Calag Archive

Orphaned lambs, already a problem for sheep producers, may become more common as improved breeding increases the proportion of multple births. A ewe can be persuaded to adopt an “alien” lamb wearing a stockinette that smells like her own lamb. (Cover photo by Edward 0.Price)

Systemic insecticides incorporated into plant spikes offer limited control of hard-to-kill nursery pests.

Varying levels of resistance to pyrethroid cattle ear devices have been found in northern California.

Linear-move and center-pivot machines differed in nonuniformity patterns and thus in possible yield effects.

Although soil tests indicate adequate potassium, plants develop deficiency symptoms and respond to fertilization.

Nitrogen and phosphorus applications maintained celery yields and increased packout of larger stalk sizes.

A commercial lure in a liquid trap should be effective for most uses.

The Diagnosis and Recommendation Integrated System works well in assaying for phosphorus and sulfur.

Laboratory selection has resulted in strains of this insect predator able to survive field rates of a pesticide.