice varieties selected in the step (1) is not more than 5 days, the disease resistance of the rice varieties is complementary, the early rice can be mixed by Jin Hengyou golden silk seedlings and Baiyue silk seedlings, and the late rice can be mixed by aroma-enhancing youning silk seedlings and aroma-enhancing younude 98 silk seedlings;
as preferable: the ratio of Jin Hengyou golden silk seedling to Baiyue silk seedling in the step (1) is 2:1, the mixing ratio of the aroma-enhancing and aroma-enhancing you-98 silk seedling is 2:1, a step of;
as preferable: transplanting the rice plants at 18 cm if the selected rice mixed varieties are hybrid rice, transplanting the rice plants at 16 cm if the selected rice mixed varieties contain 1 hybrid rice, and transplanting the rice plants at 14 cm if the selected rice mixed varieties are conventional rice;
preferably, the base fertilizer application amount in the step (4) is 40% of the conventional base fertilizer application amount;
as preferable: the fertilizer spike in the step (4) is urea, and the dosage is 7-8 kg/mu (preferably 7.5 kg/mu).
As preferable: the corn variety in the step (5) is selected from proper local summer corn varieties;
as preferable: in the step (5), 2 rows of corns are sowed according to the plant spacing of 35 cm.
As preferable: in the steps (9) and (10), the retting time is 10-15 days.
Compared with the prior art, the invention has the following advantages and effects:
the invention provides an ecological prevention and control technology for plant diseases and insect pests of rice seedlings, which comprises the steps of mixing and planting rice varieties with complementary disease resistance according to a certain proportion, carrying out crop rotation of corn and garlic around a field, and retting and fermenting milk vetch plants and garlic leaves in winter with green manure milk vetch, thereby improving soil quality, improving soil fertility, reducing application of chemical fertilizers and pesticides, reducing production cost and guaranteeing high and stable yield of rice.
Drawings
Fig. 1 is a process flow diagram of an ecological prevention and control technique for plant diseases and insect pests of the rice with the silk seedling.
Detailed Description
The present invention will be described in further detail with reference to examples and drawings, but embodiments of the present invention are not limited thereto.
The early rice varieties selected in the embodiment and the comparative example are Jin Hengyou golden silk seedlings and Baiyue silk seedlings, the late rice varieties are aroma-enhancing and aroma-enhancing high-quality 98 silk seedlings, and the implementation time is 2022 to 2023 years.
Technical features not disclosed in the examples and comparative examples of the present invention are set according to a conventional planting method.
The process flow diagram of the ecological prevention and control technology for the diseases and insect pests of the rice with the silk seedling is shown in figure 1.
Example 1
The dry seeds of Jin Hengyou golden silk seedling and Baiyue silk seedling are planted according to the following weight ratio of 2:1. during sowing the late rice, the aroma-enhancing youning aromatic silk seedling and the aroma-ploughing youyou 98 silk seedling are mixed according to the proportion of 2:1, soaking seeds with the medicament to accelerate germination, wherein early rice is 4 months and 9 days of 2022, and later rice is 7 months and 15 days of 2022, and the seedlings are planted by adopting machine blanket seedlings; transplanting when the seedlings grow to 1 heart of 4 leaves, wherein early rice is transplanted according to the plant spacing of 16 cm and the row spacing of 30 cm, and late rice is transplanted according to the plant spacing of 18 cm and the row spacing of 30 cm; and (3) carrying out turning tillage and harrowing after 3 days of flooding and soaking the field blocks before transplanting, wherein the height drop of the field blocks is not more than 5 cm, and carrying out time-shifting cultivation after settling and implementing 24 hours after the field blocks are leveled. The compound fertilizer (the product name is Huifeng compound fertilizer, purchased from Henan Ding chemical industry Co., ltd.) is applied as a base fertilizer at 15 kg/mu 1 day before transplanting in the field, urea is applied as an ear fertilizer at 7.5 kg/mu 35 days after transplanting, tillering fertilizer is not required to be applied, the application amount of the base fertilizer is 40% of the application amount of the conventional base fertilizer, a harvester is used for harvesting after rice is mature, and the milk vetch seeds are planted into the field directly after late rice harvesting by using rhizobium for seed dressing and no-tillage sowing according to 5 kg/mu dry weight. Sowing 2 rows of corns around the field after the early 5 months of rice transplanting according to the plant spacing of 35 cm, harvesting the corns and planting the garlic after the corns are ripe until the late 9 months, namely, harvesting the garlic after the next year, namely, 4 months and 7 days of 2023, and burying the garlic leaves and the flowering astragalus sinicus as green manure together in a soil layer with the depth of 10-20 cm in the soil layer of the field, and wetting and retting for 15 days.
The incidence of rice blast and bacterial leaf blight in rice fields, and leaf rolling rate of leaf rollers in rice fields were measured during the growth period of rice, and the yield was measured by harvesting after rice maturation, and all data were the sum of early rice and late rice. All data are shown in table 1.
