• Assimilation of CO2 in photosynthesis
  • Assimilation of nitrate nitrogen
  • Essential for seed formation
  • Electron transport during photosynthesis

5% Manganese Acetate Fertilizer

In soils with higher pH (6.5-7 pH range), manganese becomes less available to the plant. Mn-Ace, from CultivAce, delivers manganese to the plant, enhancing plant reproduction and seed formation.

Mn-Ace is an ideal fertilizer for the following soil factors:

  • High pH
  • High organic matter
  • High iron or iron applications
  • High calcium applications
  • High zinc or zinc applications

Manganese (Mn) …………… 5.0%
Derived from: Manganese Acetate
9.85 lb/gal @ 68℉

This product is compatible with most pesticides, however, it is not possible to test all pesticide mixes. A jar test is recommended before use.

DILUTION: Field and row crops: 3 to 20 Gallons by air, 10 to 40 gallons by ground. Tree crops: concentrate 50 to 100 gallons, Dilute 100 to 500 gallons.

Net weight 23.875 pounds

(rates par acre)

Crops such as, but not limited to:

Alfalfa and clover grown for seed :: 1- 4 pints at bud stage and full bloom.

Apples, cherries, peaches, almonds, walnuts, pears, stone, pome fruits, citrus and nuts :: 1 – 4 pints per acre at bud break, full bloom and post harvest.

Barley, oats, wheat, rice, and other small grains :: 1 – 4 pints – Apply at tillering, early boot and flag leaf emergence.

Beans, peas and other legumes :: 1 – 3 pints – Apply at early bud, repeat after bloom.

Cabbage, broccoli, carrots, onions, tomatoes and other vegetables grown for seed :: 1 – 4 pints – Apply at bud stage, full bloom and 2 weeks later.

Corn, field and sweet :: 1 – 4 pints – Apply at tassle emergence and 2 – 4 weeks as needed.

Sugar Cane :: 1—4 pints per acre.

Grapes :: 1 – 4 pints – Apply dormant, prebloom and post-bloom as needed.

Hops :: 1 – 4 pints

Hazelnuts, pistachios, other deciduous trees :: 1 – 4 pints – Apply at bud break. Repeat every two trees to three weeks and post harvest.

Potatoes :: 1 – 4 pints – Apply at tuber initiation, repeat in 2 – 4 week intervals.

Raspberries, blueberries, strawberries, blackberries :: 1 – 3 pints – Apply pre bloom repeat every 2-4 weeks.

Grasses grown for seed :: 1-4 pints. Apply at leaf, early boot and flag leaf emergence.

Information regarding the contents and levels of metals in this product is available on the internet at


NOTICE: Manufacturer makes no warranties, expressed or implied. The buyer assumes all risks associated with the use of this product. In the event of damage resulting from a breach of warranty, the buyer agrees to accept a refund of the purchase price as full discharge of the manufacturers liability.