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Iron nutrition of field crops in black calcareous soils of Thailand: A review
Journal article   Peer reviewed

Iron nutrition of field crops in black calcareous soils of Thailand: A review

P. Parkpian, R.W. Bell, S. Ratanarat and S. Phetchawee
Journal of Plant Nutrition, Vol.11(6-11), pp.1275-1284
1988
DOI: https://doi.org/10.1080/01904168809363885
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Abstract

Iron (Fe) deficiency limits crop production on black calcareous soils (Typic Calciustolls) of Thailand with reports of Fe deficiency becoming more common. Much of the Fe in these soils occurs as free crystalline and amorphous Fe oxides and DTPA extractable Fe is low averaging 6. 4 mg/kg in 20 soils examined. Field studies showed that Fe deficiency could be alleviated by soil amendments such as elemental sulfur or by soil and foliar Fe fertilizer, provided rates of application were high enough. However, since soil amendment and Fe fertilizer use is costly, preliminary research into cultivar selection for Fe efficiency has begun with peanuts. Kernel yields in 20 cultivars were inversely related to Fe chlorosis scores. Standards for diagnosis and prediction of Fe deficiency in field crops are being developed for soil and plant analyses using DTPA and o‐phenanthroline, respectively.

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#2 Zero Hunger

Source: InCites

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20 Record Views
2 Times Cited - Web of Science

InCites Highlights

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Collaboration types
International collaboration
Citation topics
3 Agriculture, Environment & Ecology
3.4 Crop Science
3.4.1474 Micronutrient Interactions
Web Of Science research areas
Plant Sciences
ESI research areas
Plant & Animal Science
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