Leaf mould,turf loam and garden soil
Numéro d’image : 11685006
| Three samples of different soil components.Leaf mould (left) is produced by the bulk decomposition of fallen autumn leaves. It has a high humus content and an open structure,but is low in plant nutrients. Turf loam (centre) is made by cutting turves and stacking for a period of 6 months or more. It has a low humus content,but a good balance of mineral particles ranging in size from clays through silts up to sand. The the right of the picture is a sample of soil from a garden in Norfolk UK. The garden soil is also of a low humus content,and contains mineral particles of larger sizes than the turf loam ( grits,gravel ). None of these samples is ideal for growing plants in pots on its own. A good compost requires a mixture of loam,with added humus,and added sand or grit to improve its drainage characteristics,together with fertilisers and lime to adjust the pH | |
| Licence : | Droits gérés |
| Crédit: | Science Photo Library / Burgess, Dr. Jeremy |
| Taille de l’image : | 5212 px × 3468 px |
| Model Release : | Non requis |
| Property Release : | Non requis |
| Restrictions : | - |
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