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作者根据临沂地区10几年营造杨树速生丰产林的经验,归纳出6项栽培技术,包括选择造林地、深翻改土、选用良种、合理密度、及时浇水、适时追肥。把该地区的用材林划分为高额丰产林、一般丰产林和一般用材林3类,并分别提出了营林措施指标。文末提出4项建议,即缩小投入产出比例、增加土壤有机质、搞好品种更新、进行定向培育。
According to the experience of 10 years of fast growing and high yield poplars in Linyi area, the author summed up 6 cultivation techniques, including selecting afforestation land, deep soil modification, selecting good seeds, reasonable density, timely watering, timely top dressing. The timber forest in the area is divided into three categories: high-yield forest, general high-yield forest and general timber forest, and separately put forward indicators of forest management measures. At the end of the paper, four suggestions are put forward, that is, to reduce the proportion of input-output, increase soil organic matter, do a good job of updating varieties and conduct targeted cultivation.