Show corn during growth arc kill cop cop con servo servo serve moisture woods corn field water left corn fast plant food therefore Thor Thor Ther serve ta kill establish earth mulch prevent water harrow run field hot sunshiny before corn ere establish earth mulch kill barrow barrow harrow run field until seven eight cloudy since thin plant filled water broken off principal tat KEEP NOXIOUS PLANTS DOWN principal corn destroy conserve moisture livingston LIVIN ohio OSTON experiment station intent Per |