Effect of wheat root exudates on mobilization of iron and zinc from calcareous soils
作者： F. Awad , M.A. Mostafa , A.S. El‐Sebaay , M.S. El‐Ashry
DOI: 10.1080/00103629909370340
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摘要: Abstract To study the influence of phytosiderophores (PS) released from some Egyptian wheat cultivars on mobilization and absorption iron (Fe) zinc (Zn) pre‐amended calcareous soils, three selected (Sids 10, Giza 162, Baniswaif 2) were used. The pre‐cultured for 17 days in nylon bags as control root compartment (RC) filled with fine sand provided nutrient solution +/‐ Fe‐EDTA. roots seedlings brought contact further 4 soils. DTPA‐extractable Fe Zn amended soils sludge was much higher than untreated Relative increases extractable or found Fe‐deficient (‐Fe pretreatment) compared Fe‐sufficient plants. amounts Fe‐ Zn‐DTPA different affected by distance central where minimum values reached at more mm. Release ...
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