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Method for improving drought resistance of turf on garbage compost substrate

A technology of garbage composting and drought resistance, applied in gardening methods, botany equipment and methods, gardening, etc.

Inactive Publication Date: 2012-08-01
TIANJIN NORMAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] In this study, rare earths were applied to the cultivation of turf plants, and the effects of rare earths on the physiological and ecological indicators of lawn plants in waste composting substrates were studied under drought stress, and the protective effect of rare earths on turf plants under drought stress was studied; the application of rare earths to municipal solid waste Drought resistance of lawns established with compost as a substrate has not been reported

Method used

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  • Method for improving drought resistance of turf on garbage compost substrate
  • Method for improving drought resistance of turf on garbage compost substrate
  • Method for improving drought resistance of turf on garbage compost substrate

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0069] (1) Select the lawn plant tall fescue ( Festuca arundinacea L.), the domestic waste compost is selected from the waste compost after fermentation in the waste composting plant;

[0070] (2) Apply 0.2 g·kg to the above 60g compost -1 Rare earth lanthanum nitrate, mix well for use;

[0071] (3) Choose 0.5g tall fescue seeds with full grains and sown them in each cup respectively; control the maximum water holding capacity of the compost field to 66%, the severe stress is 35%, and the normal water supply at the beginning of the experiment to ensure the smooth germination of seeds and seedling growth. After a week, water will be given according to the severity of severe stress, and the control of drought degree will be carried out by weighing method;

[0072] (4) During the cultivation period, the laboratory temperature is 15℃, the relative humidity is 30%%, and the light intensity is 450μmol·m -2 ·S -1 .

[0073] (5) Cut the lawn plants all the roots, rinse the above ground with d...

Embodiment 2

[0075] (1) Select the lawn plant tall fescue ( Festuca arundinacea L.), the domestic waste compost is selected from the waste compost after fermentation in the waste composting plant;

[0076] (2) Apply 0.4 g·kg to the above 60g compost -1 Rare earth cerium nitrate, mix well for use;

[0077] (3) Choose 0.5 g of tall fescue seeds with full grains and sown them in each cup respectively; control the maximum water holding capacity of the compost field to 66%, the severe stress is 45%, and the normal water supply at the beginning of the experiment to ensure the smooth germination of seeds and seedling growth. After a week, water will be quantified according to the degree of severe stress, and the degree of drought will be controlled by weighing method;

[0078] (4) During the cultivation period, the laboratory temperature is 28℃, the relative humidity is 40%, and the light intensity is 600μmol·m -2 ·S -1 .

[0079] (5) Cut the lawn plants all the roots, rinse the above ground with distill...

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Abstract

The invention discloses a method for improving drought resistance of turf on garbage compost substrate, which includes: selecting a lawn plant Festuca arundinacea and domestic garbage compost, applying 0.2-0.4Xkg-1 of rare-earth lanthanum nitrate or cerium nitrate per 60g of the compost, and mixing for use; respectively scattering 0.5g of Festuca arundinacea seeds into cups; controlling largest water-holding capacity of the compost in a field to be 66% and severe stress to be 35-50%, normally supplying water early in the experiment to guarantee smooth seed germination and seedling growth, quantitatively feeding water after 2 weeks according to the degree of severe stress, and controlling the degree of drought by weighing process; and finally measuring all indexes. Experimental results show that applying rear earth increases the ratio of chlorophyll a, chlorophyll b, content of total chlorophyll and chlorophyll a / b of Festuca arundinacea under drought stress, so that optical absorption of Festuca arundinacea is enhanced, accumulation of photosynthate is promoted, and stress resistance of the lawn plant Festuca arundinacea is improved.

Description

technical field [0001] The invention belongs to the technical field of environmental protection, and relates to a method for cultivating lawn plants by using compost of municipal domestic garbage as a substrate. More specifically, it is a method for improving the drought resistance of waste compost substrate turf. Background technique [0002] Municipal solid waste compost is rich in organic matter and nutrients such as nitrogen, phosphorus, and potassium, and can be used as a turf culture substrate for urban lawn establishment. The use of urban domestic waste compost for turf culture substrates solves the problem of traditional turf production that consumes fertile soil, saves agricultural land resources, alleviates the current situation of high population pressure and shortage of land resources, and broadens the application of garbage compost, reducing The cost of garbage treatment and the transportation of garbage compost to other places are also conducive to the improve...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G1/00A01G7/00
Inventor 多立安赵树兰李丹
Owner TIANJIN NORMAL UNIVERSITY
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