Leaf mould,turf loam and garden soil

Bildnummer 11685006
Leaf mould,turf loam and garden soil
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
Lizenzart: Lizenzpflichtig
Credit: Science Photo Library / Burgess, Dr. Jeremy
Bildgröße: 5212 px × 3468 px
Modell-Rechte: nicht erforderlich
Eigentums-Rechte: nicht erforderlich
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