【摘要】 破土切根复壮促生技术是草地改良的重要技术之一,破土切根机械化技术标志着草地改良的技术水平。近年来,随着我国逐渐实施草地保护性改良,破土切根复壮促生技术的研究和切根机的研制已受到广泛的关注,并有了一定的发展。为此,阐述了在牧草复壮促生过程中进行破土切根的原因、作用和机理;介绍了目前国内外牧草切根机械的技术原理及特点;分析了国内外牧草切根机械的发展现状及趋势;提出了当前我国牧草切根机械发展中存在的主要问题和采取的措施。更多还原

【Abstract】 Herbages root-cutting is the one of the most important technologies of grassland improvement and it symbolized the level of the technology of grassland improvement.With the grassland improvement is gradually carried out in China these years,the research of herbages root-cutting and root-cutting machines has been emphasized on and it has developed a lot.This paper stated the current situation of the reasons,effects and mechanism in the Grazing root-cutting;introduced the major types and characteristics of machinery for grassland improvement used at home and abroad currently;elaborated the trend and development present situation of machinery for grassland improvement in China and analyzed its opportunities and existing problems in the development.更多还原