Perhaps you should try some spelling variations:
decrease cropping » decrease lodging (Expand search), decrease owing (Expand search), decrease flooding (Expand search)
cropping patterns » grouping patterns (Expand search), coping patterns (Expand search), shopping patterns (Expand search)
decrease rapidly » disease rapidly (Expand search), decrease lipid (Expand search)
rapidly decrease » rapid increase (Expand search), brazil decrease (Expand search), taping decrease (Expand search)
decrease the » decreases the (Expand search), decrease in (Expand search), decrease of (Expand search)
the decrease » to decrease (Expand search), and decrease (Expand search)

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "(( decrease NOT decrease rapidly decrease ) OR ( decrease the decrease cropping patterns ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease NOT decrease rapidly decrease ) OR ( decrease the decrease cropping patterns ))*.