BULLETIN OF THE BUSSEY INSTITUTION. 119 
Section E. — Bartry. — 1873. 
Weights of crops. 
Nos. of 
the Kinds and weights of fertilizers. 
squares. . Grain. abies, Br 
Neither crop nor manure 
910 grms. sulphate of ammonia 
all 463 2 ‘© potash . ] 0.765 3.735 4.500 
714 “ Bay State superphosphate 
895 “ sulphate of ammonia 
3 | 463 “ “ . @ potash . 0.695 3.055 38.750 
714 “ Coe’s superphosphate . ‘ 
910 “ sulphate of ammonia 
4 1 463 <“ - “ potash } 0.407 3.593 4.000 
833 ‘“ Wilson’s superphosphate 
890 “ sulphate of ammonia . 
5 : 463“ “ potash . ‘} 0.530 3.220 3.750 
400 “ Breck’s fine bone- meal 
910 “ sulphate of ammonia . 
6 { 476 “ chloride ofpotassium (83 7%) 0.639 2.861 3.500 
714 “ Bay State ie Dooce 
EE 4 . » . No manure. 0.392 1.858 2.250 
910 “ sulphate of ammonia 
7 { 368 “ pearl-ash . 0.600 3.150 3.750 
714 “ Bay State superphosphate 
607 “ nitrate ofsoda . 
8 { 476 “ chloride of potassium ( (83 8%) 0.472 3.028 3.500 
1530 “ fish-scrap 
1400 ‘“ Peruvian guano. . p 
: } 400 ‘“ sulphate of potash 2 inte re 5 
XY. 13650 “ ground oyster-shells 0.559 2.191 2.750 
x 13650 ‘“ oyster-shell lime . 0.687 3.063 3.750 
Section EE. — Barter. — 1873. 
Nos. of : Weights of crops. 
Kinds and weights of fertilizers. 
squares. abe Grain, |Strawand| Total 
1164 grms. nitrate ofsoda . . 
1 | 463 sulphate of potash . a 0.945 4.055 5.000 
714 * Bay State superphosphate 
11389 “ nitrate ofsoda . . 
2 { 463 <“ sulphate of potash . ‘} 1.381 5.119 6.500 
a ©=«=—Coe’s superphosphate . 
1109 “ nitrate of soda 4) a 
3 | 463 ‘ sulphate of potash . 1.516 5.484 7.000 
450 “ Breck’s coarse bone-meal. 8 
4 a i . No manure 0.392 1.858 2.250 
1133 “ nitrate of soda- 
5 { 463 “ sulphate of potash . ae 1.387 4.863 6.250 
400 “ fine bone-meal . 
