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Chemigation, a technology for the future? / Noel Gollehon (Agriculture information bulletin ; no. 608)

Chemigation, a technology for the future? / Noel Gollehon (Agriculture information bulletin ; no. 608)
Microform図書
1990<YCA-A 1.75:608>
National Diet Library
  • Subject Heading... United States Irrigation efficiency -- United States

Crop consumptive irrigation requirements and irrigation efficiency coefficients for the United States / prepared by United States Department of Agriculture, Soil Conservation Service, Special Projects Division

Crop consumptive irrigation requirements and irrigation efficiency coefficients for the United States / prepared by United States Department of Agriculture, Soil Conservation Service, Special Projects Division
Microform図書
1976<YCA-A 57.2:C 948/x>
National Diet Library
  • Subject HeadingIrrigation efficiency -- United States Water consumption -- United S...

BRDRFLW : a mathematical model of border irrigation / by Theodor Strelkoff ; prepared for U.S. Department of Agriculture, Agricultural Research Service, U.S. Water Conservation Laboratory, under contract no. 539AHZ-1685

BRDRFLW : a mathematical model of border irrigation / by Theodor Strelkoff ; prepared for U.S. Department of Agriculture, Agricultural Research Service, U.S. Water Conservation Laboratory, under contract no. 539AHZ-1685
Microform図書
1985<YCA-A 77.15:29>
National Diet Library
  • Subject HeadingIrrigation efficiency -- United States -- Mathematical models Irriga...

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