D. Sugar

Recycling of nitrogen in field-grown 'Comice' pears

Timothy L. Righetti, P. B. Lombard, T. Righetti, 1991 .

Management of Nitrogen and Calcium in Pear Trees for Enhancement of Fruit Resistance to Postharvest Decay

Timothy L. Righetti, T. Righetti, D. Sugar, 1992 .

Extending Shelf Life of Fresh-cut Pears

R. Wrolstad, D. Sugar, Ronald E. Wrolstad, 2000 .