Southern, P. J.Dick, Kay2024-10-232024-10-23https://hdl.handle.net/1885/73372157843p.journalcolourapplication/pdfen-AUAgriculture -- Papua New Guinea -- PeriodicalsTrace element deficiencies in tropical tree crops in Papua and New GuineaResearch Bulletin No.07Papua New Guinea. Department of Agriculture, Stock and Fisheries1969This publication is provided for research purposes only and must not be reproduced without the prior permission of the Australian National University.