Catalytic Degradation of Formaldehyde with Fe3+/TiO2 Modified Bamboo Charcoal Effects of different salinity and iron concentration on growth, nitrate reductase activity and its expression in Chlorella Effects of Fe3+ on Growth and Fluorescence Characteristics of Haematococcus pluvialis Effects of Fe3+ on the Growth and Oil Content of Chlorella vulgaris for Biodiesel Production Study on resistance to iron deficiency in peanut cultivars and physiological traits PHYSIOLOGICAL RESPONSES OF CITRUS ROOTS TO Fe DEFICIENCY