I'm looking for some information on the web about
machinery used to prepare soils for different kinds of irrigation.
Please contact me if you have some information of sites or books that
would be useful.
This site has several books on this subject:
http://www.agnet.co.uk/warehouse/ware1/wamachirrig.htm
Other books:
http://shop.barnesandnoble.com/booksearch/isbnInquiry.asp?userid=1LIEOBJBBO=7T9NAC7Q6F4N9J8R7J3CEECUNAUTB6MD=0741803976
and:
http://www.amazon.com/exec/obidos/ASIN/0080255124/o/qid=969821029/sr=8-3/ref=aps_sr_b_1_5/102-6762267-2965743