Fertiliser control order , 1985 and the essential commidities act ,1955

समान संसाधन

• Fertilisers and soil fertility
  द्वारा: Jones, U S
  प्रकाशित: (1979)
• Control of soil fertility
  द्वारा: Cooke, G E
  प्रकाशित: (1967)
• Handbook of Soil Conditioners : Substances that enhance the physical properties of soil
  प्रकाशित: (1998)
• Fertilizers, Crop quality and Economy
  द्वारा: Fernadez, V.H
  प्रकाशित: (1972)
• Fertilizers Crop quality and economy
  द्वारा: Fernaudez, V.H
  प्रकाशित: (1972)