Method of promoting the flowering of grape vines

A method for promoting flowering of grape vines which comprises applying to the vines (leaves and branches) or to the flower buds, an effective amount of a composition comprising:

• A. from about 7 to 15% by weight of a salt of calcium selected from the group consisting of calcium hydroxide and calcium carbonate;
• B. from about 0.06 to 0.08% by weight potassium hydroxide;
• C. from about 0.05 to 0.07% by weight phosphoric acid;
• D. from about 15.00 to 25.00% by weight nitric acid;
• E. from about 0.0005-0.0007% by weight ammonium hydroxide;
• F. from about 0.001-0.006% by weight manganese sulfate;
• G. from about 0.006-0.10% by weight ferrous sulfate;
• H. from about 0.00002 to 0.003% by weight zinc sulfate;
• I. from about 0.15 to 0.35% by weight magnesium sulfate;
• and
• J. balance water.