Agronomic performance and chemical response of sunflower (Helianthus annuus L.) to some organic nitrogen sources and conventional nitrogen fertilizers under sandy soil conditions

Mohamed Fawzy Ramadan, Ayman M. Helmy
  • Grasas y Aceites, December 2008, Departmento de Publicaciones del CSIC
  • DOI: 10.3989/gya.032508

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http://dx.doi.org/10.3989/gya.032508

The following have contributed to this page: Professor Mohamed Fawzy Ramadan Hassanien