Sentence examples for difficult useful from inspiring English sources

Control is difficult; useful measures include application of selective herbicides before seeds are produced; rotation with a resistant crop and keeping plantings free of weed grasses that may serve as hosts; and prevention of seed set by growing trap crops and then destroying them with herbicides.

It includes frequencies and percentages of each response to 5 of the questions about peer assessment being difficult, useful, interesting, motivating, and boring.

It's a myth that music is difficult; a useful myth, for our tightwad, snobby government.

All academics think their own subjects are unique – distinctively difficult, unusually useful, exceptionally elegant, and what have you.

This means when the high-frequency components are perfectly removed, the problem becomes the most difficult and useful for the performance verification.

What are the most difficult and useful things people have to learn in their 20s?

Their experiences reminded me of my own struggles with one of the most difficult and useful lessons of major life transitions: letting go.

That alone is a solid product — in a limited connectivity situation, tethering may be difficult or not useful, but using your smartphone to the maximum of its capabilities may be a great idea.

Since we are dealing with very small samples, and therefore the high standard errors of our estimates could make more difficult to get useful information from the comparison, we are going to use bootstrapping to get the values for our estimates and their standard errors.

Second, we found it difficult to stimulate useful volumes of feedback.

It is therefore difficult to extract useful insight from this wide range of results.