Method for efficiently inhibiting grassland shrub formation

Abstract

The invention relates to a method for efficiently inhibiting grassland shrubby, which comprises the following steps: carrying out first mowing from mid-to-late July to early August, and carrying out second mowing in the flowering period of Caragana microphylla in the second year; monitoring the coverage of the shrub before the second mowing; and when the shrub coverage is less than 10%, cradling is not carried out any more in the current year. The method is easy and convenient to operate and high in implementation speed, and a harvester driver can master the operation method skillfully; the cost generated by cutting is compensated by the collected pasture, so that no extra cost is generated and even profits can be made; caragana microphylla shrub branches on the earth surface can be efficiently removed; enclosing and grazing forbidding are not needed, and the influence on production is small; under annual unmanned aerial vehicle monitoring, the shrub level can be kept at a low degree, and the pasture yield is guaranteed.

Description

technical field [0001] The invention belongs to the technical field of prevention and control of shrub expansion, and in particular relates to a method for efficiently suppressing grassland shrub formation. Background technique [0002] The information disclosed in this background section is only intended to increase the understanding of the general background of the present invention, and is not necessarily taken as an acknowledgment or any form of suggestion that the information constitutes the prior art already known to those skilled in the art. [0003] Shrubification is the phenomenon of increased density, cover and biomass of shrubs. Shrubbery has become the most important way of vegetation type change in arid and semi-arid areas, especially in grasslands in pastoral areas, which has caused a reduction in the amount of pasture that livestock can eat, which has seriously affected the ecosystem and the sustainability of the livestock industry. Continuous development. ...

AI Technical Summary

Problems solved by technology

[0004] However, there is still no very practical and effective method for how to remove shrublandization. Most managers start from the mechanism of the complex internal and external driving factors of shrubby formation, and test and explore how to control the development of shrubby, such as using The further expansion of the bush is controlled by means of enclosure, grazing prohibition and bush mowing

However, the current methods have two deficiencies. First, many methods have not successfully curbed the development of shrublandization. Many scholars have pointed out that the trend of shrubbery is irreversible. It is difficult to break this stable state and restore the shrubland grassland to the original grassland state; second, some methods are indeed effective, but cost a lot of manpower and material resources, and the economy of shrubland areas generally relies on animal husbandry Both the government's financial strength and the economic situation of the herdsmen are slightly inferior, so it is difficult to be promoted on a large scale

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