Organic selenium matrix for cultivating selenium-rich agaricus bisporus and preparing method of organic selenium matrix

A technology of Agaricus bisporus and organic selenium, which is applied to mushroom cultivation, preparation of organic fertilizers, botanical equipment and methods, etc., can solve the problems of unfavorable high-efficiency growth of Agaricus bisporus, large fluctuation of product quality, etc., and achieves a remarkable selenium enrichment effect. , improve conversion rate, overcome the effect of unfavorable factors

Active Publication Date: 2016-10-12
YANGZHOU UNIV
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  • Description
  • Claims
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Problems solved by technology

[0003] In order to solve the problems that the existing selenium-enriched Agaricus bisporus cultivation will be unfavorable to the high-efficiency growth of Agaricus bisporus, and the product quality fluctuates greatly; the invention provides an organic selenium substrate for the cultivation of Selenium-enriched Agaricus bisporus and a preparation method , used in the cultivation of selenium-enriched Agaricus bisporus can effectively solve the above problems

Method used

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  • Organic selenium matrix for cultivating selenium-rich agaricus bisporus and preparing method of organic selenium matrix

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Experimental program
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Effect test

Embodiment 1

[0018] (1) Matrix formula

[0019] The main material is composed of 50% (mass ratio, the same below) corn cob and 42% dry cow dung, and the auxiliary materials are 4% wheat bran, 0.3% urea, 1.0% superphosphate, 0.8% lime, 0.5% nitrogen, phosphorus and potassium compound fertilizer (15-15-15), 1.2% gypsum, and the inorganic selenium additive is 0.2% sodium selenite.

[0020] (2) The preparation of selenium-enriched Agaricus bisporus cultivation organic selenium substrate, the process is as follows figure 1

[0021] 1) Pre-composting fermentation

[0022] Grind the dried cow dung, and evenly adjust the humidity of the cow dung with an aqueous solution of sodium selenite dissolved in 1 / 4 of the total amount, and then continue to adjust the humidity with clean water. Pile it into a strip-shaped material pile with a width of 2.0-2.5m, a height of 1.3-1.5m, and an unlimited length for pre-fermentation for 7 days. At the same time, fully soak the corn cobs with clean water for 7 ...

Embodiment 2

[0033] (1) Matrix formula

[0034] The main material is composed of 48% (mass ratio, the same below) corn cob and 42% dry cow dung, the auxiliary materials are composed of 5% wheat bran, 0.3% urea, 1.2% superphosphate, 1.0% lime, 1.0% gypsum, inorganic selenium The additive is 1.5% sodium selenite.

[0035] (2) Preparation of organic selenium substrate for selenium-enriched Agaricus bisporus cultivation

[0036] 1) Pre-composting fermentation

[0037] Grind the dried cow dung, and evenly adjust the humidity of the cow dung with an aqueous solution of sodium selenite dissolved in 1 / 6 of the total amount, and then continue to adjust the humidity with clean water. Pile it into a strip-shaped material pile with a width of 2.0-2.5m, a height of 1.3-1.5m, and an unlimited length for pre-fermentation for 8 days. At the same time, fully soak the corncobs in clean water for 8 days.

[0038] 2) Primary fermentation

[0039] Pick up corncobs and mix them evenly with pre-fermented co...

Embodiment 3

[0048] (1) Matrix formula

[0049] The main material is composed of 53% (mass ratio, the same below) corn cob and 40% dry cow dung, and the auxiliary materials are 3% wheat bran, 1.4% superphosphate, 1.0% lime, 1.0% nitrogen, phosphorus and potassium compound fertilizer (15-15 -15), composed of 0.3% gypsum, and the inorganic selenium additive is 0.3% sodium selenite.

[0050] (2) Preparation of organic selenium substrate for selenium-enriched Agaricus bisporus cultivation

[0051] 1) Pre-composting fermentation

[0052] Grind the dried cow dung, and evenly adjust the humidity of the cow dung with an aqueous solution of sodium selenite dissolved in 1 / 6 of the total amount, and then continue to adjust the humidity with clean water. Pile it into a strip-shaped material pile with a width of 2.0-2.5m, a height of 1.3-1.5m, and an unlimited length for pre-fermentation for 10 days. At the same time, fully soak the corncobs in clean water for 10 days.

[0053] 2) Primary fermentat...

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Abstract

The invention belongs to the field of edible fungus cultivation and relates to an organic selenium matrix for cultivating selenium-rich agaricus bisporus and a preparing method of the organic selenium matrix. The matrix is prepared from a main material, an auxiliary material and an inorganic selenium additive in a certain mass ratio. Inorganic selenium is added in the raw materials in four times through the gradient fermentation technology, inorganic selenium is converted into organic selenium in the matrix, and the organic selenium matrix for cultivating selenium-rich agaricus bisporus is obtained. By using the matrix for cultivating garicus bisporus, the adverse factors in the traditional selenium-rich cultivation technology are avoided, and the selenium enrichment effect is remarkable. The rate of converting inorganic selenium into organic selenium in the organic selenium matrix for cultivating selenium-rich agaricus bisporus ranges from 50% to 75%; when the matrix is used for cultivating agaricus bisporus, the yield ranges from 13.5 kg / m<2> to 17.5 kg / m<2>, and the content of organic selenium in fresh agaricus bisporus ranges from 1.9 mg / kg to 2.8 mg / kg.

Description

technical field [0001] The invention belongs to the technical field of modern agriculture, and relates to an edible fungus cultivation substrate and a preparation method, in particular to an organic selenium substrate for cultivation of selenium-enriched Agaricus bisporus and a preparation method. Background technique [0002] Agaricus bisporus meat is fat and tender, delicious and refreshing, rich in nutrition, and is deeply loved by people. Agaricus bisporus has been artificially cultivated for more than 300 years. It is the edible fungus variety with the largest number, the widest area and the largest consumer group in the world. my country introduced the artificial cultivation technology of Agaricus bisporus from Japan in the 1930s. Although the cultivation industry of Agaricus bisporus in my country has achieved great development, there are still many unfavorable factors restricting the development of the industry. Selenium is one of the essential trace elements for hu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05F17/00C05G3/00A01G1/04
CPCA01G18/00C05B1/02C05D9/02C05G3/00C05F17/50C05F3/00C05F17/00C05B17/00C05C9/00C05D3/00C05D3/02C05F5/002C05F9/04C05F11/00Y02W30/40
Inventor 胡建赵海涛梅丽娟王进军王悦李青周保春张长权
Owner YANGZHOU UNIV
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