Three decades of soil research 1972-2006: department of soil science and agricultural chemistry

समान संसाधन

• Three Decades of Soil Research
  द्वारा: Marykutty, K C
  प्रकाशित: (2006)
• Three decades of soil research (1972-2006)
  द्वारा: Marykutty, K C
  प्रकाशित: (2006)
• Chemistry of the soil
  द्वारा: Bear, Firman E
  प्रकाशित: (1964)
• Soils and agriculture
  द्वारा: Tinker, P.B
  प्रकाशित: (1980)
• SOIL SURVEY MANUAL
  द्वारा: US DEPARTMENT, OF AGRICULTURE
  प्रकाशित: (1966)