Fruiting of Anna apples in response to application of sewage sludge

摘要

The fate of heavy metals i.e. cadmium, selenium, lead and chromium in the leaves and fruit juice as well as the yield and fruit quality of Anna apples in response to the addition of sewage sludge (250g N/tree) in combined with mineral N source (500g N/tree) were investigated during 1996 and 1997 seasons.