Method for comprehensively treating spartina alterniflora by cutting and ploughing

Abstract

The invention belongs to the technical field of ecological environment engineering, and specifically discloses a method for comprehensively treating spartina alterniflora by cutting and ploughing. Themethod comprises the following steps: cutting spartina alterniflora ground plants from a blooming stage to an initial stage of a booting stage for making them unable to produce mature seeds, therebymaking spartina alterniflora unable to perform generative propagation and long-distance diffusion through seeds; in winter, ploughing and breaking roots for the spartina alterniflora which is germinated after being cut, breaking spartina alterniflora stem tubers in a dormant period for making the stem tubers unable to perform vegetative propagation in the next year. The method is simple and easy to implement, effectively blocks sexual reproduction and vegetative reproduction of the spartina alterniflora, is good in treating effect, is lower in cost, is small in influences on environment, can naturally recover beach ecological environment, and is especially suitable for controlling the spartina alterniflora in the cold northern intertidal zone in winter.

Description

Technical field [0001] The present invention belongs to the field of ecological environmental engineering technology, in particular to a method of cutting a mutual flourishing integrated structure. Background technique [0002] Mutual rice is a foreign invasion species in many countries and regions. In order to survey the defenders, the land, the land is introduced in 1979, in 1979, due to its strong reproduction and expansion capabilities, and lack of natural enemies Make it proliferation and loss of control, seriously threaten the structure and function of my country's coastal zone, in 2003, the State Environmental Protection Administration included mutual rice grass in my country's first foreign invasive species list. [0003] Domestic and foreign scholars explore various methods of governing mutual rice, including physical methods, chemical methods, and biological alternatives. The chemical method is generally spraying herbicides. Although it is simple and cost-effective, it ...

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Problems solved by technology

[0004] Previous studies have found that almost all Spartina alterniflora can be removed by 2 or more mowings during the critical period, but this technique has major defects: (1) If you want to control Spartina alterniflora by mowing, you must Mow close to the ground so that the height of the root stubble of Spartina alterniflora after mowing is below 2cm or even 0cm. Manual mowing can meet this requirement, but mowing machinery cannot meet the requirements of mowing close to the ground. However, when treating Spartina alterniflora in a large area , must be mechanized, and the stubble height of mowing machinery can be controlled at a minimum of about 10cm. Studies have confirmed that if the stubble height is 10cm, multiple mowings during the critical period (June-August) cannot effectively remove Alternatives. grass; (2) mowing only controlled the sexual reproduction of Spartina alterniflora seeds, and it was difficult to control the asexual reproduction of Spartina alterniflora rhizomes. recover

There are many studies on mowing and flooding in China. For example, in the Yellow River Delta in Dongying, Shandong and Dongtan in Chongming, Shanghai, a comprehensive method of mowing and flooding was adopted to control Spartina alterniflora and achieved good results. However, mowing and flooding are costly to control, dikes are difficult to construct, and require regular maintenance

The comprehensive method of mowing and shading is very difficult to construct, and it is only suitable for small area treatment, and it is difficult to effectively cover and shade large areas of Spartina alterniflora root stubble for a long time

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