Boron’s (B) role as a critical micronutrient is widely accepted; yet compounding approaches continue to evolve as growers and suppliers seek value-added approaches for greater returns on investments (ROI’s). Boron is a mobile soil nutrient due to its very soluble anionic form in soil. Sodium borates are faster acting, and more prone to leaching. Calcium borates are more slowly mineralized.

Typically, Ulexite contains ~60% calcium borate, ~40% sodium borate. The solubility of Ulexite is related to its particle size and the proportion of these two borates, thus explaining why it is sought after for agriculture use Not only will this produce a fast acting product (from sodium borate), but it will also exhibit time release properties (from calcium borate) more closely mirroring crop demands.

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Copper (Cu+2) is a micronutrient or trace element, which by definition, is an essential element found in less than 0.01% of the plant dry matter. Copper sulfate is an inorganic compound that combines sulfur with copper. Copper sulfate pentahydrate (CuSO4:5H20) is the most commonly encountered salt and is the preferred source for fertilizer.

Copper is an essential redox, active transition metal, cofactor responsible for activating enzymes and catalyzing reactions necessary for plant growth. It is also closely linked to vitamin A production and protein synthesis. Plants also rely on copper for carbohydrate and chlorophyll production as well as lignin synthesis and nitrogen processes. Many crops respond positively to proper copper supplementation, but grains-wheat, barley and legumes are known high users of copper.

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Plants rely on manganese (Mn) primarily for photosynthesis, although a variety of other biological functions require manganese including chlorophyll synthesis, nitrate assimilation, lipid metabolism, enzyme activation and vitamin formation. In photosynthesis, Manganese (Mn) plays an important electron transport role in redox reactions. It also plays a role in building carbohydrates and metabolizing nitrogen, especially in corn.

As a cofactor, Mn reportedly activates over 35 enzymes necessary for plant health and vigor including lignin, phytoalexins, peroxidase and superoxide dismutase. Impairment of these functions in crops increases susceptibility to pathogen attack and reduces stress tolerance. Most of the Manganese used by the plant comes from the soil solution and reaches plant roots by a process called mass flow and diffusion.

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