Practical Manual on Better Management Practices for Tambak ...

• It is easy to remove it when the soil is semi dried (slightly wet).• Displace it in the ditch created on the top of embankment and cover it withgood soil or deposit far away from the tambak site.• Make sure that the displaced organic waste does not enter the pond again throughrain washing and it doesn’t cause environmental problem in displaced site.• If the organic waste can’t be removed at one time (e.g. because of high costs ofremoval) remove a proportion of it. Continue to remove some of the waste ateach new crop cycle until the pond is completely cleaned.• Be careful if using mechanical means to remove the sludge. This may exposeacid sulphate soils. Request technical assistance, and test the soil.• If it is difficult to completely remove the black soil (tilling), turn the soil when itis wet and let it dry.Black soilNormal soilBetter Management Practices for Tambak Farming in Aceh | 14