Table 2.6.1 Resource status and trends summary for water repellence Ag Soil Ag Soil Zone Summary Condition Trend Confidence in Confidence in Zone condition number 1 Mid West The northern part of this zone Poor Deteriorating Adequate Limited evidence has problems with quality evidence or limited repellence on the pale and and high level of consensus yellow sandplain soils. consensus 2 Mullewa to Morawa The of this low rainfall Good Stable Limited evidence Limited evidence zone generally have no or limited or limited problems with water consensus consensus repellence. Inversion ploughing may be improving the situation. 3 West Midlands This zone is very susceptible Very poor Stable Limited evidence Limited evidence to water repellence due to a or limited or limited high proportion of leached consensus consensus sands and sands over clay or gravel. 4 Central Northern The majority of soils that Fair Stable Limited evidence Limited evidence Wheatbelt have higher clay contents are or limited or limited not vulnerable, although consensus consensus some areas of sandplain are very susceptible to water repellence. 5 Swan to Coastal Most of the aeolian (wind Very poor Stable Adequate Limited evidence Plains deposited) sandy areas are quality evidence or limited severely water repellent. No and high level of consensus problems where alluvial soils consensus occur. 6 Darling Range to Forest soils now in crop Poor Deteriorating Limited evidence Limited evidence South Coast (previously pastures) have or limited or limited severe water repellence consensus consensus problems.
Table 2.6.1 Resource status and trends summary for water repellence Ag Soil Zone number Ag Soil Zone Summary Condition Trend Confidence in condition Confidence in 1 Mid West The northern part of this zone has problems with repellence on the pale and yellow sandplain soils. Poor Deteriorating Adequate evidence and high level of consensus Limited evidence or limited consensus 2 Mullewa to Morawa The of this low rainfall zone generally have no problems with water repellence. Inversion ploughing may be improving the situation. Good Stable Limited evidence or limited consensus Limited evidence or limited consensus 3 West Midlands This zone is very susceptible to water repellence due to a high proportion of leached sands and sands over clay or gravel. Very poor Stable Limited evidence or limited consensus Limited evidence or limited consensus 4 Central Northern Wheatbelt The majority of soils that have higher clay contents are not vulnerable, although some areas of sandplain are very susceptible to water repellence. Fair Stable Limited evidence or limited consensus Limited evidence or limited consensus 5 Swan to Coastal Plains Most of the aeolian (wind deposited) sandy areas are severely water repellent. No problems where alluvial soils occur. Very poor Stable Adequate evidence and high level of consensus Limited evidence or limited consensus 6 Darling Range to South Coast Forest soils now in crop (previously pastures) have severe water repellence problems. Poor Deteriorating Limited evidence or limited consensus Limited evidence or limited consensus quality quality
2.6%20Water%20repellence%20-%20Word.docx