Abstract
Use of conventional and conservation tillage systems and their effect on corn and soybean growth were investigated at the Southeastern Iowa Conservation Tillage Research Project. A southeastern Iowa farmer conducted field operations and made crop management decisions on 1.3-hectare (3-acre) field plots using his own materials and machinery. Research personnel measured crop growth and soil properties and monitored field operations. Results indicated that high amounts of rainfall may have negative impacts on no-till corn grown on the poorly drained soils in the study area. Soybean yields were not affected significantly by tillage method. Stratification of phosphorus and potassium in surface soil layers was observed in conservation tillage systems.
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Claims 3
Claim · model-written summary
High rainfall may have negative impacts on no-till corn grown on poorly drained soils.
- Taxon
- corn
Zea mays subsp. mayse0 - Outcome
- negative impacts on no-till corne0
- Direction
- negative impactse0
- Qualifier
- high amounts of rainfalle0
- Setting
- poorly drained soilse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“high amounts of rainfall may have negative impacts on no-till corn grown on the poorly drained soils”
Claim · model-written summary
Soybean yields were not significantly affected by the tillage method.
- Taxon
- Soybean
Glycine maxe0 - Treatment
- tillage methode0
- Outcome
- Soybean yieldse0
- Direction
- not affectede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Soybean yields were not affected significantly by tillage method”
Claim · model-written summary
Phosphorus and potassium were stratified in the surface soil layers under conservation tillage systems.
- Treatment
- conservation tillage systemse0
- Outcome
- Stratification of phosphorus and potassium in surface soil layerse0
Not reportedTaxon
Verbatim
e0“Stratification of phosphorus and potassium in surface soil layers was observed in conservation tillage systems”
The same questions in other papers
tillage · yield · Glycine max (soybean)Positive and negative results
125 papers in the same direction as this paper · 264 in the opposite direction
- no effect
- no effect
- positive
386 papers more in this group
See all 390 papers →Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.