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1The value of symbiontic nitrogen fixation by grain legumes in comparison to the cost of nitrogen fertilizer used in developing countries The value of symbiontic nitrogen fixation by grain legumes in comparison to the cost of nitrogen fertilizer used in developing countriesby Hardarson, G., FAO, Rome (Italy). Plant Production and Protection Div. eng, Bunning, S., Montanez, A., Roy, R., MacMillan, A., Hardarson, G. (ed.), Broughton, W.J. (ed.), Joint FAO/IAEA Div. of Nuclear Techniques in Food and Agriculture, Vienna (Austria) eng
Published 2003Texto bibliotecaFAO IT