15=fifteenN in research on the availability and crop use of nitrogen
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| Format: | Texto biblioteca |
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1971
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| Subjects: | FAO IAEA, NITROGEN, ABSORPTION, CROPS, RESEARCH, RADIOISOTOPES, PLANT SOIL RELATIONS, TRACER TECHNIQUES, MEASUREMENT, PLANT WATER RELATIONS, PLANT NUTRITION, AZOTE, PLANTE DE CULTURE, RECHERCHE, ISOTOPE RADIOACTIF, NITROGENO, ABSORCION, CULTIVOS, INVESTIGACION, RADIOISOTOPOS, RELATION PLANTE SOL, TECHNIQUE DES TRACEURS, MESURE, RELATION PLANTE EAU, NUTRITION DES PLANTES, RELACIONES PLANTA SUELO, TECNICAS DE TRAZADORES, MEDICION, RELACIONES PLANTA AGUA, NUTRICION DE LAS PLANTAS, |
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