This can result in up to 50% loss of yield.

The 1980's were a period of declining yields, he said, with 1987 the low point.

This is not a dance to the death, merely until one of us yields.

The rate of yield should never be stated as a percentage.

The other four were small tactical weapons of low yield.

Overall, he said, the cold appeared to have caused a 25 to 30 percent loss of potential yield.

It is closely related to the concept of current yield.

"And they're trading at about 85 to 90 percent of the market's yield now, which makes them attractive."

Recent research has examined cell culture as a means of increasing yields.

The savings have mostly been passed on to investors in the form of higher yields.