The Seasonal march of the climatic conditions of a greenhouse, as related to plant growth
Johnston, Earl S.
The Seasonal march of the climatic conditions of a greenhouse, as related to plant growth - Maryland Maryland Agricultural Experiment Station 1921 - 54p. - Maryland Agricultural Experiment Station, No. 245 .
The Seasonal march of the climatic conditions of a greenhouse, as related to plant growth - Maryland Maryland Agricultural Experiment Station 1921 - 54p. - Maryland Agricultural Experiment Station, No. 245 .