The action of most environmental variables, therefore, first affects plant growth and processes rather than bacterial processes. 因此各种环境变化的作用首先影响植株生长过程而不是细菌的过程。
Orchid mycorrhizae has certain impacts on germination of orchid seeds and growth of orchid seedlings. 菌根真菌对兰科植物的种子萌发及植株生长发育均有一定影响。