Zinc deficiency padidėja, kai yra

  • Organic soils
  • High pH soils
  • Soils rich in phosphorus
  • Soils receiving high phosphorus application
  • Cold wet conditions

Cinkas yra svarbu, nes

  • 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