Improved environmentally-friendly flue-cured tobacco seedling matrix and method for preparing same

A seedling-raising substrate and an environmentally-friendly technology, which is applied in the field of improved environment-friendly flue-cured tobacco seedling-raising substrate and its preparation, can solve the problems of poor substrate permeability and difficult pH control, and achieve low cost effects

Inactive Publication Date: 2012-10-03
福建省烟草公司龙岩市公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention provides an improved environment-friendly flue-cured tobacco seedling raising substrate and a preparation method thereof, which solves the problems of poor substrate permeability and difficulty in controlling pH in the prior art.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0019] Take fresh, pathogenic bacteria-free, and grass-seed-free yellow soil under the soil surface, dry it slightly, then mash it, and sieve it with a sieve plate with a sieve hole of 1 cm. Fully mix 40% commercial carbonized chaff, 20% expanded perlite and 40% yellow soil according to the volume ratio, and then pack into bags for use.

[0020] Put the substrate of the present invention into the seedling raising tray, scrape off the excess substrate on the tray surface, and carry out sowing and subsequent management of the seedbed.

[0021] Application effect: the matrix has good permeability, and the pH is easy to control. The root system of the tobacco seedlings is well developed, the stems are thick, the number of leaves is large, and the leaves are relatively wide. Tobacco seedlings grow normally, and the cost is equivalent to the original environment-friendly substrate of our company.

example 2

[0023] Yellow soil treatment is the same as example 1, fully mixes 40% commercial carbonized chaff, 20% chaff and 40% yellow soil by volume ratio, and then packs into bags for subsequent use. Other sowing and seedbed management are the same as example 1.

[0024] Application effect: the matrix has good permeability, and the pH is easy to control. The root system of the tobacco seedlings is well developed, the stems are thick, the number of leaves is large, and the leaves are relatively wide. Tobacco seedlings grow normally, and the cost is 2 / 3 of the original environment-friendly substrate of our company.

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Abstract

The invention relates to an improved environmentally friendly flue-cured tobacco seedling matrix and a method for preparing the matrix. The matrix comprises 30-50% by volume of carbonized chaff, 10-30% by volume of expanded perlite or chaff and 30-50% by volume of yellow mud. The method for preparing the matrix comprises the following steps: (1) airing the yellow mud, crushing and sieving, and (2) mixing the expanded perlite or chaff, the carbonized chaff and the yellow mud fully and uniformly according to proportion. The matrix has good permeability, easily-trolled pH value and can ensure that the flue-cured tobacco seedlings have developed root systems, stout stems and trunks and prosperous and wide leaves and is low in cost.

Description

1. Technical field [0001] The invention relates to an improved environment-friendly flue-cured tobacco seedling raising substrate and a preparation method thereof. 2. Background technology [0002] The Chinese patent application with the publication number CN101810112A "a new substrate for floating seedling raising of flue-cured tobacco" discloses a new substrate for floating seedling raising of flue-cured tobacco, which is composed of peat 10-30, carbonized chaff 30-50, expanded perlite 10-30, river sand 20-30 mixed by volume share. Although its cost is low, it has a certain effect on reducing the impact on the ecological environment. However, it still needs to use peat soil, and peat soil, also known as peat soil and peat, is a non-metallic mineral resource distributed on the surface of the earth. It is an important natural resource and has been widely used in crop seedling cultivation. Practice. Peat soil is a resource that cannot be regenerated in a short period of ti...

Claims

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Application Information

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IPC IPC(8): A01G9/10
Inventor 曾文龙
Owner 福建省烟草公司龙岩市公司
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