Perhaps you should try some spelling variations:
decrease planting » increase planning (Expand search), decrease replacing (Expand search), decrease lodging (Expand search)
planting pattern » banding pattern (Expand search), eating pattern (Expand search), changing patterns (Expand search)
decrease during » increase during (Expand search), increases during (Expand search), increased during (Expand search)
during decrease » during increased (Expand search), during depressed (Expand search), during disease (Expand search)
decrease litter » increased litter (Expand search), decrease after (Expand search), decreases liver (Expand search)
litter decrease » faster decrease (Expand search), life decrease (Expand search)
decrease at » decrease akt (Expand search), decrease and (Expand search), decrease in (Expand search)
at decrease » rate decrease (Expand search), that 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 at decrease during decrease ) OR ( decrease litter decrease planting pattern ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease at decrease during decrease ) OR ( decrease litter decrease planting pattern ))*.