You can amend soil with lime, gypsum, or Wooden ashes to extend soil calcium amounts. Amending the bottom in spring ahead of planting is an efficient way to circumvent calcium deficiencies. Olives: 150-250 kg/ha applied early spring at bud split or maybe after comprehensive bloom. For more detailed advice on https://calciumnitratesuppliersvi25901.bloggosite.com/39035060/5-simple-techniques-for-calcium-nitrate-factory-direct-vietnam