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Effect of foliar nutrition with P and K on the growth and yield of wheat | ||
| journal of kerbala university | ||
| Article 1, Volume 13, Issue 1, 2017, Pages 271-276 PDF (0 K) | ||
| Abstract | ||
| Factorial field experiment was carried out during 2014/2015 season in a private farm located in Al-Hashemia (20 km south of Hilla city), to study the response of wheat to phosphorus and potassium as foliar nutrition on vegetative growth and yield. Randomized complete block design (RCBD) with three replications was used, which included three concentrations of potassium (K2O), K1, K2, and K3 (1000, 2000 and 3000) mg.l-1 respectively as well as the control K0( sprayed with distilled water only), and three concentrations of phosphorus (P2O5) , P1, P2 and P3 (1000, 2000 and 3000) mg.l-1 respectively as well as the control P0 (sprayed with distilled water only) . Wheat (IPA 99 variety) was seeded at 15/11/2014. Data were analyzed and the averages were compared according to the least significant difference(LSD). The results showed that spraying potassium and phosphorous at (2000 mg K20.l-1 and P2O5.l-1 ), respectively caused significant increases in most vegetative growth traits (plant height, leaf area and spike length) and grain yield. Spraying phosphorus at 1000 mg P2O5.l-1 (P1) was superior by giving highest rate of dry root weight. The interaction between these two factors had a significant effect on all studied traits. | ||
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