Organic lettuces. Farmer with crates of harvested organically-grown lettuces (Lactuca sativa) by their field. Organic farming is that which excludes the use of artificial fertilisers,pesticides and genetically modified (GM) crops. This is done to ensure the food is not chemically contaminated in any way,and that the immediate environment is not harmed. Lettuces are a source of vitamin C and the minerals potassium and iron | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Fermariello, Mauro |
Taille de l’image : | 5236 px × 3520 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |