Crone's solution

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Crone's solution

1. A growing medium made of 4 parts (by weight) potassium chloride, 1 part calcium sulphate, 1 part magnesium sulphate, 1 part magnesium phosphate, and 1 part iron phosphate.
   • 1936, Canadian Institute, Transactions, volumes 21-22, page 88:

     The one type was a modified Crone's solution, and the other an agar medium similar to that used by Tsi-Tung Li.

   • 2002, Edwin Broun Fred, Ira Lawrence Baldwin, Elizabeth McCoy, Root Nodule Bacteria and Leguminous Plants, page 267:

     All cultures should be kept in a green house […] and watered with sterile water or Crone's solution at appropriate intervals.

   • 2021, William Shurtleff, Akiko Aoyagi, History of Soybean Physiology and Botany Research, page 391:

     Satisfactory growth and fixation of nitrogen were obtained with nodulated plants in Crone's solution containing the full complement or a proportion of the insoluble constituents, but not in a medium comprising the soluble portion only.