Effect of N, P, and K Fertilizer Applications on Cranberry Leaf Nutrient Composition, Fruit Color and Yield in a Mature Bog1
Open Access
- 1 July 1971
- journal article
- Published by American Society for Horticultural Science in Journal of the American Society for Horticultural Science
- Vol. 96 (4) , 430-433
- https://doi.org/10.21273/jashs.96.4.430
Abstract
Three levels of N, P, and K in all possible combinations were applied to bearing cranberry plots (Vaccinium macrocarpon Ait, cv. McFarlin) in the field. Fruit quality (color, size and soluble solids), yield, and plant tissue mineral composition were measured. Increased tissue N, P, and K resulted from increased applications of the respective elements. These plant nutrients were also significantly correlated with one another. Applied N increased yield, yellowness, lightness, and decreased redness of the fruit. Tissue P was positively associated with fruit yields, yellowness, and lightness, but negatively with fruit redness. The effects of both N and P were modified by K applications. Tissue mineral levels were generally greater in 1967 than in 1966, except for Mg which decreased and P which did not change.Keywords
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