Measures for protection to frost are proposed, including selecting favorable topography and frost-resistant cultivars, smoking and summer pruning.
提出预防霜冻的措施，主要包括：选择有利地形、选择抗霜冻品种、采取熏烟和夏季修剪等措施。
As mentioned above, We must lag stress on selection of planting sites and improvement of cultural measures, especially selection of frost-resistant...
应注重宜林地的选择及栽培措施的改进，抗寒品种是关键。
As mentioned above, We must lag stress on selection of planting sites and improvement of cultural measures, especially selection of frost-resistant...
应注重宜林地的选择及栽培措施的改进，抗寒品种是关键。
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