Grape /Muscadine
- In March, evenly spread 3 pounds (about 8 cups) of 6-12-12 or 5-10-10 or 1.5 pounds (about 4 cups) of 15-15-15 or 10-10-10 per 100 square feet (10 ft. by 10 ft. area around the vines). Soil test every 3rd fall season.
- In March, evenly spread 1.5 pounds (about 4 cups) of 6-12-12 or 5-10-10 or 0.75 pounds (about 2 cups) of 15-15-15 or 10-10-10 per 100 square feet (10 ft. by 10 ft. area around the vines). Soil test every 3rd fall season.
- Evenly spread 0.25 pound (about one-half cup) of ammonium nitrate (34-0-0) or similar per 100 square feet (10 ft. by 10 ft. area around the tree) in March on non-bearing vines. Use only one-half this amount for bearing Soil test every 3rd fall season.
- When lime is needed, use dolomitic limestone to supply magnesium. If lime is not needed but the soil test shows less than 40 pounds of magnesium per acre or visual magnesium deficiency symptoms persist, apply 0.25 cup of epsom salts per 100 sq. feet (10 ft. by 10 ft.) area around the vine.