00631cam a22002053a 45000010005000000030006000050050017000110080041000280400015000690420007000840500007000911000038000982450125001362600029002615060030002905160020003206530016003408300028003568560041003844924PGUSA20140828083111.0040101s2004||||xxu|||||s|||||000 | eng d aPGUSAbeng adc 4aSB1 aWidtsoe, John Andreas,d1872-195210aDry-Farming :bA System of Agriculture for Countries under a Low Rainfallh[electronic resource] /cJohn Andreas Widtsoe bProject Gutenberg,c2004 aPublic domain in the USA. aElectronic text aDry farming 0aProject Gutenbergv492440uhttp://www.gutenberg.org/ebooks/4924