Abstract
Abstract An intercropping experiment was conducted in northern Greece to evaluate biomass production and quality of forage from maize/soybean mixtures as affected by nitrogen fertilizer, inoculation of soybean seed with Rhizobium , maize hybrids and density. The biomass yields of the intercrops were not significantly affected by nitrogen or inoculation of soybean seeds due to high residual nitrogen in the soil, but were influenced by maize density. The mixtures exploited soil nitrogen more efficiently compared to sole crops. Both nitrogen concentration and accumulation in forage and grains were increased by applied nitrogen. Inoculation of soybean seeds increased nitrogen concentration and accumulation in grains only. The mean relative yield totals (RYT) for nitrogen were 1.13 and 1.20 in forage and grains, respectively when the mixtures were grown at high total densities. Zusammenfassung Biomasse‐ und Stickstofferträge von Mais‐und Sojabohnenmischanbau in Abhängig‐keit von der Stickstoffdüngung, Rhizobium und Bestandesdichte bei mehreren Mais‐hybriden Ein Mischanbau wurde im nördlichen Teil von Griechenland durchgeführt, um die Biomasse‐produktion und die Qualität von Futter aus einem Mais/Sojabohnengemisch in Abhängig‐keit von der Stickstoffdüngung, der Inokula‐tion der Sojabohnensamen mit Rhizobium so‐wie der Bestandesdichte für einige Maishybri‐den festzustellen. Die Biomasseerträge des Mischanbaus waren nicht signifikant von der Stickstoffdüngung oder der Inokulation der Sojabohnensamen abhängig; dies dürfte eine Folge der hohen Stickstoffvorräte im Boden sein; demgegenüber waren die Erträge aber von der Bestandesdichte der Maispflanzen abhängig. Mischanbau entzog dem Boden mehr Stickstoff im Vergleich zu Reinanbau der bei‐den Pflanzenarten. Sowohl die Stickstoffkon‐zentration als auch die Akkumulation im Futter und in den Körnern wurden durch eine Stickstoffdüngung erhöht. Die Inokulation der Sojabohnensamen erhöhte nur die Stickstoff‐konzentration und die Akkumulation in den Körnern. Der durchschnittliche relative Ge‐samtertrag (RYT) für Stickstoff betrug 1,13 und 1,20 in Futter und Körnern; dies gait für hohe Bestandesdichten im Mischanbau.
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Claims 7
Claim · model-written summary
Biomass yields of the intercrops were not significantly affected by nitrogen or by inoculation of soybean seeds.
- Taxon
- Maize and Soybeans
Glycine max
Zea mayst0 - Treatment
- nitrogen or inoculation of soybean seedse2
- Outcome
- biomass yields of the intercropse2
- Direction
- not significantly affectede2
- Qualifier
- due to high residual nitrogen in the soile2
- Setting
- northern Greecee1
RhizobiumNot reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Biomass and Nitrogen Yields of Intercropped Maize and Soybeans as Affected by Applied Nitrogen, Rhizobium, Maize Hybrids and Population Density”
e1“An intercropping experiment was conducted in northern Greece to evaluate biomass production and quality of forage from maize/soybean mixtures as affected by nitrogen fertilizer, inoculation of soybean seed with Rhizobium, maize hybrids and density”
e2“The biomass yields of the intercrops were not significantly affected by nitrogen or inoculation of soybean seeds due to high residual nitrogen in the soil, but were influenced by maize density”
Claim · model-written summary
Biomass yields of the intercrops were influenced by maize density.
