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Soil moisture

28 February 2007

Dry spots in Kaikoura and Canterbury

Low rainfalls in Kaikoura and in parts of mid Canterbury have delayed soil moisture recharge to normal levels in those areas. Elsewhere in the country, soil moisture levels are near or above normal, except in parts of Otago, where soil moisture deficits were greater than normal at the end of June.

 

Soil moisture deficit in the pasture root zone at the end of June (right) compared with the deficit at the same time last year (centre) and the long-term end of June average (left). The analysis is done for an average soil type where the available water capacity is taken to be 150 mm.

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