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  Effect of Positioning the Drip-Tape for Supplemental Irrigation on the Yield and Quality of Potato Tubers, C.V. Shepody

Yves Martineau1, Gilles Moreau2, Jacques Lavoie3, Ron Pond1 and Marc Robichaud1

Abstract: A study was conducted at Drummond, Victoria county New Brunswick, in 1997, to determine the effect of supplemental irrigation and the positioning of the drip tape on the yield and quality of potato tubers, c.v. Shepody. Both total and marketable yields were respectively higher by 31.2 and 42.1 Cwt/Acre when soil moisture was maintained between 35 % allowable depletion and field capacity. However the effect was significant only for the marketable yield. The proportion of tubers having hollow heart was higher and the proportion of tubers having scab was lower under supplemental irrigation. The positioning of the drip tape had no effect on the yield and quality of potato tubers.


1Land Resources Branch, NBDARD, Fredericton, NB E3B 5H1
2McCain Foods (Canada), Grand Falls, NB
2Regional Office, NBDARD, Grand Falls, NB E3Z 1G1

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