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Seedling culture substrate and preparation method thereof

A technology for raising seedlings and organic bases, applied in the field of raising seedlings, can solve the problems of difficult survival and high maintenance cost of sandy seedlings, and achieve the effects of realizing recycling and sustainable development, improving survival rate and shortening the period of seedling raising.

Inactive Publication Date: 2020-01-03
铜川市土壤生态技术创研中心 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Facing the harsh ecological conditions in desert areas, it is difficult for sand-grown seedlings to survive, and the maintenance cost is extremely high

Method used

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  • Seedling culture substrate and preparation method thereof
  • Seedling culture substrate and preparation method thereof
  • Seedling culture substrate and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] The corn stalks are pulverized by a universal pulverizer. The length of the pulverized corn stalks does not exceed 2cm, and the moisture content is less than 20%. It enters the roller dust collector for screening and purification; enters the puffing machine for puffing. The operating temperature is 170°C and the pressure is 0.9MPa. The rotation speed is 800r / min, according to the mass ratio of corn stalks: peat (manufacturer: Zhaoqing Hengfa Agricultural Science and Technology Co., Ltd.): perlite (manufacturer: Shanghai Hongjun Gardening Products Co., Ltd.) is 70:20:10 and mixed evenly , made into a seedling substrate. After testing, the pH value is 6.8, the EC value is 0.55ms / cm, the water content is 25%, and the ventilation porosity is 24%.

Embodiment 2

[0021] The caragana is crushed by a universal grinder, the length after crushing is not more than 3cm, and the moisture content is less than 15%. It enters the roller dust collector for screening and purification; enters the puffing machine for puffing, the operating temperature is 180°C, the pressure is 1.0MPa, the screw The rotating speed is 600r / min, according to the mass ratio of puffed lemon sticks: brewer's grains (source: Nanning Nongaigou Agricultural and Sideline Products Operation Department): phosphate rock powder (source: Decheng Chemical Products Operation Department, Licheng District, Jinan City, Shandong Province) is 75:15:10 Mix well to make seedling substrate. After testing, the pH value is 6.6, the EC value is 0.62ms / cm, the water content is 28%, and the ventilation porosity is 22%.

Embodiment 3

[0023] The apple tree branches are crushed by a universal grinder. The length of the crushed apple tree is not more than 3cm, and the moisture content is less than 20%. It enters the roller dust collector for screening and purification; enters the extruder for puffing, the operating temperature is 180 ° C, and the pressure is 1.0 MPa. The screw speed is 800r / min, according to the mass ratio of apple branch puffing material: rice husk (Hunan Hekang Ecological Agriculture Development Co., Ltd.): vermiculite (manufacturer: Shanghai Hongjun Gardening Supplies Co., Ltd.) is 75:15:10 and mixed evenly , made into a seedling substrate. After testing, the pH value is 7.0, the EC value is 0.61ms / cm, the water content is 30%, and the ventilation porosity is 21%.

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Abstract

The invention discloses a seedling culture substrate and a preparation method thereof. The seedling culture substrate comprises an expanded material, an organic substrate material and an inorganic substrate material, wherein the expanded material is expanded agricultural and forestry wastes. The sand shrub seedling culture substrate prepared from the agricultural and forestry wastes is a novel, efficient, safe, and environment-friendly seedling culture substrate, the survival rate of sand shrub seedlings can be improved, furthermore, the seedling culture period can be shortened, and the seedling culture substrate is suitable for mechanical transplantation.

Description

technical field [0001] The invention relates to a seedling-raising substrate, especially a sandy shrub seedling-raising substrate, and a method for preparing a sandy shrub seedling-raising substrate by utilizing agricultural and forestry waste. Background technique [0002] The utilization rate of agricultural and forestry waste resources in my country is only 35%, and the technical level of resource utilization is low. The use of agricultural and forestry wastes to prepare nutrient substrates is an important attempt to realize the development of circular economy. Puffing technology is a compound effect based on physical and chemical reactions. The working principle of the puffing equipment is that after the cut wet agricultural and forestry waste enters the extrusion chamber through the feeding screw, the mechanical energy is directly converted into heat energy, which instantly generates high temperature and high pressure, and suddenly drops at the discharge port to form s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G24/22A01G24/23A01G24/28A01G24/25A01G24/20A01G24/15A01G24/10A01G24/17A01G24/13
CPCA01G24/10A01G24/13A01G24/15A01G24/17A01G24/20A01G24/22A01G24/23A01G24/25A01G24/28
Inventor 孙瑞张亚建刘东巩昊君郭勇姚树萍佘小林
Owner 铜川市土壤生态技术创研中心
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