| 摘要 |
The present invention relates to a foliar fertilizer for nutrition of grapevine, which is characterized in that it is liquid and applied to grapevine leaves and containing contains 20 to 60 percent by volume of potassium collagenous hydrolyzate, 20 to 40 percent by volume of an aqueous magnesium nitrate solution, 0.1 to 0.5 percent by weight of zinc, 0.05 to 0.3 percent by weight of iron, 0.0005 to 0.005 percent by weight of molybdenum in inorganic salts, and 10 to 30 percent by volume of water. |
