Healthy soil containing a worm (phylum Annelida) from a farm in Washington DC, USA. This farm uses cover crop, which is a crop planted primarily to improve soil stability and water retention. These features improve nutrient availability in soil, and encourage the presence of certain worms which can further improve soil health. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / US DEPARTMENT OF AGRICULTURE / Lance Cheung |
Taille de l’image : | 4739 px × 3700 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |