649

3

11 water; the chemical composition of manures, natural or artificial,
12 with experiments designed to test their comparative
13 effects on crops of different kinds; the adaptation and value
14 of grasses and forage plants; the composition and digestibility
15 of the different kinds of food for domestic animals; the
16 scientific and economic questions involved in the production of
17 butter and cheese; and such other researches or experiments
18 bearing directly on the agricultural industry of the United
19 States as may in each case be deemed advisable, having due
20 regard to the varying conditions and needs of the respective
21 States or Territories.

1 [Sec. 3. That the said experiment stations shall be under]
2 [the direction and control of the trustees or other governing]
3 [body of such colleges, who shall have power to appoint a]
4 [director and such assistants as may in each case be necessary.]

1 Sec. 4 3. That in order to secure, as far as practicable,
2 uniformity of methods and results in the work of said stations,
3 it shall be the duty of the United States Commissioner of Agriculture
4 [to determine anually a standard of valuation of the]
5 [ingredients of commercial fertilizers, upon which the analysis]
6 [of such fertilizers, as fas as made by said stations, shall be]
7 [based;] to furnish forms, as far as practicable, for the tabulation
8 of results of investigation for experiments; to indicate, from
9 time to time, such lines of inquiry as to him shall seem most
10 important; and, in general, to furnich such advice and assist-