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Method for planting energy grass or ornamental grass on coastal saline and alkaline land

A technology for energy grass and ornamental grass, which is applied to the field of planting energy grass and ornamental grass in coastal saline-alkali land, can solve problems such as low vegetation coverage, and achieve the effects of improving soil fertility, improving growth, and promoting organic carbon content.

Active Publication Date: 2020-04-28
BEIJING ACADEMY OF AGRICULTURE & FORESTRY SCIENCES
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, due to soil salinization, the vegetation coverage in the coastal saline-alkali area is relatively low. In the coastal saline-alkali area of ​​Caofeidian District, Tangshan City, Hebei Province, there are only a few sporadic plants with strong salt-alkali tolerance such as Suaeda glauca. growth, it is necessary to take long-term and effective improvement measures to solve its ecological and environmental problems

Method used

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  • Method for planting energy grass or ornamental grass on coastal saline and alkaline land
  • Method for planting energy grass or ornamental grass on coastal saline and alkaline land
  • Method for planting energy grass or ornamental grass on coastal saline and alkaline land

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Experimental program
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Embodiment 1～3

[0060] Embodiments 1 to 3 relate to methods for planting energy grass and ornamental grass in coastal saline-alkali land, including the following steps:

[0061] (1) Improvement of coastal saline-alkali land:

[0062] In late April 2019, in three coastal saline-alkali lands, bulldozers were used to level the coastal saline-alkali lands, and excavators plowed the soil 50 cm deep to form a leaching layer; mechanical rotary tillage was used once; set up test plots: There are 96 experimental plots in the three coastal saline-alkali lands of moderate and severe levels, with a size of 5.0m×6.0m.

[0063] Dig small drainage and salt ditch around each test plot, and establish interconnected small drainage and salt systems. The depth of the small drainage and salt ditch is 0.5m, and the width of the upper mouth and the bottom of the ditch are 1.0m and 0.5m respectively. The small-scale drainage and salt-spraying system in the test area is connected with the large-scale drainage and s...

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Abstract

The invention belongs to the field of coastal saline and alkaline land soil amelioration, and particularly relates to a method for planting energy grass or ornamental grass on coastal saline and alkaline land. The main improvement part of the method disclosed by the invention is that in an energy grass and ornamental grass plantation process, a compound biological ameliorant prepared by mixing vegetable waste, biochar and polypeptide preparations is added into a plantation hole. According to the method disclosed by the invention, since the compound biological ameliorant prepared by mixing thevegetable waste, the biochar and the polypeptide preparations is added into the coastal saline and alkaline land, a microenvironment around the coastal saline and alkaline land can be effectively improved so as to accelerate plant to grow and develop; the physicochemical properties of the coastal saline and alkaline land can be improved, volume weight is lowered, field water-holding capacity, total porosity and capillary porosity are improved, and meanwhile, the content of organic carbon is accelerated to improve; and soil microbial florae and ecological balance thereof can be improved, a soilgranular structure is accelerated to improve, and the soil fertility of the coastal saline and alkaline land is effectively improved.

Description

technical field [0001] The invention belongs to the field of soil improvement in coastal saline-alkali land, and in particular relates to a method for planting energy grass and ornamental grass in coastal saline-alkali land. Background technique [0002] Our country has up to 1.8×10 4 km of coastline, the coastal area is vast, and in the Bohai Rim alone, the area of ​​coastal tidal flats and saline-alkali wasteland reaches 6.8×10 5 hm 2 , as a reserve arable land resource development potential is huge. However, due to soil salinization, the vegetation coverage in the coastal saline-alkali area is relatively low. In the coastal saline-alkali area of ​​Caofeidian District, Tangshan City, Hebei Province, there are only a few sporadic plants with strong salt-alkali tolerance such as Suaeda glauca. To grow, it is necessary to take long-term and effective improvement measures to solve its ecological environment problems. [0003] Biological improvement refers to the applicatio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G22/00A01B79/02C09K17/40C09K101/00C09K109/00
CPCA01G22/00A01B79/02C09K17/40C09K2101/00C09K2109/00
Inventor 侯新村郑瑞伦孙宇胡艳霞滕文军郭强
Owner BEIJING ACADEMY OF AGRICULTURE & FORESTRY SCIENCES
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