Nutrient balances and the need for fertilizers in semi-arid and arid regions : proceedings of the 17th Colloquium of the International Potash Institute held in Rabat and Marrakech, Morocco.

समान संसाधन

• Soils of arid regions
  द्वारा: Dregne, H. E. (Harold E.)
  प्रकाशित: (1976)
• Fertilizer use in semi-arid tropical India/
  द्वारा: Jha, D. (Dayanatha)
  प्रकाशित: (1984)
• Phosphorus nutrition of grain legumes in semi-arid tropics /
  प्रकाशित: (1991)
• Irrigated forestry in arid and semi-arid lands : a synthesis /
  द्वारा: Armitage, F. B.
  प्रकाशित: (1985)
• Agriculture in semi-arid environments
  प्रकाशित: (1979)