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How phosphorus addition and removal affecting soil test P index
(Oklahoma State University. Division of Agricultural Sciences and Natural Resources. Cooperative Extension Service, 1998)
Fertilizer and lime recommendations for canola in Oklahoma
(Oklahoma State University. Division of Agricultural Sciences and Natural Resources. Cooperative Extension Service, 2012)
Risk of not liming
(Oklahoma State University. Division of Agricultural Sciences and Natural Resources. Cooperative Extension Service, 2002)
Get your nitrogen-rich strips out early
(Oklahoma State University. Division of Agricultural Sciences and Natural Resources. Cooperative Extension Service, 2005)
Do nitrogen fertilizer sources and the timing of application affect winter wheat yields and profit
(Oklahoma State University. Division of Agricultural Sciences and Natural Resources. Cooperative Extension Service, 2005)