[塑料筒育苗法]英国一位林业科学家将栎树苗培植在塑料简里,使树苗生长速度提高了一倍。播种的300颗栎实,他们把130颗发了芽的栎实分别培植在带支柱的半透明塑料筒中,第二年这些小树已高达85厘米,这对生长缓慢的栎树来说,是很不寻常的。 [Plastic tube nursery method] A British forestry scientist will oak seedlings planted in plastic Jane, so that sapling growth rate doubled. Seeding 300 oak trees, they put 130 sprouted oak trees were planted in the column with a translucent plastic tube, the second year these trees have been as high as 85 cm, the slow-growing oak tree is Very unusual.