Commercial fertilizers : their sources and use

समान संसाधन

• Soil nitrogen fertilizer or pollutant : proceedings
  प्रकाशित: (1980)
• Efficient fertilizer use in summer rainfed areas
  द्वारा: De , Rajat
  प्रकाशित: (1988)
• Nitrogen in Soils, Crops and fertilizers
  प्रकाशित: (1984)
• Commercial fertilizers in India : some recommendations for efficient use
  द्वारा: Jakate, P.N
  प्रकाशित: (1962)
• Fertilizers and soil fertility
  द्वारा: Jones, Ulysses S.
  प्रकाशित: (1987)