Sulphur is an essential nutrient for healthy plant growth. Like calcium, sulphur is not easily mobile within plant tissues, so a continuous supply is needed for growing plants.
Check for yellowing young upper leaves and stunted growth.
The macro nutrients that plants need in relatively large quantities are nitrogen (N), sulphur (S), phosphorus (P), potassium (K), calcium (Ca) and magnesium (Mg). But plants also need trace elements in small quantities for healthy growth. Trace elements include; iron (Fe), manganese (Mn), boron (B), copper (Cu), zinc (Zn), molybdenum (Mo) and humic acids.
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