171. Number 156 - Relation of Nitrate Nitrogen to the Carbohydrate and Nitrogen Content of Onions: Memoir Collection: Core Historical Literature of Agriculture Publisher: Cornell University, Agricultural Experiment Station Publication Place: Ithaca, N.Y. Date: 1934 Format: Issue
172. Number 170 - Ecological Problems of the Humus Layer in the Forest: Memoir Collection: Core Historical Literature of Agriculture Publisher: Cornell University, Agricultural Experiment Station Publication Place: Ithaca, N.Y. Date: 1935 Format: Issue
173. Number 171 - A Study of Selected Factors in Family Life as Described in Autobiographies: Memoir Collection: Core Historical Literature of Agriculture Publisher: Cornell University, Agricultural Experiment Station Publication Place: Ithaca, N.Y. Date: 1935 Format: Issue
174. Number 172 - Ionic Exchange of Peat Soils: Memoir Collection: Core Historical Literature of Agriculture Publisher: Cornell University, Agricultural Experiment Station Publication Place: Ithaca, N.Y. Date: 1935 Format: Issue
175. Number 173 - Biology of the Midge Chironomus Tentans Fabricius, and Methods for its Propagation: Memoir Collection: Core Historical Literature of Agriculture Publisher: Cornell University, Agricultural Experiment Station Publication Place: Ithaca, N.Y. Date: 1935 Format: Issue
176. Number 174 - Certain Rarer Elements in Soils and Fertilizers, and Their Role in Plant Growth: Memoir Collection: Core Historical Literature of Agriculture Publisher: Cornell University, Agricultural Experiment Station Publication Place: Ithaca, N.Y. Date: 1935 Format: Issue
177. Number 175 - Effect of Temperature on Pollen Germination and Tube Growth in the Tomato: Memoir Collection: Core Historical Literature of Agriculture Publisher: Cornell University, Agricultural Experiment Station Publication Place: Ithaca, N.Y. Date: 1935 Format: Issue
178. Number 176 - Scab of Violet Caused by Sphaceloma: Memoir Collection: Core Historical Literature of Agriculture Publisher: Cornell University, Agricultural Experiment Station Publication Place: Ithaca, N.Y. Date: 1935 Format: Issue
179. Number 177 - Aquatic Diptera Part II. Orthorrhapha-Brachycera and Cyclorrhapha: Memoir Collection: Core Historical Literature of Agriculture Publisher: Cornell University, Agricultural Experiment Station Publication Place: Ithaca, N.Y. Date: 1935 Format: Issue
180. Number 178 - Synthetic Diets for Herbivora, with Special Reference to the Toxicity of Cod-Liver Oil: Memoir Collection: Core Historical Literature of Agriculture Publisher: Cornell University, Agricultural Experiment Station Publication Place: Ithaca, N.Y. Date: 1935 Format: Issue
