Second report on the influence of fertilizers on the yield of timothy hay
Gilmore, John W., Clark, Charles F.
Second report on the influence of fertilizers on the yield of timothy hay - Ithaca 1906 - 1-15 p. - Cornell Agricultural Experime .
Second report on the influence of fertilizers on the yield of timothy hay - Ithaca 1906 - 1-15 p. - Cornell Agricultural Experime .