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Effect of Potassium Fertilizer application on growth and yield of Corn (Zea mays L .) | ||
| Journal of Basrah Researches (Sciences) | ||
| Article 1, Volume 31, Issue 2, 2005, Pages 43-49 PDF (0 K) | ||
| Author | ||
| Abstract | ||
| Afield experiment study was conducted during the corn growing autmn season 2004 to find out the effects of various three potassium fertilizer application (mixed and mixed &foliar treatments). The results showed that this fertilizer treatments has asignificant effects on the K concentraition , K up take , dry matter and seeds yield . The application method M3 (80% mixed and 20% foliar ) gave the highest (6.37 T/ ha) corn grain yield in compensation with other treatment and the K levels K3 (150Kg K2O/ h ) gave the highest (6.70 T / h) grain yield also . The data of interaction among the methods and the K fertilizer levels showed significant effects in which M3K3 appeared the highest grain yield (7.70 T /h) . Results showed also that there was little reduction in K concentraition with the followed foliar applications at the mixed treatment where as the mixed & foliar treatments showed significant increasing in K concentraition after 10 days from the first foliar treatment . | ||
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