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El-Agrodi, M., Shams El-Din, H., Labeeb, G., Khalifa, T. (2010). EFFECT OF DIFFERENT IRRIGATION SYSTEMS AND POTASSIUM AND PHOSPHORUS LEVELS ON MAIZE.. Journal of Soil Sciences and Agricultural Engineering, 1(7), 713-721. doi: 10.21608/jssae.2010.75158
M. W. M. El-Agrodi; H. A. Shams El-Din; G. Labeeb; T. S. H. Khalifa. "EFFECT OF DIFFERENT IRRIGATION SYSTEMS AND POTASSIUM AND PHOSPHORUS LEVELS ON MAIZE.". Journal of Soil Sciences and Agricultural Engineering, 1, 7, 2010, 713-721. doi: 10.21608/jssae.2010.75158
El-Agrodi, M., Shams El-Din, H., Labeeb, G., Khalifa, T. (2010). 'EFFECT OF DIFFERENT IRRIGATION SYSTEMS AND POTASSIUM AND PHOSPHORUS LEVELS ON MAIZE.', Journal of Soil Sciences and Agricultural Engineering, 1(7), pp. 713-721. doi: 10.21608/jssae.2010.75158
El-Agrodi, M., Shams El-Din, H., Labeeb, G., Khalifa, T. EFFECT OF DIFFERENT IRRIGATION SYSTEMS AND POTASSIUM AND PHOSPHORUS LEVELS ON MAIZE.. Journal of Soil Sciences and Agricultural Engineering, 2010; 1(7): 713-721. doi: 10.21608/jssae.2010.75158

EFFECT OF DIFFERENT IRRIGATION SYSTEMS AND POTASSIUM AND PHOSPHORUS LEVELS ON MAIZE.

Article 6, Volume 1, Issue 7, July 2010, Page 713-721  XML PDF (408.85 K)
Document Type: Original Article
DOI: 10.21608/jssae.2010.75158
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Authors
M. W. M. El-Agrodi1; H. A. Shams El-Din2; G. Labeeb1; T. S. H. Khalifa2
1Soil Dept. Fac. of Agric., Mansoura Univ., Egypt .
2Soil, Water and Environment Res. Inst., A.R.C., Egypt.
Abstract
A field experiment was conducted during summer season of 2008 in Sakha Agricultural Research Station Farm; Kafr El-Sheikh Governorate. This study aimed to clarify the effect of different irrigation systems and potassium and phosphorus fertilization levels on maize crop.
The obtained results can be summarized in;
-  Irrigation systems and fertilization levels interaction significantly affect maize grain yield. The highest value of maize grain yield (2.14 ton/fed) was recorded under furrow irrigation system + 125% of P and K recommended dose treatment.
-  Increasing P and K fertilizations levels from 50 to 125% of the recommended dose caused an increase in maize stalks yield amounted by 45.11%.  The highest mean of maize stalks yield (5.250 ton/fed) was recorded under furrow irrigation system + 125% of P and K recommended dose.
-  Furrow irrigation improved maize grain potassium utilization by 24.43% than that of sprinkler irrigation.   Potassium uptake by maize grain of furrow irrigation system + 125% of P and K recommended dose treatment was higher than that of sprinkler irrigation system + 50% of P and K recommended dose treatment by 94.53%.
-  Furrow irrigation system recorded the highest value of phosphorus uptake by maize grain (8.033 kg/fed) compared with other irrigation systems. 125% of P and K recommended dose recorded the highest value of P uptake by maize grain (9.53 kg/fed) compared with the other fertilization treatments.
-  Furrow irrigation system decreased maize water use efficiency by 35.37 and 63.30% less than that of drip and sprinkler irrigation systems, respectively. The highest value (1.64 kg grain / m3) of water use efficiency for maize was recorded under drip irrigation system + 125% of P and K recommended dose.
Keywords
Maize; K uptake; P uptake; irrigation system; water use efficiency
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