FERTILISATION GUIDELINES FOR THE TABLE GRAPE INDUSTRY

REFERENCES

KOPITTKE, P.M. & MENZIES, N.W., 2007 . A review of the use of the basic cation ratio and the “ideal” soil. Soil Sci. Soc. Am. J. 71, 259 – 265. L LÖHNERTZ, O., 1988 . Nährstoffelementaufname von Reben im Verlauf eines Vegetationszyklus. Mitt. Klosterneuburg 38, 124 – 129. M MORRIS, J.R., CAWTHON, D.L. & FLEMING, J.W., 1980. Effects of high rates of potassium fertilization on raw product quality and changes in pH and acidity during storage of Concord grape juice. Am. J. Enol. Vitic. 31, 323 – 328. MORRIS, J.R., SIMS, C.A. & CAWTHON, D.L., 1982 . Excessive potassium fertilisation destroys grape juice quality. Hort. Soc. 103, 106 – 108. MPELASOKA, B.S., SCHACHTMAN, D.S., TREEBY, M.T. & THOMAS, M.R., 2003. A review of potassium nutrition in grapevines with special emphasis on berry accumulation. Aust. J. Grape Wine Res. 9, 154 – 168. MULLINS, M.G., BOUQUET, A. & WILLIAMS, L.E., 1992. Biology of the grapevine. Cambridge University press, The Edinburgh Building, Cambridge CB2 2RU, UK. 239pp. N NATHAN, M., SCHARF, P., SUN, Y. & DUNN, D., 2005. Evaluating Mehlich III extractant for extracting available nutrients for Missouri soils using inductively coupled plasma spectrometry. Research Report. Division of Plant Sciences, University of Missouri, Columbia, Missouri, USA. P POOVAIAH, B.W., GLENN, G.M. & REDDY, A.S.N., 1988. Calcium and fruit softening: physiology and biochemistry. Hortic. Rev. 10, 107 – 152. POSSNER, D.R.E & KLIEWER, W.M., 1985. The localisation of acids, sugars, potassium and calcium in developing grape berries. Vitis 24, 229 – 240. R RAATH, P.J., 2005. Table grape fertilization: guidelines to survive. S Afr. Fruit J., Oct/ Nov., 33 – 39. RAATH, P.J., 2012. Effect of varying levels of nitrogen, potassium and calcium nutrition on table grape vine physiology and berry quality. Thesis. Stellenbosch University, Private Bag Xl, Matieland 7602 (Stellenbosch), South Africa. 139pp. RÜHL, E.H., 2000. Effect of rootstocks and K+ supply on pH and acidity of grape juice. Acta Hort. 512, 31 – 37.

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