Vellaichamy, K.Yadava, R.B.R.2014-06-122014-06-122007-02-08Madras agric.J. 1973 v-60 p-170-172http://hdl.handle.net/123456789/2837The affect of washing or removal of surface contaminants, mineral losses and essentiality of with or without midribs were examined. Concentrations of N and P in the levels of arecanut palms were not affected markedly by the washing procedures whereas K content was affected due to leaching. However, washing is not advisable at the time of sample preparation. Leaf laminae without midribs indicated better index for the content of elements.enArticle