Boron Deficiency in Australia and New Zealand

Boron deficiency map for Australia

Giving healthy soil a boost pays off

While boron deficiency is relatively rare in most parts of Australia, proper supplementation with a quality borate fertilizer can improve crop health for most boron tolerant plants.

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Boron deficiency map for New Zealand

Diverse crops, limited soil fertility

New Zealand soils are mostly deficient in natural boron, making it important for growers to choose a fertilizer that offers better solubility and more available boron throughout the growing season.

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Relative susceptibility of crops from the region

Certain crops are more susceptible to boron deficiency than others. To find out what boron deficiency may look like in your field, click a crop below.

Boron Deficiency in the Region

Although Australia enjoys a lower rate of boron deficiency than some other areas of the globe, certain regions feature dry, sandy soil or volcanic soil. Along with periods of heavy rainfall, these soil conditions can create the need for refined boron supplementation.
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New Zealand
Growers in New Zealand face higher rates of boron deficiency than those in Australia. Many growers in this region rely on borate minerals to counter this issue—but minerals, though cheaper than refined boron products, can have unexpected drawbacks.
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U.S. Borax Products

20.8% Boron
Boron for fertilizer manufacturing

This refined U.S. Borax product is made from the dehydration and fusion of borax. Depending on the grade, Anhybor can be used to produce boron-enriched compound fertilizers or to coat different fertilizer products, such as NPK blends with the aid of a binder.

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15% Boron |  | OMRI Certified
Optimum product for suspensions

A fine crystalline borate ideal for NPK compound fertilizers and suspensions. Manufactured as free-flowing granules, Fertibor is easily handled and offers superior flow and consistency.

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15% Boron |  | OMRI Certified
Made especially for bulk blenders

A pure, 100% water-soluble micronutrient that meets boron demand during the growing season. Made especially for bulk blenders, Granubor helps to ensure uniform distribution in nutritional blends and in the field.

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11% Boron (w/w)
Liquid boron from boric acid

The convenience of liquid boron fertilizer straight to your farm with no measuring or mixing required.

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20.5% Boron |  | OMRI Certified
Product of choice for foliar applications

A concentrated, highly soluble, and fast dissolving powder that is ideal for foliar and other sprays. With the highest concentration of boron in any approved product, Solubor is an economical choice for nutritional formulations.

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10% Boron
Solubor Flow
For fertigation or hydroponic growing

First and only aqueous suspension of sodium borate microcrystals.

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14.5% Boron | 29% Zinc
Perfect combination of zinc and boron

Because zinc and boron deficiency are widespread around the world, a product with both nutrients is a good fit in many regions. Zincubor brings these two important micronutrients together in one product.

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One to two pounds (.45-.9 kg) of boron per acre can help to ensure plump, juicy grapes.

U.S. Borax, part of Rio Tinto, is a global leader in the supply and science of borates—naturally-occurring minerals containing boron and other elements. We are 1,000 people serving 650 customers with more than 1,800 delivery locations globally. We supply around 30% of the world’s need for refined borates from our world-class mine in Boron, California, about 100 miles northeast of Los Angeles. Learn more about Rio Tinto.

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