地膜大蒜田间管理（一）苗期管理地膜大蒜苗期跨越两个年度，经过冬前、越冬、返青三个时期，历时１８０天。冬前管理是促使大蒜正常萌发出苗，健壮生长。达到苗齐、全、壮。其管理方法：当蒜苗出土２—２５厘米顶起地膜时，可用扫帚轻轻拍打地膜，尖锐的蒜芽破膜而出，... Plastic film and garlic field management (A) seedling management Mulch seedling spanning two years, after winter, winter, green back three, which lasted 180 days. Pre-winter management is to promote the normal emergence of germinating garlic, robust growth. To Miao Qi, all, Zhuang. Its management method: When the garlic seedlings unearthed 2-2.5 cm jacking film, the broom gently tap the film, sharp garlic bud rupture membrane, ...