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Method for regulating growth of festuca arundinacea in hot summer environment by sludge mixed seed soaking solution

A technology of seed soaking solution and tall fescue, applied in the directions of horticultural methods, plant growth regulators, plant growth regulators, etc.

Inactive Publication Date: 2015-06-03
TIANJIN NORMAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, there is no report on the effect of sludge rare earth extract on tall fescue under hot conditions in the field

Method used

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  • Method for regulating growth of festuca arundinacea in hot summer environment by sludge mixed seed soaking solution
  • Method for regulating growth of festuca arundinacea in hot summer environment by sludge mixed seed soaking solution
  • Method for regulating growth of festuca arundinacea in hot summer environment by sludge mixed seed soaking solution

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Embodiment 1

[0063] A sludge rare earth soaking solution, which is composed of a sludge extract solution and a rare earth solution in parts by weight of 1:1; wherein the sludge extract refers to the sludge:distilled water ratio by weight and number After being mixed at 1:2, place it for 24h and filter to obtain the required sludge extract; the rare earth solution refers to Ce(NO 3 ) 3 ·6H 2 O or La(NO 3 ) 3 ·6H 2 O aqueous solution.

[0064] where Ce(NO 3 ) 3 ·6H 2 The concentration of O rare earth solution is 200, 300, 400 mg.L -1 .

[0065] La(NO 3 ) 3 ·6H 2 The concentration of O rare earth solution is 200, 300, 400 mg.L -1 .

[0066] method:

[0067] (1) Air-dry the fetched sludge under natural conditions, and use a 2 mm sieve to remove large particles for later use;

[0068] (2) Then put the sludge in distilled water in a ratio of 1:2 by weight and place it in a container for 24 hours, then filter to obtain the required sludge extract;

[0069] (3) Ce(NO 3 ) 3 ·6H ...

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Abstract

The invention discloses a method for regulating growth of festuca arundinacea in a hot summer environment by a sludge mixed seed soaking solution, which comprises the following steps: the sludge / rare-earth mixed seed soaking solution is composed of a sludge leaching solution and a rare-earth solution in a weight ratio of 1:1, wherein the sludge leaching solution is prepared by mixing sludge and distilled water in a weight ratio of 1:2, standing for 24 hours and filtering; and the rare-earth solution is a water solution containing 200-400 mg.L<-1> Ce(NO3)3.6H2O or La(NO3)3.6H2O. The experimental result indicates that the sludge mixed seed soaking solution can induce the accumulation of the seedling in-vivo proline, and can maintain the proline on a high level in the strong light and heat activation process, thereby enhancing the growth property of the festuca arundinacea in the field under high-temperature conditions in summer.

Description

technical field [0001] The invention belongs to the technical field of environmental protection and relates to urban afforestation, in particular to a method for regulating the growth of tall fescue in a hot summer environment with sludge rare earth mixed seed soaking liquid. Background technique [0002] In recent years, rare earths have been hailed as industrial vitamins and are widely used in national defense, aerospace, electronics, new energy and other fields. On the one hand, rare earths can promote the growth of roots, and on the other hand, they can promote the occurrence of adventitious roots. formation plays a very important role. It can increase the chlorophyll content of plants, deepen the leaf color, and increase the respiration intensity of the value, thereby accelerating the transformation of matter and energy. It can promote the growth of forest tree seedlings, and promote the absorption and accumulation of nutrients, so that high-quality seedlings can be ob...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N59/20A01P21/00A01G1/00A01N59/16
CPCA01G7/06A01G22/00A01N59/16A01N59/20A01N2300/00
Inventor 多立安赵树兰郭菲
Owner TIANJIN NORMAL UNIVERSITY
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