The results showed that the plant of Alstonia scholaris grown in field or in fabric bag had lower soil oxygen diffusion rate (ODR) than that in plastic pot.

• 以黑板树为材料，比较塑胶盆、不织布袋（美植袋和栽植袋）以及田间栽培等生产方式对苗木生长和品质的影响。