EFFECT OF COMPOUND FERTILIZER (DAP) ON GROWTH AND YIELD OF SOFT WHEAT VARIETIES TRITICUM AESTIVUM L
|ANBAR JOURNAL OF AGRICULTURAL SCIENCES|
|Article 6, Volume 17, Issue 1, June 2019, Pages 76-86 PDF (1.21 M)|
|Document Type: Research Paper|
|H. M. Al-fahdawi|
|A field experiment was conducted at Al- Sufia of Al- Ramadi city during 2012 – 2013 and 2013 – 2014 winter seasons to study growth and productivity of several variety of common wheat under the influence of levels of fertilizer DAP. The varieties (main plot) and levels of fertilizer (Sub – plots). These treatments (4×4) were input with design in RCBD at three replicates. The seeds were sown at a rate of 120 kg h-1 in the first half of December. The results showed that Abu Ghraib had the highest rate of chlorophyll, 54.0 and 53.0 SPAD, and the grain yield was 685.3 and 439.1 g/m2 and gave the best harvest index was 40.9% and 33.7% respectively. While Sham 6 gave the highest rate of flag leaf area 44.6 and 41.8 cm2 and gave cultivar IPA 99 the highest rate of dry matter per square meter of 1.8 and 1.4 kg and the superiority Al-Ezz variety of plant height rate was 120.9 and 109.7 cm in the two seasons respectively. The effect of DAP fertilizer in most of the studied qualities compared to non-addition, especially the addition of fertilizer level 200 and 300 kg h-1, given the best results, especially the production of dry matter, which reached 1.8 kg/m2 in the first planting season and 1.3 and 1.4 kg/m2 in the second planting season. The best grain yield was 657.5 and 667.0 g/m2 during the first planting season as well as 404.5 and 405.4 g / m 2 during the second planting season. conclude that all varieties have varied in their growth and production and showed a clear response to the response of fertilizer DAP, especially the level of add 200 kg/m2, which can be adopted as a level in addition to wheat plant because it is able to grow wheat varieties in this environment natural growth and give it economically.|
|Wheat; Flag leaf; IPA 99; DAP; Grain yield; harvest index|
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