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Disease-resistant rice planting method

A planting method and rice technology, applied in the fields of rice cultivation, fertilization, seed and rhizome treatment, etc., can solve the problems of weak disease resistance, more pesticide residues in rice, low yield, etc., and achieve less residue, strong disease resistance, high yield effect

Inactive Publication Date: 2019-03-26
沈阳市北星水稻研究所
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a large agricultural country in my country, the yield and quality of rice are directly related to the physical health of the people. However, the existing rice planting methods have low yields and weak disease resistance. They need to use a large amount of pesticides, and the resulting rice has many pesticide residues. Can not meet the needs of growing agriculture

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] The invention provides a method for planting disease-resistant rice, which comprises the following steps:

[0019] S10. Breeding: Select seeds with a purity of 98%, a clarity of 98%, a germination rate of 90%, and a water content of 15%, and choose sunny days to dry the seeds for 1-2 days, turn them 3-4 times a day, and use a density of 1.08t / m 3 Seed selection in yellow mud water or salt water, measure its specific gravity with a Baume hydrometer, fish out the grains, and then rinse the seeds with clear water. When the water absorption of the seeds increases to 25% of the seed weight, pull out and accelerate the germination. The length of the buds is 0.1cm. After spreading out the buds to dry for 6 hours, they can be sown;

[0020] S20. Soil preparation and making beds: choose dry fields, garden fields or courtyards for seedling cultivation, and use open and closed upper ventilated wide beds for seedling cultivation. The bed width is 1.8m, and the bed length is 10m to ...

Embodiment 2

[0027] The invention provides a method for planting disease-resistant rice, which comprises the following steps:

[0028] S10. Breeding: select seeds with a purity of 99%, a clarity of 99%, a germination rate of 95%, and a water content of 10%, and choose sunny days to dry the seeds for 2 days, turn them 3 to 4 times a day, and use a density of 1.1t / m 3 Seeds are selected in yellow mud water or salt water, and the specific gravity is measured with a Baume hydrometer, and the grains are removed, and the seeds are rinsed with clean water. When the water absorption of the seeds increases to 25% of the seed weight, the germination is accelerated, and the length of the buds is 0.1cm~ The limit is 0.2cm, and the seeds can be sown after spreading out the buds for 8 hours;

[0029] S20. Soil preparation and making beds: choose dry fields, garden fields or courtyards for seedling cultivation, and use open and closed upper ventilated wide beds for seedling cultivation. The bed width is ...

Embodiment 3

[0036] The invention provides a method for planting disease-resistant rice, which comprises the following steps:

[0037] S10. Breeding: choose seeds with a purity of not less than 98%, a clarity of not less than 98%, a germination rate of not less than 90%, and a water content of not more than 15%. Choose sunny days for 2 days, and flip 3 to 4 times a day. times, with a density of 1.0t / m 3 Seeds are selected in yellow mud water or salt water, and the specific gravity is measured with a Baume hydrometer, and the grains are removed, and the seeds are rinsed with clean water. When the water absorption of the seeds increases to 25% of the seed weight, the germination is accelerated, and the length of the buds is 0.1cm~ The limit is 0.2cm, and the seeds can be sown after spreading out the buds for 7 hours;

[0038] S20. Soil preparation and making beds: choose dry fields, garden fields or courtyards for seedling cultivation, and use open and closed upper ventilated wide beds for ...

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Abstract

The invention provides a disease-resistant rice planting method and relates to the technical field of rice planting. The method disclosed by the invention comprises the following steps: breeding, soilpreparation and bedding; seeding; fertilizing; irrigating; and harvesting. The rice planted by the method disclosed by the invention is high in yield and excellent in disease resistance, and the obtained paddy has less pesticide residues.

Description

technical field [0001] The invention relates to the technical field of rice planting, in particular to a method for planting disease-resistant rice. Background technique [0002] As of 2000, there were at least 114 countries producing rice in the world, with a total planting area of ​​1.54 billion hectares. Among them, countries with an annual planting area of ​​more than 1 million hectares include China, India, Indonesia, Japan, South Korea, Bangladesh, Pakistan, Myanmar, Thailand, Vietnam, the Philippines, Nigeria, Brazil and the United States. [0003] China is the largest rice producer in the world, and its annual rice production accounts for about 32%-35% of the world's total rice production (India has the largest rice planting area, but its per unit yield is low, so its total production is not as good as China's). China is also one of the countries with the highest rice yield per unit area in Asia, ranking third after South Korea and Japan. [0004] Rice is one of th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01C1/00A01C21/00A01G22/22
CPCA01C1/00A01C21/005
Inventor 叶忠言
Owner 沈阳市北星水稻研究所
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