Perhaps you should try some spelling variations:
with decreased » with increased (Expand search)
decrease soil » decreases soil (Expand search), increase soil (Expand search), decrease il (Expand search)
soil decrease » oil decreases (Expand search), not decrease (Expand search), of decrease (Expand search)
decrease with » decreases with (Expand search), increase with (Expand search), decrease in (Expand search)
decrease and » decreases and (Expand search), decrease in (Expand search), decrease of (Expand search)
decrease to » decreased to (Expand search), decrease toc (Expand search), decrease the (Expand search)
and objects » and object (Expand search), and subjects (Expand search), and objectives (Expand search)

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (( decrease soil decrease with decreased ) OR ( decrease to decrease AND objects ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( decrease soil decrease with decreased ) OR ( decrease to decrease and objects ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease soil decrease with decreased ) OR ( decrease to decrease and objects ))*.