一、“钻空子法”及其由来“钻空子法”就是在草山草坡建设中,利用原有植被生长不利的时机,生长将要停止、枯萎凋零,进入休眠的机会,保留原生植被,(当时盖度一般应85％以下,草层高度高者盖度可低些,草层高度低者盖度可高些)。不处理地面,补播所需要并适合于当时季节生长的牧草,从而使补播牧草的幼苗得到地面空间而获取光合作用所需的阳光, First, the “empty drilling sub-law” and its origin “drilling empty sub-law” is in grassland slope construction, the use of the original growth of unfavorable vegetation, growth will have to stop, withered and withered, into dormancy opportunities, to retain native vegetation, Generally should be less than 85%, grass height may be lower for those with a higher height, grass height may be higher for those with a higher height). Do not deal with the ground, replanting needs and is suitable for the growth of the pasture season, so that the replanting of pasture grass seedlings get the space for sunlight and photosynthesis,