Soil fertility and crop productivity under long -term fertilizer use in India

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• SOIL FERTILITY AND CROP PRODUCTIVITY UNDER LONG-TERM FERTILIZER USE IN INDIA
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• Soil fertility and crop productivity under long-term fertilizer use in India
  著者:: Nambiar, K K M
  出版事項: (1994)
• Soil fertility and crop productivity under long-term fertilizer use in India
  著者:: Nambiar, K K M
  出版事項: (2002)
• Soil fertility and crop productivity under long term fertilizer use in India
  著者:: Nambiar, K K M
  出版事項: (1994)