II CONTENTS. 



METEOROLOGY. 



I 'age. 



INIeteorological records, J. E. Bonebright ,31t 



Meteorological observations, J. E. Ostrander and A. C. Monahan 316 



Some facts al)out the climate of Tennessee, W. M. Fulton 316 



Frost fighting, A. G. McAdie 314 



Frost protection, W. M. Fulton 317 



Prediction of frost, J. E. Bonebright- 314 



A study on hail. Protection of crops by cannonading, V. Vermorel 316 



WATER SOILS. 



The soils of Salt Lake Valley, Utah, F. D. Gardner and J. Stewart 317 



Soil studies, A. M. Soule 319 



Principles of plowing, A. M. Soule 320 



Some observations on soil temperatures, J. B. Reynolds 318 



Soil temperature for the growing season, J. E. Bonebright 320 



Analyses of calcareous soils of Monferrato. New methods of determining 



easily soluble calcium carbonate, F. Martinotti 318 



Arable soils of the Canton of Redon with respect to phosphoric acid, G. 



Lechartier 318 



Composition of the soils of the Canton of Redon as regards lime, magnesia, 



potash, and nitrogen, G. Lechartier 319 



Remarks on the sand-drift problem, J. H. Maiden 319 



Instructions for determining in the fielil the salt content of alkali waters and 



soils, M. Whitney 320 



FERTILIZERS. 



The storage of stable manure, F. Holdefleiss 320 



Some principles in the use of fertilizers, C. A. Mooers 324 



Economy in the use of barnyard manure, W. Saunders 320 



The reduction of nitrates in the presence of barnyard manure, J. P. Street . . . 321 



Investigations relative to the use of nitrogenous materials, E. B. Voorhees 322 



Experiments on the fertilizing effect of the phosphoric acid of bone meal, O. 



Kellner and O. Bottcher 323 



Fertilizer inspection, C. D. Woods 324 



Fertilizers 324 



Cooperative experiments with fertilizers, C. A. Mooers 324 



FIELD CROPS. 



Grain experiments: Surface and subsoil or underground moisture, A. E. Shut- • 



tleworth 325 



On variations in plants with special reference to the relation between tlie 



grain weight and the nitrogen cdiitent of l)arley, W. Johannsen 326 



Some investigations of the relation of the size of grain to the nitrogen content 



of wheat and peas, W. Johannsen and F. Weis 327 



Report of the experimentalist, C. A. Zavitz 328 



Turkestan alfalfa, P. B. Kennedy 329 



Experiments with three varieties of corn, C. B. Lane 330 



Fertilizer experiments with corn on washed land, (•. A. Mooers 330 



Fertilizer experiments Avith cotton, G. W. Carver 331 



The utility of the cowpea, A. M. Soule 337 



Notes on cowpea tubercles, C. B. Lane 331 



A special exi)eriment with forage crops, C. B. Lane 331 



Cooperative ex])eriuients with grasses and forage plants, P. B. Kennedy 332 



