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No-till cropping systems in Oklahoma
(Oklahoma Cooperative Extension Service, 2007-08)
Managing acid soils for wheat production
(Oklahoma Cooperative Extension Service, 2014-05)
Forage legumes and nitrogen production
(Oklahoma Cooperative Extension Service, 2011-11)
Get your nitrogen-rich strips out early
(Oklahoma State University. Division of Agricultural Sciences and Natural Resources. Cooperative Extension Service, 2005)
Methods for applying topdress nitrogen to wheat
(Oklahoma Cooperative Extension Service, 2009-09)
No-till wheat production in Oklahoma
(Oklahoma Cooperative Extension Service, 2015-02)