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Status of total and chemically available nutrient in the interferance area between El-Fayoum and Nile Valley [electronic resource].

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Abd Alla, Manal A

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Language: English Summary language: Arabic Description: P. 333-350Other title:

حالة بعض المغذيات الكلية والميسرة فى اراضى التداخل بين الفيوم ووادى النيل [Added title page title]

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Journal of biological chemistry and environmental sciences, 2009 v. 4 (4) Part 2 [electronic resource].

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In: Journal of Biological Chemistry and Environmental Sciences 2009.v.4(4)2Summary: Sixteen soil profiles were selected from physiographic units representing the interference area between El-Fayoum Governorate and Nile Valley in order to study their total and DTPA-extractable nutrition elements. Moreover, the relation between total and available micronutrients and some soil variables was undertaken. Total Fe, Mn, Zn and Cu varies from 1500 to 37000, 32 to 535, 7.0 to 95.0 and 11.8 to 60.0 mg kg-1 soil, respectively. DTPA-extractable Fe, Mn, Zn and Cu ranged from 2.0 to 22.5, 0.3 to 7.3, 0.15 to 2.4, and 0.25 to 1.4 mg kg-1 soil, respectively. Generally, the soils of El-Fayoum and the Nile valley contain the high values of Fe, Mn, and Zn, while the interference soils contain the high values of Cu. The data show that, DTPA-extractable micronutrients are in adequate amounts in all the studied surface samples, except for the soils of old and young terraces which are low.

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Sixteen soil profiles were selected from physiographic units representing the interference area between El-Fayoum Governorate and Nile Valley in order to study their total and DTPA-extractable nutrition elements. Moreover, the relation between total and available micronutrients and some soil variables was undertaken. Total Fe, Mn, Zn and Cu varies from 1500 to 37000, 32 to 535, 7.0 to 95.0 and 11.8 to 60.0 mg kg-1 soil, respectively. DTPA-extractable Fe, Mn, Zn and Cu ranged from 2.0 to 22.5, 0.3 to 7.3, 0.15 to 2.4, and 0.25 to 1.4 mg kg-1 soil, respectively. Generally, the soils of El-Fayoum and the Nile valley contain the high values of Fe, Mn, and Zn, while the interference soils contain the high values of Cu. The data show that, DTPA-extractable micronutrients are in adequate amounts in all the studied surface samples, except for the soils of old and young terraces which are low.

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