Blockcorn German compound 17-12-12 (1 kg)

Contains: 12% nitrogen 12% phosphorus 17% potassium 2% magnesium 21% sulfur 0.2% boron 0.6% iron 0.10% zinc and rich in potassium, therefore used for potassium-deficient soils or soils that require a lot of potassium. Each granule contains all the micro and macro nutrients necessary for the plant. Made in Germany