4.-Comparison of different forms of phosphate cn roses:

I. without fertilizer (control plant).

6, medium amount of dissolved bone black.

25, medium amount of rock phosphate.

45, medium amount of raw bonemea!.

89, medium amount of superphosphate.

B.-Comparison of different amounts of raw bonemea::
42, without fertilizer (control plant).

43, minimum amount of raw bonemeal.
45, medium amount of raw bonemeal.
48, maximum amount of raw bonemeal.

A.-Comparison of nitrogen and potash with raw bonemeal on roses

42, without fertilizer (control plant).

45, medium amount of raw bonemea!.

73, medium amounts of raw bonemeal and nitrate of soda.

77, medium amounts of raw bonemeal and muriate of potash. 81, medium amounts of raw bonemeal, nitrate of soda and muriate of potash.

B.-Comparison of clay and black loam soils:

136, without fertilizer (control plant).

109, medium amounts of dissolved bone black and muriate of potash.

61, without fertilizer (control plant).

128, medium amounts of dissolved bone black and muriate of

potash.

Purdue Univ. Agric. Exp. Station.

Plate III.

84, maximum amounts of raw bonemeal, nitrate of soda and muriate of potash.