随着国内园林的发展 ,草坪得到了广泛而大量的应用 ,被人们称为园林的底色 ,因此 ,草坪的质量和观赏效果对园林来说至关重要 ,当草坪质量降低或观赏效果不好即称为恶化。1　草坪恶化原因1.1　枯草层　由于草坪草枯死、茎叶及剪草是剪下来草头的积累 ,未分解的有机质积聚成褐色 With the development of the domestic garden, the lawn has been widely and massively applied, which is called the background color of the garden. Therefore, the quality and ornamental effect of the lawn is very important to the garden. When the quality of the lawn is reduced or the ornamental effect is not good That is called deterioration. 1 Lawn deterioration reasons 1.1 Hay grass layer dead grass lawn, stems and leaves and cut grass is cut grass head accumulation, undissociated organic matter accumulate into brown