Effecient use of nitrogen in crop production /

समान संसाधन

• Nitrogen in crop production proceedings of a symposium held 25-27 May 1982 at Sheffield, Alabama
  प्रकाशित: (1984)
• Fertilizer nitrogen : its chemistry and technology /
  द्वारा: Sauchelli, Vincent
  प्रकाशित: (1964)
• Process technologies for nitrogen fertilizers /
  प्रकाशित: (1978)
• The role of nitrogen in grassland productivity : a review of information from temperate regions /
  द्वारा: Whitehead, D. C.
  प्रकाशित: (1970)
• Soil and fertilizer nitrogen : review study with particular reference to plant nutrition and environmental protection /
  द्वारा: Winteringham, F. P. W.
  प्रकाशित: (1984)