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Rice seedling culture method

A technology for rice and rice seeds, applied in the fields of rice cultivation, fertilization methods, botanical equipment and methods, etc., can solve the problems of small production scale, backward science and technology, and shortage of water resources, so as to promote the growth of seedlings, enhance the growth, and increase the yield Effect

Inactive Publication Date: 2017-09-01
颜恒
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] This is a gratifying progress, but with the growth of our country's population, the reduction of cultivated land, the small scale of production, the shortage of water resources, the threat of drought, and the promotion of returning farmland to forests have objectively exacerbated the contradictions in food demand. , coupled with my country's relatively backward science and technology and weak service system, it also shows that there are still various hidden dangers and risks in my country's current food problem that cannot be underestimated
[0004] However, the high-tech genetic modification that we rely on now can change the quality and character of rice, but it cannot increase the yield of crops. At the same time, because the price of genetically modified seeds is much higher than that of ordinary improved seeds, it increases the cost of agricultural planting.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] (1) Nursing

[0022] Seed selection: use 10% sodium chloride solution by mass to float and select seeds, remove the sunken seeds floating on the surface, pull out the plump rice seeds that have settled, wash them with clear water, and set aside;

[0023] Pregermination: Sun-dry the plump rice seeds obtained through selection for 72 hours; soak the seeds in 1% lime water at 15°C for 48 hours; then remove the seeds and wash them with clean water; wrap the seeds with a damp cloth and place them at 35°C 12h in the incubator;

[0024] Sowing: Select a seedling field with high terrain, flat, moderate water seepage, and convenient irrigation and drainage as the land for raising rice seedlings. Dig the seedling field until the soil is finely crushed and the field surface is flat. Deep 12cm; Every mu of seedling field applies pig manure 150kg, nitrogen, phosphorus and potassium compound fertilizer 20kg, and the weight ratio of nitrogen, phosphorus and potassium in the described...

Embodiment 2

[0035] (1) Nursing

[0036] Seed selection: use 10% sodium chloride solution by mass to float and select seeds, remove the sunken seeds floating on the surface, pull out the plump rice seeds that have settled, wash them with clear water, and set aside;

[0037] Pregermination: Sun-dry the plump rice seeds obtained through selection for 48 hours; soak the seeds in 1% lime water at 10°C for 48 hours; then remove the seeds and wash them with clean water; wrap the seeds with a damp cloth and place them at 30°C 16h in the incubator;

[0038] Sowing: Select a seedling field with high terrain, flat, moderate water seepage, and convenient irrigation and drainage as the land for raising rice seedlings. Dig the seedling field until the soil is finely crushed and the field surface is flat. Deep 10cm; Every mu of seedling field applies pig manure 120kg, 22kg of nitrogen, phosphorus and potassium compound fertilizer, and the weight ratio of nitrogen, phosphorus and potassium in the said n...

Embodiment 3

[0046] (1) Nursing

[0047] Seed selection: use 10% sodium chloride solution by mass to float and select seeds, remove the sunken seeds floating on the surface, pull out the plump rice seeds that have settled, wash them with clear water, and set aside;

[0048]Acceleration of germination: sun the plump rice seeds obtained through selection in the sun for 60 hours; soak the seeds in 1% lime water at 15°C for 24 hours; then remove the seeds and wash them with clean water; wrap the seeds in a damp cloth and place them at 35°C 14h in the incubator;

[0049] Sowing: Select a seedling field with high terrain, flat, moderate water seepage, and convenient irrigation and drainage as the land for raising rice seedlings. Dig the seedling field until the soil is finely crushed and the field surface is flat. Deep 15cm; Every mu seedling field applies pig manure 160kg, 18kg of nitrogen, phosphorus and potassium compound fertilizer, and the weight ratio of nitrogen, phosphorus and potassium...

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Abstract

The invention discloses a rice seedling culture method. The seedling culture method includes seed selecting, germination accelerating, sowing and disease and insect damage preventing and treating. The rice seeding culture method is optimized to improve seedling growth vigor and then remarkably increase the rice yield.

Description

technical field [0001] The invention relates to a method for planting crops, in particular to a method for raising seedlings of rice. Background technique [0002] By popularizing academician Yuan Longping's hybrid rice, it not only solves the food problem of China, which accounts for a quarter of the world's population, but also solves the "bottleneck" that is difficult to increase the output of many rice-growing countries in the world, thus greatly helping to alleviate the world food crisis. [0003] This is a gratifying progress, but with the growth of our country's population, the reduction of cultivated land, the small scale of production, the shortage of water resources, the threat of drought, and the promotion of returning farmland to forests have objectively exacerbated the contradictions in food demand. , coupled with my country's relatively backward technology and weak service system, it also shows that there are still various hidden dangers and risks in my country'...

Claims

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Application Information

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IPC IPC(8): A01G1/00A01G16/00A01C1/00A01C21/00C05G1/00
CPCA01C1/00A01C21/005C05F3/00C05G1/00Y02P20/133
Inventor 颜恒汪良月
Owner 颜恒
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