Method for enhancing drought resistance of lawn by adopting fine garbage compost leaching solution

A technology of garbage composting and extracting liquid, applied in the direction of botany equipment and methods, applications, organic fertilizers, etc.

Active Publication Date: 2010-10-27
TIANJIN NORMAL UNIVERSITY
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  • Description
  • Claims
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  • Method for enhancing drought resistance of lawn by adopting fine garbage compost leaching solution
  • Method for enhancing drought resistance of lawn by adopting fine garbage compost leaching solution
  • Method for enhancing drought resistance of lawn by adopting fine garbage compost leaching solution

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0049] (1) First remove all kinds of wood, plastic, glass, metal and other sundries, then dry at 105°C to constant weight, and sieve compost with a particle size of 1700nm. Compost with a particle size of 1700nm was crushed at 24000 rpm for 3 minutes, 6 minutes, and 9 minutes to prepare compost with different particle sizes. The particle sizes of the obtained compost after treatment are 300nm, 240nm and 100nm, respectively. For the convenience of expression in the text, in order of compost particle size from large to small, the above three particle size composts are referred to as: compost 4, compost 5 and compost 6. , 1700nm particle size compost as a control (CK). Perennial ryegrass (Lolium perenne L.) and tall fescue (Festuca arundinacea L.) seeds with plump and uniform grains were selected as experimental materials. Among them, the organic matter content in the compost is 22.00%, and the bulk density is 0.79g.cm -3 , pH value 7.62, porosity 67.98%, saturated water conten...

Embodiment 2

[0054] Others are the same as example 1. The 300nm, 240nm and 100nm particle size composts were rinsed with distilled water at a weight fraction ratio of 15:1, each treatment was repeated 3 times, and the rinse solution collected after the rinse was used as a spray solution;

[0055] According to the lawn matrix, 150g of soil (loam) per pot, sow lawn plants (ryegrass or tall fescue) 0.5g / pot, at the initial stage of sowing, fully water each pot to ensure smooth germination of seeds and initial growth of seedlings, two weeks Finally, spray compost 6 according to the stress level of 55% of the water capacity in the field, and then weigh and spray compost 6 every one to two days to maintain within the range of stress; the experiment lasts for 60 days, and then the lawn plants are cut off at the root, and each index is measured . The effect of spraying compost 6 was the best, and the plant heights of ryegrass and tall fescue reached the highest. After spraying this compost, the p...

Embodiment 3

[0058] (1) First remove all kinds of sundries from the domestic waste compost, then dry it at 105°C to constant weight, and crush the compost with a particle size of 1700nm at 24000 rpm to prepare compost with different particle sizes of 300nm, 240nm and 100nm Garbage fertilizer;

[0059] (2) Use distilled water to rinse the compost with a particle size of 300nm, 240nm and 100nm in a ratio of 15:1 by weight fraction, repeat each treatment 3 times, and use the rinse solution collected after the rinse as a spray solution;

[0060] (3) The pot test adopts plastic pots with a diameter of 7 cm and a height of 10 cm, with 150 g of soil per pot, and 0.5 g of lawn plants per pot. At the initial stage of sowing, each pot is fully watered to ensure that the seeds can germinate smoothly and the seedlings grow early. Two weeks Finally, spray according to the stress level of 55%-65% of the field water capacity, and carry out weighing spraying every one to two days to maintain the stress ra...

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Abstract

The invention relates to a method for enhancing the drought resistance of a lawn by adopting fine garbage compost, which comprises the following steps of: preprocessing urban domestic garbage compost, pulverizing the compost with the grain diameter of 1700nm at 24000 revolutions/minute and preparing garbage micro-compost with different grain diameters of 300nm, 240nm and 100nm; leaching the compost with the grain diameters by using distilled water according to the proportion of 15:1 in parts by weight and collecting leacheate as spraying liquid for the leaf surfaces of plants; adopting plastic pots with the diameter of 7cm and the height of 10cm for a pot culture experiment, filling 150g of soil into each pot, sowing lawn plants according to 0.5g/pot, ensuring that seeds can germinate successfully and seedlings grow at an initial stage, spraying the leaf surfaces after two weeks according to 55 to 65 percent of the stress degree of the field moisture capacity and afterwards weighing every one to two days so as to maintain the water content within a stress range; and carrying out an experiment for 60d continuously, then cutting up the lawn plants and measuring various indexes. An experimental result shows that compost leaching solutions with different grain diameters, which are sprayed to the leaf surfaces, can relieve the injury of drought stress to the lawn plants and act as the functions of drought defying and moisture retention.

Description

technical field [0001] The invention belongs to the technical field of environmental protection and relates to the reasonable use of composting of municipal domestic garbage. More specifically, it is a method for improving the drought resistance of lawn by using the fine waste compost extract. Background technique [0002] Lawns play an important role in urban greening, environmental protection and ecological balance. The planting and maintenance of turfgrass requires a lot of water; the large demand for irrigation water makes the maintenance cost of turfgrass extremely high. develop. Fertilization treatment is one of the most important management methods in the lawn maintenance and management system. In order to supplement the shortage of nutrient supply in the lawn soil in time, fertilization is often used to maintain the quality of the lawn at a high level. However, urban artificial turf is not as drought-tolerant as natural grass, especially poor thirst tolerance. Th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G1/00C05F9/04C05G5/00
CPCY02A40/20
Inventor 多立安赵树兰
Owner TIANJIN NORMAL UNIVERSITY
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