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The signs of the lack of major mineral elements, trace substances (photos)
The photos of the appearance of the lack of nutrients (W. Bergman) are listed in the links below.
Major mineral elements
The signs of the lack of nitrogen (N)
The signs of the lack of phosphorus (P)
The signs of the lack of potassium (K)
The signs of the lack of calcium (Ca)
The signs of the lack of magnesium (Mg)
The signs of the lack of sulfur (S)
Trace substances
The signs of the lack of iron (Fe)
The signs of the lack of copper (Cu)
The signs of the lack of zinc (Zn)
The signs of the lack of manganese (Mn)