Apple quality as related to nitrogen and phosphorus nutrition

References

• Beyers , E. 1963 . Diagnostic leaf analysis for deciduous fruit . S. Afr. J. Agic. Sci. , 5 : 315 – 329 .
   Google Scholar
• Kotze , W. A. G. , Olivier , I. , Terblanche , T. J. H. and Morkel , S. . Effects of phosphorus nutrition on the production and quality of apples . Proceedings Phosphorus Symposium . Nelspruit, South Africa.
   Google Scholar
• Martin , D. , Stenhouse , N. S. , Lewis , T. L. and Cerny , J. 1965 . The interrelation of susceptibility to breakdown, cell size, and nitrogen and phsphorus levels in Jonathan apple fruits . Aust. J. Agric. Res. , 16 : 6176 – 25 .
   Google Scholar
• Olivier , I. and Wooldridge , J. 1990 . Effect of phosphorus on resistance to wood rot in apple trees . Deciduous Fruit Grower , 40 : 133 – 135 .
   Google Scholar
• Raese , J. T. 1986 . Improved performance of bearing ‘Delicious’ apple trees with nitrogen and phosphate fertilisation in a low phosphorus soil . J. Amer. Soc. Hort. Science , 111 : 665 – 669 .
   Web of Science ®Google Scholar
• Robinson , J. B. 1986 . “ Fruits, vines, and nuts ” . In Plant Analysis , Edited by: Reuter , D. J. and Robinson , J. B. 120 – 146 . Melbourne, , Australia : Inkata Press .
   Google Scholar
• Shear , C. B. 1980 . “ Interaction of nutrient and environment on mineral composition of fruits ” . In Mineral Nutrition of Fruit Trees , Edited by: Ackinson , J. E. , Jackson , R. O. Sherple and Waller , W. M. 41 – 50 . London, , England : Butterworths .
   Google Scholar
• Snedecor , G. W. and Watson , W. G. 1980 . Statistical Methods , Ames, IA : Iowa State University Press .
   Google Scholar
• Terblanche , J. H. 1985 . Integrated approach to fertilisation of apples for optimum production and quality under South African conditions , South African Department of Agriculture and Water Supply Technical Communications No 201: Horticultural Science Series 3 1 – 6 .
   Google Scholar
• Terblanche , J. H. , Gurgen , K. H. and Pienaar , W. J. 1979 . Concentration gradients of K, Ca and Mg in Golden Delicious apples with reference to bitter pit . Deciduous Fruit Grower , 29 : 182 – 193 .
   Google Scholar
• Wooldridge , J. and Olivier , I. 1990 . Phosphate nutrition in Western Cape orchard soils . Deciduous Fruit Grower , 40 : 20 – 24 .
   Google Scholar