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日前,笔者走访了砀山县蔬菜办有关专家,就农民朋友关心的夏秋菜育苗问题作了采访,现总结如下,供参考。 一、带帽苗 幼苗带帽有二种情况:一是表土过干,使种皮干燥发硬,不易脱落而带帽;二是盖土太薄,种皮受压太轻而使子叶带壳出苗。 防止带帽苗措施:播种时盖土1厘米左右;播种后,保持苗床湿润;刚出土幼苗有带帽现象,可洒些清水或撒湿润细土,以增加湿度,帮助脱壳,对少量带帽苗进行人工挑帽。 二、倒苗 倒苗现象指秧苗生长瘦弱,茎叶柔嫩,秧苗软
Recently, I visited the Dangshan County Vegetable Office experts to farmers and farmers care about summer nursery food nursery problems were interviewed, are summarized below, for reference. First, the hat with seedlings with cap hat There are two kinds of situations: First, the topsoil is too dry, the seed coat dry and hard, not easy to fall off and cap; Second, the soil is too thin, the seed coat pressure is too light and the cotyledons shell Emergence. Prevent hat with hat measures: sowing cover soil about 1 cm; sowing, to keep the seedbed wet; just unearthed seedlings with a hat phenomenon, sprinkle some water or sprinkle fine soil to increase the humidity to help shelling, a small amount of band Hat seedlings capped manually. Second, inverted seedling phenomenon refers to the phenomenon of downy seedlings grow thin, soft stems and leaves, soft seedlings