Method for regulating and improving growth of lawn grass by sludge/rare-earth mixed seed soaking solution

A technology for soaking seeds and turfgrass, applied in the direction of fertilizer mixture, application, seed and rhizome treatment, etc., which can solve the problem of difference in treatment level

Inactive Publication Date: 2015-01-07
TIANJIN NORMAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, the sewage treatment rate and treatment level of countries in the world vary greatly, so it is difficult to give an accurate value for the amount of sludge produced, and the amount of sludge produced is generally estimated based on the amount of sewage treatment

Method used

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  • Method for regulating and improving growth of lawn grass by sludge/rare-earth mixed seed soaking solution
  • Method for regulating and improving growth of lawn grass by sludge/rare-earth mixed seed soaking solution
  • Method for regulating and improving growth of lawn grass by sludge/rare-earth mixed seed soaking solution

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Embodiment 1

[0062] 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.

[0063] where Ce(NO 3 ) 3 ·6H 2 The concentration of O rare earth solution is 100, 200, 300 mg.L -1 .

[0064] La(NO 3 ) 3 ·6H 2 The concentration of O rare earth solution is 100, 200, 300 mg.L -1 .

[0065] method:

[0066] (1) Air-dry the fetched sludge under natural conditions, and use a 2 mm sieve to remove large particles for later use;

[0067] (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;

[0068] (3) Ce(NO 3 ) 3 ·6H ...

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Abstract

The invention discloses a method for regulating and improving growth of lawn grass by a sludge/rare-earth mixed seed soaking solution. 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 100-300 mg.L<-1> Ce(NO3)3.6H2O or La(NO3)3.6H2O. The experimental result indicates that the sludge leaching solution is utilized to lower the production cost of lawn glass, beautify the urban environment, implement the high-efficiency unification of environmental benefit and economic benefit, and promote the ecological construction and sustainable development of society. Meanwhile, the sludge and rare-earth are effectively combined to be applied to lawn growth, thereby having certain practical meanings.

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 improving the growth of turfgrass by adopting sludge rare earth seed soaking liquid adjustment. Background technique [0002] Rare earth is the lanthanide element in the periodic table of chemical elements. It is composed of 15 elements such as lanthanum, cerium, praseodymium, and neodymium, which are very similar in nature, and 17 elements in total, scandium and yttrium, which are very similar in nature to lanthanide elements. They are collectively referred to as rare earth elements. , referred to as rare earth (RE or R). Rare earths can also be called "beneficial phytonutrients". China is rich in rare earth mineral resources and has superior ore-forming conditions, which can be called unique. [0003] In recent years, my country's economy has developed rapidly, the process of industrialization has accelerated, t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01C1/00C05G1/00
Inventor 多立安赵树兰郭菲
Owner TIANJIN NORMAL UNIVERSITY
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