Conserving soil resources : European perspectives :

समान संसाधन

• Soil map of Europe 1:2,500,000 explanatory text /
  द्वारा: Dudal, R.
  प्रकाशित: (1966)
• Environmental management in agriculture: European perspectives : proceedings of a workshop held from 14-to 17 July 1987 at Bristol, United Kingdom, under the aegis of the CEC Land and Water Use and Management Committee /
  प्रकाशित: (1988)
• Soil conservation /
  द्वारा: Hudson, Norman
  प्रकाशित: (1981)
• Soil conservation /
  द्वारा: Hudson, Norman
  प्रकाशित: (1971)
• Soil conservation /
  द्वारा: Hudson, Norman
  प्रकाशित: (1986)