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Deficiency of copper and zinc in pineapples: crook-neck disease


, : Deficiency of copper and zinc in pineapples: crook-neck disease. Fruits d'Outre Mer, 14: 363-7

Symptoms are described, and curative measures are given in detail. These involve spraying the leaves with 1% zinc sulfate, using 2, 000 1. of solution per ha. and repeating the treatment if necessary, and spraying the soil round the plants with 1.5-2-0% copper sulfate, avoiding the leaves.

US$29.90


Other references

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