Research bulletin on impact of long term fertilizer application on crop productivity, grain and soil quality under rice-wheat system on mollisols in Northern India

Antzeko izenburuak

• Grain of wheat /
  nork: Ngugi, James
  Argitaratua: (1968)
• Grain of wheat /
  nork: Thiongo, Ngugi wa .
  Argitaratua: (1967)
• Impact of long term fertilizer application on soil quality, crop productivity and grain quality of maize and wheat grown on loamy soils of southern rajasthan : Reserch Bulletin 2012
  Argitaratua: (2012)
• A grain of wheat.
  nork: Ngũgĩ wa Thiongʼo
  Argitaratua: (1967)
• Soil fertility and crop productivity under long -term fertilizer use in India
  nork: Nambiar,K K M