Phosphate uptake and polyphosphate metabolism of mycorrhizal and nonmycorrhizal roots of pine and of Suillus bovinus at varying external pH measured by in vivo (31)P-NMR

absorption de substances nutritives citoplasma cultivo puro culture pure cytoplasm cytoplasme einlagerung espectroscopia rmn fisiologia vegetal fosfatos metabolism metabolisme metabolismo mycorrhizae nmr spectroscopy nutrient uptake nutrition des plantes pepiniere ph del suelo ph du sol phosphate phosphates pinus sylvestris plant nurseries plant nutrition plant physiology racine roots soil ph sole cropping spectroscopie rmn suillus vacuole vacuoles viveros