Experiments in field plot technic for the preliminary determination of comparative yields in the small grains
by
Stadler, Lewis John, 1896- [from old catalog]
series:
Unknown
first published:
Unknown
Field crop production; a text-book for elementary courses in schools and brief courses in colleges
by
Livingston, George, 1886-
series:
Unknown
first published:
Unknown
39 experiments in soils
by
Quear, Charles Lorin, 1890- [from old catalog]
series:
Unknown
first published:
Unknown
Experiments in wheat breeding: experimental error in the nursery and variation in nitrogen and yield
by
Montgomery, E. G. (Edward Gerrard), b. 1878
series:
Unknown
first published:
Unknown