Comparison of Liquid Swine Manure and Aqua-Ammonia Nitrogen Application Timing on Subsurface Drainage Water Quality in Iowa

2011 ◽  
Vol 54 (3) ◽  
pp. 973-981 ◽  
Author(s):  
P. A. Lawlor ◽  
M. J. Helmers ◽  
J. L. Baker ◽  
S. W. Melvin ◽  
D. W. Lemke
2019 ◽  
Vol 211 ◽  
pp. 81-88 ◽  
Author(s):  
Michael D. Ruffatti ◽  
Richard T. Roth ◽  
Corey G. Lacey ◽  
Shalamar D. Armstrong

Author(s):  
Brian Dougherty ◽  
Carl Pederson ◽  
Matt Helmers ◽  
Michelle Soupir ◽  
Ramesh Kanwar ◽  
...  

Author(s):  
Carl Pederson ◽  
Matt Helmers ◽  
Michelle Soupir ◽  
Ramesh Kanwar ◽  
Antonio Mallarino

Author(s):  
Carl Pederson ◽  
Matt Helmers ◽  
Michelle Soupir ◽  
Ramesh Kanwar ◽  
Antonio Mallarino

2002 ◽  
Vol 45 (5) ◽  
Author(s):  
P. S. Miller ◽  
J. K. Mitchell ◽  
R. A. Cooke ◽  
B. A. Engel

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