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Data & statistics on iowa corn production – 32 results
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Corn grain yield response to N rate across locations with and without rye cover crop.

Corn grain yield response to N rate across locations with and without rye cover crop.

www.agronext.iastate.edu/soilfertility/info/2010CoverCrop-NFertilization_ResearchFarmReport_1-4-10.pdf

in the 2009 farm report). In general, the rye biomass production was greatest following ...
locations and N rates in 2010, corn yield averaged 20 bu/acre lower when planted ...
lower with the cover crop. In 2010, lower corn yield with the cover crop was due

Jan 2010 | Agronext
Original Url: http://www.agronext.iastate.edu/soilfertility/info/2010CoverCrop-NFertilization_ResearchFarmReport_1-4-10.pdf
Comparison of corn yield and early growth response to starter and broadcast P-K fertilization for various ranges of soil-test P values. Soil-test K ranged from low to very high values across all soil-test P ranges.

Comparison of corn yield and early growth response to starter and broadcast P-K fertilization for various ranges of soil-test P values. Soil-test K ranged from low to very high values across all soil- ...

www.agronext.iastate.edu/soilfertility/info/ICM_2003_Starter%26Foliar_Publ.pdf

at early vegetative stages is likely to increase yields in 15 to 20% of Iowa production ...
fertilization of corn can effectively supplement the primary fertilization programs for these crops in some conditions. However, these practices across all production conditions ...
2003 Integrated Crop Management Conference – Iowa State University  119 Grain Yield Response Starter Broadcast Broadcast + Starter <16 ppm Soil P Grain Yield

Jan 2003 | Agronext
Original Url: http://www.agronext.iastate.edu/soilfertility/info/ICM_2003_Starter%26Foliar_Publ.pdf
A) Microbial biomass C and (B) net mineralized soil N concentrations for soil samples (0–15-cm depth) collected from three 2003 corn sites in June at four N rates. Different letters indicate significant differences between N rates within each site (P ≤ 0.05).

A) Microbial biomass C and (B) net mineralized soil N concentrations for soil samples (0–15-cm depth) collected from three 2003 corn sites in June at four N rates. Different letters indicate ...

www.agronext.iastate.edu/smse/publications/pdf/1-EffectofNitrogen.pdf

long cumulative soil CO2–C emission in the soybean production year was not generally affected by N application in the prior corn crop. During the soybean year ...
to that in the corn year, the cumulative CO2– C emission from all N treatments ...
alabama, australia, china, iowa, new york, norway, ohio, ontario, saskatchewan

Jan 2003 | Agronext
Original Url: http://www.agronext.iastate.edu/smse/publications/pdf/1-EffectofNitrogen.pdf
2000 - 2005 (Seven Locations; 32 Site-Years)

2000 - 2005 (Seven Locations; 32 Site-Years)

www.agronext.iastate.edu/soilfertility/info/07CAScornsheet.pdf

Increasing demand for corn grain to meet ethanol production has spurred interest in growing more continuous corn (CC). Because the common rotation for many ...
. Research in Iowa has also shown that second (CCS) or third year (CCCS) corn after ...
iowa

Jan 2005 | Agronext
Original Url: http://www.agronext.iastate.edu/soilfertility/info/07CAScornsheet.pdf
Soil organic carbon measured at the 0–15 cm soil depth in April 2004

Soil organic carbon measured at the 0–15 cm soil depth in April 2004

www.agronext.iastate.edu/smse/tillage/pdfs/1APSOIL-Henry-08.pdf

was that the plots in continuous corn had greater soil CO2 emissions than the corn–soybean rotation. The difference in soil CO2 emission that was observed in the continuous corn cropping system can be attributed to greater crop residue incorporation ...
iowa

Jan 2004 | Agronext
Original Url: http://www.agronext.iastate.edu/smse/tillage/pdfs/1APSOIL-Henry-08.pdf
Advice to growers of Agrisure ™ Rootworm Trait (MIR 604) hybrids and neighbors

Advice to growers of Agrisure ™ Rootworm Trait (MIR 604) hybrids and neighbors

www.agronext.iastate.edu/corn/production/management/hybrid/advice.html

Corn Production ...
at the same time. Outcrossing was measured in three situations: a seed corn production ...
Keep accurate records of where this corn is planted and then where it is stored

Jun 2007 | Agronext
Previous crop, most recent manure application, soil texture, and drainage class for 96 research sites evaluating the ISNT for the NC-218 project in six states, 2002 to 2005.

Previous crop, most recent manure application, soil texture, and drainage class for 96 research sites evaluating the ISNT for the NC-218 project in six states, 2002 to 2005.

www.agronext.iastate.edu/soilfertility/info/EvalIllSoilNitrNCRegionISU-ICM.pdf

sugar-nitrogen test on Iowa soils: I. Evaluation of soil sampling and corn ...
fertilizers for profitable corn production. Soil Sci. Soc. Am. J. 70:172- 182. Osterhaus ...
and J.P. Lundvall. 2006b. Assessment of the amino sugar-nitrogen test on Iowa soils

Jan 2005 | Agronext
Original Url: http://www.agronext.iastate.edu/soilfertility/info/EvalIllSoilNitrNCRegionISU-ICM.pdf
What row spacing is best?

What row spacing is best?

www.agronext.iastate.edu/corn/production/management/planting/row.html

What row spacing is best? : Corn Production ...
in northern production states, likely due to their shorter growing seasons. What has Iowa ...
these include using the same planting equipment for corn and soybean, reduced weed

Jun 2007 | Agronext
What hybrid characteristics are important to consider?

What hybrid characteristics are important to consider?

www.agronext.iastate.edu/corn/production/management/hybrid/choosing.html

Choosing corn hybrids : Corn Production ...
For example, yields of some hybrids in the 2005 Iowa State University hybrid performance ...
standability also is important; Iowa producers must consider a hybrid's resistance

Jun 2007 | Agronext
Simulated root lodging. University of Wisconsin.

Simulated root lodging. University of Wisconsin.

www.agronext.iastate.edu/corn/production/management/mid/silking.html

Mid- to late-season lodging : Corn Production ...
<p id="elem-110"> Roots act as guy ropes and props that anchor corn plants ...
in rooting structures is the weakness in compression of the leeward corn roots

Agronext
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