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Original Articles

Critical Periods for Weed Control in Cassava in Nigeria

Pages 54-57 | Published online: 06 Jul 2009

References

  • FAO . 1965 . The economic relationships between grains and rice Commodity Bulletin Series No. 39. Rome
  • FAO . 1970 . Production Year Book, 1970 , 24 Rome : FAO .
  • Gülisten , R. 1968 . Studies in the staple food economy of western Nigeria , 311 London : Weltforum Verlag Munich, Hurst and Co. .
  • Johnson , G. L. 1969 . Strategies and recommendations for Nigerian Rural Development , East Lansing : Michigan State University .
  • Kasasian , L. and Seeyave , J. 1969 . Critical periods for weed competition . PANS , 15 : 208 – 212 .
  • Steele , R. G. D. and Torrie , J. H. 1960 . Principles and procedures of statistics , New York : Mc-Graw-Hill Book Company Inc. .

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