论文部分内容阅读
在毛主席“绿化祖国”的伟大号召指引下,我国南方各省、区正在大力开展建立杉木用材林基地的群众运动。除杉木中心产区外,一般山区特别是丘陵地区栽杉,多从外地调运种子。实践证明,用外地来的种子造林,效果有好的也有差的,如闽南一般林场采用丘陵低山的母树种源,造林后4-5年即大量结实,长势随之衰退,有的形成了小老头林。有些林场,如安溪丰林林场,每年派人从闽北
Guided by the great call of Chairman Mao’s “greening the motherland,” the various southern provinces and regions in the country are vigorously conducting the mass movement to establish the base of Chinese fir woodland. In addition to fir-producing areas, the general mountainous areas especially in hilly fir, more from the field transfer of seeds. Practice has proved that the use of foreign seed to afforestation, the effect is good and there are poor, such as the general use of southern Fujian Hilly lowland mother tree provenance, 4-5 years after the large number of afforestation, the recession followed, and some formed Little old man. Some forest farms, such as Anxi Fenglin Farm, send people each year from northern Fujian