论文部分内容阅读
我场是以营造针叶用材林为主的山区林场,十几年耒,广大职工在毛主席的革命路线指引下,共造林七万三千余亩,其中华北落叶松和油松占百分之七十以上。 无产阶级文化大革命以耒,遵照毛主席关于“有了优良品种,即不增加劳动力、肥料,也可获得较多的收成”的教导,对华北落叶松的单株选优、种子园和采穗圃的试建等项工作也作了初步探索,摸出了一些规律,积累了部分资料,对我场今后开展林木良种化工作打下了较好的基础。 现将我场用套接法试建种子园的情况介绍如下:
In the past ten years, under the guidance of Chairman Mao’s revolutionary line, a total of more than 73,000 acres of afforestation were made, of which, Larix principis-rupprechtii and Pinus tabulaeformis accounted for only a few percent Seventy or more. In the Great Proletarian Cultural Revolution, following the guidance of Chairman Mao on “having excellent cultivars, that is, obtaining more crops without increasing labor force and fertilizers,” the Great Proletarian Cultural Revolution stressed the importance of single plant selection, seed orchards and ear harvests of Larix principis-rupprechtii The construction of the nursery garden and other items also made a preliminary exploration, worked out some laws and accumulated some information, which laid a good foundation for future forest tree planting in our field. Now I use the field test method to build seed orchard is as follows: