Claim · model-written summary
Cover crops increased corn growth and N uptake without fertilizer.
- Taxon
- Corn
Zea mays subsp. mayst0 - Treatment
- Cover cropse0
- Outcome
- growth and N uptakee0
- Direction
- increasede0
- Qualifier
- with no fertilizere0
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValue
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Corn”
e0“Cover crops generally increased growth and N uptake with no fertilizer, but had little effect with N fertilizer.”
Title
Residual Effects of No‐Till Crop Residues on Corn Yield and Nitrogen Uptake
M. S. Maskina; J. F. Power; J. W. Doran; et al. Soil Science Society of America Journal 1993. doi:10.2136/sssaj1993.03615995005700060027x
Other claims from this paper (10)
- Intervention effect Higher prior crop residues increased soil organic C by up to 10%.
- Intervention effect Higher residues increased soil total N by up to 12%.
- Intervention effect Higher residues increased soil nitrate N by up to 66%.
- Association Corn growth and nitrogen uptake increased with previous residue rate.
- Intervention effect Corn grain production was 17% greater at the highest residue rate.
- Intervention effect Corn stover production was 25% greater at the highest residue rate.
- Association Indigenous soil N uptake increased with residue rate.
- Association Fertilizer N uptake did not increase with residue rate.
- Intervention effect Cover crops had little effect on growth and N uptake with fertilizer.
- Intervention effect Tillage and interactions generally did not affect soil properties, corn growth, or N uptake.