Summer ming for sustaining rice -wheat cropping system

類似資料

• Wheat
  出版事項: (1974)
• Developing an action program for farm -level impact in rice -wheat systems of the Indo - Gangetic plains
  出版事項: (2002)
• Rice in Asia
  出版事項: (1975)
• Basmati rice : heritage of India
• Tropical crops monocotyledons
  著者:: Purseglove, J W
  出版事項: (1975)