SOIL PREPARATION

CHAPTER 11

N Nel, D. J. & Bennie, A.T.P. 1984. Soil factors affecting tree growth and root development in a citrus orchard. S. Afr. J. Plant Soil 1 , 39-47. Nicolás, E., Torrecillas, A. & Dell’Amico, J. 2005. The effect of short term flooding on the sap flow, gas exchange and hydraulic conductivity of young apricot trees. Trees 19 , 51-57. Nicolosi, R.T. & Fretz, T.A., 1980. Evaluation of root growth in varying medium densities and through dissimilar soil surfaces. HortScience 15 , 642-644. Nolte, J. 2019. Personal communication, February. Stellenbosch. O Oberholser, B. 2016. Chemical correction during soil preparation. In: B. Oberholzer (Compiler). Fertilisation guidelines for the wine industry . Winetech, Paarl, South Africa. pp. 27-34. Oosterbaan, R.J. 1996. Software and models: hydrology, irrigation, drainage, soil salinity, groundwater . International Institute for Reclamation and Improvement (ILRI). Wageningen, Netherlands.www.waterlog.info.http://agrohydromodels. blogspot.co.za/2007/08/endrain_14.html. P Perold, A.I., 1926. Handboek oor wynbou . Pro Ecclesia, Stellenbosch, South Africa. Piaget, J., Van der Merwe, G.G. & Lüttich, H. 1976. A home-made gypsum applicator. Decid. Fruit Grow. 26 , 203-206. Poni, S., Tagliavini, M., Neri, D., Scudellari, D. & Toselli, M. 1992. Influence of root pruning and water stress on growth and physiological factors of potted apple, grape, peach and pear trees . Scientia Horticulturae 52 , 223-236. Priori, S., Martini, E., Biagi, M., Andrenelli, M.C., Magini, S., Agnelli, A., Natarelli, L., Bucelli, P., Comina, C., Pellegrini, S. & Costantini, E.A.C. 2011. Improving wine quality through a harvest zoning based upon the combined use of proximal and remote sensing . The Second Global workshop on Proximal Soil Sensing, Montreal. pp 152-155. Q Quinah, K.B. 1912. Use of explosive for agriculture. Agricultural Journal of the Union of South Africa, 710-714. R Raath, P. 2016a. Interpretation of soil analyses. In: B. Oberholzer (Compiler). Fertilisation guidelines for the wine industry. Winetech, Paarl, South Africa. pp. 14-26. Raath, P. 2016b. Soil and leaf samples. In: B. Oberholzer (Compiler). Fertilisation guidelines for the wine industry . Winetech, Paarl, South Africa. pp. 8-13.

SOIL PREPARATION | 163