Published February 1982. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalo

Breen, Patrick J.

Martin, Lloyd W.

Oregon State University. Agricultural Experiment Station

Renquist, Thomas A., 1947-

Undetermined

A series of studies during six years examined vegetative growth and fruit yield of the 'Olympus' strawberry when grown with black polyethylene mulch and drip irrigation. In some studies, plants were grown with or without mulch and irrigated at low, medium, or high levels for one or two months in the summer. Improved summer irrigation great­ly increased the number of crowns and leaves during the first season. Mulching gave additional benefits at each irrigation level, probably because of an increase in soil temperature. Both mulch and increased summer irrigation also improved flower production, but these treatments were less effective in increasing the number of fruit or fruit yield. First season yields of a mulched, well-irrigated planting with a 12-inch in-row spacing were 19 tons per acre for single rows (13,100 plants per acre) and 24 tons per acre for double rows (26,200 plants per acre). In other plantings on a 15-inch spacing (about 10,000 plants per acre), the best treatments yielded 14 to 15 tons per acre in the first season. Low summer irrigation reduced yields from 10 to 22 percent. Mulching diminished the amount of irrigation water needed to produce a given amount of fruit. When irrigation and mulch treatments were continued for a second season, large differences in plant size were visible by the end of summer, but flower production and fruit yield were similar in all treatments the following spring.Published February 1982. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalo

Oregon Strawberry Commission

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Use of polyethylene mulch and drip irrigation on Olympus strawberries

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Use of polyethylene mulch and drip irrigation on Olympus strawberries

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