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	1.	Assessment of lead availability in contaminated soil using isotope dilution techniques. [electronic resource] by Tongtavee, N Shiowatana, J McLaren, Ronald G Gray, Colin W Producer: 20051202 In: The Science of the total environment vol. 348 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	2.	Atmospheric accessions of heavy metals to some New Zealand pastoral soils. [electronic resource] by Gray, Colin W McLaren, Ronald G Roberts, Ants H C Producer: 20030520 In: The Science of the total environment vol. 305 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	3.	Cadmium Concentrations in New Zealand Wheat: Effect of Cultivar Type, Soil Properties, and Crop Management. [electronic resource] by Gray, Colin W Yi, Zicheng Munir, Kiran Lehto, Niklas J Robinson, Brett H Cavanagh, Jo-Anne E Producer: 20191011 In: Journal of environmental quality vol. 48 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	4.	Effects of soil compaction and irrigation on the concentrations of selenium and arsenic in wheat grains. [electronic resource] by Zhao, Fang-Jie Lopez-Bellido, F Javier Gray, Colin W Whalley, W Richard Clark, Lawrence J McGrath, Steve P Producer: 20070315 In: The Science of the total environment vol. 372 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)