Copper Sulphate Granule Pentahydrate 25% (BioGro 4993) food grade leading to yield reductions of

leading to yield reductions of 10–20% if uncorrected

especially in crops like maize and cereals

Contains powerful natural chelating agents

81% Calcium (as nitrate) 9

Nitrogen (as ammonium) 4

Copper Sulphate Granule Pentahydrate 25% (BioGro 4993) food grade leading to yield reductions ofCopper sulphate (CuSO) is a valuable source of copper (Cu), an essential trace mineral for crops and pastures. It provides multiple benefits that enhance plant health and productivity, especially in copper deficient soils, which can be an issue in some New Zealand (NZ) regions. Below is a concise overview for a grower, including deficiency symptoms and NZ specific references. Benefits of Copper Sulphate to Crops and Pastures Supports Enzyme Function