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Citrus container seedling nutrient soil prepared from biochar

A technology for biochar and container seedlings, applied in the field of nutrient soil, can solve the problems of high cost, difficult to obtain peat substrate for seedling cultivation, etc., and achieves the effects of low cost, promotion of rootstock seedling plant stem thickness, and cost reduction.

Inactive Publication Date: 2017-02-22
HUNAN AGRICULTURAL UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to overcome the disadvantages of the existing citrus container seedling cultivation peat matrix that is difficult to obtain and the cost is high, and provide a citrus container seedling nutrient soil prepared with biochar that is easier to obtain and lower in cost

Method used

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  • Citrus container seedling nutrient soil prepared from biochar
  • Citrus container seedling nutrient soil prepared from biochar
  • Citrus container seedling nutrient soil prepared from biochar

Examples

Experimental program
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Embodiment 1

[0012] Example 1 This example is the optimal formula among 7 nutrient soil formulas using biochar as a container seedling substrate.

[0013] (1) Preparation of biochar: dry citrus branches and leaves, crush them into small pieces of 5-10cm; place in a carbonization furnace and pyrolyze at 500°C for 5 hours to form a type of refractory, stable, and highly aromatic , Solid matter rich in carbon. Crush into powder and pass through a 20-mesh sieve.

[0014] (2) Selection of river sand and sawdust: the river sand is screened by a 1mm mesh screen, the particle size is less than 1mm, and the bulk density reaches 1.35g / cm 3 ; The tree species of sawdust is pine.

[0015] (3) Nutrient soil configuration for citrus container seedlings: mix river sand, sawdust and biochar into a matrix according to the volume ratio. The specific formula and cost are shown in Table 1.

[0016] The nutrient soil rootstock seedlings of citrus container seedlings in this embodiment are planted: The citrus fruit se...

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Abstract

Citrus container seedling nutrient soil prepared from biochar is mainly prepared from river sand, sawdust and the biochar according to the volume ratio of (1-2):(3-4):1. Compared with a turf nutrient soil formula (the ratio of river sand to sawdust to turf is 1:2:1) used in existing production, the nutrient soil formula has the advantages that the cost is reduced by 15% or above, and the stem diameter of stock seedling plants can be increased by 14% and even 20% or above; in addition, the raw material-biochar is wide in source and low in cost.

Description

Technical field [0001] The invention relates to a nutrient soil, in particular to a nutrient soil for citrus container seedlings, and belongs to the technical field of agriculture. Background technique [0002] In order to prevent soil-borne diseases and other dangerous diseases and insects from spreading through citrus seedlings on a large scale, citrus container seedlings are an important foundation for the healthy development of the citrus industry. However, the large-scale popularization and application of citrus container seedlings is restricted by the difficulty of obtaining seedling substrates and high production costs. At present, the seedling substrate formula commonly used in production is river sand: sawdust: peat = 1:2:1. The peat in this formula has always been considered as one of the most ideal substrate materials for seedlings, and is widely used in citrus seedlings. Peat is a product of the development of swamps. It was formed in the Quaternary Period. It is ma...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G9/10
CPCA01G24/00
Inventor 李大志戴素明邓子牛谢玉明李荣华
Owner HUNAN AGRICULTURAL UNIV
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