Studies were made under red lateritic soils of Vamban for finding out the effects of soil amendments, both organic and inorganic like pressmud, rice husk, FYM, lime and gypsum on the soil physical properties and yield of groundnut. The results revealed that the yield of groundnut was signi ficantly increased by application of lime (4 t/ha). Soil hardness was not significantly affected, How ever, the pH of soil was significantly increased due to application of lime (4 t/ha) and pressmud (5 tha). There was indications of the residual effects of amendments on the subsequent crop, blackgram.
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