Limiting Nutrients for Plant Growth in Coastal Sand Dune Soils

Publisher Website
Google Scholar
Abstract
A pot-culture experiment and a field experiment were carried out to examine the relative importance of N, P and K supplies for plant growth on coastal dune soils, using Oenothera erythrosepala as a test plant. The plants grown in pot culture were deficient in P but not N and K; the plants grown in the field were deficient in N but not P and K. Dune sands were incubated to examine the differences in nutrient availabilities between pot and field conditions. The incubation resulted in an increased availability of N and a decreased availability of P. The low supply of inorganic N in the field is attributable to restriction of mineralization and nitrification and to leaching of NO3-.

This publication has 0 references indexed in Scilit: