5BECKWITH C S.The effect of fertilizers on blueberries[J].Soil Sci,1920,10:309-314.
6SMOLARZ K,MERCIK S.Growth and yielding of highbush blueberry (Vaccinium corymbosum L.) in response to long term (since 1923) differential fertilization[J].Acta Horticulturae,1993,346:193.
7DOEHLERT C A.Dates for applying blueberry fertilizer[J].Proc Amer Soc Hort Sci,1940,38:451-455.
8AUTIN M E.Effects of fertilizer applications,on yield of rabbiteye blueberry[J].Amer Sor Hort Sci,1977,102:36-39.
9CLARK J R,NARAGUMA J,ALLEN A.Highbush blueberry response to nitrogen rate and method of application:four-year results[J].Research Series-arkansas agricultural Experiment Station,1998,459:43-46.
10ECK P.Optimum potassium nutritional level for production of highbush blueberry[J].Amer Soc Hort Sci,1983,108 (4):520-522.