FERTILISER GUIDELINES FOR THE WINE INDUSTRY

REFERENCES

CONRADIE, W.J., 1994 . Vineyard nu trition. Proceedings of a workshop on vineyard nutrition, held at Nietvoorbij on 30 September 1994. ARC-Infruitec-Nietvoorbij, Private Bag X5026, Stellenbosch 7599, South Africa. CONRADIE, W.J., 2001 . Ondersoek na grondkundige- en wingerdboukundige praktyke wat ’n optimale stikstofinhoud in mos sal verseker. www.sawislibrary.co.za/ dbtextimages/final report79.pdf . CONRADIE, W.J., 2005. Ferti l isation of rootstock mother blocks. WineLand , October, pp. 91-94. EKSTEEN, L.L., 1969 . The determination of the lime requirement of soils for various crops in the Winter Rainfall Region. Fertilizer Society of South Africa 2 , 13-14. ENGELBRECHT, G.P., 2005 . The influence of different fertilizer applications and canopy management practices on the potassium

AGENBACH, G., 2005. Experiments to modify grape juice potassium content and wine quality on granite derived soils near Paardeberg. M.Sc. Thesis. Stellenbosch University, Private Bag XI, 7602 Matieland (Stellenbosch), South Africa. CONRADIE, W.J., 1983. Liming and choice of rootstocks as cultural techniques for vines in acid soils. South African Journal of Enology and Viticulture 4, 39-44. CONRADIE, W.J., 1986. Uti l isation of nitrogen by the grapevine as affected by time of application and soil type. South African Journal of Enology and Viticulture 7, 76-82. CONRADIE, W.J. & SAAYMAN, D., 1989 . Effects of longterm nitrogen, phosphorus and potassium ferti l ization on Chenin blanc vines. II. Leaf analyses and grape composition. American Journal of Enology and Viticulture 40, 91-98.

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