Abstract
Summary A field trial was conducted during 1982–3 and 1983–4 on a loamy sand soil to study the effect of magnesium application to the soil and in foliar spray in relation to various levels of nitrogen on the growth and yield of wheat. Results indicate that wheat responde significantly to magnesium application only at the higher level of nitrogen. At the higher level of N (120 kg/ha), the response of wheat to magnesium application (10 kg/ha) to the soil and in foliar spray was 56 and 68 kg grain/kg Mg, respectively. However, the corresponding values at a low level of N (60 kg/ha) were only 14 and 15 kg grain/kg Mg. Magnesium at the higher level of N increased the chlorophyll content of leaves, leaf area index, interception of photosynthetically active radiation, number of ear-bearing tillers and number of grains per ear. The higher level of magnesium (20 kg/ha) did not result in extra beneficial effect compared with the lower level of Mg (10 kg/ha). Maximum interception of photosynthetically active radiation by the wheat canopy coincided with the attainment of maximum leaf area index and chlorophyll content of leaves at 90 days after sowing.
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Claims 7
Claim · model-written summary
Wheat responded significantly to magnesium only at higher nitrogen.
- Taxon
- wheat
Triticum aestivumt0 - Treatment
- magnesium applicatione0
- Outcome
- wheat respondee0
- Comparator
- higher level of nitrogene0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“wheat responde significantly to magnesium application only at the higher level of nitrogen”
t0“wheat”
Claim · model-written summary
Soil magnesium gave 56 kg grain/kg Mg response at 120 kg/ha nitrogen, versus 14 at 60 kg/ha.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- magnesium application (10 kg/ha) to the soile0
- Outcome
- response of wheate0
- Direction
- higherinferrede0
- Value
- 56 and 68 kg grain/kg Mge0
- Qualifier
- 120 kg/hae0
- Comparator
- a low level of N (60 kg/ha)e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“At the higher level of N (120 kg/ha), the response of wheat to magnesium application (10 kg/ha) to the soil and in foliar spray was 56 and 68 kg grain/kg Mg, respectively. However, the corresponding values at a low level of N (60 kg/ha) were only 14 and 15 kg grain/kg Mg”
t0“wheat”
Claim · model-written summary
Foliar magnesium gave 68 kg grain/kg Mg response at high nitrogen, compared with 15 at low nitrogen.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- foliar spraye0
- Outcome
- response of wheate0
- Direction
- higherinferrede0
- Value
- 68 kg grain/kg Mge0
- Comparator
- a low level of N (60 kg/ha)e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“At the higher level of N (120 kg/ha), the response of wheat to magnesium application (10 kg/ha) to the soil and in foliar spray was 56 and 68 kg grain/kg Mg, respectively. However, the corresponding values at a low level of N (60 kg/ha) were only 14 and 15 kg grain/kg Mg”
t0“wheat”
Claim · model-written summary
Magnesium at high nitrogen increased leaf chlorophyll, leaf area index and interception of photosynthetically active radiation.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- Magnesium at the higher level of Ne0
- Outcome
- chlorophyll content of leaves, leaf area index, interception of photosynthetically active radiatione0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Magnesium at the higher level of N increased the chlorophyll content of leaves, leaf area index, interception of photosynthetically active radiation, number of ear-bearing tillers and number of grains per ear”
t0“wheat”
Claim · model-written summary
Magnesium at high nitrogen increased ear-bearing tillers and grains per ear.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- Magnesium at the higher level of Ne0
- Outcome
- number of ear-bearing tillers and number of grains per eare0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Magnesium at the higher level of N increased the chlorophyll content of leaves, leaf area index, interception of photosynthetically active radiation, number of ear-bearing tillers and number of grains per ear”
t0“wheat”
Claim · model-written summary
Twenty kg/ha magnesium conferred no extra benefit versus 10 kg/ha.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- magnesium (20 kg/ha)e0
- Outcome
- extra beneficial effecte0
- Direction
- did not resulte0
- Comparator
- Mg (10 kg/ha)e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The higher level of magnesium (20 kg/ha) did not result in extra beneficial effect compared with the lower level of Mg (10 kg/ha)”
t0“wheat”
Claim · model-written summary
Peak canopy radiation interception coincided with peak leaf area and chlorophyll at 90 days after sowing.
- Taxon
- wheatTriticum aestivumt0
- Organ / stage
- leavese0
- Outcome
- interception of photosynthetically active radiatione0
- Direction
- Maximume0
- Qualifier
- at 90 days after sowinge0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Maximum interception of photosynthetically active radiation by the wheat canopy coincided with the attainment of maximum leaf area index and chlorophyll content of leaves at 90 days after sowing”
t0“wheat”
The same questions in other papers
magnesium atom · yield · Triticum aestivum (wheat)Results differ
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- no effect
- no effect
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magnesium atom · physiology: photosynthesis · Triticum aestivum (wheat)Results agree
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See all 7 papers →application · organism · Triticum aestivum (wheat)Positive and negative results
23 papers in the same direction as this paper · 5 in the opposite direction
- no effect
- negative
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See all 29 papers →Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.