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EFFECT OF FOLIAR FEEDING OF IRON , ZINC AND POTASSIUM ON GRAIN YIELD , AND PROTEIN PERCENTAGE OF BREAD WHEAT | ||
| The Iraqi Journal of Agricultural Science | ||
| Article 1, Volume 40, Issue 4, 2009, Pages 27-37 | ||
| Authors | ||
| R.K. Shati; ; Y.M. Abu; F.M. AL- Taher | ||
| Abstract | ||
| A field experiment was conducted during the growing seasons (2002 – 2003) and (2003 – 2004) at the experimental fields of college of Agriculture – Abu – Ghraib – University of Baghdad in a silty clay loam (Typic Torrifluvent) to investigate the effect of foliar feeding of Iron , Zinc and Potassium on yield , yield components and quality of wheat , cultivar – IPAA – 99 . The experimental design was split – split plots with using the RCBD with three replicates . Potash treatments occupied the main plots , K0 :control treatment , K1 :120 kg K.ha-1 applied to the soil , K2 :5000 mg K.l-1 foliar , K3 :120 kg K.ha-1 applied to the soil + 3000 mg K.l-1 foliar , K4 :120 kg K.ha-1 applied to the soil + 6000 mg K.l-1 foliar , and K5 :120 kg K.ha-1 applied to the soil + 9000 mg K.l-1 foliar . Zinc treatments 0,15, and 30 mg Zn.l-1 occupied the sub plots , while the iron treatments 0 , 50 and 100 mg Fe .L-1 occupied the sub – sub plots . Results showed that the combination of 120 kg K.ha-1 applied to the soil and spraying with the conc. of 100 mg Fe . l-1 as foliar feeding gave significant dada for the middle number of grain per ear , that was 6.5 g grain/ear . Also , results showed that the combination of Fe0 × Zn0 × K5 had significant dada compared with other combinations and gave the highest middle of grain weight which was 37.33 mg . Also spraying with 100 mg Fe .l-1 +30 mg Zn .l-1 had significant increase and was superior compared with other combinations and gave the highest grain yield that was 6.93 ton.ha-1 and 715 ton.ha-1 for the first and second growing seasons respectively . Also results indicated that the combination of 120 kg K.ha-1 applied to the soil and spraying with the conc. of 100 mg Fe . l-1 as feeding gave significant dada for the protein percentage and gave the highest protein percentage that were 13.99% and 13.77% for the first and second growing seasons respectively . | ||
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