Lake Grace _2 WA trials

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Effect of copper and zinc on wheat on newly cleared yellow braon soils with little 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 little ironstone gravel in top 15 cm of soils .

Department of Agriculture and Food WA
1967 Lake Grace _2 WA
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