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Cultivation method for lawns of sloping field type coastal heavy saline-alkali land

A cultivation method and technology for saline-alkali land are applied in the field of turf cultivation on sloping coastal heavily saline-alkali land, which can solve the problems of poor terracing ability, soil erosion, low survival rate, etc., and achieve the effect of obvious effect, not easy to degrade, and high survival rate.

Inactive Publication Date: 2017-09-15
潍坊市园林管理处
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the problems of groundwater level, high groundwater salinity and high evapotranspiration ratio, moreover, the vegetation is even rarer, the ecology is fragile, and the water and soil loss is serious; when cultivating turf on sloping coastal saline-alkali land, the survival rate is low and the lawn-forming ability is poor

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] Embodiment 1, a kind of sloping land type seaside heavy saline-alkali land lawn cultivation method comprises the following steps:

[0040] Step 1 Saline-alkali land selection

[0041] From 2013 to 2016, the research team selected the test site to be located in the coastal heavy saline-alkali land in the north of Weifang City, Shandong Province. It is located in a sloping area with a slope of 28°. The soil surface is silty clay with a pH of 8.5 and high salt content. Less than 4.0%; 60cm below is the fine clay particles of silt formed mainly by marine sediments, the soil is mainly composed of sodium chloride salt, and the average thickness of the arable layer is 30cm.

[0042] Step 2 Salt discharge system laying

[0043] Along the high and low direction of the slope, salt drainage ditches are excavated from the top of the slope to the base of the slope. The depth of the salt drainage ditch is 1m, and buried salt drainage pipes are laid in the ditch. The distance between...

Embodiment 2

[0067] Embodiment 2, a kind of sloping land type seaside heavy saline-alkali land lawn cultivation method comprises the following steps:

[0068] Step 1 Saline-alkali land selection

[0069] From 2013 to 2016, the research team selected the test site to be located in the coastal heavy saline-alkali land in the north of Weifang City, Shandong Province. It is located in a sloping area with a slope of 31°. The soil surface is silty clay with a pH of 8.6 and high salt content. Less than 4.0%; below 60cm is fine clay particles of silt mainly formed by marine sediments, the soil is mainly composed of sodium chloride salt, and the average thickness of the arable layer is 32cm.

[0070] Step 2 Salt discharge system laying

[0071] Along the high and low direction of the slope, excavate the salt drainage ditch from the top of the slope to the base of the slope. The depth of the salt drainage ditch is 1.1m, and the salt drainage pipes are laid in the ditch, and the distance between the...

Embodiment 3

[0095] Embodiment 3, a kind of sloping land type seaside heavy saline-alkali soil lawn cultivation method, comprises the following steps:

[0096] Step 1 Saline-alkali land selection

[0097] From 2013 to 2016, the research team selected the test site to be located in the coastal heavy saline-alkali land in the north of Weifang City, Shandong Province. It is located in a sloping area with a slope of 28°. The soil surface is silty clay with a pH of 8.7 and high salt content. Less than 4.0%; 60cm below is the fine clay particles of silt mainly formed by marine sediments, the soil is mainly composed of sodium chloride salt, and the average thickness of the arable layer is 35cm.

[0098] Step 2 Salt discharge system laying

[0099] Along the high and low direction of the slope, excavate the salt drainage ditch from the top of the slope to the base of the slope. The depth of the salt drainage ditch is 1.2m, and the salt drainage pipes are laid in the ditch, and the distance betwee...

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Abstract

The invention provides a cultivation method for lawns of a sloping field type coastal heavy saline-alkali land. The cultivation method comprises the following steps of laying a salt discharge system, laying an irrigation system, carrying out raw soil preparation, planting festuca arundinacea, planting zoysia matrella, planting perennial ryegrass and carrying out planting post-management. The step of laying the salt discharge system comprises the following steps: digging salt discharge ditches properly along the altitude direction of a sloping field from the top of the sloping field to the base part of the sloping field, wherein the salt discharge ditches are 1m to 1.2m in depth; and laying salt discharge underground pipes in the ditches according to a principle that one pipe is arranged in one ditch. The step of laying the irrigation system comprises the following steps: laying the irrigation system at a position which is 75cm to 80cm in depth below the ground surface, wherein the laying space of irrigation water pipes is 5m; setting up one water spraying pipe every other 5m on each water pipe, wherein each water spraying pipe can extend to be a part which is 15cm to 20cm above the ground surface and a spraying nozzle capable of realizing 360-degree water spraying is mounted at a pipe opening of each water spraying pipe. The cultivation method for the lawns of the saline-alkali land, provided by the invention, has the advantages of rapid lawn formation speed, high lawn survival rate and uneasiness of degradation.

Description

technical field [0001] The invention relates to a lawn cultivation method on saline-alkali land, in particular to a lawn cultivation method on slope-type coastal heavy saline-alkali land. Background technique [0002] As we all know, for the greening of saline-alkali land, the method of soil replacement and greening commonly used at present has caused great damage to the existing cultivated land and ecological environment. [0003] The "original landscaping" technology, which is low in cost and conforms to the development principles of sustainable landscaping, has gradually been paid attention to by people. If the original soil greening is carried out, it will be of great benefit to the sustainable development of the ecological environment, but the original soil greening of saline-alkali land is extremely difficult. [0004] Lawn, as an indispensable vegetation type in the green space ecosystem, not only has the functions of greening and beautifying the soil environment, bu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01B79/02A01G1/00
CPCA01B79/02
Inventor 吴祥春丁世民隋芊蕙王琳袁兴禄韩静潘广昌郝炎辉黄博伟王金禄姜绪敏谭雪
Owner 潍坊市园林管理处
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