Annual Report of the Michigan Academy of Science, Volume 22The Academy, 1921 - Botany Table of contents of 1st-19th reports is included in the 20th, 1918 (p. [469]-483) |
Other editions - View all
Common terms and phrases
Acad active Agricultural amount animals appear association attention become Bessemer biological bogs capital cause cells changes close common considered cost course covered determine direct distribution economic effect evidence experiments fact FAMILY field figures fires forest Frequent further germination given Gogebic Lake green growth heat humus income increase individual interest investment lake region land later leaves less light material matter means meet method Michigan Moist mycelium nature Occasional occur organic period plants Plate Pleistocene portion possible present Probably problem production question reaction record relation Report rhythm roots Science seed seedlings seems shores situation soil species surface Survey tests throughout tion trees University Waste ground Watersmeet woods