The chelate used is compatible with high orthophosphate products. ALPINE MicroBolt Cu micronutrient delivers:

• Maximum plant nutrient solubility – in furrow or foliar
• Minimal salt index
• No application equipment corrosion
• Compatibility with most other liquid fertilizers
• Tank mixable with most pesticides
• Low impurities

RECOMMENDATIONS

Application Rate: Use 1/4 to 1 Litre/ac either in furrow or as a foliar spray.
Optimum rate of application will vary between fields, depending on soil pH and organic matter content. Product should be used on the basis of soil and/or tissue analysis.

DO NOT use at flag leaf stage in cereals

Maximum of 2L/ac of any combination of micronutrients when mixed with a seed placed starter fertilizer.

ROLE OF COPPER

• Copper is important in plant disease prevention – Plant diseases i.e. : net blotch, ergot and pig tailing
• Copper affects lignin building qualities and is crucial in preventing lodging
• Copper is important as a co-enzyme
• Copper greatly affects kernel size and kernel weight
• Copper and other micro deficiencies are enhanced by too much up-front NITROGEN early in spring
• The window of opportunity to correct a Copper deficiency lasts until just before heading

COPPER SOIL AVAILABILITY

• 0.9 – 1.2 ppm in soil test is medium amount

COPPER IN THE LEAF

Sufficiency tissue test ranges in ppm

• Canola: 4 – 12
• Small grains: 6 – 15
• Peas: 10 – 30
• Corn @ tasseling: 6 – 20
• Soybeans: 8 – 20

For more specific guidelines, consult with your authorized ALPINE Dealer or ALPINE District Sales Manager for fertility recommendations.