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Efficiency of soil and foliar phosphorus applications under different nitrogen levels on potato production [electronic resource].

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Ramadan, H.M

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Language: English Summary language: Arabic Description: P.247 - 265Other title:

كفاءة استخدام التسميد الفوسفاتى الأرضى والورقي تحت مستويات مختلفة من السماد النيتروجينى على انتاجية محصول البطاطس [Added title page title]

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Minufiya journal of agricultural research, 2003 v. 28 (1) [electronic resource].

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In: Minufiya Journal of Agricultural Research 2003. v.28(1)Summary: The present Investigation was conducted to study the interactive effect of nitrogen (N)rates of 120 and 180 kg. Fed-1 and soli-foliar combined phosphorus (P) treatments on plant growth, tuber yield and tuber quality of potato, Diamant variety (Solanum tuberosum L.), under relatively high pH soli. Seven P fertilization treatments were investigated. Phosphorus treatments were the combinations of two foliar concentrations, i.e., 500 and 1000 ppm P205 and basal dressings of 0, '20 and 40 kg P205. Fed-1, In addition to the recommended rate of 60 kg P205. Fed-1 soli phosphorus as a check control. All soil phosphorus amendments were applied before planting during soli preparation, whereas foliar treatments were sprayed at complete plant emergence and at two weeks later.

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The present Investigation was conducted to study the interactive effect of nitrogen (N)rates of 120 and 180 kg. Fed-1 and soli-foliar combined phosphorus (P) treatments on plant growth, tuber yield and tuber quality of potato, Diamant variety (Solanum tuberosum L.), under relatively high pH soli. Seven P fertilization treatments were investigated. Phosphorus treatments were the combinations of two foliar concentrations, i.e., 500 and 1000 ppm P205 and basal dressings of 0, '20 and 40 kg P205. Fed-1, In addition to the recommended rate of 60 kg P205. Fed-1 soli phosphorus as a check control. All soil phosphorus amendments were applied before planting during soli preparation, whereas foliar treatments were sprayed at complete plant emergence and at two weeks later.

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