Perhaps you should try some spelling variations:
decrease sowing » decrease owing (Expand search), decrease lodging (Expand search), increased sowing (Expand search)
decrease term » decreased sperm (Expand search), decreases sperm (Expand search), decrease theory (Expand search)
term decrease » term increase (Expand search), the decrease (Expand search), or decrease (Expand search)
decrease akt » decrease at (Expand search), decrease and (Expand search), decrease after (Expand search)
akt decrease » and decrease (Expand search), not decrease (Expand search), any decrease (Expand search)
sowing rates » sowing dates (Expand search), sowing rate (Expand search), sowing date (Expand search)
decrease to » decrease toc (Expand search), decreased to (Expand search), decrease the (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 akt decrease term decrease ) OR ( decrease to decrease sowing rates ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease akt decrease term decrease ) OR ( decrease to decrease sowing rates ))*.