Aid for determining stage of potato plant growth
Sparks, W.C.
Aid for determining stage of potato plant growth - Idaho 1972 - 1-2 p. - Plant, Potato Idaho Agriculture Experiment Station, Current Information Service. No. 186 .
Aid for determining stage of potato plant growth - Idaho 1972 - 1-2 p. - Plant, Potato Idaho Agriculture Experiment Station, Current Information Service. No. 186 .