论文部分内容阅读
1、严格按标准挖坑在气候干旱、土壤含水量低的情况下必须采取挖大坑、挖深坑、多蓄水的办法。可以根据苗木大小,选择不同规格。胸径2.5cm以上大苗,整地规格为80×80×80cm;胸径1.5cm左右苗木。整地规格为60×60×60cm。 2、严把苗木质量关 (1)选苗。选择生长健壮、无病虫害、无机械损伤等抗性强的苗木。禁用过火圃地的苗木。主要乡村公路绿化选用胸径3cm以上的大苗,河渠及田
1, Digging in strict accordance with the standard In the case of arid climate and low soil water content, digging, digging deep pits and storing more water must be taken. According to seedling size, choose different specifications. DBH 2.5cm above seedlings, site preparation specifications 80 × 80 × 80cm; diameter of about 1.5cm seedlings. Site preparation specifications for 60 × 60 × 60cm. 2, strict seedling quality (1) election Miao. Choose strong growth, no pests, no mechanical damage and other strong seedlings. Banned over the nursery seedlings. The main rural road green selection of more than 3cm diameter seedlings, canals and fields