Use of chemical fertilizers for taro in the lowlands : an on-farm investigation /

Lignende værker

• The use of chemical and organic fertilizers in crop production in Thailand /
  af: Jiraporncharoen, Suchart
  Udgivet: (1993)
• Combined use of organic and chemical fertilizers.
  Udgivet: (1993)
• Fertilizers and manures /
  af: Simpson, Ken
  Udgivet: (1986)
• The effect of green manure -chemical fertilizer combinations on soil fertility and yield of corn /
  Udgivet: (1987)
• Rice fertilization A six-year isotope study on nitrogen and phosphorus fertilizer utilization
  Udgivet: (1970)