Claim · model-written summary
At 0.28 meg/100 g extractable Mg, maize yield responded significantly to Mg application.
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingDirectionQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“0.28 meg/100 g neutral N NH 4 OAc, extractable Mg was low enough for statistically signficant response to Mg application”
e1“Tests on individual plot yields”
e2“maize ( Zea mays L.)”
Title
Critical Level of Mg in Western Nigerian Soils as Estimated under Greenhouse Conditions1
L. G. Lombin; A. A. A. Fayemi Agronomy Journal 1975. doi:10.2134/agronj1975.00021962006700020026x
Other claims from this paper (6)
- Observation The estimated critical soil Mg level was 0.28 to 0.35 meq/100 g.
- Intervention effect All but soil 10 below 5% CEC Mg saturation responded to Mg.
- Intervention effect Soils above 7% Mg saturation did not respond to Mg application.
- Association Maize Mg deficiency symptoms were associated with initial soil Mg of 0.17 meq/100 g or less.
- Association Maize Mg deficiency symptoms were associated with plant Mg content below 0.1%.
- Observation The estimated critical Mg level is much lower than average Mg in western Nigerian soils.