Perhaps you should try some spelling variations:
decrease faster » decrease after (Expand search), decrease further (Expand search), decreased after (Expand search)
faster decrease » rate decrease (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 » life decrease (Expand search)
decrease sowing » decrease owing (Expand search), decrease lodging (Expand search), increased sowing (Expand search)
sowing effect » sowing affect (Expand search), doping effect (Expand search), shadowing effect (Expand search)

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

• Removing quotes may allow a broader search: (( decrease faster decrease during decrease ) OR ( decrease litter decrease sowing effect ))~.