Claim · model-written summary
Zinc addition increased maize yield in many soils.
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValueQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“In many of the soils, yield was increased by the addition of Zn”
t0“maize”
Title
AA Yusuf; N Abdu; VO Chude; et al. Nigerian Journal of Soil and Environmental Research 2006. doi:10.4314/njser.v6i1.28393
Other claims from this paper (5)
- Observation The first maize crop produced 55% of total dry matter, versus 45% for the second crop.
- Intervention effect Twelve soils, 40% of those sampled, showed no maize response to zinc application in the first crop.
- Intervention effect Fourteen soils showed no maize response to zinc application in the second crop.
- Observation The critical soil zinc level below which maize may respond to applied zinc was 2.20 mgkg-1.
- Observation The corresponding critical plant zinc level was 84 mgkg-1.