HAYNES R J,SWIFT R S,Growth and nutrient uptake by highbush blueberry plants in a peat medium as influenced by pH,applied micronutrients and mycorrhizal inoculation,Scientia Horticulturae,1985.
[4]
HAYNES R J,SWIFT R S,Effect of soil amendments and sawdust mulching on growth,yield and leaf nutrient content of highbush blueberry plants,Scientia Horticulturae,1986.
[5]
SPIERS J M,Soil:Applied sulfur affects elemental leaf content and growth of Tifblue rabbiteye blueberry,Journal of the American Society for Horticultural Science,1992(2).