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Response of onion productivity to potassium fertilizer management methods in calcareous soils [electronic resource].

By:

Yaso,I.A

Contributor(s):

Moursy, M.E

Language: English Summary language: Arabic Description: p.83-89Other title:

إستجابة إنتاجية محصول البصل لطرق إدارة السماد البوتاسي في الأراضي الجيرية [Added title page title]

Uniform titles:

Alexandria journal of agricultural research, 2007 v. 52 (3) [electronic resource].

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Full Text Article.

In: Alexandria Journal of Agricultural Research 2007.v.52(3)Summary: A two-year field experiment was conducted on onion crop (variety Giza 20) at Nubaria agricultural Research Station farm during 2003/2004 and 2004/2005 winter seasons to examine the effect of potassium fertilizer rates and time of application on total and marketable onion bulb yields, yield componenJs and quality parameten in the calcareous soils of Nubaria region. A randomized complete blocks design (RCBD) withfour replicates was wed to conduct this experiment. The tested potassium treatmenJs were K/: without K-application (control): K₂ and K₃: 24 and 48k.g K₂O fed applied during land preparation; K₄ and K₅: 24 and 48 kg K₂O fed applied in two equal doses, 2- and 3-month after transplanting; and K₆, and K₇: 24 and 48k.g K₂O/fed applied 3 months after transplanting.The main results could be summarized as follows: 1- Increasing potassium application rate to 48k.g K₂O fed had a significant effect on the obtained total yield In both season.

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A two-year field experiment was conducted on onion crop (variety Giza 20) at Nubaria agricultural Research Station farm during 2003/2004 and 2004/2005 winter seasons to examine the effect of potassium fertilizer rates and time of application on total and marketable onion bulb yields, yield componenJs and quality parameten in the calcareous soils of Nubaria region. A randomized complete blocks design (RCBD) withfour replicates was wed to conduct this experiment. The tested potassium treatmenJs were K/: without K-application (control): K₂ and K₃: 24 and 48k.g K₂O fed applied during land preparation; K₄ and K₅: 24 and 48 kg K₂O fed applied in two equal doses, 2- and 3-month after transplanting; and K₆, and K₇: 24 and 48k.g K₂O/fed applied 3 months after transplanting.The main results could be summarized as follows: 1- Increasing potassium application rate to 48k.g K₂O fed had a significant effect on the obtained total yield In both season.

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