The bitterness among the area's farmers never dissipated, and productivity declined.

Their relative productivity was not only low, but declining in the years prior to the change.

However, the productivity of the soil declines after a year or two of farming.

The productivity of scientists often declines after they receive prizes, he said.

By the late 1950s Said's productivity had declined.

By the early 1970s Djajakusuma's productivity in film had declined.

Williams' productivity declined in the five injury-plagued seasons that followed.

Agricultural development and productivity declined from neglect during the oil boom years of the early 1980s.

By the middle of the 19th century, productivity at the mines had declined to the stage where they had to be closed.

They knew that if productivity declined, the Harkonnens would come back and punish them even more.