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2Study on crop water potential productivity and sustainable developing countermeasure in a typical north China arid area Study on crop water potential productivity and sustainable developing countermeasure in a typical north China arid areaby Long, M., FAO, Rome (Italy) eng, Chen Fu, Diepenbrock, W., Liu Xunhao, El Bassam, N. (ed.), Behl, R.K. (ed.), Prochnow, B. (ed.), Bundesforschungsanstalt fuer Landwirtschaft, Braunschweig (Germany) oth
Published 1998Texto bibliotecaFAO IT