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Grubs grow up to 1 cm in length, have a slightly curved, legless body and are creamy white in colour with a tan-brown head. They live below the soil surface, and feed on roots and cambium at the base of trunks. They mostly cause damage to herbaceous plants, particularly those growing in containers, where root growth is restricted.
By 25 million years ago, Ireland was close to assuming its present position. From then on, a long period of erosion resulted in considerable soil formation mantling most of the bedrock. In areas with good drainage, the covering consisted of brown or grey soil, while in poorly drained areas, black clay tended to dominate.
The oldest surface rocks are found in northwest Scotland and are more than half as old as the planet. These rocks are thought to underlie much of Great Britain (although boreholes have only penetrated the first few kilometres), but next appear extensively at the surface in Brittany and the Channel Islands .
However, white grubs (reaching 40–45 mm long when full grown) live in the soil and feed on plant roots, especially those of grasses and cereals, and are occasional pests in pastures, nurseries, gardens, and golf courses. An obvious indication of infestation is the presence of birds, such as crows, peeling back the grass to get to the grubs.
Luhasoo bog in Estonia.The mire has tussocks of heather, and is being colonised by pine trees.. This is a list of bogs, wetland mires that accumulate peat from dead plant material, usually sphagnum moss. [1]
"Drift" geology is often more important than "solid" geology when considering building works, drainage, siting water boreholes, soil fertility, and many other issues. Glaciation and the resulting glacial and fluvio-glacial deposition has had a major impact on the landscape of England covering many areas with a veneer of glacial till in the ...
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Niphargus glennei (Spooner) – the south-western ground water shrimp is found in Cornwall and Devon. [13] Niphargus irlandicus – found in aquifers and cave systems across most of southern and central Ireland; Niphargus wexfordensis – found in Wexford, Ireland