Greetings, Please visit the link below and browse down for the shloka. According to the information given here there are eight trees upon its plantation in eight directions; improves the fertility of the fields/farm. http://www.loksatta.com/index.php?option=com_content&view=category&layout=blog&id=269&Itemid=272 It is Marthi newspaper "LOKSATTA", have written down the names; for your immediate reference, at East : Banyan (वड) North : Chilla (पिंपरी ) North east(Ishanya) : silk cotton tree (काटे सावर ) West : Ficus religiosa Linn.( पिंपळ ) North west(Wayavya) : Neem (कडूलिंब ) South :Ficus hispida ( उंबर) South east (Agneya) : Garlic pear tree, Caper tree,(वरूण ) South west (Nairutya) : Indian Cherry (भोकर ) E&OE Courtsey: search engine, while confirming the english/commmon names for the above; came across this PDF file-book; since it was not found in the list compiled by Shri J M Gargji; have added the link below: name of file: COMMON TREES, Dr. H. Santapau,INTRODUCTION
http://www.arvindguptatoys.com/arvindgupta/santapau.pdf Sorry for the inconveniences, Thanks with Regards, geeta rane