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1Fate of fertilizer nitrogen in irrigated fields under semi-arid conditions Fate of fertilizer nitrogen in irrigated fields under semi-arid conditionspor Rawitz, E., Joint FAO/IAEA Div. of Atomic Energy in Food and Agriculture, Vienna (Austria) eng, Research Co-ordination Meeting on Soil Nitrogen as Fertilizer or Pollutant eng 3 Jul 1978 Piracicaba (Brazil), Burns, S., Etkin, H., Hardiman, R., Hillel, D., Gesellschaft fuer Strahlen- und Umweltforschung G.m.b.H., Munich (Germany, F.R.) oth
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