Comparative example 1
The dry seeds of Jin Hengyou golden silk seedling and Baiyue silk seedling are 1: 1. during sowing the late rice, the aroma-enhancing youning aromatic silk seedling and the aroma-ploughing youyou 98 silk seedling are mixed according to the proportion of 1:1, the rest of the planting and cultivation modes are the same as those of the example 1.
The incidence of rice blast and bacterial leaf blight in rice fields, and leaf rolling rate of leaf rollers in rice fields were measured during the growth period of rice, and the yield was measured by harvesting after rice maturation, and all data were the sum of early rice and late rice. All data are shown in table 1.
Comparative example 2
The dry seeds of Jin Hengyou golden silk seedling and Baiyue silk seedling are 1: 2. during sowing the late rice, the aroma-enhancing youning aromatic silk seedling and the aroma-ploughing youyou 98 silk seedling are mixed according to the proportion of 1:2, the other planting and cultivation modes are the same as those of example 1.
The incidence of rice blast and bacterial leaf blight in rice fields, and leaf rolling rate of leaf rollers in rice fields were measured during the growth period of rice, and the yield was measured by harvesting after rice maturation, and all data were the sum of early rice and late rice. All data are shown in table 1.
Comparative example 3
The paddy field blocks (the early rice planting variety is Jin Hengyou golden silk seedlings and the late rice variety is Xiangyuanning fragrant silk seedlings) are normally produced by local farmers, and no pest and disease control measures are taken as a control. Meanwhile, the incidence rate of rice blast and bacterial leaf blight in the rice field and the leaf rolling rate of rice leaf rollers are measured during the growth period of the rice, the yield of the rice is measured by harvesting after the rice is mature, and all the data are the sum of early rice and late rice. All data are shown in table 1.
Table 1 incidence of field disease, incidence of insect pest and yield of examples and comparative examples
Note that: the different lowercase letters indicate that the differences between the examples and the comparative examples are significant (P < 0.05).
As is clear from Table 1, the leaf curl rates of rice blast disease and leaf curl rate of rice leaf rollers of example 1, comparative example 1 and comparative example 2 are both significantly reduced, and the rice yield is significantly improved, compared with comparative example 3. The leaf ratio of rice blast disease in example 1 was significantly reduced by 57.0%, 56.6% and 69.1% compared with comparative example 1, comparative example 2 and comparative example 3, respectively; the bacterial blight disease cluster rate is obviously reduced by 31.1%, 50.5% and 53.5% compared with comparative example 1, comparative example 2 and comparative example 3 respectively; the leaf rolling rate of the cnaphalocrocis medinalis is not obviously different from that of comparative example 1 and comparative example 2, but is obviously reduced by 55.9% compared with comparative example 3; the rice yield was significantly increased by 14.4%, 16.9% and 24.8% compared to comparative example 1, comparative example 2 and comparative example 3, respectively.
The method is characterized in that in early rice and late rice, the varieties with complementary resistances are required to be matched in a proper proportion to exert the effect of mixed sowing and disease resistance to the best, meanwhile, corn and garlic planted around the field form a shielding wall through the effects of physical blocking and chemical blocking, pests are blocked outside the field, so that the occurrence of the pests is reduced, heat and a large amount of organic acids generated by retting green manure can effectively prevent the germination of weeds and the growth of soil-borne pathogenic bacteria in the field, so that the risk of rice yield reduction is reduced, and the rice yield is improved.
According to the embodiment, the invention provides an ecological prevention and control technology for rice diseases and insect pests of the wire seedling rice, which is characterized in that varieties with complementary resistances are selected and planted in a mixed mode according to a proper proportion, corn and garlic are planted around a field, and the winter green manure, namely, the milk vetch and the spring retting are used for preparing fermented milk vetch plants and garlic leaves, so that the occurrence of rice diseases and insect pests is effectively reduced, the nutrition content in soil is improved, the effects of improving the soil, reducing the use of chemical fertilizers and pesticides are achieved, the occurrence of rice diseases and insect pests is reduced, the production cost is reduced, and the high yield and stable yield of rice are ensured.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.
The above examples are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above examples, and any other changes, modifications, substitutions, combinations, and simplifications that do not depart from the spirit and principle of the present invention should be made in the equivalent manner, and the embodiments are included in the protection scope of the present invention.
