Abstract
SUMMARY Maize yields were significantly affected by the nature of the previous crop. Maize following groundnuts significantly outyielded maize following cotton, which in turn significantly outyielded maize following sorghum or cowpeas, and this order was largely independent of the nitrogen fertilizer regime applied to the maize. Analyses of soil and crop showed that groundnuts increased nitrogen availability in the topsoil, but there was little evidence of any similar advantage after cowpeas.
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Claims 5
Claim · model-written summary
Maize following groundnuts yielded more than maize following cotton.
Zea maysOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Maize following groundnuts significantly outyielded maize following cotton, which in turn significantly outyielded maize following sorghum or cowpeas, and this order was largely independent of the nitrogen fertilizer regime applied to the maize.”
Claim · model-written summary
Maize following cotton yielded more than maize following sorghum.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Maize following groundnuts significantly outyielded maize following cotton, which in turn significantly outyielded maize following sorghum or cowpeas, and this order was largely independent of the nitrogen fertilizer regime applied to the maize.”
Claim · model-written summary
Maize following cotton yielded more than maize following cowpeas.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Maize following groundnuts significantly outyielded maize following cotton, which in turn significantly outyielded maize following sorghum or cowpeas, and this order was largely independent of the nitrogen fertilizer regime applied to the maize.”
Claim · model-written summary
Groundnuts increased nitrogen availability in topsoil.
- Taxon
- groundnuts
Arachis hypogaeae0 - Treatment
- groundnutse0
- Outcome
- nitrogen availability in the topsoile0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Analyses of soil and crop showed that groundnuts increased nitrogen availability in the topsoil, but there was little evidence of any similar advantage after cowpeas.”
Claim · model-written summary
There was little evidence of a similar nitrogen advantage after cowpeas.
- Taxon
- cowpeas
Vigna unguiculatae0 - Outcome
- little evidence of any similar advantagee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Analyses of soil and crop showed that groundnuts increased nitrogen availability in the topsoil, but there was little evidence of any similar advantage after cowpeas.”