āĻŽā§āĻā§ā§°'āĻ¨āĻŋāĻāĻā§ā§°āĻŋāĻ¯āĻŧā§āĻ¨ā§āĻāĻ āĻšā§āĻā§ āĻāĻ¨āĻŋāĻ āĻŽā§āĻ˛ āĻ¯āĻŋāĻŦā§ā§° āĻāĻĻā§āĻāĻŋāĻĻāĻ āĻ¸ā§āĻŦāĻžāĻ¸ā§āĻĨā§āĻ¯āĻā§°āĻāĻžā§ąā§ āĻŦā§āĻĻā§āĻ§āĻŋ āĻš'āĻŦāĻ˛ā§ āĻ¯āĻĨā§āĻˇā§āĻ āĻĒā§°āĻŋāĻŽāĻžāĻŖā§ āĻĒā§ā§°āĻ¯āĻŧā§āĻāĻ¨ āĻšāĻ¯āĻŧāĨ¤ āĻāĻ¯āĻŧāĻāĻž āĻĒā§ā§°āĻžāĻĨāĻŽāĻŋāĻ āĻŽā§āĻā§ā§°'āĻ¨āĻŋāĻāĻā§ā§°āĻŋāĻ¯āĻŧā§āĻ¨ā§āĻāĻ āĻš'āĻ˛: āĻ¨āĻžāĻāĻā§ā§°āĻā§āĻ¨ (N), āĻĢāĻāĻĢā§°āĻžāĻ (P), āĻĒāĻāĻžāĻāĻŋāĻ¯āĻŧāĻžāĻŽ (K), āĻā§āĻ˛āĻāĻŋāĻ¯āĻŧāĻžāĻŽ (Ca), āĻŽā§āĻāĻ¨ā§āĻāĻŋāĻ¯āĻŧāĻžāĻŽ (Mg), āĻā§°ā§ āĻāĻžāĻ˛āĻĢāĻžā§° (S)āĨ¤ āĻŽāĻžāĻāĻŋ-āĻāĻŋāĻ¤ā§āĻ¤āĻŋāĻ āĻā§āĻ¤āĻŋāĻ¤, āĻāĻāĻŦā§ā§° āĻā§ā§ąāĻŋāĻ āĻĒāĻĻāĻžā§°ā§āĻĨā§° āĻĒāĻāĻ¨ā§° āĻĻā§āĻŦāĻžā§°āĻž āĻāĻāĻļāĻŋāĻāĻāĻžā§ąā§ āĻĒā§āĻ¨ā§° āĻĒā§ā§°āĻŖ āĻšāĻ¯āĻŧāĨ¤ āĻšāĻžāĻāĻĄā§ā§°'āĻĒāĻ¨āĻŋāĻā§āĻ¸āĻ¤, āĻāĻ āĻ¸āĻāĻ˛ā§āĻŦā§ā§° āĻĒā§āĻˇā§āĻāĻŋāĻā§° āĻĻā§ā§°ā§ąāĻŖā§° āĻā§°āĻŋāĻ¯āĻŧāĻ¤ā§ āĻ¸āĻ āĻŋāĻāĻāĻžā§ąā§ āĻā§āĻ˛āĻŋ āĻŦā§ā§°ā§āĻā§āĻĄ āĻāĻ¨āĻ¤ā§āĻŦāĻ¤ āĻ¯ā§āĻāĻžāĻ¨ āĻ§ā§°āĻŋāĻŦ āĻ˛āĻžāĻāĻŋāĻŦāĨ¤
āĻŽā§āĻ˛ āĻ¤āĻĨā§āĻ¯
- 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