comparisonofAlfalfaN credits

Information about comparisonofAlfalfaN credits

Published on October 4, 2007

Author: Noemie

Source: authorstream.com

Content

Direct Comparison of Alfalfa Nitrogen Credits to Corn and Wheat:  Direct Comparison of Alfalfa Nitrogen Credits to Corn and Wheat K.A. Kelling, P.E. Speth, K. Kilian, T. Wood and M. Mlynarek Soil Science, UW-Madison School of Ag, UW-Platteville Lancaster Ag Research Station Ashland Ag Research Station Alfalfa N credits to corn::  Alfalfa N credits to corn: Infrequent fertilizer N responses sands poor stands top growth removed cold, wet spring Credit ranges from 40-190 lb N/a; typical credit 90-110 lb N/a Little tillage or time of death effect Alfalfa N credits to wheat::  Alfalfa N credits to wheat: Credit 40-80 lb N/a Excess N resulted in lodging No benefit to killing alfalfa earlier Wheat tillage affects response No-till may be “safer” system Effect of alfalfa killdate, tillage and N rate on wheat yields:  Effect of alfalfa killdate, tillage and N rate on wheat yields Effect of alfalfa killdate, tillage, and N rate on wheat lodging:  Effect of alfalfa killdate, tillage, and N rate on wheat lodging Note::  Note: Arlington results similar Results similar to previous years 2000-2001 was “normal” year Oct. - Dec. temps - 2.1o F Arlington - 3.1o F Lancaster Effect of alfalfa killdate and N ratio on wheat yield:  Effect of alfalfa killdate and N ratio on wheat yield Effect of alfalfa killdate, tillage and N rate on corn grain yields:  Effect of alfalfa killdate, tillage and N rate on corn grain yields Effect of alfalfa killdate, tillage and N rate on corn grain yields:  Effect of alfalfa killdate, tillage and N rate on corn grain yields Conclusions::  Conclusions: Wheat following alfalfa generally responds negatively to N Still got negative response in “normal” years Cold environments may need some fertilizer N Tillage system and alfalfa killdate affect amount of N available to wheat Conclusions::  Conclusions: 5. Corn responded positively to some N in 2001 6. Tillage and killdate less important to corn 7. No corn response above 40-60 lb N/a

Related presentations


Other presentations created by Noemie

Different Types of Vegetables
04. 03. 2008
0 views

Different Types of Vegetables

Farming and Populism
07. 12. 2007
0 views

Farming and Populism

The Second World War I
13. 04. 2008
0 views

The Second World War I

KDS
07. 04. 2008
0 views

KDS

ace presentation
30. 03. 2008
0 views

ace presentation

Lenn 2004
27. 03. 2008
0 views

Lenn 2004

Romanian NGOs
21. 03. 2008
0 views

Romanian NGOs

1418752i2camnov102005
14. 03. 2008
0 views

1418752i2camnov102005

IBEC Presentation v4
12. 03. 2008
0 views

IBEC Presentation v4

Prato2005
11. 03. 2008
0 views

Prato2005

RLESSON27
06. 03. 2008
0 views

RLESSON27

Treatment Technologies
09. 11. 2007
0 views

Treatment Technologies

IDS11 Overview v2
28. 11. 2007
0 views

IDS11 Overview v2

Jumpingmicetodogs
16. 11. 2007
0 views

Jumpingmicetodogs

Animal Habitats
19. 11. 2007
0 views

Animal Habitats

itsissejuhatus
20. 11. 2007
0 views

itsissejuhatus

bojilove
26. 11. 2007
0 views

bojilove

Biology Chapter 24 Notes
31. 12. 2007
0 views

Biology Chapter 24 Notes

Drexel IEEE
03. 01. 2008
0 views

Drexel IEEE

44xyvmlh
27. 09. 2007
0 views

44xyvmlh

Astr115 chS1 Sept17
14. 11. 2007
0 views

Astr115 chS1 Sept17

search metadata ia
03. 12. 2007
0 views

search metadata ia

Bee Food
03. 10. 2007
0 views

Bee Food

week4
24. 02. 2008
0 views

week4

ColonelJan18
28. 02. 2008
0 views

ColonelJan18

Janus
07. 01. 2008
0 views

Janus

PowerPointB8 Cold War
23. 12. 2007
0 views

PowerPointB8 Cold War

5936
03. 01. 2008
0 views

5936

rpt 75 one kureishi
19. 02. 2008
0 views

rpt 75 one kureishi

goodwebdesign
29. 11. 2007
0 views

goodwebdesign

Rev SWRR Present
29. 12. 2007
0 views

Rev SWRR Present

cs638 12
03. 01. 2008
0 views

cs638 12

naito
21. 11. 2007
0 views

naito