A method of planting energy grass or ornamental grass in coastal saline-alkali land

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

Active Publication Date: 2022-02-08
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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  • A method of planting energy grass or ornamental grass in coastal saline-alkali land
  • A method of planting energy grass or ornamental grass in coastal saline-alkali land
  • A method of planting energy grass or ornamental grass in coastal saline-alkali land

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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 soil improvement in coastal saline-alkali land, and specifically relates to a method for planting energy grass or ornamental grass in coastal saline-alkali land. A compound bio-improvement agent prepared by mixing vegetable waste, biochar and polypeptide preparations is added to the mixture. The method of the present invention can effectively improve the microenvironment around the coastal saline land and promote the growth and development of plants by adding a composite bio-improvement agent composed of vegetable waste, activated carbon and polypeptide preparations in the coastal saline land; Physical and chemical properties, reduce bulk density, increase field water holding capacity, total porosity, capillary porosity, and at the same time promote the increase of organic carbon content; it can also improve soil microbial flora and its ecological balance, promote the improvement of soil aggregate structure, and effectively improve coastal saline-alkali land soil fertility.

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 Patents(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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