Abstract
An attempt was made to relate an Fe-index based on levels of nutrients determined in leaves to production of horticultural crops. The Fe-index is defined as follows:
where: Fe = μg Fe/g dry matter; P= % phosphorus in dry matter; K= % potassium in dry matter.
The Fe-index was measured on tomato (Lycopersicum esculentum Mill.), pepper (Capsicum annuum L.), Cucumber (Cucumis sativus L.), navy beans (Phaseolus vulgaris L.), muskmelon (Cucumis melo L.) and watermelon (Citrullus lanatus Mansfeld). The present study was designed to determine the values of the Fe-index for these common horticultural crops in relation to fruit yield.
The Fe nutritional status of individual horticultural plants were diagnosed and some of the nutritional problems limiting their production were considered. We concluded that the optimal range of the Fe-index for each species is: tomato (0.91–1.01), pepper (0.55–0.66), navy beans (0.55–0.59), cucumber (0.98–1.05), muskmelon (0.82–0.89) and watermelon (0.60–0.66).
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© 1991 Springer Science+Business Media Dordrecht
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Guzmán, M., Urrestarazu, M., Romero, L. (1991). Iron index in horticultural crops. In: Chen, Y., Hadar, Y. (eds) Iron Nutrition and Interactions in Plants. Developments in Plant and Soil Sciences, vol 43. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-3294-7_44
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DOI: https://doi.org/10.1007/978-94-011-3294-7_44
Publisher Name: Springer, Dordrecht
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