000			00652nam a2200193Ia 4500
008			140208s9999 xx 000 0 und d
020			_a10701494
044			_aU.S.A.
080			_a635.217 58 E73A
100			_aAlford, A. Randall.
245			_aEcology, economic and management of potato cropping systems : a report of the first four years of the Maine potato ecosystem project _cA. Randall Alford ... [et al .].
260			_bUniversity of Maine _aOrono _c1996
300			_avi, 204p.; 23cm.
700			_aDrummond, Francies A.
700			_aGallandt, Eric R.
700			_aGroden, Eleanor
700			_aLambert, David. A.
942			_2udc _cPB
999			_c28779 _d28779