17 



tion. The land had been in cotton for the three preceding j^ears, and 

 its productiveness was considered to be one-third of a bale per acre. 

 The accompanying- plan illustrates the arrangement and treatment of 

 the eight 5-acre plats of this experimental farm, together with the yield. 



Experimental cotton plats of Depai-tment of Agriculture at Wills Point, Tex., 1904- 



Plat I. 



Five acres. 



Planted March 30, King seed. 



Fertilized, C. B. G.«, 400 pounds 



per acre. 



Cultivated 8 times. 



Hoed 4 times. 



Yield, pounds seed cotton per acre, 

 986.6. 



Plat II. Five acres. 



Planted March 30, King seed. 



Fertilized, R. A. P. &, 300 pounds 



per acre. 



Cultivated 8 times. 



Hoed 4 times. 



Yield, pounds seed cotton per acre, 

 995.6. 



Plat III. Five acres. 



Planted JMarch 30, King seed. 



Unfertilized. 



• Cultivated 8 times. 



Hoed 4 times. 



Yield, pounds seed cotton per acre, 

 736.4. 



Plat IV. 



Five acres. 



Planted March 30, King seed. 



FertiUzed, A. P. & P. M. <", 400 pounds 



per acre. 



Cultivated 8 times. 



Hoed 4 times. 



Yield, pounds seed cotton jier acre, 

 974. 



Plat V. Five acres. 



Planted April 1, King seed. 



Unfertilized. 



Cultivated 8 times. 



Hoed 4 times. 



Yield, pounds seed cotton per acre, 

 765. 



Plat YI. 



Five acres. 



Planted April 1, King seed. 



Fertilized, R. A. P. 6, 300 pounds per 

 acre, plus dressing of nitrate of soda, 

 100 pounds per acre, when plants 

 had 4 to 6 leaves. 



Cultivated 8 times. 

 Hoed 4 times. 



Yield, pounds seed cotton per acre, 

 852.4. 



Plat VII. 



Five acres. 



Planted April 1, King seed. 



Fertilized, A. P. & P. M. c, 300 pounds 



per acre. 



Cultivated 8 times. 



Hoed 4 times. 



Yield, pounds .seed cotton per acre, 

 831.4. 



Plat VIII. Five acres. 



Planted May 2, Rowden seed. 



Unfertilized. 



Cultivated 4 times. 



Hoed 2 times. 



Yield, pounds seed cotton per acre, 

 675.4. 



aC. B. G. — A commercial cotton boll guano; analysis— available phosphoric acirl, 8 per cent; potash, 

 2 per cent; nitrogen, 2 per cent. 



'>R. A. P. — A commercial acid phosphate; analysis— available phosphoric ncifl, 14 per cent. 



f A. P. (fc P. M. — An acid phosphate and potash mixture; analysis— available phosphoric acid, 13.79 

 per cent; potash, 4.65 per cent. 



212 



17221— No. 212—05 2 



