Cal-Bor is a combination of calcium and boron fertiliser for use as a foliar feed to maintain or increase calcium and boron levels in plants and fruits. Cal-Bor can be applied during periods from cell division, cell enlargement untill fruit colour change, when the plants is in need of calcium and boron. Cal-Bor also contains macro- and micronutrients that is readily available. The freely available natural essential amino acids improve plant nutrient uptake, increase chlorophyll concentration, enhance the degree of photosynthesis and accelerate metabolic processes.