Abstract
Field experiments with spring wheat (Triticum aestivum L.) were carried out at the Experimental Station of Vytautas Magnus University, Agriculture Academy in Lithuania. Spring wheat was dressed with N90P90K116 at sowing and N-60 was applied at the stem elongation stage. Liquid amide (NH2) nitrogen fertilizer with magnesium and sulphur was applied either at the tillering stage or at the stem elongation stage. The experiment treatments (nutrient doses in kg ha(-1)): 1) control; 2) 0.3 Mg + 0.4 S + 1.1 N (F1); 3) 0.6 Mg + 0.8 S + 2.2 N (F2); 4) 0.9 Mg + 1.2 S + 3.3 N (F3); 5) 1.2 Mg + 1.6 S + 4.4 N (F4); 6) 3.0 Mg + 4 S + 11.0 N (F5). Liquid fertilizer applied at the spring wheat's tillering stage in the soil with a moderate status of magnesium and sulphur did not significantly change the content of chlorophyll a in wheat leaves within 10 days after application. A significant effect of this fertilizer on the chlorophyll a content was identified when spring wheat at the stem elongation stage had been treated with F2 - F5 (2014) and F1 - F5 (2015) fertilizer doses. Significant effect on the carotenoid content was recorded in the plots applied F3 (2014) and F2 - F4 (2015) doses. A significant increase in the nitrogen content in wheat plants was observed in the treatments fertilized with F1 - F5 doses at the tillering stage and those applied F3 - F5 fertilizer doses at the stem elongation stage. The relationship between the nitrogen content in wheat plants and fertilizer doses was strong and significant. Significant grain yield increases were obtained in the treatments fertilized with F3 - F5 doses ates at tillering and those fertilized with F2 and F3 doses at the stem elongation stage. Statistically significant correlations between fertilizer doses and grain yield were,,determined for both growth stages at which the fertilizer had been applied, i.e. at tillering and at stem elongation. Fertilizers tend.
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Claims 7
Claim · model-written summary
Liquid fertilizer applied at tillering in soil with moderate Mg and S status did not significantly change chlorophyll a content in spring wheat leaves within 10 days after application.
- Taxon
- spring wheat
Triticum aestivume1 - Organ / stage
- leavese1
- Treatment
- Liquid fertilizer applied at the spring wheat's tillering stagee1
- Outcome
- content of chlorophyll ae1
- Direction
- did not significantly changee1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Liquid fertilizer applied at the spring wheat's tillering stage in the soil with a moderate status of magnesium and sulphur did not significantly change the content of chlorophyll a in wheat leaves within 10 days after application”
Claim · model-written summary
At the stem elongation stage, F2-F5 doses (2014) and F1-F5 doses (2015) of the liquid fertilizer had a significant effect on chlorophyll a content in spring wheat.
- Taxon
- spring wheatTriticum aestivume1
- Organ / stage
- stem elongation stagee1
- Treatment
- F2 - F5 (2014) and F1 - F5 (2015) fertilizer dosese1
- Outcome
- chlorophyll a contente1
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“A significant effect of this fertilizer on the chlorophyll a content was identified when spring wheat at the stem elongation stage had been treated with F2 - F5 (2014) and F1 - F5 (2015) fertilizer doses”
Claim · model-written summary
The liquid fertilizer had a significant effect on carotenoid content in spring wheat plots given F3 (2014) and F2-F4 (2015) doses.
- Taxon
- spring wheatTriticum aestivumt0
- Treatment
- F3 (2014) and F2 - F4 (2015) dosese1
- Outcome
- carotenoid contente1
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Significant effect on the carotenoid content was recorded in the plots applied F3 (2014) and F2 - F4 (2015) doses”
t0“spring wheat”
Claim · model-written summary
Nitrogen content in wheat plants increased significantly with F1-F5 doses at tillering and with F3-F5 doses at stem elongation.
- Taxon
- wheatTriticum aestivume1
- Treatment
- fertilized with F1 - F5 doses at the tillering stage and those applied F3 - F5 fertilizer doses at the stem elongation stagee1
- Outcome
- nitrogen contente1
- Direction
- increasee1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“A significant increase in the nitrogen content in wheat plants was observed in the treatments fertilized with F1 - F5 doses at the tillering stage and those applied F3 - F5 fertilizer doses at the stem elongation stage”
Claim · model-written summary
The relationship between nitrogen content in wheat plants and fertilizer dose was strong and significant.
- Taxon
- wheatTriticum aestivume1
- Treatment
- fertilizer dosese1
- Outcome
- nitrogen contente1
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“The relationship between the nitrogen content in wheat plants and fertilizer doses was strong and significant”
Claim · model-written summary
Grain yield of spring wheat increased significantly with F3-F5 doses at tillering and with F2 and F3 doses at stem elongation.
- Taxon
- spring wheatTriticum aestivumt0
- Treatment
- fertilized with F3 - F5 doses ates at tillering and those fertilized with F2 and F3 doses at the stem elongation stagee1
- Outcome
- grain yielde1
- Direction
- increasese1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Significant grain yield increases were obtained in the treatments fertilized with F3 - F5 doses ates at tillering and those fertilized with F2 and F3 doses at the stem elongation stage”
t0“spring wheat”
Claim · model-written summary
Fertilizer dose and grain yield were significantly correlated at both application stages, tillering and stem elongation.
- Taxon
- spring wheatTriticum aestivumt0
- Treatment
- fertilizer dosese1
- Outcome
- grain yielde1
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Statistically significant correlations between fertilizer doses and grain yield were,,determined for both growth stages at which the fertilizer had been applied”
t0“spring wheat”
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