ALUMINIUM TOXICITY: CROP SIGNS & SYMPTOMS

To read the original article referring to these photos click: http://agrispex.co.za/soil-acidity-and-its-management-in-crop-production/

GALLERY CONTENT: Maize(5), Rye Grass (1), Soya Bean(1), Sugar Cane(1)

Maize roots exhibiting severe aluminium-toxicity symptoms – Photo: Dr Neil Miles

 

Aluminum toxicity in maize – Mart Farina, Karkloof 1974

 

Aluminum toxicity in maize – Mart Farina, Karkloof 1974

 

Excessive soil acidity often shows as patches of poor growth in fields, in the case of this maize field, good and poor areas had pH’s of 4.35 and 3.83 and acid saturations of 9 % and 62% respectively – Photo: Dr Mart Farina

 

Aluminum toxicity in maize – Mart Farina, Dundee 1976

 

Another case of excessive soil acidity, patches of poor growth in rye grass with acid saturations of 42 % and 67% respectively. – Photo: Dr Neil Miles

 

Aluminum toxicity and acidity-related disease in soya bean – Mart Farina, Greytown 1994

 

poor penetration of sugarcane roots into a severely acidic subsoil

Poor penetration of sugarcane roots into a severely acidic subsoil – Dr Neil Miles