Soil fertility and fertilizer use .V .2

समान संसाधन

• Phosphorous in soil, crops and fertilizers
  प्रकाशित: (1979)
• Soil and fertilizers phosphorous : in crop nutrition V.4
  द्वारा: Norman, A.G
  प्रकाशित: (1953)
• Nitrogen Fertilization in the Environment
  द्वारा: Bacon, Peter Edward
  प्रकाशित: (1995)
• Nitrogen fertilizers
  द्वारा: Korenkov, D A
  प्रकाशित: (1983)
• PHOSPHORIC ACID PHOSPHATES AND PHOSPHATIC FERTILIZERS
  द्वारा: WAGGAMAN H
  प्रकाशित: (1952)