Correction of zinc deficiency in wheat on the Darling Downs, Queensland

Duncan, O.W.

Correction of zinc deficiency in wheat on the Darling Downs, Queensland

1967

Duncan, O.W.

Zinc sulphate applied as a 1 % spray at 2-4 weeks after emergence, or at 1 cwt/ ac drilled in, alleviated the symptoms. Grain yield increases were up to 35% higher than in untreated plots. Applications 5 weeks after emergence did not produce significant yield increases. There was an indication that cultural practices can also alleviate the symptoms.

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