Losses over 18 weeks of iron (Fe) in leachates from several peats and wood wastes that had been amended with ferrous sulfate (FeSO4.7H2O) were generally less than 1% of the total Fe in the material. Increasing additions of Fe either had little effect on Fe losses in leachates or lowered them, mainly through a lowering in the concentration of Fe-organic complexes in leachates. DTPA-extractable Fe in wood wastes did not decline with leaching but there were some reductions in peats. The data suggest that a single pre-plant addition of 0.75-1.0 g/L FeSO4.7H2O would supply enough Fe for at least six months of plant growth in media based on peat with a low native Fe content.
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Communications in soil science and plant analysis
ISSN
0010-3624
出版者
Elsevier Ltd
其它主题
Application rate; Waste wood; Iron fertilizers; Retention
语言
英语
类型
Text; Journal Article
2024-02-27
MODS