Claim · model-written summary
Cultivation increased corn nitrogen uptake relative to zero tillage.
- Taxon
- corn
Zea mays subsp. mayst0 - Treatment
- cultivated plotse0
- Outcome
- total N uptakee0
- Direction
- highere0
- Comparator
- zero-tillage plotse0
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleSettingValueQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In 1983, total dry matter, grain yield, and total N uptake were all higher in cultivated plots than in zero-tillage plots.”
t0“Corn”
Title
Performance of Some Urease Inhibitors in Field Trials with Corn
F. E. Broadbent; T. Nakashima; Grace Y. Chang Soil Science Society of America Journal 1985. doi:10.2136/sssaj1985.03615995004900020015x
Other claims from this paper (10)
- Intervention effect PPD increased corn grain yield versus urea alone, without statistical significance.
- Intervention effect PPD increased corn total dry matter versus urea alone, without statistical significance.
- Intervention effect PPD increased corn total and fertilizer nitrogen uptake versus urea alone, without statistical significance.
- Intervention effect Cultivation increased corn total dry matter and grain yield relative to zero tillage.
- Intervention effect No tested urease inhibitor improved nitrogen uptake relative to urea alone.
- Observation Inhibitors added to surface banded urea solution showed little advantage.
- Observation TPD coating on broadcast solid urea showed promise.
- Observation DPT coating on broadcast solid urea showed promise.
- Observation Soils with wheat straw or corn residues had lower applied nitrogen recoveries than bare soil.
- Observation The soil analyses found no clear effect of urease inhibitors on soil urea levels.