Oil palm is a valuable economic crop and provides a major source of employment.

High production cost has limited the application of this technique to more valuable ornamental crops and some fruit trees.

The planet can support a highly valuable crop, one that cannot be grown easily anywhere else.

Cotton there could be replaced by other, more valuable crops.

This is particularly useful for valuable crops and those especially susceptible to insects.

Local and national trade exhibitions often yield a valuable crop.

The farm came with 100 acres of cultivated timothy grass, considered a valuable crop.

Apples are the fourth most valuable crop in the state, generating $138 million in 1999.

"All you can do is slow them down and try to protect your most valuable crops first."

Thus, it is an especially valuable crop in regions where the soil has sand or peat.