An achilles heel for agricultural research

Also in this issue:

Participation in federal farm commodity programs

Are sierra lakes becoming acid?

Resistance to sulfur in a vineyard spider mite predator

Systemic nematicides tested as alternatives to DBCP

Sampling for nematodes

A foliage blight of euonymus caused by

Stomatal response to soil oxygen

Simplified but scientific irrigation scheduling

Weeds may augment biological control of insects

Bulb development in the onion (Allium cepa L.) and the effect of storage temperature on bulb rest