Principles of breeding; a treatise on thremmatology or the principles and practices involved in the economic improvement of domesticated animals and plants, by E. Davenport ... with appendix by H. L. Rietz ...

Studies concerning the elimination of experimental error in comparative crop tests

“…Commenting upon the likelihood of the true mean lying outside of the limits set by the probable error, Davenport (1907) states:…”

“…If this assumption be made with the adjacent duplicate plats (Table 32), the actual error of these group means exceeded their probable error approximately 0,1,2,3,4,5,6,7,8,10,11,and 15 times respectively in 9,5,7,7,8,4,4,1,2,1,1,and 1 groups. (See Col. 11,Table 32).…”