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Effect of tile drainage system on potatoes plant response to nitrogen fertilization [electronic resource].

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El-Araby, A. A

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Language: English Summary language: Arabic Description: P. 397-407Other title:

تأثير نظام الصرف المغطى على استجابة نبات البطاطس للتسميد النيتروجينى [Added title page title]

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Minufiya journal of agricultural research, 2012 v. 37 (2) [electronic resource].

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In: Minufiya Journal of Agricultural Research 2012. v.37(2)Summary: A field study was carried out through two successive winter seasons of 2010/2011 and 2011 / 2012 on clay soil of Kafr EI-Zayat area, Gharbiya Governorate to study nitrogen fertilization efficiency and its effect on potatoes plant growth under tile drainage system conditions. Nitrogen forms (NH4-N and N03-N) distribution through different soil depths, ground water and drainage water were studied. the distance between each two laterals was 20 m and its depth was 150 cm. In this study, nitrogen fertilization was added as ammonium nitrate (33% N) at rates of 0 and 500 kglfed. The following determinations i.e. ground water level, nitrogen forms and its content in different soil depths, ground water, drainage water, potatoes yield and its content of nitrogen were carried out at different growth stages and at different distances from laterals.

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A field study was carried out through two successive winter seasons of 2010/2011 and 2011 / 2012 on clay soil of Kafr EI-Zayat area, Gharbiya Governorate to study nitrogen fertilization efficiency and its effect on potatoes plant growth under tile drainage system conditions. Nitrogen forms (NH4-N and N03-N) distribution through different soil depths, ground water and drainage water were studied. the distance between each two laterals was 20 m and its depth was 150 cm. In this study, nitrogen fertilization was added as ammonium nitrate (33% N) at rates of 0 and 500 kglfed. The following determinations i.e. ground water level, nitrogen forms and its content in different soil depths, ground water, drainage water, potatoes yield and its content of nitrogen were carried out at different growth stages and at different distances from laterals.

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