Claim · model-written summary
Maize following cotton yielded more than maize following cowpeas.
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleSettingValueQualifier
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.”
Title
Effects of Previous Crop on Yield and Nitrogen Response of Maize at Samaru, Nigeria
M. J. Jones Experimental Agriculture 1974. doi:10.1017/s0014479700006050
Other claims from this paper (4)
- Intervention effect Maize following groundnuts yielded more than maize following cotton.
- Intervention effect Maize following cotton yielded more than maize following sorghum.
- Intervention effect Groundnuts increased nitrogen availability in topsoil.
- Observation There was little evidence of a similar nitrogen advantage after cowpeas.