To Nitrogen Ratios In Cropping Systems

Rendements et pratiques des cultures maraîchères ... - Cirad

showed organic/conventional farming yield ratios of 74 and 40% respectively. These values confirm the general trend of literature. They are explained by a lower nitrogen fertilization and lack of effective measures to protect crops against diseases and pests. The onion yields of organic farmers’ fields are very

  Nitrogen, Ratios