- Taxon
- Maize and SoybeansGlycine maxZea mayst0
- Treatment
- maize densitye2
- Outcome
- biomass yields of the intercropse2
- Setting
- northern Greecee1
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Biomass and Nitrogen Yields of Intercropped Maize and Soybeans as Affected by Applied Nitrogen, Rhizobium, Maize Hybrids and Population Density”
e1“An intercropping experiment was conducted in northern Greece to evaluate biomass production and quality of forage from maize/soybean mixtures as affected by nitrogen fertilizer, inoculation of soybean seed with Rhizobium, maize hybrids and density”
e2“The biomass yields of the intercrops were not significantly affected by nitrogen or inoculation of soybean seeds due to high residual nitrogen in the soil, but were influenced by maize density”
Claim · model-written summary
Maize-soybean mixtures exploited soil nitrogen more efficiently than sole crops.
- Taxon
- Maize and SoybeansGlycine maxZea mayst0
- Treatment
- mixturese3
- Outcome
- exploited soil nitrogene3
- Direction
- more efficientlye3
- Comparator
- sole cropse3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Biomass and Nitrogen Yields of Intercropped Maize and Soybeans as Affected by Applied Nitrogen, Rhizobium, Maize Hybrids and Population Density”
e3“The mixtures exploited soil nitrogen more efficiently compared to sole crops”
Claim · model-written summary
Applied nitrogen increased nitrogen concentration and accumulation in forage and grains.
- Taxon
- Maize and SoybeansGlycine maxZea mayst0
- Organ / stage
- forage and grainse4
- Treatment
- applied nitrogene4
- Outcome
- nitrogen concentration and accumulatione4
- Direction
- increasede4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Biomass and Nitrogen Yields of Intercropped Maize and Soybeans as Affected by Applied Nitrogen, Rhizobium, Maize Hybrids and Population Density”
e4“Both nitrogen concentration and accumulation in forage and grains were increased by applied nitrogen”
Claim · model-written summary
Inoculation of soybean seeds with Rhizobium increased nitrogen concentration and accumulation in grains only.
- Taxon
- Maize and SoybeansGlycine maxZea mayst0
- Organ / stage
- grainse5
- Treatment
- Inoculation of soybean seedse5
- Outcome
- nitrogen concentration and accumulatione5
- Direction
- increasede5
- Qualifier
- in grains onlye5
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Biomass and Nitrogen Yields of Intercropped Maize and Soybeans as Affected by Applied Nitrogen, Rhizobium, Maize Hybrids and Population Density”
e1“An intercropping experiment was conducted in northern Greece to evaluate biomass production and quality of forage from maize/soybean mixtures as affected by nitrogen fertilizer, inoculation of soybean seed with Rhizobium, maize hybrids and density”
e5“Inoculation of soybean seeds increased nitrogen concentration and accumulation in grains only”
Claim · model-written summary
Mean relative yield total for nitrogen in forage was 1.13 when the mixtures were grown at high total densities.
- Taxon
- Maize and SoybeansGlycine maxZea mayst0
- Organ / stage
- foragee6
- Outcome
- mean relative yield totals (RYT) for nitrogene6
- Value
- 1.13e6
- Qualifier
- when the mixtures were grown at high total densitiese6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Biomass and Nitrogen Yields of Intercropped Maize and Soybeans as Affected by Applied Nitrogen, Rhizobium, Maize Hybrids and Population Density”
e6“The mean relative yield totals (RYT) for nitrogen were 1.13 and 1.20 in forage and grains, respectively when the mixtures were grown at high total densities”
Claim · model-written summary
Mean relative yield total for nitrogen in grains was 1.20 when the mixtures were grown at high total densities.
- Taxon
- Maize and SoybeansGlycine maxZea mayst0
- Organ / stage
- grainse6
- Outcome
- mean relative yield totals (RYT) for nitrogene6
- Value
- 1.20e6
- Qualifier
- when the mixtures were grown at high total densitiese6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Biomass and Nitrogen Yields of Intercropped Maize and Soybeans as Affected by Applied Nitrogen, Rhizobium, Maize Hybrids and Population Density”
e6“The mean relative yield totals (RYT) for nitrogen were 1.13 and 1.20 in forage and grains, respectively when the mixtures were grown at high total densities”
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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.