Metalosate Boron Foliar Fertilizer

Metalosate Boron

Product #: 07322

Description Metalosate® Boron liquid foliar is designed for foliar application on plants to prevent or correct nutrient deficiencies that may limit crop growth and yields. It is water-soluble and nontoxic to plants when applied as directed. For best results, apply Metalosate Boron liquid foliar according to recommendations based on plant tissue or soil analysis.

Standard US Container Size: 1 gallon

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Guaranteed Analysis

Boron (B) (Complexed)5.0%
(Derived from sodium tetraborate)

Metalosate Boron Resources

Explore the Safety Data Sheets for Boron and other Metalosate products.

Metalosate Boron Usage Instructions

Shake well before use. Keep from freezing.

Metalosate Boron liquid foliar can be included in a regular spray program on crops. Consult with an Balchem representative on compatibility with other spray materials.

Dilute one part Metalosate Boron liquid foliar with 20 or more parts water. Apply by a spray method and with an adequate amount of water that will provide complete coverage of the plants. Use of a non-ionic wetting agent may improve spray coverage of certain hard to wet plants. Do not apply undiluted.

Metalosate Boron can be included in a regular spray program on crops. Consult with a Balchem representative on compatibility with other spray materials.

The rate of application will depend on the crop, stage of growth, and severity of deficiency. The maximum recommended rates are for mature, full-sized plants. Reduce the rates proportionately when spraying smaller plants. Metalosate Boron liquid foliar may be used on legumes, grain crops, root crops, cucurbits, cole crops, leafy vegetables, woody and herbaceous ornamentals, deciduous fruits, vine crops, tropical and subtropical fruits, and many other crops.

Market Specific Recommendations

Field Crops and Vegetables

Apply 8 to 24 fluid ounces per acre (0.5 to 1.0 liter per hectare) during periods of rapid growth or nutritional stress. The application may be repeated 2 or more times through the growing season.

Tree Crops

Make an application of 12 to 24 fluid ounces per acre (0.75 to 1.5 liter per hectare) after the beginning of active growth. The application may be repeated at 2 to 4 week intervals through the growing season.

Grapes and Berries

Make an application of 8 to 24 fluid ounces per acre (0.5 to 1.0 liter per hectare) after active growth begins. The application may be repeated at intervals of one week or more through the vegetative growth period.


Apply 0.5 to 1.0 fluid ounces per 1000 square feet (10 to 20 milliliters per 100 square meters) during periods of active growth.

Ornamental Trees, Shrubs, and Flowering Plants

Dilute at a rate of 24 fluid ounces in 10 or more gallons (100 milliliters in 10 or more liters)of water and spray to complete coverage.

CAUTION: This material contains boron. Its misuse may cause serious injury to the crops.

It should be used only under the direction of fertilizer consultants.

Metalosate Research

Over the years, Balchem Plant Nutrition has collaborated and completed hundreds of plant nutrition research studies. The library of research papers is located on our Resources page.

Articles of Interest:

October 31, 2022Boron in Cell Wall Synthesis
Boron maintains a cells structural integrity by forming weak cross links, that improve cell’s abilty to elongate.
Boron Mineral
August 22, 2022Boron Function in Plant Nutrition
Boron continues to be the least understood of all the mineral nutrients in plant nutrition, and what we do know has been discovered mainly by withholding or resupplying after deficiency.Metalosate® Boron continues to be a superior way to provide boron supplementation to plants to ensure the boron is available for the various processes it effects.
Healthy Soil is the backbone of Plant Nutrition
January 31, 2022Boron Availability
Metalosate Boron provides a superior boron application to plants. This is at least partially because it is applied via foliar application.

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