Grist for the mill

Also in this issue:

Management decisions can reduce blanking in rice

Blackline of English walnut trees traced to graft-transmitted virus

Pyrethroid resistance persists in spider mite predator

Bioconversion: Tilapia fish turn insects and weeds into edible protein

Testing chrysanthemums for disease resistance

Oroblanco: A new grapefruit hybrid

Snail against snail

California red scale predator may create citricola control dilemma

Economic evaluation of mosquito control programs

Tomatoes make efficient use of applied nitrogen

Larger sprinkler nozzles can save energy

Delayed grazing may improve upland waterfowl habitat

Theory of the chemical properties of soil colloidal systems at equilibrium