SOIL ACIDITY. Lime is needed by soils foil too rich iv nitrogen diet, says a report to the American Chemical Society recently, made hv the Now Jersey Agricultural Experiment Station. If the nitrogen is administered as sulphate of ammonia over a long period of years the soil becomes so acid as practically lo prevent growth. This may be corrected if lime is added at intervals ot five years. Heavy applications of manure tend to correct the unfavourable conditions brought about by the continued use of sulphate of ammonia without lime, the report Hates. Manure also was found to increase the fertility of the soil more when used in combination with nitrate of soda than when the same quantity of nitrogen was tided to Hie soil solely through the use oi manure or nitrate of soda.
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Hokitika Guardian, 16 June 1924, Page 1
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135Untitled Hokitika Guardian, 16 June 1924, Page 1
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