Nigel Cattlin / Greenhouse grown Tomatoes (Solanum lycopersicum) on canes where the fruit is suffering from severe blossom end rot, Berkshire, England, UK. August

Rod Williams / Eld's deer {Cervus eldi} from South-east asia data deficient, captive

Nigel Cattlin / Yellowing leaves of a Capsicum pepper (Capsicum annuum) plant with iron defficiency in a greenhouse, Berkshire, UK, August.

Nigel Cattlin / Necrosis and chlorosis on potato leaflets, a symptom of magnesium deficiency in a garden crop, Berkshire, UK, July.

Nigel Cattlin / Wilting and necrosis caused by boron deficiency, Bo, on a sugar beet plant in Champagne Region, France, Septrember

Nigel Cattlin / Wilting and necrosis caused by boron deficiency, Bo, on a sugar beet crop in Champagne Region, France, Septrember

Nigel Cattlin / Bitter pit, dark spots in the flesh of an apple caused by a lack of calcium (Calcium deficiency) late in the season in dry conditions.

Nigel Cattlin / Interveinal chlorosis a symptom of manganese deficiency on an apple leaf

Nigel Cattlin / Interveinal chlorosis and necrosis symptoms of magnesium (Mg) deficiency on the leaves of a Chardonnay grapevine, Champagne Region, France

Nigel Cattlin / Magnesium deficiency symptoms, reddening of leaves on Pinot Noir wine grapes in fruit, Champagne Region, France

Nigel Cattlin / Interveinal leaf necrosis caused by manganese (Mn) deficiency in Pinot Noir grapes in the Champagne Region of France

Nigel Cattlin / Necrotic lesions and damage on the margin of a Pinot Noir grapevine leaf caused by manganese deficiency, Champagne, France