Assessment of methods for measuring available nutrients in Papua New Guinea soils II : microelements, manganese, iron, copper and zinc /

समान संसाधन

• Assessment of methods for measuring available nitrogen, potassium, calcium, manganesium, zinc, copper, manganese and iron in soils or [sic] Papua [sic] New Guinea /
  द्वारा: Macfarlane, Mary
  प्रकाशित: (1987)
• Trace elements in soils and crops : proceedings of a conference...
  प्रकाशित: (1971)
• Trace elements in soils and plants /
  द्वारा: Kabata-Pendias, Alina
  प्रकाशित: (1991)
• Trace elements in soils
  द्वारा: Aubert, Huguette
  प्रकाशित: (1977)
• Some studies on determination of available phosphorus in Papua New Guinea soils /
  द्वारा: Velayutham, K.S
  प्रकाशित: (1981)