Description Granubor is a white granular boron material produced solely from sodium tetraborate pentahydrate which is itself refined from tincal ore using only physical means: Crushing, steam, water, settling, and crystallization. Granubor contains no added ingredients, fillers, or coatings. 100% water-soluble, but with a gradual release rate of boron. Granubor can be used in the following applications: Incorporate into blended fertilisers to provide an application ready mixture. Direct soil application where its physical form may present advantages in application, eg spreading under and around tree and plantation crops. Improve the soil boron status when it is low or borderline As an essential plant nutrient Boron is one of eight micronutrients essential to all plant growth. Adequate boron is necessary for proper absorption of macronutrients and for maintaining the integrity of plant cell walls. Also available in 1 kg bucket, SKU: BORA
