Abstract
BACKGROUND: Magnesium (Mg) has important effects on maize growth, and the application of Mg fertilizer with straw return inevitably has an impact on Mg absorption in maize. RESULTS: A two-year field trial was conducted to investigate the effects of Mg fertilizers with straw return on Mg accumulations, partitioning and remobilization in maize (Zea mays L.) in northeast China. The treatments included: (i) JM3 (straw + Mg fertilizer), (ii) JM0 (straw + no Mg fertilizer), (iii) WM3 (no straw + Mg fertilizer), and (iv) WM0 (no Mg fertilizer + no straw). The results showed that the highest Mg accumulation stage in maize was prominent between the tasseling stage (VT) and blister stage (R2), and JM3 treatment accumulated 13.3% and 26.6% more Mg on average than those of the WM3 and WM0, respectively. Magnesium remobilization in distinct organs was highest in JM3 and there were significant differences between treatments. The total contribution to the grain for the JM3 treatment was higher by 6.0% and 17.9% on average than those for the WM3 and WM0, respectively. The grain yield of JM3 treatment was 0.5% and 5.3% higher than that of WM3 and WM0, respectively. CONCLUSION: Generally, these outcomes indicated that there was an interaction between Mg fertilizer and maize straw. The application of Mg fertilizer significantly promoted the accumulation, distribution to the maize organs, and the remobilization of Mg. The combination of straw return and Mg application further increased the accumulation of Mg in the grain. And all these lead to an increase in yield. © 2020 Society of Chemical Industry.
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Claims 11
Claim · model-written summary
Maize magnesium accumulation was highest between tasseling and blister stages.
- Organ / stage
- between the tasseling stage (VT) and blister stage (R2)e0
- Outcome
- Mg accumulatione0
- Direction
- higheste0
Zea maysOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the highest Mg accumulation stage in maize was prominent between the tasseling stage (VT) and blister stage (R2)”
Claim · model-written summary
JM3 accumulated 13.3% more magnesium than WM3.
Verbatim
e0“JM3 treatment accumulated 13.3% and 26.6% more Mg on average than those of the WM3 and WM0, respectively.”
Claim · model-written summary
JM3 accumulated 26.6% more magnesium than WM0.
Verbatim
e0“JM3 treatment accumulated 13.3% and 26.6% more Mg on average than those of the WM3 and WM0, respectively.”
Claim · model-written summary
Magnesium remobilization among organs was highest under JM3 and differed significantly among treatments.
- Treatment
- JM3e0
- Outcome
- Magnesium remobilization in distinct organse0
- Direction
- higheste0
- Comparator
- treatmentse0
Not reportedTaxon
Verbatim
e0“Magnesium remobilization in distinct organs was highest in JM3 and there were significant differences between treatments.”
Claim · model-written summary
JM3 total magnesium contribution to grain was 6.0% higher than WM3.
- Treatment
- JM3 treatmente0
- Outcome
- total contribution to the graine0
- Direction
- highere0
- Value
- 6.0%e0
- Comparator
- WM3e0
Not reportedTaxon
Verbatim
e0“The total contribution to the grain for the JM3 treatment was higher by 6.0% and 17.9% on average than those for the WM3 and WM0, respectively.”
Claim · model-written summary
JM3 total magnesium contribution to grain was 17.9% higher than WM0.
- Treatment
- JM3 treatmente0
- Outcome
- total contribution to the graine0
- Direction
- highere0
- Value
- 17.9%e0
- Comparator
- WM0e0
Not reportedTaxon
Verbatim
e0“The total contribution to the grain for the JM3 treatment was higher by 6.0% and 17.9% on average than those for the WM3 and WM0, respectively.”
Claim · model-written summary
JM3 grain yield was 0.5% higher than WM3.
Not reportedTaxon
Verbatim
e0“The grain yield of JM3 treatment was 0.5% and 5.3% higher than that of WM3 and WM0, respectively.”
Claim · model-written summary
JM3 grain yield was 5.3% higher than WM0.
Not reportedTaxon
Verbatim
e0“The grain yield of JM3 treatment was 0.5% and 5.3% higher than that of WM3 and WM0, respectively.”
Claim · model-written summary
Authors infer an interaction between magnesium fertilizer and maize straw.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“these outcomes indicated that there was an interaction between Mg fertilizer and maize straw.”
Claim · model-written summary
Magnesium fertilizer significantly promoted maize magnesium accumulation, distribution and remobilization.
- Treatment
- Mg fertilizere0
- Outcome
- accumulation, distribution to the maize organs, and the remobilization of Mge0
- Direction
- promotede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The application of Mg fertilizer significantly promoted the accumulation, distribution to the maize organs, and the remobilization of Mg.”
Claim · model-written summary
Straw return with magnesium increased magnesium accumulation in grain.
- Treatment
- combination of straw return and Mg applicatione0
- Outcome
- accumulation of Mg in the graine0
- Direction
- increasede0
Not reportedTaxonComparator
Verbatim
e0“The combination of straw return and Mg application further increased the accumulation of Mg in the grain.”
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