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3. Crop Evapotranspiration - Guidelines for Computing Crop Water Requirements - FAO Irrigation and Drainage Paper 56;Allen,1998
4. Nutritional changes in the essential trace elements content of asparagus during industrial processing;Amaro López;Food Res. Int.,1999
5. Study of chromium and nickel content in white asparagus (Asparagus officinalis L.);Amaro López;Nahrung,1997