Effects of carbon dioxide and iron enrichment of a calcareous soil on Fe‐chlorosis, root and shoot development of grain sorghum

Effect of monosilicate, phosphate, and carbonate on iron dissolution by mugineic acid

“…The adsorption of carbon dioxide on an iron mineral was observed by Russell et al (1975). Matocha and Mostaghimi (1988), however, reported that high concentrations of carbon dioxide in soil hardly affected the occurrence of iron deficiency in sorghum.…”

Effects of soil water levels on solution bicarbonate, chlorosis and growth of sorghum

“…Moisture regime 2 resulted in significantly (p < 0.05) greater dry matter accumula- CO2 levels may have been growth-limiting. Earlier studies using a similar soil showed reduced sorghum shoot growth when soil CO2 levels were enhanced (Matocha and Mostaghimi, 1988). Moisture regimes 1 and 3 were designed so that at the wettest point the soil matric potential would have been -0.033 MPa if the matric potential was equal throughout the column.…”

Environmental risks and impacts of carbon dioxide (CO2) leakage in terrestrial ecosystems

“…they suggest that the enhanced resistance of rice to the effects of Co 2 is due to the presence of a gas transport pathway in the plant stems of rice which enables them to withstand flooding (which often causes [CO 2 ] to exceed 50 %). Severe effects on root growth have also been found in sorghum (Matocha and Mostaghimi, 1988), peas, beans, field beans and sunflower (Stolwijk and thimann, 1957). Conversely, oats and barley showed little response to Co 2 (Stolwijk and thimann, 1957).…”

“…Decreases in nutrient uptake were observed by Chang and Loomis (1945) and Kimball et al, (1986). Matocha and Mostaghimi (1988) found in sorghum that soil Co 2 enrichment depressed the response to applied Fe leading to iron deficiency-induced chlorosis, possibly due to an increase in pH, and that phosphorus uptake was reduced by almost 90 %. Bunnell et al (2002) found that high Co 2 levels decreased the cytoplasmic ph of root cells in creeping bentgrass, thereby interfering with nutrient and water uptake and © Woodhead Publishing Limited, 2010 stunting root growth.…”