T I
.   ts ’
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P   p 30 Titirty-nirztlt Atmual Report
  = A method of growing corn seedlings (Z ca mags) free from
,   J seed—borne organisms. VV. D. Valleau and E. M. John-
, . A E , son. Journ. Agr. Research, Vol. 32, No. 12, pp. 1195-
l ?   1198. 1926.
_ t The relation of nitrates to tobacco frenching. W. D. Val-
· it leau and E. M. Johnson. Science, Vol. 64, No. 1655,
  §   pp. 278-279. 1926.
,   Manganese and plant growth. J. S. McHargue, Indus.
.     and Engineering Chemistry, Vol. 18, N0. 2, p. 172.
‘ _   Q February, 1926. .
i I -‘ i   Calcium and phosphorus content of strong and weak chicks
I     from hens with and without calcium carbonate iu
{ g l _     their diet. G. Davis Buckner, J. Holmes Martin and
i     A. M. Peter. The Am. Journ. of Physiology, Vol. 76,
p » I   No. 1, pp. 28-34 March, 1926.
In _   Concerning the growth of chickens raised without grit. G.
2 Y     Davis Buckner, J. Holmes Martin and A. M. Peter.
 P.   Poultry Science, Vol. V, No. 5, pp. 203-208. June-
I '   July, 1926.
 _   ,,— Further evidence that small quantities of copper, man-
, 5 t.-`   ganese and zinc are factors in the metabolism of ani-
, ‘     · mals. J. S. McHargue, The Am. Journ. of Physiology,
  i ° Vol. LXXVII, No. 2, pp. 245-255. July, 1926.
it __·`     I The exudates from nutrient agar slants—the so-called
Q , .1 `‘=_`·.   ~  " water of condensation. Daniel J. Healy. Journ. of
    ‘.·.   { Bacteriology, Vol. XII, No. 3, pp. 179-180. Septem-
~   .·_·   bel~,192e.
 {  ‘;*tj¥ii f. The influence of sulfur and gypsum on the solubility of
  ._ ·‘;   I potassium in soils and on the quantity of this element
‘     removed by certain plants. O. M. Shedd. Soil
,,.,__,;,¥   Science, Vol. XXII, No. 5, pp. 335-354. November, ,
  —   1926-
  A—  The following have not yet been published, but have been
    ‘_·,   accepted or are in an advanced state of preparation:
  Mineral constituents of the cotton plant. J. S. MeHarguc.
  Read at the Convention of the Am. Chem. Soc., Tulsa,
, ~;,»_§j     .
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