Claims (10)
1. A technique for ecologically preventing and controlling diseases and insect pests of rice with silk seedling is characterized by comprising the following steps of
(1) Seed selection and seedling raising of early rice and late rice: selecting 2 early rice varieties and 2 late rice varieties with similar local growth periods and complementary resistances, mixing and collocating dry rice varieties according to a certain proportion, soaking the varieties with medicaments for accelerating germination, and sowing and raising seedlings in the last ten days of 4 months each year;
(2) Leveling the field: the paddy rice is ploughed and harrowed after 3 days of flooding and soaking of the paddy rice before transplanting, the height drop of the paddy rice is not more than 5 cm, and the paddy rice is transplanted after being leveled and needs to be settled and implemented for 24 hours;
(3) Transplanting in a field: transplanting seedlings according to the plant spacing of 14-18 cm and the row spacing of 30 cm when the seedlings grow to 4-5 leaves;
(4) Fertilizer operation: applying a compound fertilizer as a base fertilizer 1 day before field transplanting, and applying a spike fertilizer 35 days after the field transplanting without applying a tillering fertilizer, wherein the application amount of the base fertilizer is 30-50% of that of a conventional base fertilizer;
(5) Planting corn: sowing 1-2 rows of corns around the field after transplanting rice in the early 5 months according to the plant spacing of 30-40 cm;
(6) Harvesting rice: harvesting the rice after the rice is ripe;
(7) Green manure planting: directly sowing the milk vetch without tillage after the late rice is harvested, and using rhizobium to mix seeds before sowing the milk vetch seeds, wherein the sowing amount of the dry milk vetch seeds is 3.5-5 kg/mu;
(8) Corn harvesting and garlic planting: planting garlic after corns around the field blocks are ripe and harvested in the late 9 months;
(9) The milk vetch is buried in a turning mode: after the milk vetch flowers in the middle ten days of 4 months of the next year, the milk vetch plants are buried under the soil layer for 10-20 cm, and wet retting is carried out;
(10) Harvesting garlic: harvesting garlic in the middle and late 4 months of the next year, wherein the garlic leaves and the astragalus sinicus are buried in the soil layer together for wet retting.
2. The ecological prevention and control technique for diseases and insect pests of the rice with the silk seedling according to claim 1, which is characterized in that:
in the step (1), the growth period of the matched rice varieties should be different by not more than 5 days, and the disease resistance is complementary.
3. The ecological prevention and control technique for diseases and insect pests of the rice with the silk seedling according to claim 2, which is characterized in that:
the early rice is mixed with Jin Hengyou golden silk seedling and Baiyue silk seedling, and the late rice is mixed with aroma-enhancing youning silk seedling and aroma-enhancing youyou 98 silk seedling.
4. The ecological prevention and control technique for diseases and insect pests of the rice with the silk seedling according to claim 3, which is characterized in that:
jin Hengyou and Baiyue silk seedlings have a ratio of 2:1, the mixing ratio of the aroma-enhancing and aroma-enhancing you-98 silk seedling is 2:1.
5. the ecological prevention and control technique for diseases and insect pests of the rice with the silk seedling according to claim 1, which is characterized in that:
in the step (3), if the selected rice mixed varieties are all hybrid rice, transplanting the hybrid rice according to the plant spacing of 18 cm, if the selected rice mixed varieties contain 1 hybrid rice, transplanting the hybrid rice according to the plant spacing of 16 cm, and if the selected rice mixed varieties are all conventional rice, transplanting the hybrid rice according to the plant spacing of 14 cm.
6. The ecological prevention and control technique for diseases and insect pests of the rice with the silk seedling according to claim 1, which is characterized in that:
in the step (4), the application amount of the base fertilizer is 40% of the application amount of the conventional base fertilizer.
7. The ecological prevention and control technique for diseases and insect pests of the rice with the silk seedling according to claim 1, which is characterized in that:
in the step (4), the fertilizer is urea with the dosage of 7-8 kg/mu.
8. The ecological prevention and control technique for diseases and insect pests of the rice with the silk seedling according to claim 1, which is characterized in that:
in the step (5), the corn variety is selected from proper local summer corn varieties.
9. The ecological prevention and control technique for diseases and insect pests of the rice with the silk seedling according to claim 1, which is characterized in that:
in the step (5), 2 rows of corns are sowed according to the plant spacing of 35 cm.
10. The ecological prevention and control technique for diseases and insect pests of the rice with the silk seedling according to claim 1, which is characterized in that:
in the steps (9) and (10), the retting time is 10-15 days.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311768386.6A CN117561942A (en) | 2023-12-21 | 2023-12-21 | Ecological prevention and control technology for diseases and insect pests of rice with silk seedling |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311768386.6A CN117561942A (en) | 2023-12-21 | 2023-12-21 | Ecological prevention and control technology for diseases and insect pests of rice with silk seedling |
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| Publication Number | Publication Date |
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| CN117561942A true CN117561942A (en) | 2024-02-20 |
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| CN202311768386.6A Pending CN117561942A (en) | 2023-12-21 | 2023-12-21 | Ecological prevention and control technology for diseases and insect pests of rice with silk seedling |
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- 2023-12-21 CN CN202311768386.6A patent/CN117561942A/en active Pending
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