Micronutrients Liquid MineralWhile trace mineral products like Azomite® can be helpful for maintaining background levels of a wide variety of elements, they don’t have the juice to correct actual deficiencies of specific micronutrients. We were thrilled to find a line of OMRI-Listed® liquid micronutrient products in package sizing that makes sense for home gardeners and small-scale market growers! Note that on certified organic operations, these products may only be applied if there is a documented micronutrient deficiency. Dilute 1 part liquid micronutrient in 100 parts water (⅜ oz in 4⅔ cups water, 1 pint in 12½ gallons water) before applying.
Calcium helps to strengthen the cell walls of plants, improving crop quality, disease resistance and storage capacity. Calcium mobility in plants is limited and uptake may be reduced by cool or humid conditions. Mid-season foliar applications of calcium can help prevent problems like blossom end rot and bitter pit. Contains 5% calcium chelated with an amino acid complex. Apply 1–4 quarts/acre (¾–3 oz/1000 sq ft) diluted 100:1. Repeat in 1–3 weeks if necessary.
Copper is necessary for efficient photosynthesis and respiration and affects the sugar content and flavor of produce. Copper availability may be limited by alkaline soils, high organic matter levels, saturated soils, or excessive zinc, nitrogen or phosphorus. Contains 4% chelated copper derived from copper sulfate. Apply 1–4 pints/acre (⅜–1½ oz/1000 sq ft) diluted 100:1. Repeat in 1–3 weeks if necessary.
Iron is essential for chlorophyll development and function, and is also involved in nitrogen fixation by legumes. Iron availability may be limited by alkaline soils, low organic matter levels, saturated soils, excessive phosphorus, or zinc deficiency. Contains 5% chelated iron derived from ferrous sulfate. Apply 1–4 pints/acre (⅜–1½ oz/1000 sq ft) diluted 100:1. Repeat in 1–3 weeks if necessary.
Manganese helps plants to synthesize chlorophyll and is used in electron transport during photosynthesis. Manganese availability may be limited by alkaline soils, high organic matter, excessive iron, or deficient sulfur. Contains 1% nitrogen derived from hydrolyzed vegetable protein and 5% chelated manganese derived from manganese sulfate. Apply at 1–4 pints/acre (⅜–1½ oz/1000 sq ft) diluted 100:1. Repeat in 1–3 weeks if necessary.
Zinc is a component of auxin, an essential growth hormone, and is also necessary for proper root development. Adequate zinc improves cold tolerance. Zinc availability may be limited by excessive phosphorus or copper, low organic matter, or magnesium deficiency. Contains 7% zinc derived from zinc sulfate. Apply 1–4 pints per acre (⅜–1½ oz/1000 sq ft) diluted 100:1. Repeat in 1–3 weeks if necessary.
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