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Method for improving photosynthetic capacity of tall fescue by adopting saline soil filled waste crumb rubber

A technology of waste rubber particles and tall fescue, applied in chemical instruments and methods, botany equipment and methods, applications, etc.

Inactive Publication Date: 2011-08-24
TIANJIN NORMAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

With the continuous deepening of the experiment, the inventor found through further research that filling the soil with waste rubber particles as the salt layer can improve the grass light and performance of the lawn, but the research on this project has not yet been reported in the literature

Method used

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  • Method for improving photosynthetic capacity of tall fescue by adopting saline soil filled waste crumb rubber
  • Method for improving photosynthetic capacity of tall fescue by adopting saline soil filled waste crumb rubber
  • Method for improving photosynthetic capacity of tall fescue by adopting saline soil filled waste crumb rubber

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0060] (1) Substrate composition: 1000g of sand is placed on the bottom of the container, 20g of waste rubber particles is placed on it, the third layer is 1500g of saline soil, and a layer of 100g of loam is laid on the top; wherein the concentration of saline soil is 0.2% NaCl; Methods: The annual average temperature of the experimental site is 12.3°C, and the average precipitation is 550mm. During the experiment, the average temperature is 23.7°C, and the average precipitation is 380m. Lawn grass is tall fescue;

[0061] (2) After the turfgrass grows stably, 10 plants are randomly selected to measure the plant height, and photosynthesis is measured after 60 days. Afterwards, the aboveground part is mowed, and the stubble height is 3 cm, and the growth is resumed. After the next year's safe winter, 10 plants are randomly selected to measure the second crop The plant height and the aboveground biomass and belowground biomass of the second-crop grass were measured after mowing...

Embodiment 2

[0063] (1) Substrate composition: 1000g sand is placed on the bottom of the container, 20g waste rubber particles are placed on it, the third layer is 1500g of saline soil, and a layer of 100g loam is laid on the top; wherein the concentration of saline soil is 0.8%NaCl; For the method of potting, the annual average temperature of the experimental site is 15°C, and the average precipitation is 680mm. During the experiment, the average temperature is 24.5°C, and the average precipitation is 560mm. 1mm; lawn grass is tall fescue.

[0064] (2) After the turfgrass grows stably, 10 plants are randomly selected to measure the plant height, and photosynthesis is measured after 60 days. Afterwards, the aboveground part is mowed, and the stubble height is 3 cm, and the growth is resumed. After the next year's safe winter, 10 plants are randomly selected to measure the second crop The plant height and the aboveground biomass and belowground biomass of the second-crop grass were measured...

Embodiment 3

[0066] (1) Substrate assembly: 1000g sand is placed on the bottom of the container, 20g of waste rubber particles is placed on it, the third layer is 1500g of saline soil, and a layer of 100g loam is laid on the top; wherein the concentration of saline soil is 0.4%NaCl; Methods: The annual average temperature of the experimental site is 15°C, and the average precipitation is 680mm. During the experiment, the average temperature is 24.5°C, and the average precipitation is 560mm.

[0067] (2) After the turfgrass grows stably, randomly select 10 plants to measure the plant height, measure photosynthesis after 60 days, then mow the aboveground part, leave the stubble height 3cm, and resume growth. After the next year's safe winter, randomly select 10 plants to measure the second crop The plant height and the aboveground biomass and belowground biomass of the second-crop grass were measured after mowing.

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Abstract

The invention relates to a method for improving the photosynthetic capacity of tall fescue by adopting saline soil filled with waste crumb rubber, which is characterized by comprising the following steps of: (1) substrate compound and preparation: placing 1000g of sand at a bottom layer, placing 20g of waste crumb rubber with the diameter of 0.5-1 mm on the bottom layer, placing 1500g of saline soil on the third layer and coating a layer of 100g loam soil on the topside, wherein the saline soil contains 0.2-0.8 percent of NaCl; after tall fescue on a lawn sprout fully and stably, transplanting the tall fescue to an experimental geobotany and deeply burying in soil by adopting a potting method; and (2) after grass on the lawn grows stably, selecting 10 grasses after 60d, measuring the photosynthetic capacity and the biomass liveweight on the ground and underground.

Description

technical field [0001] The invention belongs to the technical field of environmental protection and relates to a rational and safe use method of waste rubber particles. More specifically, it is a method and application of using saline soil to fill waste rubber particles to improve the photosynthetic capacity of tall fescue. Background technique [0002] Soil salinization has become one of the global hot ecological issues and has received extensive attention. In soil salinization control measures, the use of exogenous filling materials such as gypsum, organic polymers, waste fly ash, sand, and various fertilizers can improve the structure of saline soil, accelerate salt discharge, and promote the growth of plants in salinized soil. The purpose of absorbing and utilizing water and nutrients under certain conditions. The research of Zhang Lingyun and Zhao Gengxing showed that the application of saline soil remediation materials can reduce soil salinity, bulk density and pH va...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09K17/18A01G1/00
Inventor 赵树兰多立安
Owner TIANJIN NORMAL UNIVERSITY
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