Perhaps you should try some spelling variations:
decrease sowing » decrease owing (Expand search), decrease lodging (Expand search), increased sowing (Expand search)
decrease blood » decreases blood (Expand search), decreased blood (Expand search), increase blood (Expand search)
blood decrease » blood degree (Expand search), blood disease (Expand search), loss decrease (Expand search)
sowing direct » foreing direct (Expand search), using direct (Expand search), during direct (Expand search)
decrease to » decreased to (Expand search), decrease toc (Expand search), decrease the (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 blood decrease to decrease ) OR ( decrease at decrease sowing direct ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease blood decrease to decrease ) OR ( decrease at decrease sowing direct ))*.