The carbon balance at Skukuza

R.J. Scholes
2007 South African Journal of Botany  
Species of the Proteaceae are highly susceptible to P fertilisation (P-toxicity) at relatively low external [P]. Our recent findings discovered that the extreme P sensitivity of H. prostrata (Proteaceae) is due to its very low capacity to reduce its phosphate-uptake capacity at elevated P levels in the rhizosphere. In the south-west of Western Australia, root clusters are only produced during the Mediterranean wet winter. That is the time most nutrients are absorbed; since growth tends to occur
more » ... owth tends to occur during warmer and drier seasons, the nutrients must be stored. The lack of down-regulation of P uptake capacity is therefore in tune with the Mediterranean climate and the Pimpoverished soil conditions in Western Australia.
doi:10.1016/j.sajb.2007.02.006 fatcat:uwps4aegqvalxbpya4ocmizzoi