Fact 1: The looseness of soil has a positive impact on a plant 's roots' growth in that soil.

Fact 2: Most mulches help to keep soil surfaces loose and receptive to water absorption.

Given the two facts above, answer the question "Soil receptive to water absorption has a positive impact on what aspect of the plant?" with the following options: 
- support
 - growth
 - stem thickness
 - root growth
 - energy
 - dry roots
 - Energy.
 - bud amount


 

    root growth     