论文部分内容阅读
速生用材树种泡桐,分布很广,尤以陕西、河南为多。泡桐材质优良,用途广,生长较快,6-7年即可成材,是迅速增加国家建设用材的一个重要途径。近年来,我县人民响应伟大领袖毛主席“绿化祖国”“实行大地园林化”的号召,积极发展速生用材树种泡桐,但栽植后大部分生长低矮,条枝零乱,主干用材率低,如何提高单位面积出材量?我站遵照毛主席“人类总得不断地总结经验,有所发现,有所发明,有所创
Fast growing timber trees Paulownia, is widely distributed, especially in Shaanxi, Henan and more. Paulownia material is excellent, wide use, fast growth, 6-7 years to become useful, is an important way to rapidly increase the national construction timber. In recent years, our county people actively respond to the call of the great leader Chairman Mao’s “greening the motherland” and “practicing the earth garden”. In recent years, the people of our county have actively developed the fast-growing tree species Paulownia, but after planting, most of them grow low and the branches are in disorder. Increase the unit area of the wood? I stand in accordance with Chairman Mao "Mankind must constantly sum up experience, found that some inventions, invasive