00409nam a2200133Ia 4500008004100000082001800041100002100059245004500080260005100125300000800176650004100184650003400225653001600259170901s1998    xx            000 0 und d  a631.586bW46D  aWidtsoe, John. A 0aDry FarmingbFor Sustainable Agriculture  aVyas NagarbAllied Scientific Publishersc1998  a445  aAgriculture and related technologies  aTechnology (Applied sciences)  aDry farming