Bourke, R. Michael.
Crop micronutrient deficiencies in Papua New Guinea / by R. Michael Bourke. - Kainantu : Dept. of Primary Industry, 1983. - 7p. - Technical report ; 83/3 .
Crops--Nutrition.--Papua New Guinea
Plants, Effect of trace elements on.
Crop micronutrient deficiencies in Papua New Guinea / by R. Michael Bourke. - Kainantu : Dept. of Primary Industry, 1983. - 7p. - Technical report ; 83/3 .
Crops--Nutrition.--Papua New Guinea
Plants, Effect of trace elements on.