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 /

gan Manu, V. T. (Viliami Toalei)
Cyhoeddwyd 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 /

gan Gilbert, M. J. M. (Michael John MacMillan)
Cyhoeddwyd 1987

Studies on Pakihi soils /

gan Dolan, Laurence P.
Cyhoeddwyd 1986