A kind of substrate for raising rice seedlings and its preparation method

A technology for raising seedling substrates and rice, applied in the field of cultivation, can solve the problems of weak growth of rice seedlings, difficult to break through soil and sprout, poor growth conditions, etc., and achieve the effects of robust seedling root system, convenient field transportation, and uniform growth conditions.

Active Publication Date: 2020-05-26
CHONGQING ACAD OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But, at present, bamboo powder is used for the preparation of paddy substrate, and bamboo powder is easily mixed with other materials to form agglomerates, and the prepared substrate is used to cultivate rice seedlings. Technical problems such as low yield and poor growth status need to be resolved urgently

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] A kind of preparation method of paddy rice seedling raising matrix, it is to comprise the following steps to make:

[0017] 1. According to the volume of 7 parts of bamboo powder, 1 part of fermented cow dung, 1 part of humic acid, and 1 part of fly ash, add 0.3% of the total mass of the above powder. Mix evenly, keep the humidity at 65%, the maximum temperature of the compost reaches 65°C, ferment for 7 days, pulverize with a chain or chip grinder, and pass through a 20-mesh sieve to obtain the substrate;

[0018] 2. Choose a plastic hard disk, the outer diameter of the disk is 68 cm long, 33 cm wide, 66 cm long, 31 cm wide, and 2 cm deep;

[0019] 3. Add the substrate in step 1 to the plastic hard disk in step 2. After loading, the thickness of the substrate for seedling cultivation in the tray is 1.5 cm, and the seeds are evenly sprinkled, and then cover the substrate with 0.5 cm, and add water to completely moisten the substrate for seedling cultivation in the tray....

Embodiment 2

[0023] A kind of preparation method of paddy rice seedling raising matrix, it is to comprise the following steps to make:

[0024] 1. According to the volume of 6 parts of bamboo powder, 1 part of fermented cow dung, 0.8 part of humic acid, and 0.8 part of fly ash, add 0.3% of the total mass of the above powder. Mix evenly, keep the humidity at 65%, the maximum temperature of the compost reaches 65°C, ferment for 7 days, pulverize with a chain or chip grinder, and pass through a 10-mesh sieve to obtain the substrate;

[0025] 2. Choose a plastic hard disk, the outer diameter of the disk is 68 cm long, 33 cm wide, 66 cm long, 33 cm wide, and 2 cm deep;

[0026] 3. Add the substrate in step 1 to the plastic hard disk in step 2. After loading, the thickness of the substrate for seedling cultivation in the tray is 2 cm, and the seeds are evenly sprinkled, and then cover the substrate with 1 cm. Add water to completely moisten the substrate for seedling cultivation in the tray. Wh...

Embodiment 3

[0029] A kind of preparation method of paddy rice seedling raising matrix, it is to comprise the following steps to make:

[0030] 1. Take 8 parts by volume of bamboo powder, 1.2 parts of fermented cow dung, 1 part of humic acid, and 1.2 parts of fly ash, then add 0.3% of the total mass of the above powders. Mix evenly, keep the humidity at 65%, the maximum temperature of the compost reaches 65°C, ferment for 7 days, pulverize with a chain or chip grinder, and pass through a 10-mesh sieve to obtain the substrate;

[0031] 2. Choose a plastic hard disk, the outer diameter of the disk is 72 cm long, 36 cm wide, 70 cm long, 35 cm wide, and 2 cm deep;

[0032] 3. Add the substrate in step 1 to the plastic hard disk in step 2. After loading, the thickness of the substrate for seedling cultivation in the tray is 1.8 cm, sprinkle the seeds evenly, cover the substrate with 0.7 cm, add water to fully moisten the substrate for seedling cultivation in the tray, When the water content re...

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Abstract

The invention discloses a rice seedling culturing matrix. The rice seedling culturing matrix is composed of bamboo powder, fermented cow dung, humic acid and pulverized fuel ash. During preparation, lumping and clustering are avoided; compared with a traditional matrix, seeds can be directly placed into the seedling culturing matrix, the step of germination acceleration is omitted, the amount of labor is decreased, and efficiency is improved. With the matrix, when rice seedlings are cultured, rice sprouts break through soil powerfully, and completely break through the soil after three days, the rate of soil breakthrough and the sprouting ratio are up to 100% separately, the rate of soil breakthrough at the first day after seeding is 0%, the sprouting ratio is 10%, the rate of soil breakthrough at the second day is 30%, the sprouting ratio is 42%, the rate of soil breakthrough at the third day is 100%, the sprouting ratio is 100%, root systems of the seedlings are robust, the survival rate is high and can be up to 100%, and growth conditions are uniform and good; 24 days after the seedlings are cultured, planting can be performed through mechanized transplanting. The raw materials of a formula belong to waste, the waste is recycled, price is low, a preparation method is simple and easy to implement, the weight of the product is light, the weight of one tray of seedlings is about4 kilograms, field transportation is convenient, labor costs are lowered, and the rice seedling culturing matrix is worthy of popularization in the market.

Description

technical field [0001] The invention mainly relates to the field of cultivation technology, in particular to a rice seedling raising substrate and a preparation method thereof. Background technique [0002] After experiencing a large-scale snow disaster across the country in 2010, industrialized seedling cultivation has gradually been accepted by many people of insight in agriculture, which has also greatly promoted the research on the application of seedling substrates. The most commonly used substrate materials are peat, rock wool, vermiculite, perlite, bagasse, mushroom residue, gravel and ceramsite. At present, rock wool and peat are the most widely used in the world, and are recognized as ideal cultivation substrates in the world. However, with the large-scale use year by year, its negative effects on society and the ecological environment are becoming more and more obvious. On the one hand, because rock wool is not degradable, extensive use will cause secondary pollut...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G24/20A01G24/10A01G24/22C05G1/00
CPCA01G24/10A01G24/20A01G24/22C05D9/00C05F3/00C05F11/00C05F11/02C05F11/08
Inventor 廖敦秀胡留杰杭晓宁张健马连杰张慧余端
Owner CHONGQING ACAD OF AGRI SCI
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