K-State Research and Extension

Observing irrigation-based change in western Kansas

D.E. Kromm

1-10

Issues regarding Kansas water resource planning

Clark Duffy

11-25

The U. S. Geological Survey’s national water- quality assessment program — High Plains regional ground water study

Kevin F. Dennehy

26-27

George Knapp’s watery vision for Kansas

James E. Sherow

28-38

Risk issues of bio-engineering

Bob Bowden

39-41

Chemophobia -- The excessive fear of small amounts of chemicals

Clifton E. Meloan

42-51

Ground water quality of the quaternary deposits, Central High Plains, Kansas, 1999

Larry   M. Pope

52

Ground-water quality of the Ogallala Formation, Central High Plains, Colorado, Kansas, New   Mexico, Oklahoma, and Texas, 1999

Mark F. Becker

53

Retrospective analysis of historical water- quality data for the High Plains regional   aquifer, 1950-97

David W. Litke

54

Upper Arkansas River subbasin management program

E. G. Hargett

55

A summary of the intensive groundwater control area concept in Kansas

Thomas L. Huntzinger

56-58

The total maximum daily loads process in Kansas

Daniel L. Devlin

59-62

Water quality of the Arkansas River and its effect on ground water

Donald O. Whittemore

63-71

Design and management considerations for subsurface drip irrigation systems

Freddie   R. Lamm, Danny H. Rogers, and William E. Spurgeon

72-80

Using livestock wastewater with SDI

Todd P. Trooien, Freddie R. Lamm, Loyd R. Stone, Mahbub Alam, Danny H. Rogers, Gary   A. Clark, and Alan J. Schlegel

81-87

The economics of converting from surface to sprinkler irrigation systems for lower pumping capacity wells

Daniel M. O’Brien and Freddie R. Lamm

88-98

Irrigation scheduling demonstration in western Kansas

Mahbub ul Alam, Todd Trooien, and Danny Rogers

99-103

South Central Kansas irrigation management project

Danny Rogers and Gary Clark

104-106

Performance of in-canopy sprinklers

C. Dean Yonts

107-117

Who wants to be an in-canopy irrigator?

Freddie R. Lamm

118-127

Determining runoff potential

Bill Kranz

128-134

Precision agriculture: Variable rate technology and management zones

R. Khosla

135-139