Soil nitrogen as fertilizer or pollutant proceedings and report of a research coordination meeting

समान संसाधन

• Soil and fertilizer nitrogen : review study with particular reference to plant nutrition and environmental protection /
  द्वारा: Winteringham, F. P. W.
  प्रकाशित: (1984)
• Application of nitrogen-fixing systems in soil improvement and management
  द्वारा: Hamdi, Y.A
  प्रकाशित: (1982)
• Nitrogen in agricultural soils /
  प्रकाशित: (1982)
• Nitrogen and rice.
  प्रकाशित: (1979)
• The role of nitrogen in grassland productivity : a review of information from temperate regions /
  द्वारा: Whitehead, D. C.
  प्रकाशित: (1970)