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Direct sowing cultivation method of hybrid rice Y Liangyou 17

A technology of hybrid rice and cultivation method, which is applied in the field of direct seeding cultivation of hybrid rice Y Liangyou 17, can solve the problems of poor rice growth, rice smut afflicted by diseases and insect pests, affecting rice yield, etc., and achieves improvement of agronomic and economic characters and a strong seedling index. High, yield-enhancing effects

Pending Publication Date: 2022-03-29
YIELEAD RICE IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the current direct seeding cultivation process, due to improper cultivation management, it is easy to lead to poor growth of rice and high incidence of diseases and insect pests, especially rice blast and rice smut, which will affect subsequent rice yields.

Method used

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  • Direct sowing cultivation method of hybrid rice Y Liangyou 17

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] A direct seeding cultivation method of hybrid rice Y Liangyou 17, comprising the following steps:

[0028] (1) Application of base fertilizer: 40 kg of long-acting slow-release compound fertilizer of N:P:K=20:10:15, 1.5 kg of zinc sulfate and 1.5 kg of sodium silicate were used as base fertilizer per mu before site preparation, and applied to rice fields for 15 -20cm soil layer;

[0029] (2) Soil preparation: 1-2 days before sowing, the paddy field is finely leveled, ditching the box, and the surface of the box is leveled. The width of the box surface is 3-3.5m, and the width of the box ditch is 30cm;

[0030] (3) Seed soaking and accelerating germination: dry the rice seeds for 1-2 days on a sunny day, soak the seeds in 25% prochloraz 3000 times solution for 10-12 hours, take out the water and wash them and dry them to accelerate germination. The temperature for breaking the breasts is 32-35 ℃, germination temperature is 26-30 ℃;

[0031] (4) Sowing: after the seeds ...

Embodiment 2

[0038] A direct seeding cultivation method of hybrid rice Y Liangyou 17, comprising the following steps:

[0039] (1) Base fertilizer application: 50 kg of long-acting slow-release compound fertilizer, 1.5 kg of zinc sulfate and 1 kg of sodium silicate were used as base fertilizers of N:P:K=20:10:15 per mu before site preparation, and applied to rice fields for 15- 20cm soil layer;

[0040] (2) Soil preparation: 1-2 days before sowing, the paddy field shall be finely leveled, ditching the box, and the surface of the box shall be leveled. The width of the box surface is 3-3.5m, and the width of the box ditch is 40cm;

[0041] (3) Seed soaking and accelerating germination: dry the rice seeds for 1-2 days on a sunny day, soak the seeds in 25% prochloraz 3000 times solution for 10-12 hours, take out the water and wash them and dry them to accelerate germination. The temperature for breaking the breasts is 32-35 ℃, germination temperature is 26-30 ℃;

[0042] (4) Sowing: after se...

Embodiment 3

[0049] A direct seeding cultivation method of hybrid rice Y Liangyou 17, comprising the following steps:

[0050] (1) Base fertilizer application: Before site preparation, apply 60kg of long-acting slow-release compound fertilizer of N:P:K=20:10:15, 1kg of zinc sulfate and 1kg of sodium silicate as base fertilizer, and apply it to 15-20cm in the paddy field. soil layer;

[0051] (2) Soil preparation: 1-2 days before sowing, the paddy field shall be finely leveled, ditching the box, and the surface of the box shall be leveled. The width of the box surface is 3-3.5m, and the width of the box ditch is 50cm;

[0052] (3) Seed soaking and accelerating germination: dry the rice seeds for 1-2 days on a sunny day, soak the seeds in 25% prochloraz 3000 times solution for 10-12 hours, take out the water and wash them and dry them to accelerate germination. The temperature for breaking the breasts is 32-35 ℃, germination temperature is 26-30 ℃;

[0053] (4) Sowing: after seed germinati...

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Abstract

The invention belongs to the technical field of crop cultivation, and particularly relates to a direct sowing cultivation method of hybrid rice Y Liangyou 17. The method comprises the following steps: (1) applying a base fertilizer; (2) soil preparation; (3) soaking seeds and accelerating germination; (4) sowing; (5) weed control; (6) topdressing application; (7) water management; (8) pest control. According to the cultivation method, the steps of seed treatment, fertilizer application, water management, disease, pest and weed control and the like are combined, after direct seeding, seedlings germinate neatly, the seedling strengthening index is high, root systems are developed, rice plants grow robustly, neatly and consistently, main agronomic economic characters are improved to some extent, the occurrence degree of rice blast, banded sclerotial blight and false smut is low, and the yield is also improved to some extent.

Description

technical field [0001] The invention belongs to the technical field of crop cultivation, and in particular relates to a direct seeding cultivation method of hybrid rice Y Liangyou 17. Background technique [0002] Y Liangyou 17 is an indica-type two-line hybrid rice variety selected by Anhui Yuanliang Rice Industry Co., Ltd. It is planted as a one-season direct-seeding rice in the middle and lower reaches of the Yangtze River. It has lodging resistance, high yield, good disease resistance, and high rice quality. Advantages, suitable for popularization and cultivation. However, in the current direct seeding cultivation process, due to improper cultivation management, it is easy to lead to poor growth of rice and high incidence of diseases and insect pests, especially rice blast and rice false smut, which will affect the subsequent rice yield. Contents of the invention [0003] In view of the above technical problems, the object of the present invention is to provide a dire...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G22/22A01G13/00A01C1/00A01C21/00
CPCA01G22/22A01G13/00A01C1/00A01C21/005
Inventor 乔保建肖茂盛任代胜杨家来夏祥华陶元平査取民
Owner YIELEAD RICE IND
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