Abstract
Abstract Significant interactions between irrigation and N management for total yield and for incidence of brown center or hollow heart in potatoes (Solanum tuberosum L. cv Russet Burbank) were found in field studies conducted in southeastern Idaho during 1987 and 1988. When soil water content was maintained at 80% to 90% available, 30 kg N/ha applied weekly for 3 weeks, beginning shortly after tuber initiation, resulted in a higher incidence of brown center or hollow heart than when the same total amount of N was applied pre-plant or in smaller increments over a longer period of time.
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