Simplified planting method for coastal severe saline-alkali soil salt-resistant bermuda grass lawn

A technology of severe saline-alkali land and bermudagrass, which is applied in the field of saline-alkali soil improvement and greening, can solve the problems of poor lawn landscape effect, damage to the ecological environment, and high cost of lawn planting, so as to reduce oxidation and soil fixation, reduce salt damage, and promote The effect of optimization of soil structure

Active Publication Date: 2015-07-15
INST OF BOTANY JIANGSU PROVINCE & CHINESE ACADEMY OF SCI
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Problems solved by technology

[0010] The purpose of the present invention is to provide a light and simplified high-quality salt-tolerant bermudagrass lawn planting method for th

Method used

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  • Simplified planting method for coastal severe saline-alkali soil salt-resistant bermuda grass lawn

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Embodiment 1

[0020] In 2011, in the severe saline-alkali land of Dafeng Port District, Dafeng City, Jiangsu Province, 9 experimental plots were set up, each with an area of ​​4m 2 , Soil improvement measures set up the soil improvement method of this patent, guest soil method and do not do any contrast of soil improvement and totally 3 processes, each processing 3 repetitions. The basic soil condition is pH8.3, organic matter 0.34%, total nitrogen 0.01%, available phosphorus 6.12ppm, available potassium 512.2ppm, 0-10cm soil salinity 14.7‰, 10-20cm soil salinity 9‰. The salt-tolerant lawn variety 'Yangjiang' bermudagrass was selected.

[0021] (1) Surface weeding: there are only sporadic Suaeda salsa plants on the ground, which can be manually removed directly;

[0022] (2) Terrain: the test site is artificially leveled, and large stones and rubble within 20cm of the ground are removed;

[0023] (3) Preparation of soil improver: The ingredients and dosage of the improver are 1000kg / mu of...

Embodiment 2

[0032] In 2012, the severe saline-alkali land in Dafeng Port District, Dafeng City, Jiangsu Province, with a demonstration area of ​​1000m 2 .

[0033] The basic soil condition is pH8.2, organic matter 0.45%, total nitrogen 0.02%, available phosphorus 9.2ppm, available potassium 452.3ppm, 0-10cm soil salinity 12.5%, 10-20cm soil salinity 8.7‰. The salt-tolerant cultivar 'C291' bermudagrass was selected.

[0034] (1), surface weeding: there are some halophytes of Chenopodiaceae and Asteraceae on the ground, use glyphosate (containing 41% glyphosate isopropyl ammonium salt) 150 times liquid 45L / acre consumption direction to spray to the green blade above, to kill weeds that have grown;

[0035] (2) To make the terrain: use an excavator to make a preliminary leveling of the demonstration site, and then use a rotary tiller in the east-west direction and north-south direction for three times, with a depth of 20cm, for further leveling; clear the ground within 20cm Stones and rub...

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Abstract

The invention relates to a simplified planting method for a coastal severe saline-alkali soil salt-resistant bermuda grass lawn. The method is combined with simple soil improvement measures by utilizing a salt-resistant lawn type bermuda grass material, and the purpose of quickly planting a high-quality lawn on coastal severe saline-alkali soil can be achieved without changing soil. The technical scheme comprises lawn bed preparation, preparation of a soil improvement agent, application of the soil improvement agent, planting and pavement of sod, and watering management after planting. Without using the engineering measures such as soil dressing method, fresh water flooding and dark drainage salt-leaching method ordinarily adopted on present production of severe saline-alkali soil, the high-quality lawn can be quickly planted on coastal salified original soil directly by needing simple oil improvement only; the problem that a plough layer in a borrowing area is broken to influence the ecological environment of the plough layer caused by the soil dressing method is solved while the greening cost of the lawn in coastal saline and alkaline areas is greatly reduced; the method is an efficient path for solving the greening of the coastal severe saline-alkali soil, and has extremely high popularization and utilization values.

Description

technical field [0001] The invention discloses a light and simplified planting method of salt-tolerant bermudagrass lawn in severe saline-alkali land along the coast, and relates to the field of soil improvement and greening of saline-alkali land. Background technique [0002] my country has more than 2 million hectares of coastal tidal flats. In 2009, "Jiangsu Coastal Development" was upgraded to a national strategy, which brought new opportunities for the development of coastal tidal flats and greatly increased the number of saline-alkali landscaping projects. The soil in coastal beaches is not only high in salinity, but also seriously deficient in nutrients, especially nitrogen, phosphorus and some trace elements. These unfavorable soil conditions severely limit the development of greening and become a difficult problem in the establishment of high-quality lawns in saline-alkali land. [0003] Researchers at home and abroad in the area of ​​lawn establishment in severe s...

Claims

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Application Information

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IPC IPC(8): A01G1/00C05G1/00
Inventor 陈静波宗俊勤刘建秀蒋乔峰郭海林郭爱桂
Owner INST OF BOTANY JIANGSU PROVINCE & CHINESE ACADEMY OF SCI
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