The recommended soil application rate of boron generally ranges from 0.25 to 2.0 lbs of B/acre. We use cookies to remember you and learn how you use these pages. Also included was a 7-21-7 fluid fertilizer, based on 10-34-0, because it is widely used as a starter fertilizer. Read our, A Minute in the Field: Solubor's Cost-Effectiveness, A Minute in the Field: Solubor's Solubility, 11.6% wt (theoretical, expected based on overall chemistry composition), at 23°C for a 1% solution is 8.3, and for a 15% solution is 7.1, As part of solution or suspension fertilizers, In the formulation of high-performance liquids for fertigation (fertilization through irrigation systems), In multi-element soluble powder formulations for spraying. We supply 30% of the world’s need for refined borates from our world-class mine in Boron, California, about 100 miles northeast of Los Angeles. Studies were conducted to determine the maximum solubility of Solubor in typical liquid fertilizers applied in the U.S. Solubor may be easily mixed with fluid fertilizers to provide the recommended boron rates for crops. Inclusion of KCl in the 7-21-7 fertilizer reduced the maximum Solubor solubility, due to the higher salt content of this fertilizer. It was found that potassium salts crystallized out of the 7-21-7 fertilizer at temperatures below 35°F, but salts did not precipitate until the temperature reached -4°F. We supply 30% of the world’s need for refined borates from our world-class mine in Boron, California, about 100 miles northeast of Los Angeles. How much will increased pH affect pesticide efficacy? Before you shop for fertilizer, perform a soil test. Applying the recommended boron rate is critical to obtaining optimum crop yields. Solubor DF is a mixture of disodium tetraborate, boric acid, and sodium pentaborate. It is important to dissolve the correct amount of Solubor to provide the desired rate of boron at the intended liquid fertilizer application rate. The maximum Solubor solubility in these liquid fertilizers is greater than that needed to provide the recommended boron rates at the usual NPK rates. All Rights Reserved. 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. yara soluble boron 21% Soluble Boron is a soluble powder formulation that gives the potential for a higher nutrient concentration than a liquid, meaning lower application rates, less product to handle and store, less packs to recycle, whilst also making it easy to mix the product in the spray tank. The amorphous particles of Solubor® facilitate rapid wetting and incorporation in water and more viscous liquids, even at low temperatures. Based on these results, the maximum rates of boron that can be applied at usual N, NP, or NPK rates with these liquid fertilizers (100 - 250 lbs of product/acre) range from 0.3 to 4.0 lbs of B/acre (Table 2). |, Solubor 20.5% Boron (Sodium Borate) - 50 lb Bag. Solubility studies of Solubor in various liquid fertilizers Formulation of high performance liquids containing either boron alone or a combination of nutrients for spraying, ‘fertigation’ or irrigation. Read our, Amounts of Solubor to mix into spray tanks to supply desired boron rates, Relative plant tolerance to available boron supply. Boron deficiencies in crops can be conveniently corrected by soil applications of boron sources included in liquid or granular N, NP, and NPK fertilizers. And Solubor provides a higher concentration of boron than boric acid in solution does—up to 68.6% B2O3, compared to 56.8% maximum. Experience has shown that levels of up to 2.7% Solubor can be added to the more common liquid fertilizer formulations while maintaining crystallization temperatures below 1.7°C (35°F). Highest solubility was in 10-34-0 fertilizer.

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