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在西伯利亚中部,为恢复森林苗圃的土壤肥力,采用了绝对休闲或春耕休闲。但通常没有休闲地,也没有长时间单一树种的连作。单一地培育乔木树种会导致土壤贫瘠,或使苗木受到病菌感染和害虫的侵袭,致使单位面积产量下降,有时发现苗木死亡的现象。在克拉斯诺雅尔斯基林管局柯阻尔斯基机械林场的生产实验苗圃里,培育西伯利亚云杉苗时,我们采取了四种较好的轮作方法来研究秋耕休闲和绿肥休闲对土壤肥力的影响。
In central Siberia, absolute or spring recreation is used to restore soil fertility to forest nurseries. But usually there is no leisure, there is no long time a single species of plantation. Cultivating tree species alone can lead to infertile soils or to infection of seedlings and infestation by pests, resulting in a decrease in yield per unit area and sometimes the death of seedlings. At the production experiment nursery at Kirchskykirch forest in Krasnoyarski, when we cultivated Siberian spruce seedlings, we took four good rotation methods to study the effects of autumn plowing recreation and green manure recreation Effects of soil fertility.