Abstract
Nutrient placement options with strip tillage (ST) can potentially improve plant nutrient utilization and increase crop yield compared to conventional fertilizer placement practices under conventional tillage (CT). The effects of tillage practice and N and P placement on grain yield, biomass yield (whole plant, grain + cobs + stover), and N and P uptake of field corn (Zea mays L.) were assessed on four sites during 2007 and 2009 at the USDA-ARS Northwest Irrigation & Soils Research Laboratory at Kimberly, ID. During each year, two locations (eroded and not eroded from furrow irrigation) were utilized as study locations. Band placement (15 to 20 cm below the soil surface) of fertilizer with ST increased corn grain yield by 12.5 (689 kg/ha) and 25.9% (1,626 kg/ha) on the eroded locations compared to broadcast N and P and 5 × 5-cm N under CT in 2007 and 2009, respectively. These increased yields also resulted in greater removal of N and P. Reduced tillage costs of ST with associated band placement of N and P could increase the economic productivity of many acres of land in the Pacific Northwest.
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Claims 5
Claim · model-written summary
Banded fertilizer with strip tillage increased corn grain yield 12.5% in eroded locations in 2007.
- Taxon
- corn
Zea mays subsp. mayse0 - Treatment
- Band placement (15 to 20 cm below the soil surface) of fertilizer with STe0
- Outcome
- corn grain yielde0
- Direction
- increasede0
- Value
- 12.5 (689 kg/ha)e0
- Qualifier
- 2007e0
- Comparator
- broadcast N and P and 5 × 5-cm N under CTe0
- Setting
- eroded locationse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Band placement (15 to 20 cm below the soil surface) of fertilizer with ST increased corn grain yield by 12.5 (689 kg/ha) and 25.9% (1,626 kg/ha) on the eroded locations compared to broadcast N and P and 5 × 5-cm N under CT in 2007 and 2009, respectively”
Claim · model-written summary
Banded fertilizer with strip tillage increased corn grain yield 25.9% in eroded locations in 2009.
- Taxon
- cornZea mays subsp. mayse0
- Treatment
- Band placement (15 to 20 cm below the soil surface) of fertilizer with STe0
- Outcome
- corn grain yielde0
- Direction
- increasede0
- Value
- 25.9% (1,626 kg/ha)e0
- Qualifier
- 2009e0
- Comparator
- broadcast N and P and 5 × 5-cm N under CTe0
- Setting
- eroded locationse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Band placement (15 to 20 cm below the soil surface) of fertilizer with ST increased corn grain yield by 12.5 (689 kg/ha) and 25.9% (1,626 kg/ha) on the eroded locations compared to broadcast N and P and 5 × 5-cm N under CT in 2007 and 2009, respectively”
Claim · model-written summary
Higher yield increased nitrogen removal.
Not reportedTaxon
Verbatim
e0“These increased yields also resulted in greater removal of N and P”
Claim · model-written summary
Higher yield increased phosphorus removal.
Not reportedTaxon
Verbatim
e0“These increased yields also resulted in greater removal of N and P”
Claim · model-written summary
Reduced strip-tillage costs could increase economic productivity in the Pacific Northwest.
Not reportedTaxon
Verbatim
e0“Reduced tillage costs of ST with associated band placement of N and P could increase the economic productivity of many acres of land in the Pacific Northwest”
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See all 3,908 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.