Newdegate-1 WA trials

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Effect of copper and zinc on wheat on newly cleared ironstone gravel in top 15 cm of soils of the central wheatbelt

To determine the rates of copper and zinc required for maximum grain yield of wheat grown on  yellow to brown with much ironstone grave in top 15 cm of laterite soils .

Department of Agriculture and Food WA
1967 Newdegate-1 WA
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