Abstract
Abstract This experiment was conducted in a farmer’s field in Al-Najmi district, Al-Muthanna governorate, 3 km away from the district center during the agricultural season 2021-2022, to determine the effect of sources and levels of zinc spraying on the yield of wheat ( Triticum aestivum L.), as zinc was used. Nano zinc (12% Zn), chelated zinc (14% Zn) and zinc sulfate (23% Zn) and a symbol for the sources with the symbol (S2, S3, S1) in sequence, and four levels (0, 100, 200, 300) mg Zn l-1, symbol It has (L4, L3, L2, L1) respectively, as it was sprayed on the wheat crop Rashid in two stages when branching and flowering. The experiment was conducted using factorial trials, randomized complete block Design (RCBD), with three replications. Thus, the number of experimental units is (4*3*3)=36. The results show that the superiority of nano-zinc at the level of 300PPM on the flag leaf area and the number of grains in the spike, as the highest averages, while zinc sulfate at the level of 200PPM outperformed in the trait of plant height, as it recorded the highest average, as well as the superiority of zinc sulphate at the level of 300PPM in the trait of spike length, number of branches, and grain yield, which recorded the highest averages.
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Claims 3
Claim · model-written summary
Nano-zinc at 300PPM gave the highest flag leaf area and grain number per spike.
- Taxon
- Wheat
Triticum aestivumt0 - Treatment
- nano-zinc at the level of 300PPMe0
- Outcome
- flag leaf area and the number of grains in the spikee0
- Direction
- higheste0
Not reportedMaterialComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“The results show that the superiority of nano-zinc at the level of 300PPM on the flag leaf area and the number of grains in the spike, as the highest averages”
t0“Wheat”
Claim · model-written summary
Zinc sulfate at 200PPM gave the highest plant height.
- Taxon
- Wheat
Triticum aestivumt0 - Treatment
- zinc sulfate at the level of 200PPMe0
- Outcome
- plant heighte0
- Direction
- higheste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“while zinc sulfate at the level of 200PPM outperformed in the trait of plant height, as it recorded the highest average”
t0“Wheat”
Claim · model-written summary
Zinc sulphate at 300PPM gave the highest spike length, branch number, and grain yield.
- Taxon
- Wheat
Triticum aestivumt0 - Treatment
- zinc sulphate at the level of 300PPMe0
- Outcome
- spike length, number of branches, and grain yielde0
- Direction
- higheste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“as well as the superiority of zinc sulphate at the level of 300PPM in the trait of spike length, number of branches, and grain yield, which recorded the highest averages.”
t0“Wheat”
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