Nutrient studies on soils in New Zealand and Tonga : a thesis submitted in partial fulfilment of the requirements for the degree of Master of Science in Chemistry in the University of Canterbury /

מאת Manu, V. T. (Viliami Toalei)
יצא לאור 1988

Nutrient studies on Pakihi soils and pastures : a thesis presented in partial fulfillment for the degree of Master of Science in Chemistry at the University of Canterbury, Christchurch, New Zealand /

מאת Gilbert, M. J. M. (Michael John MacMillan)
יצא לאור 1987

Studies on Pakihi soils /

מאת Dolan, Laurence P.
יצא לאור 1986