The looseness of soil has a positive impact on a plant 's roots' growth in that soil, and pinions tolerate drought and alkaline soil, but prefer loose, well-drained soils. Given these facts, well-drained soil has a positive impact on a plant 's what growth in that soil among the following options:
- stem
 - heat
 - fibrous
 - leaf
 - tissue
 - rice
 - flower
 - roots


 

        roots 