Zinc deficiency made worse by
- Organic soils
- High pH soils
- Soils rich in phosphorus
- Soils receiving high phosphorus application
- Cold wet conditions
Zinc is important for
- Combats chlorisis and premature leaf fall
- Improves resistance to cold weather and late frosts
- Improves bud development
- Improves flowering
- Improves fruit set
- Gives better skin finish
- Reduces storage disorders
Yara recommended fertilizers for Zinc
YaraVita® BUD BUILDER™WP
Apples: In the Spring apply 5 to 10 lbs/acre applied at bud burst. Reapply after fruit set during sizing in 10 to 14 day intervals. 5-10 lbs/acre applied post-harvest before leaf senescence. Water rate: minimum 25 gallons/acre. Foliar application of Bud Builder may leave a white residue-deposit on the leaf or crop when applied close to harvest.
Read more about YaraVita® BUD BUILDER™WPYaraVita® POWERBOR™ Ca
Apple: Several applications of 1 to 2 quarts/acre beginning at pink bud, start of flowering, at petal fall, after fruit set and during sizing. Also, after harvest but before leaf senescence. Water rate: 15 gallons per acre minimum.
Read more about YaraVita® POWERBOR™ CaYaraVita® ZINTRAC™
Apples: 1 pint/acre at bud burst to ½ inch green tip. Apply again after harvest but before leaf senescence. Water rate: 50 to 100 gallons/acre.
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Apple: 5 to 25 lb per acre per application. Repeat as needed. Apply aerial applications in at least 5 gallons/acre and ground applications in at least 10 gallons/acre; however, when total application gallonage is 25 gallons per acre or less, DO NOT mix more than 1 lb. of this product per gallon of water.
Read more about NUTRA-PHOS CALZINCNUTRA-PHOS Zn-K PLUS
Apple: 5 to 25 lb per acre per application in pre- and post-bloom sprays. Repeat as needed. Apply aerial applications in at least 5 gallons/acre and ground applications in at least 10 gallons/acre; however, when total application gallonage is 25 gallons per acre or less, DO NOT mix more than 1 lb. of this product per gallon of water.
Read more about NUTRA-PHOS Zn-K PLUSNUTRA-SPRAY MANZINC
Apple: 10 to 30 lb per acre per application at pre-bloom and post-harvest. Apply foliar sprays as needed. In horticultural oil sprays, 3/4 to 1 lb. may be included for each 1% of oil emulsion. Apply aerial applications in at least 5 gallons/acre and ground applications in at least 10 gallons/acre; however, when total application gallonage is 25 gallons per acre or less, DO NOT mix more than 1 lb. of this product per gallon of water.
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Apple: Dormant: Use 6 to 15 lb per acre. May be used with horticultural oil. Delayed Dormant: Use 5 to 10 lb per acre. May be used with horticultural oil. Foliage Spray: Apply at the rate of 2 to 6 lb per acre per application. Repeat as needed. Application of this product as a foliage spray must be made with caution, especially during wet weather or poor drying conditions. Application to fruit within 3 weeks of harvest may leave a visible residue. Post Harvest: 6 to 15 lb per acre. Apply aerial applications in at least 5 gallons/acre and ground applications in at least 10 gallons/acre; however, when total application gallonage is 25 gallons per acre or less, DO NOT mix more than 1 lb. of this product per gallon of water.
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Apple: 10 to 30 lb per acre per application at pre-bloom and post-harvest. Apply foliar sprays as needed. In horticultural oil sprays, 3/4 to 1 lb. (0.3 to 0.5 kg) may be included for each 1% of oil emulsion. Apply aerial applications in at least 5 gallons/acre and ground applications in at least 10 gallons/acre; however, when total application gallonage is 25 gallons per acre or less, DO NOT mix more than 1 lb. of this product per gallon of water.
Read more about NUTRA-SPRAY ZM