一、定期耙松草坪下的表土层。公园的草坪由于受游览的人们频繁踩踏以及修剪草坪时机械操作的滚压,草坪下的表土层经常处于密实状态,这就有碍于草坪土壤的疏通透气,有碍于草对于水分、养分的吸收,影响草的生长。要改善这种状态,首先应注意定期用刺钉耙或钗耙耙松草坪下的表土层,深度约为3—4英寸。这样,有利于草坪下 First, regularly rake loose topsoil under the lawn. The lawn in the park is often densely packed with the top soil under the lawn due to frequent foot traversal by the excursionists and the rolling of the lawn mowing machinery. This impedes the clear and breathable of the soil of the lawn and prevents the grass from damaging the water, nutrients Absorption, the impact of grass growth. To improve this state, first of all should pay attention to regularly raspberry rake or hairpin rake lawn surface layer, the depth of about 3-4 inches. In this way, is conducive to the lawn