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Gehan G. Mostafa and A.A. Abo-Baker, 2010. Effect of Bio- and Chemical Fertilization on Growth of Sunflower (Helianthus annuus L.) at South Valley Area. Asian Journal of Crop Science, 2: 137-146.
DOI: 10.3923/ajcs.2010.137.146
URL: https://scialert.net/abstract/?doi=ajcs.2010.137.146
DOI: 10.3923/ajcs.2010.137.146
URL: https://scialert.net/abstract/?doi=ajcs.2010.137.146
gehan gaber mostafa aly Reply
this an excellant papper to decrease the chemical fertilization and the environment mor safety