Effect of copper and zinc on wheat on newly cleared yellow brown earthy gravels of he central wheatbelt of Western Australia.

To determine the rates of copper and zinc required for maximum grain yield of wheat grown on yellow brown earthy sands.本研究旨在明确黄棕壤砂质土上种植小麦时，实现籽粒最高产量所需的铜与锌施用量。