Incidence of diseases in relation to soil pH and soil texture.

Ижил төстэй зүйлс

• pH measurements : their theory and practice
  -н: Gold Victor
  Хэвлэсэн: (1956)
• Hydrochemistry in low-pH-soils of South Norway
  -н: Braekke, Finn H.
  Хэвлэсэн: (1981)
• Electrometric pH determination : theory and practice
  -н: Bates, Roger G.
  Хэвлэсэн: (1954)
• Soil pH, inoculation vis-a-vis nodulation, Nitrogen fixation and assimilation in relation to growth in Albizia lebbeck, Benth
  -н: Chauhan, Yogendera Singh
• Distribution of tree species in the sudan in relation to rainfall and soil texture
  -н: Smith, John
  Хэвлэсэн: (1944)