Effectiveness of coated urea prills and copper treated urea prills as nitrogen s
Johnson, Ronald R.
Effectiveness of coated urea prills and copper treated urea prills as nitrogen s - Wooster 1962 - 15 p. - No. 917; Ohio Agricultural Exp .
Effectiveness of coated urea prills and copper treated urea prills as nitrogen s - Wooster 1962 - 15 p. - No. 917; Ohio Agricultural Exp .