Lihat Juga

• The Potash Situation
  oleh: Stockett, A. W.
  Terbitan: (1918)
• Banana Stalks as a Source of Potash
  oleh: Billings, H. E., et al.
  Terbitan: (1917)
• Feldspar as a source of potash alum
  oleh: Spiller, John
  Terbitan: (1882)
• Some Sources of Error in Our Methods of Determining Potash in Fertilizers and German Potash Salts. 1
  oleh: Robinson, N.
  Terbitan: (1894)
• Estimation of the Lime, Potash, and Phosphoric Acid in Hawaiian Soils Probably Available for the Immediate Crop
  oleh: Maxwell, Walter
  Terbitan: (1899)