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Now showing items 21-30 of 47
Surface irrigation systems
(Oklahoma Cooperative Extension Service, 2014-02)
Solar electric systems for homeowners
(Oklahoma Cooperative Extension Service, 2015-06)
Irrigation water flow measurement
(Oklahoma Cooperative Extension Service, 2014-11)
Lagoons for livestock waste treatment
(Oklahoma Cooperative Extension Service, 2011-06)
Drip irrigation systems
(Oklahoma Cooperative Extension Service, 2014-04)
Solid state anaerobic digestion
(Oklahoma Cooperative Extension Service, 2014-02)
True cost of energy comparisons - Apples to apples
(Oklahoma Cooperative Extension Service, 2016-01)
Ogallala aquifer
(Oklahoma Cooperative Extension Service, 2016-06)
Natural stream restoration and enhancement
(Oklahoma Cooperative Extension Service, 2014-02)
Energy saving scams
(Oklahoma Cooperative Extension Service, 2013-08)