838 EXPERIMENT STATION RECORD. 



decrease of 24,480 tons. "Notwithstanding this decrease in production, the total 

 vahieof the pro(hict increased from |5,084,07fi to |5,359,248, a gain of $275,172." 

 There was a marked decrease in production in Florida and South Carolina and a 

 slight increase in Tennessee. " In Florida the decreased production was in the out- 

 put of hard rock and river pebble, there being an increase of about 44,000 tons in 

 the production of land pebble. This increase in the pi-oduction of land pebble was 

 not sufficient, however, to overcome the decreases in the other two grades of rock. 

 There has Ijeen no production of soft rock reported from Florida since 1897. In 

 Soutii Carolina tlie production of land rock increased from 223,949 long tons in 1899 

 to 260,186 long tons in 1900, while the production of river rock fell off 50 per cent — 

 from 132,701 long tons in 1899 to 62,987 long tons in 1900. Tennessee's production 

 increased from 430,192 long tons to 454,491 long tons. No production was reported 

 from North Carolina in 1900, and the output in Pennsylvania decreased from 2,000 

 tons in 1899 to 900 tons in 1900. Two States, Alabama and Arkansas, each reported 

 a small production of phosphate rock in 1900, the former having an output of 344 

 tons and the latter an output of 75 tons. These amounts are insignificant, and of 

 interest only as indicating a possibility of further developments." 



Gypsum, E. W. J^arker {Mineral Resources of the United States. Dejd. Interior, U. S. 

 Geol. Surrey, 1900, jip. 827-833). — The production of gypsum has increased steadily 

 since 1896. In 1900 it amounted to 594,462 short tons, valued at $1,627,203, as 

 against 486,235 tons worth $1,287,080 in 1899. 



Tlie use of commercial fertilizers, P. Wagner {Amvendunfj l:'nnstlicher D'unge- 

 mittel. Berlin: Paul Pareij, 1901, 2 ed., pp. 172). 



Analyses of commercial fertilizers, J. Hamilton and W. Frear {Pennsylvania 

 Dept. Ayr. Bui. 83, pp. 132). — A report on fertilizer inspection in the State, including 

 analyses of samples collected from January 1 to August 1, 1901. 



Phosphates and fertilizers, P>. Willis {Neirs and Courier [Charleston'], 1901, 

 Sept. 30, p>. 5). — Statistics of the p'/oduction, domestic consumption, and export of 

 phosphates and fertilizers for the United States during the year ended August 31, 

 1901. 



FIELD CROPS. 



Results obtained in 1901 from trial plats of grain, fodder corn, field roots, 

 and potatoes, W. Saunders {Canada Cent. Expt. Farm Bui. 39, pj>. 56). — Cooper- 

 ative variety tests in continuation of those previously reported (E. S. R., 13, p. 34) 

 are recorded. The method of conducting the tests has been uniform throughout the 

 seven years the work has now been in progress. The yields of each crop at the 

 various experimental farms are tabulated. The varieties i>roducing the largest crops 

 in 1901, taking the average results obtained on all the experimental farms, were as 

 follows: 



Oats. — Lincoln, Abundance, Improved American, Wide Awake, American Triumph, 

 Danish Island, American Beauty, Banner, Holstein Prolific, Mennonite, Early Maine, 

 and Golden Beauty. Average yield per acre, 82 bu. 3 lbs. Two-roiced barley. — Stand- 

 well, French Chevalier, Nepean, Beaver, Canadian Thorpe, and Logan. Average 

 yield per acre, 45 bu. 12 lbs. Six-rowed barley. — Manshury, Odessa, Claude, Mansfield, 

 Excelsior, and Royal. Average yield per acre, 50 bu. 30 lbs. Spring wheal. — Rou- 

 manian, Huron, Goose, Stanley, Hastings, Preston, Hungarian, Clyde, Australian 

 No. 13, Speltz, Countess, and Red Fife. Average yield per acre, 39 bu. 20 lbs. 

 Peas. — Gregory, Pride, Paragon, New Potter, Arthur, Nelson, Agnes, Crown, Early 

 Britain, King, Picton, and Victoria. Average yield per acre, 43 bu. 36 lbs. Indian 

 corn. — Early Mastodon, Rural, Thoro'bred, White Flint, Selected Leaming, Salzer 

 All Gold, Pride of the North, and Cloud Early Yellow. Average yield per acre, 

 20 tons 330 lbs. Turnips.— Hartley Bronze, Hall Westbury, Imperial Swede, Carter 



