āĻŽā§āϝāĻžāĻā§āϰā§āύāĻŋāĻāĻā§āϰāĻŋāϝāĻŧā§āύā§āĻāϏ āĻšāϞ āϏā§āĻ āĻāύāĻŋāĻ āĻāĻĒāĻžāĻĻāĻžāύ āϝāĻž āĻāĻĻā§āĻāĻŋāĻĻā§āϰ āϏā§āϏā§āĻĨ āĻŦā§āĻĻā§āϧāĻŋāϰ āĻāύā§āϝ āĻĒā§āϰāĻā§āϰ āĻĒāϰāĻŋāĻŽāĻžāĻŖā§ āĻĒā§āϰāϝāĻŧā§āĻāύā§ā§āĨ¤ āĻāϝāĻŧāĻāĻŋ āĻĒā§āϰāĻžāĻĨāĻŽāĻŋāĻ āĻŽā§āϝāĻžāĻā§āϰā§āύāĻŋāĻāĻā§āϰāĻŋāϝāĻŧā§āύā§āĻ āĻšāϞ: āύāĻžāĻāĻā§āϰā§āĻā§āύ (N), āĻĢāϏāĻĢāϰāĻžāϏ (P), āĻĒāĻāĻžāĻļāĻŋāϝāĻŧāĻžāĻŽ (K), āĻā§āϝāĻžāϞāϏāĻŋāϝāĻŧāĻžāĻŽ (Ca), āĻŽā§āϝāĻžāĻāύā§āϏāĻŋāϝāĻŧāĻžāĻŽ (Mg), āĻāĻŦāĻ āϏāĻžāϞāĻĢāĻžāϰ (S)āĨ¤ āĻŽāĻžāĻāĻŋ-āĻāĻŋāϤā§āϤāĻŋāĻ āĻāĻžāώā§, āĻāĻā§āϞāĻŋ āĻā§āĻŦ āĻĒāĻĻāĻžāϰā§āĻĨā§āϰ āĻĒāĻāύā§āϰ āĻŽāĻžāϧā§āϝāĻŽā§ āĻāĻāĻļāĻŋāĻāĻāĻžāĻŦā§ āĻĒā§āύāϰāĻžāϝāĻŧ āĻĒā§āϰāĻŖ āĻāϰāĻž āĻšāϝāĻŧāĨ¤ āĻšāĻžāĻāĻĄā§āϰā§āĻĒāύāĻŋāĻā§āϏā§, āĻāĻā§āϞāĻŋ āϏāĻŦāĻ āĻĒā§āώā§āĻāĻŋāĻāϰ āĻĻā§āϰāĻŦāĻŖā§āϰ āĻŽāĻžāϧā§āϝāĻŽā§ āϏā§āύāĻŋāϰā§āĻĻāĻŋāώā§āĻāĻāĻžāĻŦā§ āĻā§āϰāĻŽāĻžāĻā§āĻāĻŋāϤ āĻāύāϤā§āĻŦā§ āϏāϰāĻŦāϰāĻžāĻš āĻāϰāϤ⧠āĻšāϝāĻŧāĨ¤
āĻŽā§āϞ āϤāĻĨā§āϝ
- Primary macros: N, P, K â needed in the highest quantities
- Secondary macros: Ca, Mg, S â needed in significant but smaller amounts
- Calcium strengthens cell walls; deficiency causes tip burn and blossom end rot
- Magnesium is the central atom in chlorophyll; deficiency causes interveinal yellowing
- Sulphur is needed for amino acid synthesis; deficiency causes pale new growth
- All six must be present in balanced ratios â excess of one can block uptake of another