This document contains a list of 9 tables that provide data related to nutrient transfer rates in pine plantations, nutrient uptake and removal from harvesting, nutrient sources in pine ecosystems, temperature and rainfall data, site descriptions of two forest areas, analytical data from soil collections, chemical composition and properties of saturated paste extracts from soil samples, distribution of aluminum species in soil solutions, and precision and reproducibility data for various analytical methods used in the study.

1. LIST OF TABLES
Table 1.1: Estimated transfer rates for N, P, K, Ca and Mg in
plantations of P. taeda at the age of 16 years (modified
after Pritchett and Fisher,1987).........................................................10
Table 1.2: Annual and total uptake of nutrients, and removal by
harvesting (Switzer and Nelson, 1972; Khanna and Ulrich,
1984; Miller, 1984; Pritchett and Fisher, 1987). ...............................11
Table 1.3 : The relative contribution of nutrient sources to a 20th
year
requirement of a P. taeda plantation ecosystem (Switzer
and Nelson, 1972).............................................................................12
Table 2.1: Temperatures and rainfall for the period of 1961-1990
(C.S.S., 1996)....................................................................................19
Table 2.2: Site description - Rhenosterhoek forest area....................................24
Table 2.3: Site description - Mauchsberg forest area.........................................25
Table 3.1: Analytical data for the soil collection..................................................32
Table 4.1: Chemical composition of saturated paste extracts. Ion
concentrations are in mg/l, EC levels are in S/cm and pH
levels are of the saturated paste prior to extraction..........................45
Table 4.2: Percent (%) distribution of aluminium species in solution
calculated by MINTEQA2 in the presence of DOC and F.................52
Table 4.3: Percent (%) distribution of aluminium species in solution
calculated by MINTEQA2 in the absence of DOC and F..................53
Table A.1: Soil profile description for two selected pits in P. patula
plantations in the Rhenosterhoek area (S.A.F.I, 1957) .......................V
Table B.1: Trace element composition of the soil solution (saturated
paste extracts) from 22 surface soils under pine plantations
of different ages in the Sabie area, Mpumalanga.
Concentrations are reported in g/l.....................................................XII
Table C.1: Data summary of duplicate pH measurements in
saturated pastes, prior to extraction.................................................XIV
Table C.2: Duplicate electrical conductivity readings for 11 saturated
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2. paste extracts from surface soils under pine plantations of
different ages in the Sabie area, Mpumalanga................................XVI
Table C.3: Results of four duplicate analysis and three standards of
exchangeable cations determined by FAAS..................................XVIII
Table C.4: pH readings for the determination of ANC from 22 surface
soils under pine plantations of different ages in the Sabie
area, Mpumalanga..........................................................................XIX
Table C.5: Precision and data reproducibility for four soil solutions
(saturated paste extracts) and standards determined for
major ion concentration by IC............................................................XX
Table C.6: Trace element concentrations and precision analysis of
two standards determined by ICP-MS, prior to trace
element analysis of soil solutions....................................................XXI
Table C.7: Precision and data reproducibility of three soil solutions
(saturated paste extracts) determined for selected trace
element concentrations by ICP-MS. Results are reported
in g/l..............................................................................................XXII
Table C.8: Analytical precision of Al determined colorimetrically
according to the method of Kennedy and Powell (1986),
for seven soil solutions (saturated paste extracts) of
surface soils under pine plantations of different ages
in the Sabie area, Mpumalanga.....................................................XXIII
Table C.9: Analysis precision of Si determined colorimetrically
according to the method of Eaton et al. (1995), for six
soil solutions (saturated paste extracts) of surface soils
under pine plantations of different ages in the Sabie area,
Mpumalanga..................................................................................XXIV
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