Leaf spray with Ti(IV) ascorbate improves the iron uptake and iron activity in Capsicum annuum L. plants.- Chemical reactions in soils that affect iron availability to plants. A quantative approach.- Selection of the soil Fe test most reliable in central Europe.- Function of iron in plants with special emphasis on chloroplasts and photosynthetic activity.- Purification and characterization of nicotianamine synthase from Fe-deficient barley roots.- Inductions of two enzyme activities involved in the biosynthesis of mugineic acid in Fe-deficient barley roots.- Phloem translocation of Fe, Cu, Mn, and Zn in Ricinus seedlings in relation to the concentrations of nicotianamine, an endogenous chelator of divalent metal ions, in different seedling parts.- Iron-dependent changes of heavy metals, nicotianamine, and citrate in different plant organs and in the xylem exudate of two tomato genotypes. Nicotianamine as possible copper translocator.- Modification of the growth and the competitiveness of a Bradyrhizobium strain obtained through affecting its siderophore-producing ability.- Transfer cell formation in sugar beet roots induced by latent Fe deficiency.- Effects of various inhibitors on in vivo reduction by Plantago lanceolata L. roots.- Effect of some biological methods to improve Fe-efficiency in grafted grapevine.- Environmental aspects of sewage sludge and evaluation of super absorbent hydrogel under Egyptian conditions.- Effect of root exudates on mobilization in the rhizosphere and uptake of iron by wheat plants.- Iron availability, electrochemical changes and nutrient content of rice as influenced by green manuring in a submerged soil.- On-farm performance of groundnut genotypes under different land configurations and foliar iron sprays for the correction of iron chlorosis on calcareous soils in India.- Strategies for the genetic improvement of Fe efficiency in plants.- Alkalinity-bicarbonate-calcium effects on iron chlorosis in white lupine in soilless culture.- Influence of ?, ? and ? treatments of several physiological and biochemical iron indicators in melon plants irrigated with brackish water.- Iron nutrition in wild plants growing in two different soils.- Response to iron chlorosis of different hydroponically grown Citrus varieties.- Iron fertirrigation.- Soil factors and Fe content in wild herbaceous plants.- A genetical approach to iron chlorosis in deciduous fruit trees.- A comparison of extraction methods for evaluating Fe and ? in flooded rice soils.- Effects of iron deficiency on photosynthetic structures in peach (Prunus persica L. Batsch) leaves.- Acid-spray regreening of kiwifruit leaves affected by lime-induced iron chlorosis.- Differences in tolerance to iron deficiency among olive (Olea europaea L.) cultivars.- Evaluation of experimental peach rootstocks grown in nutrient solutions for tolerance to iron stress.- Agronomic and horticultural aspects of iron and the law of the maximum.- Metal uptake by iron-efficient and inefficient oats.- Effect of metal chelators of the pyridine series on chlorophyll pheophytinization.- Effects of root temperature on iron stress responses.- The ability of several iron (II)-humic complexes to provide available iron to plants under adverse soil conditions.- Synthetic iron oxides as sources of Fe in a hydrophonic culture of sunflower.- The influence of the iron content on the superoxide dismutase activity and chloroplast ultrastructure of Citrus limon.- Iron and Fusarium wilts in banana crops on Andic soils.- Plant growth and nutrient uptake characteristics of Fe-deficiency chlorosis susceptible and resistant subclovers.- Molecular and cellular biology of plant ferritins.- Iron-manganese interactions in peanut plants as influenced by the source of applied iron.- Physiology and biochemistry of leaves under iron deficiency.- Biosynthesis of avenic acid A in oat cv. Onward: Studies with 14c or 15N labeled compounds.- Rootstock effect on yield and mineral nitrition of "Maycrest" peach trees under conditions of lime-induced chlorosis.- Role of soil carbonate and iron oxide in iron nutrition of soybean in calcareous soils of Egypt and the United States.- Effects of iron-deficiency in photosynthetic electron transport and nitrogen fixation in the cyanobacterium Anabaena: Flavodoxin induction as adaptative response.- Physiological characterization of two peach seedling rootstocks in bicarbonate nutrient solution. I. Root iron reduction and iron uptake.- Stimulated growth and correction of Fe-deficiency with trunk- and foliar-applied methanol-soluble nutrient amendments.- Molecular strategies of iron acquisition by bacteria: The Fur protein and the aerobactin case history.- Iron reductase systems on the plant plasma membrane - A review.- Partial amino acid sequences of a peptide induced by Fe deficiency in barley roots.- Floral analysis: A novel approach for the prognosis of iron deficiency in pear (Pyrus communis L.) and peach (Prunus persica L. Batsch).- Strategies of plants for acquisition of iron.- Iron availability in plant tissues - Iron chlorosis on calcareous soils.